Founding Engineer at Thera | New York

TheraNew York

On-site Full-time

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.

Experience Level

Mid to Senior

Qualifications

The ideal candidate will possess:A proven track record of 3–7+ years in software engineering with a focus on production systems. A strong ability to navigate ambiguity and deliver results quickly. Experience in leading projects from concept through implementation. An inclination towards action-oriented solutions and maintaining high-quality standards. Familiarity with Typescript and Java or Kotlin is highly desirable.

About the job

About Thera
Thera is revolutionizing the financial landscape for modern small and medium-sized businesses (SMBs) by creating an integrated financial operating system that encompasses payroll, payments, treasury management, spending, accounting, and documentation , all within a single ecosystem. Our vision is supported by leading investors, including Y Combinator, 10X Founders, Zillionize, Amino Capital, and others.

As a Founding Engineer, you will play a pivotal role in designing, developing, and scaling the foundational systems that facilitate global payroll and financial transactions. You will collaborate closely with the CEO, rapidly deliver solutions, take ownership of significant product features, and influence the engineering culture from the outset.

What You Will Create

Innovative products spanning our comprehensive ecosystem, including Spend, Docs, Cash, and Accounting modules.

About You

3–7+ years of experience in building and deploying production systems.
You excel in uncertain environments, work swiftly, and have a strong commitment to your craft.
Proficient in managing the complete lifecycle of 0→1 features.
You have a proactive approach, favor straightforward solutions, and uphold high standards.
Experience with Typescript, Java, or Kotlin is preferred.

Why Choose Thera?
This is a genuine founding opportunity: substantial ownership, significant equity, direct influence on product development and company culture, and the chance to establish one of the most impactful fintech platforms of the next decade.

Discover more about our cultural principles here: https://www.getthera.com/principles

About Thera

Thera is at the forefront of fintech innovation, developing a comprehensive financial operating system designed specifically for modern SMBs. Our platform seamlessly integrates various financial functions, empowering businesses to manage their finances more effectively. Backed by prestigious investors, Thera is positioned to make a significant impact in the financial technology sector.

Similar jobs

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, location & role pages.

1 - 20 of 15,284 Jobs

Search for Founding Analytics Engineer At Ambrook New York

15,284 results

Select all on this page (20)

Apply

Founding Analytics Engineer at Ambrook | New York

Ambrook

Full-time|On-site|New York

About Ambrook Ambrook supports American family-run businesses by building financial tools that help them thrive in changing markets. Our platform modernizes accounting, banking, and expense management so independent operators can access clear financial data and secure the capital they need. Backed by Thrive Capital, Dylan Field, and Homebrew, Ambrook is a Se…

Apr 16, 2026

Apply

Software Engineer at Ambrook | New York

Ambrook

Full-time|On-site|New York

Join Ambrook in our mission to empower family-owned businesses across America to achieve greater profitability and resilience.As we face unprecedented challenges such as severe droughts, surging costs, and volatile markets, we believe that the best investments—like sustainable irrigation and effective grazing strategies—benefit both the environment and the economy. However, these essential changes often require upfront capital and the financial insights that are hard to obtain.Business owners frequently juggle disorganized records and outdated tools, making it difficult to evaluate their operations or demonstrate their potential to lenders, partners, or future generations.At Ambrook, we're revolutionizing the financial infrastructure that independent operators depend on.Our innovative platform replaces cumbersome paperwork and antiquated systems with modern solutions for accounting, banking, invoicing, and spending—designed specifically for those who spend more time in the field than at a desk. We provide producers with the financial clarity necessary for making informed investments in their land, business, and future.Our customers form the backbone of the real economy, managing land, labor, and legacy. By enabling them to build stronger, more sustainable businesses, we're fostering generational resilience throughout America.Initially focused on farmers and ranchers, we are now rapidly expanding into various other sectors within American industry.As a Series A startup, we are backed by leading investors, including Thrive Capital, Dylan Field, Homebrew, Designer Fund, and BoxGroup. We seek passionate early team members who are excited to explore the intricate relationship between American industries, climate change, and economic growth.Your RoleAs one of our pioneering engineers at Ambrook, you will have a significant impact on our technical strategy and product development, aiming to enhance the sustainability and profitability of agriculture.Key ResponsibilitiesDeliver elegant, high-performing product experiences and robust infrastructure.Share best practices in engineering architecture, project management, and cross-functional teamwork.Gain a deep understanding of building an agrifinance and climate tech startup, including agricultural bookkeeping and the broader farm finance ecosystem.

