146 fastapi developer jobs at 58 companies in Sanborn, NY
2d
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Remote Backend Engineer (Python/FastAPI)
United States or Toronto
$200-$300/hr RemoteContract
3+ YOE3+ years of software engineering experience; strong Python and JavaScript expertise, including React and Node.js; experience deploying scalable production software and evaluating code quality.
Python, FastAPI, JavaScript, React, Node.js, C, C++, Java, Rust, Go
3w
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Software Engineer
Toronto or New York City
RemoteFull Time
1+ YOE1-4 years full-stack web development experience; proficiency with TypeScript, React, Python/FastAPI, Postgres, AWS; experience with APIs, state machines, and customer-facing iteration.
TypeScript, React, Python, FastAPI, Postgres, AWS
1w
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Software Developer - Euna Budget
Oakville or Atlanta
$94k-$118k/yr HybridFull Time
2+ YOERequires 2–5 years of software development experience, Python or TypeScript/JavaScript fundamentals, 1+ year building AI solutions with agentic frameworks, RESTful API experience, and FastAPI or Express familiarity.
Python, TypeScript, JavaScript, MCP, RESTful APIs, FastAPI, Express, AWS, Azure, Claude Agent SDK, OpenAI Agents SDK, LangGraph, AI-DLC
2w
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Full Stack Developer Advanced
Toronto, Ontario, Canada
$90k-$110k/yr OnsiteFull Time
8+ YOERequires Python, FastAPI, RESTful API design, TypeScript, Angular 19+, AG Grid, GitHub Copilot, scalable API development, and strong communication and problem-solving skills.
Python, FastAPI, GitHub Copilot, TypeScript, Angular, AG Grid
1mo
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Senior Software Developer
Edmonton or Toronto
$79k-$114k/yr OnsiteFull Time
5+ YOE5+ years software development experience; expert Python (Django/FastAPI/Flask); front-end experience (Angular, HTMX, Alpine.js); PyTest, Playwright, Locust.io; Oracle, MS-SQL Server, PostgreSQL; Docker and Kubernetes/OpenShift; Bachelor’s in Computing Science required.
Python, Django, FastAPI, Flask, Angular, HTMX, Alpine.js, PyTest, Playwright, Locust.io, Oracle, MS-SQL Server, PostgreSQL, Docker, Kubernetes, OpenShift, Java, JSF, ADF, C#
2mo
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Software Engineer – Cloud & Python
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
3+ YOERequires 3–5 years of application development experience, including 3+ years with Python, RESTful APIs, FastAPI, Airflow, Kafka, cloud technologies, databases, Docker, CI/CD, and observability tools.
Python, Apache Airflow, REST, JSON, FastAPI, Apache Kafka, Amazon S3, SQL Server, Oracle Database, Amazon EKS, Docker, CI/CD, Grafana, OpenTelemetry, Trino, Starburst, Pinot, Spark
1mo
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Senior Software Engineer - Python
Toronto or San Francisco
$130k-$225k/yr RemoteFull Time
5+ YOE5+ years software development with production-level Python, enterprise SaaS/scale experience, proficiency with Python, Git, FastAPI, Pydantic, strong communication and mentorship skills, and unrestricted right to work in the U.S.
Python, Git, FastAPI, Pydantic
4d
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Senior Full Stack Developer (Global Security)
Toronto, Ontario, Canada
OnsiteFull Time
7+ YOERequires 7+ years developing production systems, strong Python backend skills with Django or FastAPI, scalable application expertise, stakeholder requirements gathering, and delivery across concurrent projects.
Python, Django, FastAPI, Vue.js, TypeScript, Tailwind, NuxtJS, React, OpenShift, Microsoft Azure, Azure Entra ID, SQL, NoSQL, LLMs, RAG
2w
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Software Engineer (Python) - PricingCenter
Mississauga or Toronto
$106k-$132k/yr HybridFull Time
4+ YOE4+ years professional software development experience; strong Python backend skills, cloud experience (AWS/GCP/Azure), familiarity with FastAPI/Flask, SQLAlchemy, Pydantic, containerization, CI/CD, and strong communication.
Python, Flask, FastAPI, SQLAlchemy, Pydantic, Celery, Docker, Kubernetes, Github Actions, Postgres, Redis, TypeScript, React, NumPy, pandas, Polars, AWS, GCP, Azure, LLMs, Claude, Copilot
1mo
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Gen AI Python Developer - Assistant Vice President
Mississauga, Ontario, Canada
$94k-$142k/yr HybridFull Time
5+ YOE5+ years in applications development with expert Python, experience delivering complex projects, knowledge of web frameworks (Django/Flask/FastAPI), REST APIs, cloud, containers, CI/CD, and AI/ML toolsets.
Python, PostgreSQL, Oracle, SQL Server, MongoDB, Cassandra, Redis, RESTful APIs, Jenkins, GitLab CI, GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, Pytest, unittest, TensorFlow, PyTorch, scikit-learn, Copilot, Devin, Windsurf, Antigravity, Claude, Gemini, GPT, Django, Flask, FastAPI, Git, React, Angular, Vue.js, Java
2mo
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AI/ML Engineer (Senior Associate) - Remote
Chicago or Toronto or United States or Canada
$130k-$160k/yr RemoteFull Time
3+ YOE3+ years AI/ML development experience, Bachelor’s in CS/Engineering/Data Science, proficiency in Python, familiarity with scikit-learn/PyTorch/TensorFlow/OpenAI APIs, cloud platforms (Azure, AWS) and Docker, API development experience (FastAPI/Flask).
