74 fastapi jobs at 43 companies in Cambridge, MA

1mo
Save
Mark Applied
Hide
Automation Engineer - Scientific Data, AI/ML Pipelines & Integration Dev
Boston, Massachusetts, United States
HybridFull Time
Zifo
Zifo: Provides scientific informatics services for life sciences R&D organizations.
3+ YOEProficient in Python with FastAPI, SQL/NoSQL, AWS, CI/CD, data pipelines, and lab informatics.
Python, FastAPI, Flask, Django, AWS, S3, EC2, Lambda, Step Functions, RDS, Aurora, IAM, monitoring, logging, Git, GitHub Actions, GitLab CI, Jenkins, CI/CD, PyTest, unittest, mocking, pandas, NumPy, scikit-learn
1mo
Save
Mark Applied
Hide
GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
2mo
Save
Mark Applied
Hide
Senior Software Engineer, App
Cambridge or San Francisco
$144k-$240k/yr HybridFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
5+ YOEBachelor’s or Master’s in CS/Engineering; 5-8+ years backend/full-stack exp; React, TypeScript, FastAPI, Python; AWS, Kubernetes; AI tooling; strong collaboration.
React, TypeScript, Nx, Tailwind, FastAPI, Python, Pydantic, SQL, NoSQL, AWS, Kubernetes, Terraform, GitHub Actions
4d
Save
Mark Applied
Hide
Python Full Stack Developer
Boston or Princeton
$76k-$120k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's or equivalent experience; strong Python and React JS skills; RESTful API development (FastAPI/Flask/Django); strong SQL/RDBMS knowledge; good communication and SDLC experience.
Python, React JS, FastAPI, Flask, Django, SQL Server, Oracle, PostgreSQL, MySQL, JavaScript
1mo
Save
Mark Applied
Hide
Senior Machine Learning Engineer
Dallas or Boston or United States
OnsiteFull Time
Quantiphi
Quantiphi: Provides applied AI research and data engineering services.
3+ YOEProven experience building production ML services with Python and FastAPI, designing SDKs, agentic workflows, and CI/CD using Jenkins and GitLab Runners; 3+ years experience preferred.
Python, FastAPI, Jenkins, GitLab Runners, PyVegas, Galileo, Docker, Kubernetes
1mo
Save
Mark Applied
Hide
Founding Machine Learning Engineer
Boston, Massachusetts, United States
OnsiteFull Time
OneScreen.ai
OneScreen.ai: Platform for buying and measuring out-of-home advertising.
Ownership of a production ranking/matching/recommendation system; strong Python (NumPy, Pandas, FastAPI, SQLAlchemy), SQL and modern data warehouse experience (BigQuery preferred); modeling and evaluation rigor for ranking and retrieval.
Python, NumPy, Pandas, FastAPI, SQLAlchemy, SQL, BigQuery, H3, PostGIS, GeoPandas, pgvector, FAISS, dbt
1w
Save
Mark Applied
Hide
Senior AI Engineer
Seattle or Cambridge or Princeton or Madison
$138k-$183k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNYSE: BMY: Develops and manufactures innovative prescription biopharmaceutical medicines.
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
2mo
Save
Mark Applied
Hide
Senior Application Engineer
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
5+ YOE5+ years in software/cloud engineering; AWS-native; Python/FastAPI; TypeScript/Node; CI/CD; experience with LLM/agentic AI; MCP/FastMCP; security, IAM, VPC; knowledge of data stores.
Python, FastAPI, TypeScript/Node, AWS, Terraform, AWS CDK, CloudFormation, LangGraph, LangChain, PydanticAI, OpenAI, Anthropic, Gemini, AWS Bedrock
3w
Save
Mark Applied
Hide
Senior Machine Learning Engineer (10187)
Seattle or Salem
$110k-$160k/yr HybridFull Time
Extreme Networks
Extreme NetworksNASDAQ: EXTR: Provides cloud-managed networking hardware and software solutions.
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Somerville or Washington
$160k-$190k/yr HybridFull Time
VIA
VIA: Building secure, resilient digital infrastructure and AI solutions.
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
3mo
Save
Mark Applied
Hide
Python - Senior Developers - AI Training - Boston, USA
Boston or United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
5+ YOEBSc or higher in CS/software engineering, senior Python development experience, strong knowledge of GIL, asyncio, decorators, generators, and modern Python 3.x features; experience with Django/FastAPI/Flask and pytest/unittest.
Python 3.x, Django, FastAPI, Flask, pytest, unittest, coverage.py, tox, GraphQL, asyncio, RESTful APIs
1mo
Save
Mark Applied
Hide
Staff Software Engineer (Backend)
Boston or Cambridge
HybridFull Time
Axiomatic AI
Axiomatic AI: Verified AI platform for scientific and engineering hardware design.
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
Save
Mark Applied
Hide
AIML Software Engineer, AI for Science
London or San Francisco or Zug or Heidelberg or Cambridge
$136k-$227k/yr HybridFull Time
GSK
GSKLondon Stock Exchange: GSK: Develops and manufactures innovative vaccines and specialty medicines.