Feb 21, 2026

Apply

Founding Engineer at Thera | New York

Thera

Full-time|On-site|New York

About TheraThera is revolutionizing the financial landscape for modern small and medium-sized businesses (SMBs) by creating an integrated financial operating system that encompasses payroll, payments, treasury management, spending, accounting, and documentation — all within a single ecosystem. Our vision is supported by leading investors, including Y Combinator, 10X Founders, Zillionize, Amino Capital, and others.As a Founding Engineer, you will play a pivotal role in designing, developing, and scaling the foundational systems that facilitate global payroll and financial transactions. You will collaborate closely with the CEO, rapidly deliver solutions, take ownership of significant product features, and influence the engineering culture from the outset.What You Will CreateInnovative products spanning our comprehensive ecosystem, including Spend, Docs, Cash, and Accounting modules.About You3–7+ years of experience in building and deploying production systems.You excel in uncertain environments, work swiftly, and have a strong commitment to your craft.Proficient in managing the complete lifecycle of 0→1 features.You have a proactive approach, favor straightforward solutions, and uphold high standards.Experience with Typescript, Java, or Kotlin is preferred.Why Choose Thera?This is a genuine founding opportunity: substantial ownership, significant equity, direct influence on product development and company culture, and the chance to establish one of the most impactful fintech platforms of the next decade.Discover more about our cultural principles here: https://www.getthera.com/principles

Nov 17, 2025

Apply

Founding Engineer at clera | New York

clera

Full-time|On-site|New York

Join clera as a Founding Engineer and be a pivotal part of our innovative team. As we embark on our journey with a $3 million pre-seed funding, we are looking for talented engineers who are eager to shape the future of our company. This role offers a unique opportunity to work collaboratively with our founding team to develop cutting-edge solutions and drive our technology forward.

Mar 23, 2026

Apply

Software Engineer, Growth

Ambrook

Full-time|On-site|New York

Join Ambrook in transforming the financial landscape for family-run businesses across America.As operators in American agriculture and industry grapple with escalating challenges from extreme weather, soaring input costs, and volatile markets, the need for sustainable investment solutions has never been more critical. Our mission is to empower these businesses by providing them with the necessary financial tools to thrive.Ambrook is dedicated to rebuilding the financial infrastructure that independent operators depend on. We eliminate bureaucratic paperwork and outdated systems, offering modern solutions for accounting, banking, invoicing, and spending. Our platform is designed for those who spend more time outdoors than in the office, delivering the insights they need to make informed investments in their operations and futures.Our clients are the backbone of the real economy, and we are committed to helping them build resilient businesses that can withstand the test of time. Having initially focused on farmers and ranchers, we are now rapidly expanding to encompass other sectors of American industry.As a Series A startup supported by prominent investors such as Thrive Capital, Dylan Field, Homebrew, Designer Fund, and BoxGroup, we are on the lookout for passionate individuals to join our team in navigating the complex interplay of industry, climate, and economy.Your RoleWe are establishing a growth engineering function aimed at accelerating Ambrook's revenue through innovative product experiments and go-to-market (GTM) strategies. In this role, you will spearhead initiatives to drive measurable growth across acquisition, activation, and retention metrics by conducting experiments, developing instrumentation, and enhancing our commercial team's efficacy.This role is defined by a data-driven approach to growth engineering. You will learn through action, sharing successful outcomes, and quickly moving on to the next experiment. As a member of our newly formed growth engineering team, you will help shape our experiment cadence while collaborating across marketing, sales, and operations to uncover and leverage growth opportunities.