Python, scikit-learn, PyTorch, TensorFlow, OpenAI APIs, LangGraph, AutoGen, CrewAI, FastAPI, Flask, Azure, AWS, Docker, vector databases, Azure Machine Learning, AWS SageMaker, Google AI/ML services, MLOps, CI/CD, MCP
1mo
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Senior AI Full Stack Engineer
Toronto or Halifax
$110k-$120k/yr HybridFull Time
6+ YOEBachelor's in CS or equivalent,6+ years software development,2+ years building GenAI/LLM apps,experience with Dagster,dbt,Python,FastAPI,React,TypeScript and RAG/LLM integrations; strong communication and Agile experience.
Dagster, dbt, Python, FastAPI, React, TypeScript, TanStack, TailwindCSS, Model Context Protocol (MCP), RAG, LLM, Docker, Kubernetes, CI/CD, GitHub Actions, PostgreSQL, Snowflake, Databricks, Azure, AWS
3mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
7+ YOE7+ years in software/platform engineering or architecture; hands-on with Python (FastAPI), JavaScript/TypeScript (ReactJS), API design, SQL, cloud platforms (Azure/AWS/Google Cloud); experience leading enablement teams and improving developer productivity.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Azure, AWS, Google Cloud, SonarCloud, LinearB, Datadog, Backstage
2mo
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Sr. AI Engineer
Toronto or Newfoundland and Labrador or Alberta or British Columbia or North Dakota or New Brunswick or Nova Scotia or Oakville or Ottawa or Calgary
$91k-$114k/yr OnsiteFull Time
6+ YOE6+ years technical experience; strong Python and frameworks (Flask, langchain, llamaindex, FastAPI); Azure OpenAI and LLM experience; CI/CD, Docker/Kubernetes, Terraform, Azure API Management; prompt engineering and RAG/indexing expertise.
Python, Flask, langchain, llamaindex, FastAPI, Microsoft Azure OpenAI Service, Microsoft Azure API Management, Microsoft Azure DevOps, Jenkins, CircleCI, GitLab Actions, Docker, Kubernetes, Microsoft PromptFlow, Microsoft Azure AI Search, Terraform, RESTful API
1mo
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Principal Engineer, CoCounsel
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Bachelor's degree (or equivalent) in CS or CE, deep Python and distributed systems experience, hands-on AI/LLM and agent experience, FastAPI/PostgreSQL/AWS familiarity, identity/IAM (SAML, OIDC, OAuth 2.0) expertise, strong communication.
Python, FastAPI, PostgreSQL, AWS, SSO, SAML, OIDC, OAuth 2.0, RBAC, ABAC, Anthropic, OpenAI, LLMs, MCP servers, vector databases, embeddings, semantic search
2mo
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Full Stack Engineer
New York or Toronto
HybridFull Time
4+ YOE4+ years full-stack/API experience; strong Python, SQL, JavaScript/TypeScript, React/Next.js; experience with FastAPI, LLM inference pipelines, and frontend tools like TailwindCSS and state/query libraries.
Python, FastAPI, Next.js, React, JavaScript, TypeScript, TailwindCSS, Redux, Zustand, TanStack Query, SWR, SQL, LLM
1mo
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Senior Software Engineer, Backend
Toronto, Ontario, Canada
$120k-$160k/yr HybridFull Time
5+ YOE5+ years backend experience, career-focused on Python; production experience with Django or similar (FastAPI/Flask); PostgreSQL, REST APIs, Celery, Redis, Git; strong debugging, ownership, and scalability skills.
Python, Django, FastAPI, Flask, PostgreSQL, REST APIs, Celery, Redis, Git, AWS, NumPy, pandas
3mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
7+ YOE7+ years in software/platform engineering/architecture; strong Python (FastAPI), JavaScript/TypeScript (ReactJS); API design; DB design and SQL; cloud (Azure/AWS/GCP); leadership in enablement; internal developer platforms; experience with SonarCloud/LinearB/Datadog preferred.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Datadog, SonarCloud, LinearB, Backstage
2mo
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AI Design Engineer - AVP
Mississauga, Ontario, Canada
$94k-$142k/yr HybridFull Time
1+ YOEBuild and integrate AI agents and tool interfaces; strong Python and FastAPI skills; familiarity with LLMs, PyTorch/TensorFlow, prompt engineering, RAG, LangChain/LlamaIndex, CI/CD and design-system integration.
Python, FastAPI, PyTorch, TensorFlow, LangChain, LlamaIndex, LangGraph, Gemini, OpenAI (GPT series), Claude, Llama, Model Context Protocol (MCP), Function Calling, Retrieval-Augmented Generation (RAG), CI/CD, MLOps, Figma API, React, Vue, Angular, HTML, CSS
2mo
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Senior AI Engineer
Zurich or Toronto or New York City or London or Berlin or Manila or Tokyo
HybridFull Time
5+ YOE5+ years software engineering experience with 2–3 years building AI agents; experience with LangChain/LangGraph, Model Context Protocol (MCP)/FastMCP, Databricks or Snowflake, Python, FastAPI, Postgres, gRPC, AWS, and observability tools (LangSmith/LangFuse). Master's preferred; valid work permit required.
Model Context Protocol (MCP), FastMCP, Databricks, Snowflake, LangChain, LangGraph, LangSmith, LangFuse, Python, FastAPI, gRPC, Postgres, SQLAlchemy, AWS, AWS Bedrock, Bedrock AgentCore, Kubernetes, Claude Code, Cursor
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