Senior/Staff Frontend Engineer at Hypha | New York City

About HyphaHypha is an innovative AI-driven platform that is revolutionizing asset management throughout its entire lifecycle—covering acquisition, management, and exit strategies. With a specialized focus on healthcare facilities and multifamily real estate, we are transforming the industry through three fundamental pillars:Observability: Delivering real-ti…

About RilletAt Rillet, we empower accounting and finance teams to enhance their operational efficiency. Our clients are the financial strategists of their organizations, and our mission is to provide them with tools that deliver unparalleled speed, accuracy, and insights.Rillet is an innovative AI-driven ERP solution designed to facilitate rapid financial closures. What sets us apart is our cohesive data model, extensive range of seamless integrations (including Stripe, Ramp, Salesforce), automated workflows that are both efficient and auditable, and our growing suite of specialized AI agents that tackle various financial tasks. We take pride in maintaining a perfect customer satisfaction score. High-growth companies such as Mercer, Windsurf, and Function Health appreciate our ability to scale alongside their financial infrastructure.With significant backing of $100M from top-tier investors including Sequoia, a16z, Iconiq, Oak HC/FT, and First Round, we are poised to revolutionize financial operations.Our CultureRillet is a fast-paced environment where intelligence is essential. To thrive here, one must exhibit remarkable agility, proactivity, and adaptability.Successful team members at Rillet take initiative, internalize our mission, devise innovative strategies, and deliver superior results that surpass expectations.Our work is customer-centric, and we seek individuals who take pride in delivering high-impact solutions, even when they diverge from the initial plan.While accounting experience is not mandatory, a genuine appreciation for how our solutions empower our clients is crucial. Our team members are passionate about enhancing the financial backbone of the most dynamic companies around the globe.Position OverviewWe are in search of a skilled Senior Frontend Engineer to enhance the user interface of Rillet's cutting-edge accounting and finance software. In this role, you will collaborate with our CTO, product team, and designers to create user-friendly, high-performance interfaces that finance professionals will love to utilize.We value in-person collaboration and prefer candidates who are within commuting distance of our New York City or San Francisco offices, or those willing to relocate. Our team members are expected to work in the office on Tuesdays and Thursdays, along with one additional flexible in-office day. Some roles may necessitate more in-office presence based on specific functions.

About Confido Confido builds AI-powered infrastructure for Consumer Packaged Goods (CPG) brands, helping them manage everything from deduction resolution to production planning. The platform brings together cash application, deductions, disputes, trade promotion management, forecasting, demand planning, and analytics in one place. This integration saves clients time and supports better business decisions. Over 200 brands, including OLIPOP, Simple Mills, Dr. Squatch, and Tropicana, use Confido to manage more than $20 billion in revenue. Backed by $15 million in Series A funding from Footwork Ventures and Y Combinator, the company is positioned for rapid growth. Role Overview The Senior Frontend Engineer will lead the design and development of the user-facing side of Confido’s platform. The focus is on building intuitive, high-performance interfaces that make complex financial workflows easier for users. What You Will Do Design and develop frontend features for the Confido platform Create interfaces that simplify complex operational and financial data Collaborate with engineering and design teams Work with customers to turn detailed requirements into seamless product experiences Location This role is based in the New York City office.

Join Our Team as a Frontend EngineerAt Madecard, we are on a mission to empower homeowners to save time, money, and reduce stress. Our flagship product, the Made Card, is a credit card crafted specifically for homeowners, providing unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a bespoke home management platform that enables users to oversee their home systems and appliances, stay ahead of maintenance tasks, and receive assistance—ranging from AI-powered guidance to in-person services—just when they need it.By collaborating with leading national organizations in the residential homeownership sector, including mortgage lenders and home service providers, we integrate Made into crucial moments of the homeowner journey. This strategic approach allows us to reach millions of households nationwide, delivering significant advantages to homeowners.Supported by esteemed investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team boasts extensive experience in fintech, mortgages, and credit cards from prestigious firms like Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are dedicated to building a financial and engagement platform that places homeowners at the forefront while redefining the essence of feeling at home.

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.

