Senior Software Engineer - AI/ML - AI Platform

Who We AreAddepar is a leading global data and AI platform that empowers investment professionals to transform complex financial data into actionable insights. By unifying portfolio, market, and client data, Addepar delivers AI-driven insights seamlessly integrated within investment and client workflows. Serving over 1,400 firms across nearly 60 countries, w…

Your OpportunityJoin our innovative team at LM Studio as a Software Engineer specializing in AI/ML Systems. We seek a dynamic individual who thrives at the crossroads of machine learning and systems engineering, enjoys tackling complex challenges, and is dedicated to crafting exceptional products.In this role, you will be responsible for developing and enhancing on-device inference engines and integrations for local large language models (LLMs) and advanced AI technologies within LM Studio. You will design and maintain the runtime that facilitates on-device model inference, provide immediate support for new models on launch day, and optimize performance across diverse hardware setups.Collaboration is key here. You will engage closely with model authors and upstream open-source communities (such as llama.cpp, MLX, and others) to ensure that LM Studio users access cutting-edge AI experiences.If you're passionate about bridging the gap between models and systems and care about delivering outstanding local AI-powered experiences for both users and developers, this position could be your next great adventure!

Artian AI is at the forefront of revolutionizing enterprise process automation through an innovative AI-driven approach, particularly in regulated sectors such as financial services. We are advancing the capabilities of AI Workflow Agents, fostering seamless collaboration and achieving the transformative results that traditional RPA and BPM tools have yet to deliver. Our ambition is to make AI-powered automation scalable, reliable, and adaptable, starting with financial services while recognizing its vast potential across various industries. Guided by a team of leading experts in AI research and enterprise innovation, Artian is pioneering the future of multi-agent automation in large-scale, mission-critical environments. Discover more about us at https://artian.ai/company.We are seeking a talented AI/ML Engineer to accelerate the enhancement of our groundbreaking AI platform. Ideal candidates will possess extensive expertise in Python, PyTorch, sklearn, embeddings, vector databases, graph databases, and LLM APIs (such as OpenAI, Claude, Gemini, Llama, Mistral, etc.), alongside skills in LLM prompt engineering, fine-tuning, and hyperparameter tuning. Familiarity with paradigms like RAG, AI agents, and multi-agent systems is essential. In this role, you will collaborate within a small cross-functional team, engaging across various components and services. Experience in a successful startup environment is a valuable asset.The opportunity before us is immediate, substantial, and immensely exciting, providing you with the chance to create meaningful products and address customer use cases at Artian. We are enthusiastic about our mission and look forward to your contributions in driving our journey forward!Note: This position is primarily on-site in New York, with some flexibility.

Databricks builds the data and AI infrastructure that helps organizations solve complex problems, from modernizing transportation to accelerating medical research. The platform supports teams in uncovering insights and improving operations through advanced data and AI tools. Role Overview This Senior Software Engineer position sits within the New York City Engineering office. The team focuses on creating new products from the ground up, using Databricks’ strengths in data and AI to build specialized AI applications for both technical and business audiences. The environment combines the energy of a startup with the backing of Databricks’ established resources. What You Will Do Design and build advanced interfaces for Generative AI agents that handle complex workflows, ensuring transparency and human oversight. Work closely with product managers, designers, and engineers to deliver intuitive, scalable solutions that drive user and business growth. Contribute hands-on as a full-stack developer, delivering user-centered experiences. Develop features that support product-led growth, including seamless onboarding and sharing tools. Help define the direction of agent-based applications at Databricks, collaborating with cross-functional teams. Lead the design, development, and maintenance of end-to-end AI systems that are reliable, scalable, and efficient.

Join The New York Times Company as a Senior Software Engineer specializing in AI platforms and products. In this role, you will be at the forefront of developing innovative AI solutions that enhance our digital offerings and engage millions of readers. Collaborate with cross-functional teams to design, implement, and maintain high-performance AI systems that drive our content and product strategy.