Jan 23, 2026

Apply

Founding Engineer at mlabs | New York

mlabs

Full-time|$150K/yr - $350K/yr|On-site|New York, New York, United States

Founding EngineerLocation: New York, NYOn-site | Full-timeCompensation: $150K - $350KJoin a dynamic, venture-backed startup on a revolutionary journey to redefine technical interviewing and reshape the expansive $600 billion staffing sector. Our client is pioneering innovative methods that transcend traditional coding challenges, enabling organizations to better identify talent, prevent fraud, and showcase elite candidates to Fortune 500 companies.At this pivotal moment of growth, having achieved product-market fit and now scaling rapidly, the company has secured a $3.1 million seed round from distinguished investors, including GSV Ventures, BoxGroup, and notable angel investors from OpenAI, SpaceX, and Retool. With revenue exceeding seven figures, their clientele includes top enterprise staffing firms, including the world’s largest staffing company.We are looking for a Founding Engineer to become part of a highly skilled team of seven, comprised of talent from prestigious institutions and renowned companies like Stanford, Penn, Waterloo, Retool, and MongoDB. This role is ideal for an innovative builder eager to take ownership of critical systems and set technical standards for an entire industry.Key Responsibilities:Innovation in Evaluation: Develop and establish new benchmarks for technical interviewing, creating systems that replace outdated evaluation techniques and deliver high-fidelity talent assessments.AI Implementation: Leverage AI and machine learning to detect fraudulent activities, identify intricate patterns in candidate performance, and expedite the hiring process.System Architecture: Architect, develop, and maintain essential full-stack systems from scratch, ensuring optimal performance and scalability.End-to-End Ownership: Oversee features and systems throughout their entire lifecycle—from initial concept and architectural design to deployment and monitoring.Strategic Input: As one of the first engineering hires, contribute significantly to shaping the technical roadmap and making critical architectural decisions.Requirements:Technical Proficiency: Minimum of 4 years of experience in modern full-stack development with advanced skills in React, Node.js, and Python (or similar frameworks).Infrastructure Knowledge: Experience managing cloud-native infrastructure within AWS, GCP, or Azure.Startup Mindset: Proven ability to excel in a fast-paced, high-performance startup environment where ambiguity is prevalent.Coding Fundamentals: Highly technical with a deep understanding of coding principles.

Feb 17, 2026

Apply

Engineering Manager

Ambrook

Full-time|On-site|New York

Join Ambrook as an Engineering Manager and lead a talented team of engineers in delivering innovative solutions that transform the financial landscape for farmers and food producers. In this role, you will oversee the design, development, and implementation of our technology systems, ensuring alignment with our strategic goals and vision.Your leadership will be crucial in fostering a collaborative environment where creativity and problem-solving thrive. You will also mentor and develop team members, driving their growth and enhancing team performance.

Feb 27, 2026

Apply

Founding Engineer at Ambral | New York

Ambral

Full-time|On-site|New York

About UsAt Ambral, we are pioneering the development of digital models that accurately predict individual and team behaviors. Our innovative 'digital twins' synthesize multiple signals—ranging from product telemetry and customer interactions to operational data—into a unified understanding of each customer. Our intelligent agents enhance this context by recommending optimal actions and executing workflows, ensuring teams can provide an exceptional customer experience.Having graduated from Y Combinator in Summer 2025 and secured significant funding, we are already implementing our solutions in multi-billion dollar enterprises. We are on a trajectory for rapid growth and are looking for talented individuals to join our mission.Your RoleAs a Founding Engineer, you will take a lead role in developing our core platform responsible for data ingestion and the creation of 'digital twins', along with the agentic systems that operate on this data (e.g., Voice, SMS, and Email agents). You will collaborate closely with our CTO across various aspects of the platform, which includes:Memory: Refining how we represent our customer models.Detection Framework: Identifying the right primitives for building detection agents.Agent Design: Transforming signals into reliable autonomous actions.Distributed Systems: Managing thousands of agents running simultaneously.Evals: Ensuring our agents continually improve their performance.Additionally, you will engage directly with our customers, overseeing projects from inception to completion.

