South Peabody • 50 milesRemote · Hybrid · Onsite · Field · All Environments
South Peabody • 50 milesRemote · Hybrid · Onsite · Field · All Environments
South Peabody • 50 milesRemote · Hybrid · Onsite · Field · All Environments
South Peabody • 50 milesRemote · Hybrid · Onsite · Field · All Environments
75 fastapi developer jobs at 42 companies in South Peabody, MA
3d
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Senior Software Engineer
Bengaluru or Framingham or Sweden or India
OnsiteFull Time
7+ YOERequires 7+ years of Python backend development, Django or FastAPI, RESTful APIs, microservices, WebSockets, Redis, PostgreSQL, Docker, Kubernetes, Git, JIRA, Linux, and agile Scrum experience.
Python, Django, FastAPI, WebSockets, Redis, PostgreSQL, SQLAlchemy, Django ORM, Linux, Docker, Kubernetes, Git, JIRA
3mo
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Principal Software Engineer - Python
Boston, Massachusetts, United States
$150k-$300k/yr RemoteFull Time
12+ YOE12+ years of production Python development; enterprise SaaS; open-source tools; FastAPI; Pydantic; strong English communication; unrestricted right to work in the United States.
Python, Git, FastAPI, Pydantic
4d
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Senior Python Developer
Boston or Montreal or India or Brossard
HybridFull Time
5+ YOESenior Python engineering experience with FastAPI, Pydantic, AWS, cloud-native systems, databases, APIs, automated testing, CI/CD, and Generative AI or agentic frameworks.
Python, FastAPI, Pydantic, AWS, PostgreSQL, NoSQL, CI/CD, Generative AI, Unit testing, Regression testing, Integration testing, Performance testing
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
1mo
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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
2mo
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Automation Engineer - Scientific Data, AI/ML Pipelines & Integration Dev
Boston, Massachusetts, United States
HybridFull Time
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
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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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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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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
1mo
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Senior Software Engineer
Boston or Encinitas
$142k-$192k/yr OnsiteFull Time
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
3w
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Senior Full Stack Software Developer
Boston, Massachusetts, United States
$170k-$190k/yr HybridFull Time
7+ YOE7+ years full stack experience with React, TypeScript, Python (Django/FastAPI), SQL, cloud platforms (Azure), Git, CI/CD, and Terraform; strong communication, debugging, and mentorship skills; financial modeling experience a plus.
React, TypeScript, Python, Django, FastAPI, SQL, Git, CI/CD, Terraform, Azure
1mo
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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
1w
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Clinical Imaging Platform Engineer
Anywhere in the world
$140k-$180k/yr HybridFull Time
Build clinical imaging software across React, TypeScript, Python, FastAPI, DICOM, AWS, and annotation systems, with strong product engineering, metrics, coordinate systems, and patient-data safety skills.
React, TypeScript, Vite, Cornerstone3D, VTK.js, Jotai, TanStack Query, Tailwind, Playwright, Python, FastAPI, pytest, AWS, Terraform, DynamoDB, Amazon S3, Cognito, SQS, ECS, Lambda, DICOM, DICOMweb, HTJ2K, NIfTI, RLE
1mo
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Principal Quant Developer
Boston or Jersey City
$107k-$216k/yr OnsiteFull Time
6+ YOEBachelor's degree and 6 years of senior quant development experience, or master's degree and 4 years of lead quant development experience; expertise in Python, PL/SQL, quantitative finance, cloud, and production systems.
Python, PL/SQL, R, Gurobi, CPLEX, Axioma, SciPy, SQL, Oracle, Snowflake, NoSQL, Autosys, Airflow, REST APIs, FAST API, Flask, AWS, Lambda, S3, EKS, EC2, Docker, Kubernetes, Linux, Jenkins, GitHub, SageMaker, Bedrock, MLflow, LangGraph, LangChain
1d
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Senior Lead Software Engineer, Developer Infrastructure
Boston, Massachusetts, United States
$216k-$324k/yr OnsiteFull Time
12+ YOERequires 12 years of software development experience, distributed systems and architecture expertise, programming and cloud proficiency, and strong leadership and communication skills. Bachelor's degree or equivalent experience required.
Go, Python, AWS, Azure, GCP, Kubernetes, Docker, Terraform, Pants, FastAPI, Django, React, Buildkite, Apache Kafka, Apache Pulsar, RabbitMQ, Spark, Airflow, MySQL, PostgreSQL, ClickHouse, Redis, TypeScript, Babel, Jest, Webpack, Graphite, StatsD, Chronosphere, Pantsbuild, Argo
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
3w
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Kearney Activate - Full Stack Developer
Washington or Arlington or Boston or United States
$90k-$130k/yr FieldFull Time
1+ YOEEarly-career full-stack developer with 1+ years (1–3 preferred) experience or equivalent projects; foundational React/TypeScript and Python, REST and SQL familiarity, Git, cloud and container exposure, strong communication and curiosity.
React, TypeScript, Python, REST, SQL, Git, FastAPI, Docker, AWS, Azure, Google Cloud, CI/CD
3w
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Kearney Activate - Full Stack Developer
Washington or Arlington or Boston or United States
$90k-$130k/yr OnsiteFull Time
1+ YOEEarly-career full-stack developer with 1–3 years of experience or equivalent aptitude; foundational React/TypeScript and Python, SQL, Git, REST API knowledge; ability to obtain U.S. Secret clearance; strong communication and client-facing skills.
React, TypeScript, Python, FastAPI, SQL, Git, Docker, AWS, Azure, Google Cloud, CI/CD, REST API
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