About ForaFora is a revolutionary travel agency, designed to empower passionate individuals to establish successful advisory businesses. We aim to modernize the $100B+ travel agency sector by integrating cutting-edge technology, data insights, and community support, enabling thousands of entrepreneurs to thrive on our platform. Our comprehensive business-in-a-box solution equips travel advisors with state-of-the-art tools, tailored training, a vibrant community, and exclusive industry partnerships. Our mission is clear: to help the next generation of travel entrepreneurs transform their passion for travel into a rewarding career, whether full-time or part-time. We believe that anyone, from experienced professionals to aspiring advisors, can create a venture that is both profitable and fulfilling.Founded in 2021 by experienced entrepreneurs, Fora has seen significant growth, expanding to a dedicated team of over 200 full-time employees based in downtown New York City. In 2025, we proudly announced our $60 million Series B and C funding rounds, spearheaded by Thrive Capital and Insight Partners, with contributions from previous investors such as Forerunner and Heartcore Capital. Our accolades include being named a LinkedIn Top Startup 2024, Fast Company’s Most Innovative Companies in 2023 and 2025, and Built In’s Best Places to Work in 2025.We are on a mission to create the first truly integrated platform for all travel needs—leveraging the best of human expertise and technology to revolutionize how people plan and book their travel.About The RoleWe are seeking a highly experienced Senior/Staff Frontend Engineer to join our team as we continue to enhance Fora’s products and infrastructure. In this pivotal role, you will be instrumental in shaping the Advisor Experience, which is the core of the Fora Platform. Collaborating closely with Product and Design teams, the Sr. Frontend Engineer will develop our public-facing website, content and supplier systems, internal administrative tools, and external integrations. The ideal candidate will resonate with our mission and brand, be excited about our innovative solutions, and possess a strong passion for creating high-quality software.

Join Crosby as a Staff Frontend Engineer, where you will lead the development of innovative web applications that enhance user experiences. Collaborate with cross-functional teams to design, implement, and maintain scalable software solutions. Your role will involve mentoring junior developers, conducting code reviews, and ensuring best practices in frontend development.

Frontend Engineer - TeachShareAbout TeachShareAt TeachShare, we are at the forefront of transforming K-12 education with innovative AI-driven tools that empower teachers to efficiently create customized curriculum materials. As a rapidly expanding EdTech startup, we proudly support over 400,000 educators and are backed by esteemed investors in the education sector. Our platform enables teachers to design standards-aligned instructional resources in mere minutes, significantly reducing their preparation time.We operate as a tight-knit, high-impact team of just four full-time employees based in New York City, delivering features that reach thousands of educators daily.The RoleWe are seeking a detail-oriented frontend engineer to turn Figma designs into flawless, responsive user interfaces. Collaborating closely with our designer—a former CIA analyst and Harvard graduate—you will rapidly iterate on growth experiments to enhance teacher engagement and retention.This is not your conventional frontend position; you will take ownership of the entire frontend experience for a platform boasting over 60% week-4 retention and be instrumental in conducting A/B tests that influence key performance metrics.What You'll DoDesign Implementation: Transform Figma designs into production-ready code, paying meticulous attention to detail (e.g., 10px vs. 15px can make a difference)Growth Experiments: Launch A/B tests using PostHog, implement feature flags, and iterate based on analytical insightsRapid Iteration: Collaborate in short cycles with our designer – designing in the morning, shipping by the end of the dayComponent Development: Develop and maintain our design system utilizing Solid.js and Tailwind CSSPerformance Optimization: Ensure fast and responsive experiences across various devices, including older Chromebooks utilized by many teachersTech StackFrontend: Solid.js (an alternative to React), Tailwind CSS, TypeScriptState Management: Zustand (preferred), React Query for data fetchingTools: PostHog (for analytics and A/B testing), Figma, PNPM monorepoInfrastructure: Vercel, NEON DB with branchingWhat We're Looking ForMust-HavesSolid foundation in frontend technologies (HTML, CSS, JavaScript/TypeScript)Familiarity with React or comparable frameworks (we use Solid.js, which is straightforward to learn)A keen eye for design details and spatial relationships

About RebarRebar is pioneering the development of an AI-driven operating system tailored for the commercial HVAC, Electrical, and Plumbing industries.In just the past year, our innovative quoting platform has efficiently managed tens of thousands of projects across North America, resulting in a remarkable doubling of our revenue within the first six weeks of this year. We proudly serve a diverse clientele, including some of the industry's leading firms engaged in billion-dollar construction projects, many of which still rely on outdated workflows.The construction sector accounts for approximately 10% of GDP and is significantly underserved when it comes to software solutions. We are dedicated to transforming this landscape.Having successfully secured a $14 million Series A funding from top construction technology investors, we are excited to embark on our next growth phase. Our mission is to create a suite of AI-native products that will revolutionize the way this industry operates.We are seeking a Frontend Engineer to join our dynamic team in building and scaling a real-time collaborative platform for field operations. You will collaborate with a small, seasoned team focused on developing high-performance web applications that support essential workflows in this rapidly evolving industry.This position is ideal for individuals who are passionate about crafting intuitive user experiences, utilizing modern frontend technologies, and thriving in a fast-paced, early-stage environment.