Role Overview Ridgeline is looking for a Senior Staff AI Research Engineer to join the AI Platform team in New York, NY. This group focuses on advancing AI research and building practical solutions for complex, real-world problems. The position centers on evaluating machine learning models and large language models (LLMs) to improve their performance and impact. What You Will Do Design and build frameworks, tools, and systems that use advanced AI technologies. Architect and implement end-to-end AI systems that address challenging business needs. Prototype multi-stage processing structures as part of the research-to-production workflow. Develop evaluation frameworks and benchmarks for model accuracy, consistency, and cost-effectiveness. Work closely with business teams to validate and refine AI-powered tools. Create reusable AI capabilities that can be applied across different business areas, with a focus on investment management operations. About the Team The AI Platform team at Ridgeline drives the adoption of state-of-the-art AI across the company. The group values innovative thinking and practical application, aiming to deliver solutions that shape the future of investment management.

Join our innovative team at Harvey as a Software Engineer specializing in AI Platform development. In this role, you will contribute to the design and implementation of cutting-edge AI solutions, collaborating with cross-functional teams to enhance our platform's capabilities. Your expertise will drive improvements in functionality and performance, ensuring our products remain at the forefront of technology.

Why Join Moonshot AI?Imagine a world where websites automatically optimize themselves to enhance sales, improve conversion rates, and accelerate growth. At Moonshot AI, we are transforming this vision into reality by integrating generative AI, extensive data processing pipelines, and systematic experimentation into a self-evolving digital ecosystem.As a well-funded startup in its early stages, we have a bold vision. Joining us means becoming more than just an employee; you will play a crucial role in shaping our technical and cultural foundation. If you desire the freedom of a founder, combined with the support of top-tier investors, this is the opportunity for you.Your ContributionsIn your role as our Senior Fullstack Engineer, you will be actively engaged across the technology stack. You will design, develop, and scale systems that power our AI-driven platform, enjoying significant autonomy, rapid execution, and substantial ownership of your work.Build and architect scalable systems — from backend APIs to frontend dashboards — capable of processing millions of web events daily.Create large-scale data infrastructure that elucidates website construction, performance metrics, and optimization strategies.Train and integrate LLMs into production environments to autonomously hypothesize, generate, and validate website variants.Influence engineering culture and practices — your impact will be evident throughout our tech stack, architecture, and team processes.Engage in experimentation, prototyping, and iteration — combining research, product development, AI, and scalability in a single role.This is not about maintaining another SaaS application; it’s about constructing an AI engine that revolutionizes digital product creation.Candidate ProfileA software artisan — you produce clean, scalable code and are adept at delivering results swiftly.5+ years of full-stack development experience (Python, JavaScript, AWS preferred, but not mandatory).Proven experience in leading teams or managing significant projects.Educational background in Computer Science, Electrical Engineering, Mathematics, or equivalent practical expertise.An AI enthusiast eager to work with LLMs and influence their real-world applications.Bonus Qualifications:Experience in a startup environment (thriving in dynamic, fast-paced settings).

About Future Secure AI Future Secure AI develops advanced artificial intelligence solutions for global enterprises. The company focuses on solving complex problems across multiple industries, driven by a culture that values bravery, rigor, and curiosity. Leadership encourages open communication and values contributions from every team member. Professional growth is a priority, with support for ongoing development. The team includes experienced leaders and skilled engineers who work collaboratively to create impactful products.

Senior AI EngineerAbout Fonzi AIFonzi AI is a dynamic startup with robust funding, reshaping the hiring landscape through innovative AI solutions. Launched recently, we have quickly garnered thousands of talented engineers to our platform. Our mission is to create an AI-driven recruiting marketplace that connects millions of job seekers with employers, where intelligent AI recruiters learn about individual preferences and seamlessly match candidates with ideal opportunities.The RoleWe are on the lookout for a Senior AI Engineer who will spearhead the development of groundbreaking AI experiences that will shape the future of recruitment. In this role, you will work closely with our engineering team, collaborating with full-stack engineers to integrate AI capabilities into our platform. Your AI features will be integral to the overall functionality of our application.You will engage in AI experimentation, implementation, and teamwork to deliver cohesive products. If you have experienced that transformative moment when AI revolutionizes how we work and are eager to create products that embody that potential for users, this position is tailored for you.What You'll DoDevelop AI agents capable of engaging in meaningful conversations with candidates and recruitersDesign and implement AI-driven features from the ground up, including voice interfaces, coaching systems, and intelligent matching algorithmsExperiment with cutting-edge models and techniques, making informed decisions regarding cost, quality, and speedProduce high-quality production TypeScript code that transforms AI concepts into reliable user experiencesRapidly prototype new AI functionalities and scale successful innovations to serve thousands of usersCollaborate closely with the engineering team to ensure seamless integration of AI features across the entire platformWork alongside full-stack engineers to pinpoint opportunities where AI can enhance the recruitment experienceStay abreast of developments in the AI field while maintaining focus on delivering tangible productsRequired ExperienceProven AI development experience: You have successfully built and deployed AI/LLM features in production for over a yearFull-stack engineering skills: Strong expertise in TypeScript, React, and Next.js, able to contribute to all aspects of development