Jan 20, 2026

Apply

Founding Engineer at Solva | New York City

Solva

Full-time|On-site|New York City

About SolvaSolva is pioneering the development of artificial intelligence solutions tailored for the insurance industry, transforming a colossal $8 trillion market, with a primary focus on claims management. Our operations are bolstered by a $6 million investment from prominent backers including First Round, Y Combinator, SV Angel, and notable angel investors like Paul Graham, who have previously supported industry giants such as OpenAI, Google, Stripe, Anthropic, Databricks, and GitHub. We are proud to have an advisory board composed of seasoned insurance executives and entrepreneurs.Our team has a proven track record, having played a crucial role in establishing Europe’s fastest-growing InsurTech and founding a licensed EU bank that handles payments exceeding €1 billion annually. We are on a mission to revolutionize one of the world’s largest sectors by reimagining it through the power of AI.Solva is recognized as a Y Combinator S25 company, rapidly emerging as one of the most dynamic and well-capitalized startups in the industry.About the RoleAs a Founding Engineer, you will collaborate with a team of seasoned entrepreneurs and former Apple engineers. You will set the standards for AI security and accountability, creating best practices where none currently exist. We value those willing to tackle challenging problems head-on and innovate in meaningful ways. Your contributions will be pivotal in shaping our core product and expanding our engineering team.Your responsibilities will vary, from delving deep into backend systems and cloud infrastructure to making architectural decisions that impact multi-billion dollar claims processes.This position offers true ownership. You will not only write code but also influence the technical direction, lead initiatives on new projects, and help cultivate a strong engineering culture from the ground up.What You Will DoDesign and implement production systems for our core offerings.Take charge of infrastructure and backend technologies (Go, Python, Postgres, GCP/AWS, Kubernetes, Terraform, CI/CD).Engage across the tech stack as necessary (React, Vite, TypeScript).Deliver quickly, iterate based on customer feedback, and transform complex issues into clean, scalable solutions.Help foster an exceptional engineering culture and play a significant role in shaping our long-term technical vision.What We Are Looking ForA standout candidate who has developed impressive projects in the AI domain.Extensive backend and infrastructure experience (cloud services, infrastructure as code, system scalability, observability).Proven ability to make technical decisions while balancing practical solutions and long-term design goals.A strong desire to innovate and contribute to the future of AI in the insurance sector.

Sep 11, 2025

Apply

Founding Backend Engineer at hellohera | New York

hellohera

Full-time|On-site|New York, New York

hellohera is focused on helping families navigate the complexities of healthcare, especially during difficult and emotional times. Many people have trusted advisors for legal, tax, or financial matters, but often face the healthcare system alone. The company aims to change this by making expert guidance more accessible. The core of hellohera’s approach is the Hero: a senior care expert who supports families throughout their healthcare journey. Heroes educate, coordinate care, and advocate for those in need, with the goal of ensuring that every family can access the right support. Trust shapes every aspect of the work at hellohera. The team is committed to providing care with the same attention and respect they would want for their own loved ones. This principle guides both customer interactions and product development decisions. Role overview The Founding Backend Engineer will help build and shape a platform designed for a diverse group of users, including social workers, nurses, aging parents, and their adult children. The software must be seamless and intuitive, supporting Heroes as they deliver expert-level care and share essential knowledge. What you will do Develop backend systems that power the hellohera platform Ensure the product is reliable and easy to use for all users Contribute to product decisions that prioritize trust and accessibility Requirements Experience building backend systems for complex platforms Commitment to creating technology that supports vulnerable populations Ability to collaborate with a mission-driven team in New York