Job OverviewJoin our dynamic team at Fauna Robotics as a Frontend Engineer, where you will play a pivotal role in developing user-friendly interfaces that allow seamless interaction with our advanced robotic systems. Your focus will be on crafting both web and mobile applications that enhance user control, offer insightful data visualizations, and build internal tools that streamline our operations. Your contributions will directly influence the experience of our operators, researchers, and clients.In this innovative position, you will confront exciting challenges that blend frontend development with cutting-edge robotics. Your work will involve real-time data visualization and the creation of responsive controls that meet stringent latency demands. Although our current interfaces are predominantly web-based, we have aspirations to extend into native mobile applications as our company expands.

About Farsight AIFarsight is a pioneering AI platform tailored for the financial services sector, dedicated to empowering investment banks and private equity firms by automating intricate workflows. Currently, financial institutions allocate a staggering 80% of their time on manual data gathering and preliminary drafting. Our innovative solutions not only reclaim that valuable time but also enrich their presentations, models, and pitches with insights that would otherwise remain undiscovered.Our TeamWe are a diverse team of experienced professionals drawn from top-tier financial institutions such as Evercore, General Atlantic, and Menlo Ventures, complemented by advanced engineering and AI expertise from renowned companies like Amazon, Hugging Face, and the MIT Media Lab. Our collective backgrounds in startup environments empower us to seize this substantial opportunity. We strive to attract the best talent to elevate our performance, and we encourage you to apply!Our office is located in Manhattan, New York City, where we operate in-person four days a week, reserving Fridays for remote work.The RoleAs a Frontend Engineer at Farsight, you will play a crucial role at the forefront of AI technology, crafting the user interfaces that deliver our groundbreaking solutions to some of the world's most pivotal financial organizations. Your mission will be to transform our powerful AI outputs into seamless, user-friendly product experiences tailored for investment banking, private equity, and beyond.You will engage directly with customer feedback and swiftly implement enhancements while maintaining our commitment to clean, efficient, and adaptable software. Your projects will encompass both long-term platform initiatives and quick iterations on user-facing features, each contributing significantly to our company's growth and success.

The New York City Comptroller’s Office is dedicated to ensuring the financial stability, accountability, and operational excellence of the New York City government. Our mission is to foster trust among the citizens, secure a prosperous future for all New Yorkers, and contribute to building a more just, equitable, and resilient metropolis. Managed by an independently elected citywide official, the Comptroller's Office serves as a key pillar in maintaining checks and balances to guarantee that city government adheres to its commitments, manages its budget effectively, and addresses long-term challenges.The Bureau of Engineering (BOE) plays a crucial role in investigating construction disputes and claims involving the City of New York. Collaborating closely with the Office of the General Counsel, we strive to reach fair and reasonable resolutions that prioritize the City’s interests. Additionally, the BOE provides essential technical expertise to support the Comptroller's oversight of various City Agencies.We are seeking a dedicated Staff Engineer to assist in the investigation and analysis of construction contract claims and disputes, along with other engineering tasks as assigned. The successful candidate will engage in a range of responsibilities, including:Offering engineering and technical support for the investigation and analysis of complex construction contract claims and disputes.Conducting comprehensive reviews of data pertinent to assigned claims or engineering tasks.Preparing detailed reports addressing damages and liabilities, alongside recommendations for supervisory review.Leading research and evaluations of contract and engineering matters of low to medium complexity.Executing additional related duties as required.

About the CompanyAt Made, our mission is to empower homeowners by saving them time, money, and reducing stress. We have introduced the Made Card, a credit card tailored specifically for homeowners, offering unparalleled rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a personalized home management platform where users can oversee home systems and appliances, stay proactive on maintenance, and access assistance—from AI-powered insights to on-site services—exactly when they need it.Our partnerships with major national players in the residential homeownership sector, including mortgage lenders and home service providers, integrate Made into crucial moments of the homeowner journey. This enables us to reach millions of households nationwide, delivering significant advantages to homeowners.Supported by esteemed investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team brings extensive experience in fintech, mortgages, and credit cards from Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are building a financial and engagement platform tailored for the next generation of homeowners, centered around their needs and redefining the concept of feeling at home.

The City of New York is seeking a dedicated and skilled Project Engineer to join our dynamic team. In this role, you will be responsible for overseeing various engineering projects, ensuring they meet quality standards and are completed on time and within budget. You will collaborate with other professionals and stakeholders, provide technical guidance, and help implement innovative engineering solutions for the city's infrastructure.

