24 fastapi developer jobs at 16 companies in Gardner, MA
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Senior Software Engineer
Framingham, Massachusetts, United States
HybridFull Time
7+ YOE7+ years software development experience; bachelor's in CS/EE or related; proficiency in distributed systems and AWS; Python and FastAPI/Nuxt/Celery experience; mentoring and strong communication.
AWS, Python, FastAPI, Nuxt, Celery, MQTT
2mo
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Staff Software Engineer (Backend)
Boston or Cambridge
HybridFull Time
10+ YOE10+ years backend development with 2+ years in a staff/principal role; deep Python and FastAPI experience; distributed systems, SQLAlchemy/PostgreSQL, GCP, AI/LLM integration, technical leadership, RFCs and architecture design.
Python, FastAPI, SQLAlchemy, Pydantic AI, FastMCP, Alembic, PostgreSQL, Redis, REST, WebSockets, SSE, MCP, Anthropic Claude, Google Gemini, OpenAI, Vertex AI Model Garden, Mistral OCR, Google Cloud Platform, Cloud Run, Cloud SQL, GCS, VPCs, IAM, Auth0, Terraform, Docker, GitHub Actions, Logfire, Sentry, OpenTelemetry, pytest, pytest-asyncio, pytest-cov
1mo
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Senior Machine Learning Engineer (10187)
Seattle or Salem
$110k-$160k/yr HybridFull Time
4+ YOEBachelor's degree in math/computer science, 4+ years software development experience, strong Python, FastAPI, Docker, Kubernetes, cloud architecture experience, ML familiarity (PyTorch, Sagemaker) and leadership/mentorship experience.
Python, FastAPI, Docker, Kubernetes, CI/CD, AWS, Azure, Google Cloud, PyTorch, Sagemaker, Triton, TensorRT, NoSQL
2mo
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Senior Software Engineer, Lab Software
Cambridge, Massachusetts, United States
$144k-$210k/yr OnsiteFull Time
5+ YOESenior backend-focused software engineer with 5-8+ years of experience building large-scale systems; full-stack development; Python, FastAPI, React, TS, SQL/NoSQL; cloud, AWS, Kubernetes; collaboration with scientists.
React, TypeScript, Tailwind, FastAPI, SQL, NoSQL, Python, Pydantic, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions, Airflow, Prefect, Temporal, Dagster
3w
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Senior AI Engineer
Seattle or Cambridge or Princeton or Madison
$138k-$183k/yr OnsiteFull Time
5+ YOEBachelor's degree,5+ years building and scaling cloud-native AI applications,proficiency in Python/FastAPI or TypeScript/Node,AWS experience,LLM/agent integration,CI/CD and infra-as-code knowledge.
AWS, Claude, LangSmith, Python, FastAPI, TypeScript, Node, LangGraph, Claude Agent SDK, LangChain, PydanticAI, Anthropic, OpenAI, Gemini, Grok, AWS Bedrock, Terraform, AWS CDK, CloudFormation, GitHub, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, GitHub Copilot, LangSmith, promptfoo
3w
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Senior AI Engineer
Seattle or Madison or Princeton or Cambridge
$138k-$183k/yr OnsiteFull Time
5+ YOE5+ years building cloud-native AI applications integrating LLMs, agents, retrieval, and workflows; strong Python/FastAPI or TypeScript/Node skills; AWS experience; knowledge of secure, observable, production AI patterns.
Python, FastAPI, TypeScript, Node, LangGraph, Claude Agent SDK, LangChain, PydanticAI, MCP, FastMCP, Anthropic, OpenAI, Gemini, Grok, AWS Bedrock, AWS, Terraform, AWS CDK, CloudFormation, GitHub, LangSmith, promptfoo, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, GitHub Copilot
1mo
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Senior Software Engineer
Somerville or Washington
$160k-$190k/yr HybridFull Time
5+ YOEBachelor's in CS/Math/Engineering/Science, 5+ years full-stack/backend experience, cloud microservices, cryptography, Istio, FastAPI, Docker, Helm, SQL/NoSQL, CI/CD, automated testing, strong communication.
Istio, FastAPI, Docker, Helm, OAuth2, IETF RFCs, SQL, NoSQL
1mo
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Forward Deployed Engineer
Cambridge, Massachusetts, United States
$100k-$130k/yr HybridFull Time
Full-stack engineer experienced with Python/FastAPI, PostgreSQL, AWS, and a modern JS framework; strong client-facing experience and ability to deliver production-ready customer solutions.
Python, FastAPI, PostgreSQL, AWS, Svelte, React, Vue
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AIML Software Engineer, AI for Science
London or San Francisco or Zug or Heidelberg or Cambridge
$136k-$227k/yr HybridFull Time
Degree in a quantitative/engineering discipline or equivalent experience; advanced Python and FastAPI programming; experience with GCP/Azure and cloud-native architectures; familiarity with PyTorch/JAX/TensorFlow, CI/CD, containerization, SQL and production monitoring.