Apr 24, 2026

Apply

Founding Engineer at Scend | New York City

Amari AI

Full-time|On-site|New York City

Founding Engineer - ScendWho We AreAt Scend, we are dedicated to revolutionizing the M&A landscape and enhancing efficiency within private markets. Backed by leading investors such as Pear VC, we have a strong team and early customers, positioning us for significant growth.Join our lean, high-impact team that thrives on creating stunning, functional products. Our diverse backgrounds span M&A, private equity, consumer fintech, and the vibrant Python open-source community, uniting us in our passion for excellence.Our Values (DEAL)Deliver: Every team member contributes by shipping code, designing features, or engaging directly with customers to transform ideas into tangible products.Empower: We believe in taking initiative beyond job titles. If you spot a challenge or an opportunity, you are encouraged to act.Align: Collaboration is key; we tackle challenges together with openness and humility.Learn: Our culture thrives on exploring new ideas, tools, and methodologies.The RoleAs a founding engineer, you'll collaborate closely with our founders to shape the product and architecture from inception. Your involvement as an early team member will greatly influence system design and our engineering culture. While prior experience is not mandatory, familiarity or interest in LLMs and Machine Learning will be highly valued.ResponsibilitiesDesign & Build: Create scalable, high-performance APIs to deliver financial data and develop them into product features.AI-Powered Systems: Utilize LLMs to generate datasets and research reports, applying evaluations and fine-tuning for accuracy.Data Processing: Handle large datasets using Airflow, Pandas, and Spark.Web Crawling: Build robust systems for crawling websites and documents from the internet.Infrastructure: Oversee infrastructure management with Terraform, Docker, AWS ECS, and monitoring solutions such as Sentry and CloudWatch.RequirementsA minimum of 2 years in developing scalable software systems.Proficient in Python and SQL.Preferred: Comfortable with data processing frameworks like Airflow, Pandas, and Spark.Preferred: Familiarity with infrastructure automation tools such as Terraform.

Mar 12, 2025

Apply

Software Engineer in Artificial Intelligence

Ambrook

Full-time|On-site|New York

Join Ambrook in our mission to enhance the profitability and resilience of family-owned businesses across America.As we navigate challenges such as extreme droughts, soaring costs, and volatile markets, operators in agriculture and various industries are in need of innovative solutions. Our focus on sustainable practices, such as optimized irrigation and effective grazing strategies, not only ensures better land stewardship but also enhances financial viability. However, the journey towards these improvements often requires upfront investment and the financial clarity that is currently lacking.Business owners frequently struggle with disorganized records and outdated tools, hindering their ability to assess what works and demonstrate viability to stakeholders.At Ambrook, we are revolutionizing the essential financial infrastructure for independent operators.We are replacing cumbersome paperwork and outdated systems with modern solutions for accounting, banking, invoicing, and spending. Our platform is tailored for individuals who spend more time in the field than at a desk, providing them with the financial insights necessary to make informed investments in their operations and futures.Our clientele forms the backbone of the real economy, acting as responsible stewards of land, labor, and legacy. By empowering them to invest in robust and sustainable businesses, we contribute to building generational resilience across America.Initially focusing on farmers and ranchers nationwide, we are now rapidly expanding to encompass other American industries.As a Series A startup, we are backed by esteemed investors such as Thrive Capital, Dylan Field, Homebrew, Designer Fund, and BoxGroup. We seek passionate early team members to help us navigate the intricate relationship between American industry, climate, and economic growth.Your RoleAs an integral part of our pioneering engineering team, you will focus on AI and machine learning to establish a strong foundation for utilizing LLMs and intelligent systems. Your work will be crucial in streamlining complex financial workflows, making them faster, smarter, and more accessible for farmers and ranchers.You will tackle challenges such as the messy inbox problem, organizing transactions, summarizing financial documents, and delivering timely insights. We are looking for an engineer who is eager to create AI-driven tools that are genuinely effective in real-world scenarios.