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
1d
Save
Mark Applied
Hide
Director – Data & Systems Engineering
Boston, Massachusetts, United States
$200k-$240k/yr HybridFull Time
Boston Energy Trading and Marketing
Boston Energy Trading and MarketingTokyo Stock Exchange: 8058: Optimizes power generation assets and trades wholesale energy commodities.
15+ YOE7+ MgmtBachelor's degree and 15+ years in software/data/platform engineering with 7+ years leading teams; deep expertise in Python, Snowflake, Databricks, FastAPI, distributed systems; experience with AI/LLM platforms and production operations.
Python, Snowflake, FastAPI, Redis, PostgreSQL, Databricks, Microsoft Azure, APIs, Distributed Systems, AI/LLM Platforms, Snowflake Cortex, Microsoft Azure OpenAI, Microsoft Azure AI Services, LangGraph, Semantic Kernel, MCP
2w
Save
Mark Applied
Hide
Senior Data Engineer
Irving or Woonsocket or Wellesley or New York City or Blue Bell
$93k-$222k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years data engineering experience in cloud environments; strong Python (Flask/FastAPI), SQL, cloud-native architectures (GCP preferred; Azure/AWS acceptable), experience with AI/LLM workflows and production-grade data pipelines.
GCP, Azure, AWS, Python, Flask, FastAPI, BigQuery, SQL, Airflow, Dataflow, Pub/Sub, Cloud Functions, Vertex AI, Azure Data Factory, AWS Glue, Copilot, Cursor AI, Claude Code, LLMs, RAG, MCP
2w
Save
Mark Applied
Hide
Senior Software Engineer
Boston or Encinitas
$142k-$192k/yr OnsiteFull Time
Paperless Parts
Paperless Parts: Cloud-based quoting software for custom part manufacturers.
5+ YOE5+ years experience building full-stack web applications; strong Python (Django/FastAPI), TypeScript/React, AWS, PostgreSQL, Docker, and CI/CD (Jenkins) experience; API design and mentoring skills; US citizenship or green card required.
Python, Django, FastAPI, TypeScript, React, PostgreSQL, AWS, Docker, Jenkins, Node/Express, Java/Spring
1mo
Save
Mark Applied
Hide
AI Engineer – Agentic AI – Remote (all genders)
Bad Säckingen or Boston
RemoteFull Time
eschbach
eschbach: Enterprise software for shift operations in process manufacturing industries.
5+ YOE5+ years Python/backend experience; hands-on LLM agent development (tool calling, orchestration, memory/context, MCP); FastAPI, SQL, Kubernetes/Docker knowledge; fluent English and German (min B2); strong API, security, and system-design skills.
Python, pydantic-ai, LangGraph, LangChain, CrewAI, Model Context Protocol (MCP), FastAPI, SSE, WebSockets, SQL, Kubernetes, Docker, React, TypeScript, Tailwind
3mo
Save
Mark Applied
Hide
Sr. Principal or Engineering Advisor - Agentic Lab Automation Integration
Indianapolis or San Diego or South San Francisco or San Francisco or Boston
$87k-$222k/yr OnsiteFull Time
Eli Lilly and Company
Eli Lilly and CompanyNYSE: LLY: Researches and manufactures medicines for human health.
PhD (or MS +2 yrs / BS +5 yrs) in engineering/robotics or related field with wet-lab automation experience; experience with LIMS, lab automation platforms, integrating software/AI with instruments; Docker, Kubernetes, Python, Redis, FastAPI, flask, streamlit, pytest.
LIMS, Hamilton, Tecan, Opentrons, Docker, Kubernetes, Argo, Redis, FastAPI, flask, streamlit, pytest, Python, GitHub, GitOps, CI/CD, LLM, RLHF
1mo
Save
Mark Applied
Hide
Cloud Engineer
Boston, Massachusetts, United States
$110k-$165k/yr OnsiteFull Time
Arrowstreet Capital
Arrowstreet Capital: Manages global equity portfolios using systematic quantitative models.
5+ YOEBachelor's degree and 5+ years experience; strong Python software engineering; 1-2 years cloud automation (AWS/boto3) experience; experience with Flask/FastAPI/Swagger, CI/CD (Git/GitLab/GitHub/GitLab CI/Jenkins), Linux, and Agile practices.
Python, boto3, Flask, FastAPI, Swagger, Git, GitLab, GitHub, GitLab CI, Jenkins, AWS, Linux
1mo
Save
Mark Applied
Hide
Technical Commerce & AI Manager | Agentic Commerce
Chicago or Milwaukee or Herndon or Dallas or Columbus or Kirkland or Irvine or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Arlington or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$266k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOE8+ years delivering digital commerce or marketing-technology transformations; hands-on Python and SQL experience; experience with Generative/Agentic AI, Agentic AI frameworks, cloud deployments (AWS/Azure/GCP), FastAPI, Databricks, CI/CD and Kubernetes; consulting and stakeholder leadership.
Python, SQL, LangChain, LlamaIndex, CrewAI, AutoGen, LangGraph, FastAPI, Databricks, AI/BI Genie, LLM-as-a-Judge, Mosaic AI Gateway, Redis, Kubernetes, CI/CD, AWS, Azure, GCP, Adobe Commerce, SAP CX, Salesforce Commerce, MCP