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78 ai full stack engineer jobs at 56 companies in Lynn, MA

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Principal Full Stack AI Engineer
Boston, Massachusetts, United States
$200k-$220k/yr OnsiteFull Time
Validity
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.
React, Next.js, TypeScript, PostgreSQL
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1mo
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Full Stack Engineer, Foundation
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/yr RemoteFull Time
LaunchDarkly
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.
TypeScript, React, Go, Node, MCP servers, LLM, IDE, LaunchDarkly
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1mo
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Full Stack Developer
United States or Canada or Boston
RemoteFull Time
Quantiphi
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.
React, TypeScript, Next.js, Python, FastAPI, Node.js, PostgreSQL, Docker, Kubernetes, GCP, Azure, GitHub Actions, Kafka, Pub/Sub, LangChain, LangGraph, LlamaIndex, Redis, pgvector, Pinecone, Milvus, WebSockets, Server-Sent Events (SSE), OpenTelemetry, Playwright, GraphQL, gRPC, CI/CD, Model Context Protocol (MCP), FHIR R4, HL7 v2, SMART on FHIR, Epic, OAuth 2.0, OIDC
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2d
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Full Stack AI Platform Engineer – AI Accelerator
East Hartford or Cambridge
$132k-$252k/yr HybridFull Time
RTX
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.
Python, C++, GitHub Actions, Jenkins, PyTorch, TensorFlow, AWS, Azure, LLMs, RAG, REST APIs, Docker, Kubernetes, SQL
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1mo
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Vice President, Full-Stack Engineer
Boston, Massachusetts, United States
$83k-$199k/yr OnsiteFull Time
BNY
BNYNYSE: BK: Global institution managing and servicing financial assets worldwide.
10+ YOE10+ years software engineering; strong full stack in C#.Net, ASP.Net, .Net Core, SQL, Angular; strong SQL (DB2/Oracle/SQL Server); experience across frontend, backend, and data; CI/CD; mentoring; AI-assisted development.
C#, .NET Framework, ASP.NET, .NET Core, SQL, Angular, HTML/CSS, DB2, Oracle, SQL Server, CI/CD
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5d
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Full Stack Developer
Arlington, Massachusetts, United States
$66k-$82k/yr HybridFull Time
Leader Bank
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.
Vue.js, JavaScript, Python, RESTful APIs, PostgreSQL, MySQL, MariaDB, Git, AWS S3, AWS RDS, AWS Lambda, AWS CloudWatch, AWS Bedrock, CI/CD, HTML, CSS, React, PHP, LLM
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1w
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.NET Full Stack Engineer
Beverly, Massachusetts, United States
$103k-$173k/yr OnsiteFull Time
EPAM Systems
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)
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2w
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Senior Full Stack Engineer
Framingham, Massachusetts, United States
$110k-$130k/yr HybridFull Time
Sincere
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
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Senior Full Stack Engineer, Sponsored Ads
Boston, Massachusetts, United States
$141k-$225k/yr OnsiteFull Time
Chewy
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.
TypeScript, Python, Java, Spring Boot, Next.js, React, Jenkins, AWS, Terraform, SQL, NoSQL, CI/CD
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1mo
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Full-Stack GUI Software Developer (Merrimack, NH, US)
Merrimack or Massachusetts or Pennsylvania or Minnesota or Texas or Arizona or Oregon or California
$101k-$150k/yr RemoteFull Time
Celestica
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.
React, Vue.js, Angular, Playright, Cypress, Selenium, Node.js, JavaScript, Python, Go, SONiC, OpenBMC, Kubernetes, Docker, SPyTest, Claude Code, GitHub Actions, Azure DevOps, Jenkins, IXIA
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3mo
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AI Engineer
Somerville, Massachusetts, United States
$100k-$155k/yr HybridFull Time
Tulip
Tulip: Provides a no-code platform for industrial frontline operations.
5+ YOE5+ years experience building production AI/LLM solutions, strong full-stack coding (Typescript or similar), API design, AWS/GCP, CI/CD, prompt engineering, agent frameworks, and ability to partner with business teams.
Typescript, LLMs, agent frameworks, RAG, AWS, GCP, CI/CD, RESTful services
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1mo
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AI Engineer
Berlin or Boston or Durham or Munich or London or Valencia
HybridFull Time
commercetools
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.
LLMs, A2UI, AG-UI, MCP-UI, MCP, Python, TypeScript, Node, React, SQL
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4w
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Senior / Staff Software Engineer, AI Engineering
Boston, Massachusetts, United States
$220k-$280k/yr OnsiteFull Time
Suno
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.
LLMs, AI APIs
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3w
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Agentic AI Engineer (Boston, Hybrid)
Boston, Massachusetts, United States
$319k-$350k/yr HybridFull Time
Fairmarkit
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.
JavaScript, TypeScript, Python, REST, GraphQL, AWS, GCP, Azure, LangChain, LlamaIndex, AutoGen, CrewAI
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3mo
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AI/ML Development Principal Engineer
Durham or Lowell or Morgan Hill
OnsiteFull Time
MACOM
MACOMNASDAQ: MTSI: Designs and manufactures semiconductor products for communications infrastructure.
7+ YOE7-12 years AI engineering experience; expert in agentic AI, Generative AI, and orchestration; strong Python and AI stack skills; experience deploying AI in engineering/manufacturing; ITAR-compliant US Person
Python, AI development stacks, OpenAI, Anthropic, AWS Bedrock
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2mo
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Senior AI Engineer (US)
Boston or New York City
HybridFull Time
Assail
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.
Python, PyTorch, Hugging Face, DeepSpeed, FSDP, accelerate, vLLM, TensorRT-LLM, Kubernetes
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4w
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Software Engineer, Full Stack, Developer Productivity
Boston, Massachusetts, United States
$148k-$200k/yr HybridFull Time
Benchling
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.
React, Node.js, Python
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1mo
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Forward Deployed Engineer, AI Enablement (UR & MiR, North Reading, MA) (North Reading, MA, US)
North Reading, Massachusetts, United States
$170k-$272k/yr OnsiteFull Time
Teradyne
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
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2mo
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Lead AI/ML Software Engineer
Boston or Colorado Springs or McLean or Oahu or Remote or Tacoma or Tampa
$180k-$230k/yr RemoteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
6+ YOE6+ years in full-stack production software; distributed systems; Kubernetes and cloud-native platforms; security and compliance knowledge; top-secret clearance eligibility.
Kubernetes, Cloud, Kafka, Apache Flink, Python, Java, Go, Docker, Git, CI/CD, ML tooling
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3mo
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AI/ML Research Engineer
Boston or San Francisco
OnsiteFull Time
Manifold Bio
Manifold Bio: Designing tissue-targeted protein therapeutics using AI and in vivo screening.
2+ YOE2+ years with PyTorch/JAX; Python stack; distributed computing; protein/computational biology familiarity; Git; independent problem solving; strong communication.
Python, PyTorch, JAX, NumPy, Pandas, scikit-learn, Git
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