Sep 4, 2025

Apply

Founding Engineer at Applied Labs | New York

Applied Labs

Full-time|On-site|New York

About UsAt Applied Labs, we are pioneering a platform for dependable AI agents designed to automate intricate tasks. Our team thrives on collaboration in our New York City office.Why You Should Consider This RoleGrowth Potential: Experience rapid 10x growth within just 4 months, showcasing our strong momentum.Ownership: Enjoy a high degree of autonomy while taking charge of systems from inception to completion.Complex Challenges: Engage in designing innovative, reliable solutions for multifaceted tasks.Team Excellence: Join an early-stage team comprised of talent from Harvard, MIT, Gemini, and Meta.Your ResponsibilitiesManage Core Systems: Oversee agent systems from concept to deployment, including orchestration, tool usage, planning, memory management, and evaluations.Architect for Reliability: Develop agent loops and guardrails capable of withstanding real-world challenges.Rapid Iteration: Conduct experiments, measure results, and iterate on a weekly basis.Close Collaboration: Work closely with founders in NYC to set product vision, quality standards, and engineering culture.Establish Standards: Your design choices, documentation, and coding style will set a benchmark for future team members.You May Excel in This Role If You:Have successfully deployed end-to-end production systems and take pride in delivering results.Value reliability over mere demonstrations; testing, evaluations, and metrics are crucial to you.Possess a product-oriented mindset, consistently asking, “What does the user need?” and developing the simplest effective solutions.Prefer in-person teamwork and expedited decision-making processes.Aspire to shape the engineering culture of a rapidly growing company.Your ToolsCurrently utilizing technologies like Python, Go, React, Clickhouse, K8s, Bazel, Postgres, GCP, and Modal.We prioritize skills over checklists.

Sep 25, 2024

Apply

Founding Engineering Manager at Giga | New York

Giga

Full-time|On-site|New York

About GigaGiga has recently secured $61 million in a Series A funding round and proudly serves a variety of paying customers, including major players like DoorDash. We are at the forefront of revolutionizing customer experience with cutting-edge real-time AI agents capable of understanding emotions, resolving issues instantaneously, and scaling across the globe's largest enterprises. Our platform is built from the ground up as AI Native and is designed for enterprise-grade applications.This is an exhilarating juncture for our company. Although we have already achieved significant milestones, our aspirations are even grander. Our vision is to establish ourselves as the premier AI platform for enterprise automation, driven by our advanced voice superintelligence. To realize this vision, we are on the lookout for exceptional engineers.The work we do impacts millions globally, and our engineers enjoy autonomy while making meaningful contributions. This opportunity is exceptional due to our brilliant founding team, proven commercial success, and a clear trajectory towards becoming a generational company. Here are some additional insights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga is trusted by the largest B2C companies in the world to build AI agents that handle their most intricate support and operations workflows across voice, chat, and email. If this vision resonates with you, we invite you to apply!

Feb 20, 2026

Apply

Analytics Engineer at SeatGeek | New York

SeatGeek

Full-time|$121K/yr - $175K/yr|On-site|New York, New York

Join SeatGeek, where we believe live events are transformative experiences that bring people together. With our innovative technology and customer-centric approach, we are revolutionizing the ticketing industry.We are seeking a passionate Analytics Engineer to become a vital member of SeatGeek’s Data team. In this dynamic role, you will collaborate with business stakeholders to facilitate effective data management and insightful analyses. As an Analytics Engineer, you will be instrumental in discovering, extracting, storing, cataloging, modeling, and processing our vast amounts of data. You will take charge of our analytics data layer and will work on extracting data from production databases and third-party sources, designing efficient data models, and orchestrating jobs in Airflow to produce clean, well-documented datasets that are ready for analysis. This role requires strong collaboration, as you will maintain relationships with analysts and production engineers to unlock the value of our data. Your contributions will play a crucial part in our mission to position SeatGeek as the premier destination for live event enthusiasts.The live event sector is experiencing unprecedented growth, and we are poised to capitalize on this opportunity. Our teams require actionable metrics and feedback loops to inform critical business decisions. If you are someone who is passionate about leveraging data to drive decision-making, this is the perfect role for you.