Role overview Harvey seeks a Staff Software Engineer to take a lead role in shaping its AI Platform. Based in New York, this position focuses on designing, developing, and launching software solutions that use artificial intelligence technologies. What you will do Lead the architecture and implementation of projects that rely on AI technologies Collaborate with engineering, product, and other teams to enhance and grow the platform Maintain high software quality and ensure solutions align with user needs throughout development Location This role is located in New York.

Senior AI Product EngineerAbout Fonzi AIAt Fonzi AI, we are a pioneering Series A startup, backed by Lightspeed, dedicated to transforming the hiring landscape through the power of AI. Established by seasoned entrepreneurs from Kumospace, we launched our innovative AI-driven recruiting marketplace in June 2025 and have quickly become revenue-positive, partnering with nearly 100 employers—over 75% of whom are AI-native companies. Our platform is home to thousands of engineers, and we proudly host Match Days every two weeks, where pre-screened candidates receive competitive offers from leading employers.Our vision is to create an infrastructure where AI comprehensively understands the roles of engineers, their aspirations, and seamlessly matches them with suitable opportunities. We are committed to moving beyond surface-level AI applications and are building toward a future where intelligent systems manage the entire recruiting workflow. We seek engineers who share our passion for this vision and are eager to help shape the future with us.The RoleAs a Senior AI Product Engineer, you will embrace a multifaceted role in this new era of software development. The distinction between "full-stack engineer" and "AI engineer" is rapidly diminishing, and at Fonzi, we have embraced this convergence.You will take ownership of features from inception to deployment: designing database schemas, developing React components, and creating the AI agents that infuse intelligence into our platform. Some weeks, you’ll focus on building robust backend systems; other weeks, you'll experiment with cutting-edge models to develop features that feel transformative. Most weeks, you’ll engage in both aspects.We are in search of engineers who have experienced the "aha moment"—those who recognize that AI fundamentally alters the software development landscape and wish to work at a company where this principle is embedded in every product decision.What You'll BuildAI Agents that facilitate intelligent conversations with candidates, including voice interfaces for onboarding engineers, coaching systems for interview preparation, and adaptive matching algorithms that evolve with each interaction.The Platform powering a two-sided marketplace, utilizing TypeScript/Node.js for backends, React/Next.js for frontends, and PostgreSQL for the data layer, all designed for speed and rapid iteration.AI-Powered Features from conception to production—rapidly prototype using the latest models, strategically balancing cost, quality, and speed, then scale successful features to thousands of users.The Intelligence Layer that enhances our marketplace with each candidate interaction, creating a data flywheel that will establish our competitive edge.

Databricks builds data and AI infrastructure that helps organizations solve real-world problems, from improving transportation to driving medical breakthroughs. The company was founded by engineers who care deeply about customers and technical challenges. Teams work on everything from advanced UI/UX for data tools to scaling services across millions of virtual machines. This Senior Staff Software Engineer role is based in New York City. As one of the first engineers in the NYC office, you will join a small, agile group focused on launching new products from scratch. The team’s mission: use Databricks’ strengths in data and AI to create vertical AI applications for both technical and business users. The environment combines the energy of a startup with the backing of a major technology company. Your Impact Design advanced interfaces for GenAI agents that support complex workflows, with a focus on transparency and human oversight. Work closely with product management, design, and other engineering teams to build scalable, intuitive, and extensible solutions that support user and business growth. Lead by example through hands-on, full-stack software development to deliver dynamic, user-centered experiences. Create mechanisms that drive product-led growth, including improved onboarding and sharing features. Help shape the future of agentic applications at Databricks by collaborating with a diverse team of engineers, product managers, and designers. Define and execute strategy for broad AI feature development by designing, building, and maintaining systems that are scalable, reliable, and high-performing.

