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Senior Fastapi Jobs in Howell, NJ (NOW HIRING)

Newcode.ai

Senior FastAPI Developer

New York, NY · On-site

$59.50 - $78.75/hr

FastAPI: 3+ years * PostgreSQL / SQL * Redis: 2+ years Nice to have: RAG or vector search experience; LangChain or LlamaIndex; streaming over SSE, WebSocket or SignalR; Microsoft Graph and email ...

Newcode.ai

Senior FastAPI Developer

New York, NY

$59.50 - $78.75/hr

FastAPI: 3+ years * PostgreSQL / SQL * Redis: 2+ years Nice to have: RAG or vector search experience; LangChain or LlamaIndex; streaming over SSE, WebSocket or SignalR; Microsoft Graph and email ...

Newcode.ai

Senior FastAPI Developer

New York, NY · On-site

$59.50 - $78.75/hr

FastAPI: 3+ years * PostgreSQL / SQL * Redis: 2+ years Nice to have: RAG or vector search experience; LangChain or LlamaIndex; streaming over SSE, WebSocket or SignalR; Microsoft Graph and email ...

Biograph

Senior Fullstack Software Engineer

New York, NY · Hybrid

$150K - $200K/yr

Biograph is looking for senior software engineers to help us scale a data driven approach to ... NextJS and Django/FastAPI. * Core services - connect and utilize the world's health data to improve ...

Good Inside

Senior Platform Engineer

New York, NY · Hybrid

$195K - $205K/yr

The Opportunity Good Inside is looking for a Senior Platform Engineer. You'll have a massive impact ... Python, FastAPI & SQLAlchemy experience (bonus, but not required). * Familiarity with Dart ...

The Cypress Group

Senior Software Engineer

New York, NY

$185K - $250K/yr

Python, FastAPI, Async Python, MongoDB / NoSQL DBs, AWS, Terraform, Kubernetes, Temporal, SpiceDB ... The Senior Software Engineer will be responsible for approximatly 70% Backend coding and 30 ...

Revin AI

Senior Software Engineer

New York, NY · On-site

$200K - $275K/yr

Senior Software Engineer Location: New York, NY (on-site, 5 days a week) Compensation: $200,000 ... You'll work end-to-end across a Python/FastAPI backend, a Next.js/TypeScript dashboard, and the ...

Atrix AI

Senior Backend Engineer (AI Focus)

New York, NY · On-site

$140K - $190K/yr

Who we are A small, senior team with roots at Google, a16z, Plaid, and Kickstarter. Seed stage ... Our FastAPI-based backend services, including REST APIs serving complex AI workflows * Database ...

Good Inside

Senior Platform Engineer

New York, NY · On-site +1

$195K - $205K/yr

The Opportunity Good Inside is looking for a Senior Platform Engineer. You'll have a massive impact ... Python, FastAPI & SQLAlchemy experience (bonus, but not required). * Familiarity with Dart ...

MBR Partners

Senior Software Engineer

New York, NY · Remote

$150K/yr

With a back-end team in the Philippines, I'm currently hiring for a Senior Software Engineer ... FastAPI Experience with React, Redux (RTK), CSS modules Experience with CI/CD, Clouds (AWS/GCP ...

Doctronic Inc

Senior Backend Engineer

New York, NY · On-site

$200K - $240K/yr

Senior Backend Engineer Doctronic | New York City ONSITE (Hybrid) | Reports to CEO The Mission Let ... Scalable APIs using Python, FastAPI, AWS handling millions of monthly requests * RESTful API ...

CVS Health

Senior Data Engineer

New York, NY · On-site

$92K - $222K/yr

Position Summary We are seeking a Senior Data Engineer with a proven track record in delivering ... Develop Python-based APIs (Flask/FastAPI) to enable seamless data access, model integration, and ...

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Senior Fastapi information

See Howell, NJ salary details

$25.1K

$80.6K

$164.2K

How much do senior fastapi jobs pay per year?

As of Jun 19, 2026, the average yearly pay for senior fastapi in Howell, NJ is $80,617.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,700.00 and $103,400.00 per year, depending on experience, location, and employer.

What is the difference between Senior Fastapi vs Backend Developer?

AspectSenior FastapiBackend Developer
Primary FocusBuilding APIs with Fastapi frameworkDeveloping server-side logic across various frameworks
Required SkillsPython, Fastapi, async programming, REST API designPython, multiple frameworks (Django, Flask, Fastapi), database management
Work EnvironmentTech companies, startups, cloud-based projectsVaried industries, enterprise and startup environments
CertificationsPython certifications, Fastapi experiencePython certifications, general backend development certifications

Senior Fastapi specialists focus specifically on building high-performance APIs using the Fastapi framework, often requiring expertise in async programming and REST API design. Backend Developers have a broader scope, working across multiple frameworks and technologies to develop server-side logic. While both roles require Python skills, Senior Fastapi roles are more specialized, whereas Backend Developers have a wider range of tools and responsibilities.

Senior Fastapi jobs near you

Senior FastAPI Developer

Newcode.ai

New York, NY • On-site

$59.50 - $78.75/hr

Full-time

Posted 26 days ago

Job description

Who are we?
We build AI tools for firms in legal and professional services: software people use for real work, not demos. We started a few months ago and already have paying clients who rely on what we ship. The team is small and moving fast.
The role
You'll own the backend behind our AI features. That's the APIs, the data pipelines, and the orchestration sitting between our product and the language models doing the work. In practice it means running retrieval over large sets of documents, getting dependable results out of LLMs and their tool calls, streaming responses to the UI, and processing long jobs in the background without things falling over.
It isn't CRUD work. The hard parts here are keeping AI systems accurate and fast with confidential data, at production scale. You'll make architecture calls early and live with them.
Requirements
What You'll Do
  • Designing and building the APIs and services our products run on.
  • Working on the AI plumbing: retrieval, orchestration, tool-calling, response streaming, and the evals that tell us whether the output is any good.
  • Keeping async and distributed work reliable: document ingestion, embeddings, and long-running jobs on Redis.
  • Building integrations with the systems clients already use, like email and document stores, and making them hold up under load.
  • Taking data security and isolation seriously, since clients hand us confidential material.

Who You Are
  • At least seven years building backend systems that run in production. Depth matters more to us than the number.
  • You think about how things fail, not just how they behave when everything's fine.
  • You've built real LLM-powered systems, or you're itching to: RAG, tool-calling, agents. You know where they tend to break.
  • You use AI coding tools (Claude Code, Cursor, Copilot) and use them well. Faster output, but you understand and stand behind every line; you wouldn't approve sloppy AI-written code in review, so you don't ship it either.
  • You're fine in a startup that changes direction. Decisions get made, then revisited.

Experience we expect with the stack:
  • Python: 6+ years
  • FastAPI: 3+ years
  • PostgreSQL / SQL
  • Redis: 2+ years

Nice to have: RAG or vector search experience; LangChain or LlamaIndex; streaming over SSE, WebSocket or SignalR; Microsoft Graph and email integration work.
Benefits
Why Join Us?
  • Be a driver of innovation in one of Oslo's most exciting AI ventures
  • Work with talented peers in a collaborative, high-energy team
  • Shape both product and culture as we grow
  • Flexible, English-speaking environment

Apply