Mar 11, 2026

Apply

Founding Engineer at Meridian | New York City

Meridian

Full-time|On-site|New York City

About MeridianAt Meridian, we are pioneering the development of the first multi-agent platform designed to empower enterprise brands in marketing and selling to AI technologies.With the shift from traditional search engines to cutting-edge AI platforms such as ChatGPT, Gemini, and Claude, businesses must adapt to ensure their visibility and representation within these systems. We are creating the solution that enables this transition. Already utilized by hundreds of clients, our core concept is validated, and this is your chance to significantly influence our journey as we grow.The RoleAs a Founding Engineer, you will collaborate closely with the founders to build the fundamental systems that enhance Meridian's operations. You will tackle complex, high-stakes challenges and transform them into reliable software solutions that function autonomously in production environments.This position is ideal for engineers who seek extreme ownership, rapid execution, and the chance to shape a company from the ground up.Your ResponsibilitiesEnd-to-End Ownership: Tackle loosely defined business challenges and drive them from conception through system design, implementation, and iteration; you are accountable not only for coding but also for defining the necessary features and ensuring their real-world efficacy.Agent Design and Development: Develop internal tools and systems that facilitate Meridian's ability to define, execute, and monitor intricate workflows, gradually enabling these systems to manage workflows autonomously.Data and Decision Systems: Construct and refine the pipelines that fuel our platform, including data ingestion, analysis, AI model orchestration, evaluation, and feedback loops that enhance system performance over time.Practical Problem Solving: Comprehend user and agent search behaviors across various markets, identify signals utilized by AI systems to generate responses, and develop fully autonomous workflows.Strategic Technical Decisions: Make impactful trade-offs that shape the long-term development of our product and company, prioritizing actions that significantly contribute to our mission.Company Shaping: Collaborate closely with founders and the initial team to influence product direction, system architecture, and engineering culture.

Sep 14, 2025

Apply

Founding Fullstack Engineer at Everstar | New York City

Everstar

Full-time|On-site|New York City

Join Us as a Founding Fullstack Engineer!Location: New York City (5 days on-site) · Competitive salary + equity + benefits.Overview: Help create the essential product for nuclear operators. Take complete ownership of features. This is a high-impact role at the forefront of innovation.Our MissionAt Everstar, we are revolutionizing the nuclear power industry by creating an intelligence layer that makes nuclear energy truly deployable—reducing regulatory workflows from months to mere days. Our platform, Gordian, is already utilized by utilities, advanced reactor companies, and hyperscalers, combining deep nuclear expertise with world-class product execution at a startup pace.We are seeking a Founding Fullstack Engineer who can transform complex engineering and regulatory workflows into seamless, production-ready software.Join the Apollo Team of Nuclear and collaborate with engineers from leading companies like Tesla, SpaceX, and Google, while learning from nuclear and national security experts with backgrounds at the Nuclear Regulatory Commission and CIA.Your RoleThis is an ownership-driven role with a focus on product development, not just a contract or feature factory.You will design and implement product features from start to finish—covering everything from database architecture to API contracts to meticulous UI design, with a ratio of 60% frontend and 40% backend work. You'll have the autonomy to make technical decisions and the responsibility to drive results.Your responsibilities will include:Creating user-centric features: transform complex regulatory workflows into elegant, user-friendly UI/UX that nuclear professionals will appreciate.Owning the technology stack: develop APIs, optimize database queries, implement front-end interactions, and troubleshoot production issues as needed.Defining product standards: you will have the opportunity to shape our approach to code quality, design systems, testing, and the overall product development life cycle.Collaborating with experts: engage with nuclear subject matter experts and AI engineers to understand intricate requirements and deliver effective solutions.Balancing speed and craftsmanship: continuously iterate on designs and features based on user feedback and evolving needs.