Python, FastAPI, GCP, Azure, PyTorch, JAX, TensorFlow, CI/CD, Kubernetes, Google Kubernetes Engine, Cloud Run, Cloud Storage, Artifact Registry, Cloud SQL, SQL, Terraform, shell scripting
1mo
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Senior Software Development Engineer
Cambridge, Massachusetts, United States
$125k-$160k/yr HybridFull Time
8+ YOE8+ years software development experience, proven technical leadership, production experience with generative AI, cloud-native architectures, full-stack development, and a bachelor's in CS or equivalent practical experience preferred.
Python, JavaScript, TypeScript, C#, Java, React, Vue, Angular, Node.js, Express, FastAPI, Django, Flask, ASP.NET, Spring Boot, PostgreSQL, SQL Server, DynamoDB, MongoDB, LLM APIs, AWS, Azure, GCP, Docker, Kubernetes, Terraform, CloudFormation
4d
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Staff Forward Deployed Engineer
Somerville or Weirton
$129k-$185k/yr HybridFull Time
8+ YOERequires 8+ years building production software, strong full-stack skills, AI-assisted development, data modeling, domain collaboration, Git, testing, CI/CD, Docker, and containerized deployment; Kubernetes is a plus.
React, Next.js, TypeScript, Python, FastAPI, PostgreSQL, SQLAlchemy, Git, Docker, Kubernetes, Snowflake, Oracle, Arena, Jama, Microsoft Entra ID, OIDC, dbt
2mo
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Software Engineer, Data Science
Cambridge, Massachusetts, United States
$120k-$162k/yr OnsiteFull Time
6+ YOEBachelor's with 8+ years or Master's with 6+ years; strong full-stack with Python backend and React frontend; REST APIs; CI/CD; relational DBs; microservices/microfrontend experience preferred.
Python, Flask, FastAPI, React, CI/CD, Relational Databases
3d
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Machine Learning Engineer
Cambridge, Massachusetts, United States
OnsiteFull Time
5+ YOEBSc/MSc in computer science, electrical engineering, or related field; 5+ years of applied ML experience; strong machine learning, Python, PyTorch, data, software engineering, and communication skills.
FastAPI, Python, Postgres, Blob Storage, Parquet, PyTorch, Ray, Azure, Kubernetes, Helm, Next.js, TypeScript, Tailwind, Android, Kotlin
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Senior Software Engineer - Backend Python
Nashua, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
6+ YOEBachelor's in CS or related, 6+ years backend Python experience, mastery of Python 3.x and AsyncIO, gRPC/Protobuf, Docker/Kubernetes, PostgreSQL, and ability to obtain U.S. Secret clearance.
Python, AsyncIO, gRPC, Protocol Buffers (Protobuf), FastAPI, Flask, Django, PostgreSQL, SQLAlchemy, Docker, Kubernetes, Kafka, RabbitMQ, Redis, C#, OAuth2, JWT
5d
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Director, AI Platform Engineering
San Francisco or Boston or Waltham or New York City
$200k-$230k/yr HybridFull Time
10+ YOE5+ MgmtRequires 10+ years in software engineering, 5+ years in engineering leadership, production platform expertise, AI/ML ecosystem knowledge, cloud infrastructure experience, and Python backend development.
LangGraph, MCP, AG-UI, CrewAI, AutoGen, OpenAI, Anthropic, AWS Bedrock, Kubernetes, Docker, Terraform, Python, FastAPI, SSE, WebSocket, GraphQL, dbt, Module Federation
2mo
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Principal Scientist, Machine Learning - Biomolecules
Cambridge, Massachusetts, United States
$208k-$286k/yr OnsiteFull Time
5+ YOEMaster's or PhD in ML/computational field with 5+ years scientific/engineering experience; leadership experience; expertise in Python, modern ML frameworks (PyTorch/JAX/TensorFlow), MLOps and cloud infrastructure; strong publication or patent record.
Python, PyTorch, JAX, TensorFlow, DVC, LakeFS, MLflow, W&B, S3, Batch, ECS, EKS, SageMaker, Docker, Terraform, CDK, GitHub Actions, gnina, DiffDock, Airflow, Prefect, Argo, Redshift, Snowflake, FAISS, pgvector, FastAPI, Streamlit, Gradio
1mo
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Associate Dir, Full Stack Data Scientist
Cambridge or Whippany
$132k-$197k/yr OnsiteFull Time
Master's degree in a quantitative field, experience building full-stack data science applications, proficiency with frontend (React/Angular/Vue.js), backend (Node.js, Python, Java), cloud (AWS/GCP/Azure), containerization, CI/CD, databases, ML workflows, and pharma GxP/CSV compliance.
React, Angular, Vue.js, Cursor, Node.js, Python, Flask, FastAPI, Django, Java, RESTful APIs, GraphQL, WebSockets, AWS, GCP, Azure, Docker, Kubernetes, CI/CD pipelines, Git, SQL, PostgreSQL, MySQL, NoSQL, MongoDB, Redis, D3.js, Plotly, MLOps
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