About Us: At EvolutionIQ, our mission is to revolutionize the insurance claims process through cutting-edge technology, ensuring that those affected by injury or illness can lead their lives with dignity and stability. As we experience remarkable growth, we are actively seeking top-tier talent to join our team and help us scale our innovative solutions in the insurance sector. Our culture has earned us recognition as one of Inc.’s Best Workplaces for three consecutive years and a spot on Built In’s Best Places to Work for 2025 and 2026! Your Impact & Mission: In the role of Principal Software Engineer at EvolutionIQ, you will play a pivotal part in the architecture and delivery of the next version of our AI claims management platform. Your primary focus will be on designing and implementing three foundational systems: 1. Data Ingestion/Pipeline, 2. API Platform, and 3. User-facing Application. These systems will process tens of millions of documents daily, including unstructured data sources such as OCR and phone call transcriptions. You will harness the power of our proprietary EvolutionGPT platform and large language models (LLMs) to convert raw data into actionable insights, facilitating rapid, code-free deployment of new products in just two weeks. You will collaborate closely with leadership to set strategic technical direction for our business lines, particularly in Disability and Workers' Compensation. This role involves defining technical requirements, tackling intriguing technical challenges, and playing a significant part in transforming our 100+ person engineering organization, motivating them as we grow. With a strong emphasis on First Principles thinking, you will leverage extensive unstructured datasets and proprietary LLMs, including our EvolutionGPT platform, along with other advanced technologies, to innovate our claims guidance platform that processes vast amounts of medical documents and data streams.

OverviewTetrix is an innovative startup dedicated to revolutionizing how institutional investors navigate alternative markets. Our cutting-edge AI-driven platform converts chaotic, unstructured private market data into actionable real-time insights. By integrating automated document retrieval, AI-empowered data extraction, and dynamic portfolio analytics, we offer a unified solution that defines the future of financial market infrastructure. Our rapid growth positions us as a leader in the industry, with partnerships among top-tier capital allocators and backing from prominent investors including Innovation Endeavors, Eric Schmidt’s VC firm, and industry veterans from BlackRock, CPPIB, SoftBank, Lending Club, and Plaid. Who We AreWe are a compact yet impactful team with extensive experience in both financial markets and advanced technologies. Our culture thrives on trust, ownership, and curiosity, where every team member is encouraged to contribute, innovate, and grow together. Our co-founders, Olivier (CEO) and Naunidh (CTO), forged their partnership on their first day at Stanford's MBA program, leading to the establishment of Tetrix in the summer of 2023. Who You AreYou are proactive and hands-on, taking initiative to drive projects forward.You possess a quick learning ability, approaching problems creatively and enthusiastically.You prioritize customer experience in every aspect of your work, from backend decisions to UI enhancements.You thrive in collaborative environments, valuing transparency and effective communication.You bring 5+ years of experience in AI/ML, preferably within fast-paced or entrepreneurial settings; contributions to open-source projects are a plus. What You’ll DoYou will build and optimize machine learning models that enhance our product's capabilities.You will collaborate with cross-functional teams to integrate AI solutions that drive business value.You will contribute to the product development lifecycle, from concept through deployment.

Join asapp as a Lead AI/ML Engineer, where you will have the opportunity to drive innovation and create cutting-edge machine learning solutions. You will lead a talented team of engineers and collaborate with cross-functional teams to develop, implement, and optimize AI technologies that enhance user experiences. Your expertise in machine learning algorithms and passion for artificial intelligence will be pivotal in shaping our product offerings.