Dec 26, 2025

Apply

Founding Frontend Engineer at Crosby | New York City

Crosby

Full-time|$170K/yr - $225K/yr|On-site|New York City

Join the Future of Legal Services with Crosby!At Crosby, we are revolutionizing the legal landscape. Our innovative team of technologists and legal experts is dedicated to transforming corporate legal services through cutting-edge technology and collaborative workflows. Our goal is to streamline the review of complex documents, enhancing speed and quality in the legal profession.Founded by Ryan (Penn, Stanford Law, former Cooley attorney, and GC) and John (Penn M&T, ex-Ramp, and ex-Google), Crosby is built on the belief that:A robust legal system is fundamental to a prosperous society.Legal practice merges art and science; we aim to define this balance by systematizing the process while enhancing human judgment where it matters.True AI application in law is about delivering outcomes, focusing on quality legal work executed efficiently.We thrive on an in-person culture at our NYC headquarters.The Opportunity:As our Founding Frontend Engineer, you will spearhead the user experience for the Crosby platform. Your mission will be to craft visually appealing, user-friendly, and highly functional interfaces that enable our legal team to operate with unmatched efficiency. Collaborating closely with our founders, product team, and legal professionals, you'll transform intricate workflows into seamless user experiences. This is an unprecedented opportunity to build our frontend architecture from the ground up, create our design system, and set the benchmark for quality and performance.Your Responsibilities:Frontend Architecture: Develop the core frontend of the Crosby platform utilizing modern frameworks such as React, Vite, and TanStack.User Experience Design: Design and implement high-performance user interfaces tailored for complex, data-rich legal workflows.Rapid Prototyping: Collaborate with product and our in-house legal team to swiftly prototype and refine user-facing features.Codebase Foundation: Establish a sustainable frontend codebase, which includes a comprehensive component library and design system.Collaborative Development: Coordinate with backend engineers to design and implement APIs that ensure a cohesive user experience.Team Growth: Contribute to building and mentoring our engineering team.

Jan 7, 2026

Apply

Founding Research Engineer at Egra | New York City

Egra

Full-time|On-site|New York City

Hello, I'm Brian, the Co-Founder of Egra. We have recently secured $5.5M in funding to develop foundational models for brain signals, and we are on the hunt for our inaugural research engineer.From day one, you will possess full ownership of your projects. Forget about lengthy onboarding processes, waiting for approvals, or navigating through bureaucracies. Here, you will collaborate directly with the founders on complex technical challenges, armed with the resources necessary to address them. You will define the architecture of our infrastructure, make pivotal engineering choices, and construct the systems that drive our research forward. If you excel in an environment that values high agency and wish for your contributions to directly influence the company's direction, this is an exceptional opportunity.Key ResponsibilitiesEEG, or electrical activity of the brain recorded from the scalp, is one of the most challenging real-world signal modalities in machine learning due to its low signal-to-noise ratio, significant subject variability, and inconsistencies across devices. Most shy away from these challenges.As our founding research engineer, you will oversee the systems that facilitate our research. Specific projects you will manage include:Creating versioned and reproducible preprocessing pipelines for EEG data from various sources, including device-specific normalization, channel mapping across montages, artifact detection, and signal quality assessments. Your systems will be able to instantly respond to queries like, "Which preprocessing version generated this result?"Designing infrastructure for experiment tracking and training that allows us to conduct numerous pretraining experiments concurrently without losing track of changes in hyperparameters, data splits, preprocessing versions, and model checkpoints, ensuring everything is linked and reproducible.Developing a data ingestion system capable of assimilating various EEG formats (EDF, BDF, BIDS, proprietary device exports) and normalizing them into a clean, internal representation.Enhancing training pipelines for optimal throughput on noisy, variable-length signal data using mixed precision, intelligent batching across different recording lengths, and efficient data loading for datasets that don't conform to standard loaders.Our VisionWe are aspiring to create a world where thought serves as an interface.Imagine composing a message silently as it types itself. Or navigating an AR display without any physical interaction. Our software aims to adapt to your cognitive state in real time, establishing a universal interface between human thought and digital interaction.

Feb 11, 2026

Apply

Founding Engineer at Noto | New York City

Noto

Full-time|On-site|New York City

Join Noto as a Founding EngineerNoto is on a mission to revolutionize the after-school business landscape by creating an AI-native operating system tailored for tutoring centers, music schools, and sports academies. We aim to serve the 150,000 after-school businesses across the country, providing them with the technology they desperately need.Currently, these essential businesses operate with outdated software and a hodgepodge of basic solutions. At Noto, we're developing a comprehensive platform that leverages AI to deliver seamless, engaging experiences for users who are accustomed to manual methods like sticky notes and spreadsheets.Recently, we successfully secured a $3.8 million seed round, supported by esteemed venture capital firms such as Base10 and South Park Commons. Founded by technical experts AJ Ding and Steve Wang, Noto is headquartered in the vibrant city of New York.We are thrilled to expand our core team. If you're passionate about crafting innovative software solutions for small businesses, Noto is the place for you!

Jul 10, 2025

Create account — see all 15,284 results

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, or location & role pages.