73 full stack ai engineer jobs at 54 companies in Waltham, MA
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Principal Full Stack AI Engineer
Boston, Massachusetts, United States
$200k-$220k/yrOnsiteFull Time
Validity: Sells software for email deliverability and CRM data cleaning.
10+ YOE10+ years engineering experience, 2+ years building agentic AI systems, deep full-stack experience with React, Next.js, TypeScript, and PostgreSQL, strong code-review and systems-design skills.
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$146k-$235k/yrRemoteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years full-stack engineering; strong TypeScript and React; experience with Go or Node; shipped AI/agent features and MCP/LLM tooling; instrumentation, funnel analysis, A/B testing, and on-call support experience.
Quantiphi: Provides applied AI research and data engineering services.
5+ YOE5+ years full stack development with React/TypeScript/Next.js frontend and Python (FastAPI) or Node.js backend; experience with REST APIs, microservices, PostgreSQL, Docker/Kubernetes, cloud platforms (GCP/Azure), CI/CD, distributed systems, and LLM/RAG/Agentic AI integration.
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOESTEM degree and 10+ years experience, U.S. Person required, proficiency in Python and C++, CI/CD and DevOps, LLMs/RAG/AI frameworks, cloud deployment, and integrating models into applications.
Leader Bank: Provides personal and business banking services and mortgage lending.
1+ YOEBachelor's or equivalent experience,1–2 years professional software development,experience with JavaScript,Vue.js,Python,RESTful APIs,relational databases,AWS,Git,CI/CD,and applied AI concepts.
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
Strong C#/.NET, Angular, SQL, and Microsoft Azure experience; able to deliver in rapid weekly sprints; familiarity with AI-assisted coding tools (Cursor) preferred.
.NET, C#, Angular, ReactJS, TypeScript, Microsoft Azure, PostgreSQL, Microsoft SQL Server, SQL, Amazon Web Services, Cursor, Model Context Protocol (MCP)
Sincere: Builds technology for celebrations and sharing digital memories
7+ YOE7+ years professional software development; experience across Ruby on Rails, TypeScript, React/Next.js, relational and NoSQL databases, cloud infrastructure (AWS), containerization, and AI-assisted tools; strong product and UX focus.
Ruby on Rails, TypeScript, React, Next.js, MySQL, Postgres, Redis, MongoDB, Sidekiq, OpenSearch, AWS, Docker, Claude Code, Codex, Datadog, Mixpanel, Terraform
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
8+ YOE8+ years software engineering experience (or Master's+6yrs), bachelor’s in software engineering/STEM, DoD Secret clearance and U.S. citizenship, Java/React experience, SQL/PostgreSQL, EM tools, strong communication and leadership.
SQL, PostgreSQL, Java, JavaScript, React, Hibernate, Spring, WildFly, REST, RESTCONF, Material UI, SNMP, Public Key Infrastructure, AI
ChewyNYSE: CHWY: Online retailer of pet food, supplies, and veterinary services.
5+ YOE5+ years software engineering experience with TypeScript, Java, Python, frontend (React/Next.js) and backend services; experience with CI/CD (Jenkins), AWS, Terraform, SQL/NoSQL, system design, observability, and collaborating with data science/AI teams.
Merrimack or Massachusetts or Pennsylvania or Minnesota or Texas or Arizona or Oregon or California
$101k-$150k/yrRemoteFull Time
CelesticaNYSE: CLS: Provides design, manufacturing, and supply chain solutions for electronics.
6+ YOE6+ years experience building full-stack, cloud-native GUI applications; expertise with modern JS frameworks, GUI automation, backend services, CI/CD, and AI/ML integration in networking and data center contexts.
Berlin or Boston or Durham or Munich or London or Valencia
HybridFull Time
commercetools: SaaS platform for building enterprise headless commerce experiences.
5+ YOE5+ years shipping production software, 2+ years building with LLMs; full-stack production ownership; experience with agent orchestration, prompt/context engineering, retrieval/embeddings, MCP, Python, TypeScript/Node, React, and SQL.
Senior AI Infrastructure Platform Engineer, Assistant Vice President
Quincy or Austin
$90k-$158k/yrOnsiteFull Time
State StreetNYSE: STT: Provides investment management and custody services to institutional investors.
5+ YOELead GenAI/Agentic AI projects; strong full-stack development and architecture; collaboration with business and IT; experience with cloud and AI/ML tools.
Python, FastAPI, Unix, Docker, PostgreSQL, Lang Chain, Kubernetes, Databricks, API Management, AWS, Azure, OpenAI
Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yrHybridFull Time
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
7+ YOE7+ years experience building enterprise applications with Java, Python, and Angular. Requires Oracle/PL/SQL, test automation, Agile/DevOps practices, Git, JIRA, Zephyr Scale, Confluence, and familiarity with AI-assisted development tools.
Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yrHybridFull Time
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
7+ YOE7+ years experience; strong Java backend, Angular front-end, and Python skills; Oracle/PLSQL; OOP; AI-assisted development tools; test automation; Git; Agile tools (JIRA, Zephyr Scale, Confluence); must be authorized to work in the US.
Suno: AI platform for creating full songs from text prompts.
5+ YOE5+ years full-stack engineering experience; built and shipped internal tooling; hands-on experience with LLMs, AI APIs, and agentic workflows; strong cross-functional communication; experience owning production infrastructure.
Fairmarkit: AI-powered autonomous sourcing platform for enterprise procurement.
Deep experience building and deploying LLM-powered or agentic systems, full-stack engineering with JS/TS and Python, API and cloud platform experience, AI orchestration frameworks knowledge, strong product and UX sensibility.
Assail: Autonomous AI platform for offensive security testing.
5+ YOE5+ years building production ML/AI systems with 2+ years on LLMs/agents; deep Python; fine-tuning (SFT, DPO/GRPO, RLHF/RLAIF); transformer expertise; PyTorch/Hugging Face/DeepSpeed stack; inference optimization; retrieval/vector pipelines; Kubernetes.
Software Engineer, Full Stack, Developer Productivity
Boston, Massachusetts, United States
$148k-$200k/yrHybridFull Time
Benchling: Cloud platform for biotechnology research and development.
3+ YOE3+ years software engineering; frontend focus working with React; expertise with at least one web framework (Node.js or Python preferred); product-first mindset, strong problem solving, and AI fluency.
Forward Deployed Engineer, AI Enablement (UR & MiR, North Reading, MA) (North Reading, MA, US)
North Reading, Massachusetts, United States
$170k-$272k/yrOnsiteFull Time
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
3+ YOEBachelor's in CS/Engineering/ML, 3+ years software engineering, fluency with AI-native dev tools and modern AI platforms, strong full‑stack skills, and excellent English communication.
Microsoft Copilot Studio/Foundry, LangChain, LlamaIndex, Cursor, OpenAI Codex, Claude Code, Microsoft Power Platform, Microsoft Graph API, Microsoft Azure AI Search, Codex CLI, Gemini CLI, OpenClaw, LangGraph, Ollama, MCP, Salesforce