Role overview As Engineering Manager for Applied AI & Platform at norm-ai in New York City, this position leads a team dedicated to bringing artificial intelligence into the company’s platform products. The manager sets direction for projects, supports the technical development of engineers, and plays a key role in shaping the vision for how AI will influence future product offerings. What you will do Guide engineers as they develop and integrate AI technologies into core platforms Oversee project planning and execution to ensure initiatives match company objectives Provide technical leadership and mentorship to help the team achieve strong results Work with stakeholders to define the technology roadmap and platform strategy

The mission of The New York Times is to seek the truth and help people understand the world. Independent journalism is at the core of our operations, driving us to report from nearly 160 countries and deliver journalism that is engaging and worth paying for.About the RoleThe New York Times is looking for a talented Software Engineer to join our New AI Products & Platforms team. This innovative group is dedicated to creating cutting-edge AI experiences for our readers.We are in search of a rapid prototyper who is passionate about building real products that provide exceptional user experiences. You will operate at the crossroads of applied AI and consumer products, transforming emerging technologies—such as language models, content embeddings, and semantic search—into features that enable Times readers to discover, understand, and engage with our content more deeply. You'll be part of a team that values strong editorial judgment and independence.To succeed in this role, you should have a proven history of delivering software solutions, a strong grasp of the modern web stack, and hands-on experience with large language models (LLMs) in production.This is a hybrid position based at our headquarters in New York City, reporting directly to the VP of Engineering for New AI Products and Platforms. You can expect to be in the office at least 2 days a week.Responsibilities:Prototype, iterate, and launch LLM- and embedding-powered reader experiences from initial concepts to production alongside other engineers and cross-functional teams.Develop across the full stack: from Node.js/TypeScript backends to React frontends, integrating AI capabilities seamlessly.

Join the Thread AI Team!At Thread AI, we are pioneering the development of an innovative AI-native workflow orchestration engine. We invite passionate and skilled professionals to be part of our expanding team. Our mission is to simplify infrastructure for enterprises and public sector organizations aiming to maximize the potential of AI.Based in New York, our dynamic team comprises experts in AI, product development, and engineering, all with a proven history of designing and executing intricate workflows and infrastructure.Our Engineering CultureWe pride ourselves on being a compact, dedicated technical team that encompasses engineering, research, design, product, and operations. We believe that a small, committed team with a flat structure and a collaborative ethos can achieve more and innovate faster than larger, hierarchical organizations.Role OverviewWe are seeking a talented software engineer to take charge of implementing and overseeing the security of our internal information systems’ infrastructure and processes. You will collaborate closely with senior engineers to develop robust security capabilities, enforce security policies, and vigilantly monitor internal systems for potential security threats.

Why Join Moonshot AI?Envision a web that autonomously transforms itself to enhance sales, improve conversions, and accelerate growth.At Moonshot AI, we’re pioneering this future by integrating generative AI, extensive data processing, and innovative experimentation into a self-adaptive online ecosystem.As a well-capitalized, early-stage startup with grand ambitions, your role here transcends that of a typical employee — you’ll actively contribute to shaping the company’s technical and cultural foundation. If you've ever aspired to have the freedom of a founder while being supported by elite investors, this opportunity is for you.What You'll Create & LeadIn the position of Staff Software Engineer, you will serve as the technical cornerstone of Moonshot's evolution engine, responsible for designing scalable systems, steering engineering strategy, and mentoring your colleagues.Your work will blend hands-on expertise with high-level architectural insight, transforming visionary ideas into technical realities.You will:Innovate at the forefront of generative AI - develop systems that empower AI to autonomously reason, experiment, and implement tangible changes to the web.Architect the next generation of our experimental engine - ensuring it is scalable, observable, fault-tolerant, and capable of handling millions of daily events.Design and advance our backend infrastructure utilizing Python (Flask-RestX), serverless AWS, and various data pipelines (ClickHouse, Postgres, Kinesis, Firehose, S3).Lead technical strategy - establish our engineering principles and evolve the architecture across microservices, data ingestion, and LLM-driven systems.Mentor and uplift - enhance the skills of senior and mid-level engineers through code reviews, collaborative programming, and detailed design documentation.Collaborate across teams - partner with AI, product management, and data science to translate business objectives into robust systems.Prototype and expand boundaries - rapidly bring concepts to production while balancing experimentation with thoroughness.Enhance performance, security, and reliability as we scale towards SOC 2 certification and enterprise clientele.This role emphasizes technical leadership without the responsibilities of people management: pure design, significant leverage, and complete ownership.