The City of New York is seeking a highly skilled and experienced Senior Estimator to join our dynamic team. This role is essential for ensuring accurate cost estimations for various city projects, contributing to the effective allocation of resources and project planning.As a Senior Estimator, you will analyze project specifications, prepare detailed cost estimates, and collaborate with project managers to ensure financial feasibility. Your expertise will help guide decisions that impact the community and enhance public services.

The City of New York is hiring a Data Engineer to support essential data projects that inform city decisions and strengthen public services. This full-time role is based in New York City and centers on using data analytics to address challenges across city operations. Role overview As a Data Engineer, you will play a key part in initiatives that shape how the city uses information to make choices and deliver services. The work involves collaborating with a team focused on improving processes and outcomes for residents. What you will do Contribute to projects that gather, organize, and analyze data for city departments Help translate complex data into practical insights for decision-makers Work with colleagues to find solutions that enhance city operations and public services Location This position is based in New York City and requires full-time availability.

Join the City of New York as a Senior Developer, where you will play a pivotal role in enhancing our digital landscape. We are seeking an innovative and experienced developer who is passionate about leveraging technology to improve city services. You will be working on significant projects that impact the lives of millions of residents.

Exciting OpportunityPosition: Design EngineerWork Arrangement: 5 days a week at our NYC headquartersSalary Range: $175,000 to $275,000Equity: Competitive initial grant with performance-based annual bonusesAbout MomentMoment is at the forefront of trading and portfolio management technology, developing next-generation solutions that include high-speed market data pipelines, automated smart order routing, real-time portfolio management, and advanced portfolio optimization techniques.Founded in 2023 by a talented team of quantitative traders and researchers from Citadel and Jane Street, we have successfully secured over $100 million in funding from prestigious investors such as Andreessen Horowitz, Index Ventures, and Lightspeed Venture Partners, empowering financial institutions managing over $8 trillion in assets.Who You AreA frontend engineer or a design engineer proficient in Typescript.A self-starter who enjoys solving problems and exploring creative solutions.Preferred QualificationsExperience in product design is a plus.Perks and BenefitsComprehensive health, dental, and vision insurance.$150 monthly fitness stipend.Complimentary lunch and dinner provided.Compensation OverviewBase salary ranges from $175,000 to $275,000, with initial equity grants and bonuses based on performance.

Who We AreLightning AI is the innovative force behind PyTorch Lightning. Established in 2019, we specialize in creating a comprehensive platform for developing, training, and deploying AI systems, aimed at seamlessly transitioning ideas from research to practical applications.Our recent merger with Voltage Park, a neocloud and AI Factory, enhances our capabilities by merging developer-centric software with cost-effective, large-scale computing solutions. Our tools empower teams to experiment, train, and implement production inferences, all while ensuring built-in security, observability, and control.We cater to individual researchers, startups, and established enterprises alike. Lightning AI operates on a global scale with offices located in New York City, San Francisco, Seattle, and London, and is supported by esteemed investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and accuracy, breaking down complex challenges into manageable tasks.Focus: We tackle one goal at a time with diligence, working collaboratively to deliver features with precision.Balance: We believe sustained performance is rooted in a healthy work-life balance, ensuring your productivity and well-being.Craftsmanship: Excellence drives our innovation, as we take pride in mastering every detail of our work.Minimal: We simplify processes through discipline, focusing on what truly matters to facilitate innovation.What We’re Looking ForWe seek a dedicated frontend engineer to enhance and scale the user interface and frontend architecture of the Lightning AI platform. You will take charge of key features, driving development from concept to completion while collaborating with a talented team of engineers, product managers, and designers. Your work will span from initial proof of concept to final release, with an emphasis on speed, quality, and iterative improvement.With over 10,000 organizations utilizing Lightning, you will have a remarkable opportunity to influence how the world builds and deploys AI in production settings.This hybrid role is based in our New York City office, with an in-office requirement of two days per week. The salary range for this role is $120,000 - $250,000.

About madecardAt madecard, our mission is to empower homeowners by saving them time, money, and stress. Central to this mission is the Made Card, a credit card crafted specifically for homeowners that offers unmatched rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a personalized home management platform, allowing users to oversee home systems and appliances, anticipate maintenance needs, and access support—from AI-driven insights to in-person services—precisely when they need it.We collaborate with leading national partners in the residential homeownership sector, including mortgage lenders and home service providers, which enables us to reach millions of households nationwide and deliver substantial benefits to homeowners.Supported by prestigious investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team boasts extensive expertise in fintech, mortgage, and credit card industries, having held roles at Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are dedicated to building a financial and engagement platform for the next generation of homeowners—one that prioritizes the homeowner and redefines what it means to truly feel at home.