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Senior Fastapi Developer Jobs in Piscataway, NJ (NOW HIRING)

Spara, Inc

Senior AI Engineer

New York, NY · On-site

$180K - $230K/yr

Our engineering team is small and senior, and everyone has real influence on what we build and how ... FastAPI/Python, React/TypeScript, Postgres + pgvector, multiple foundation models (OpenAI ...

Regard

Senior Data Engineer

New York, NY · Remote

$165K - $220K/yr

As a Senior Data Engineer at Regard, you will own the design, development, and production ... Data: S3, Apache Iceberg, EMR, PySpark, Dagster, Kubernetes, Clickhouse, PostgreSQL, FastAPI ...

New

XFORIA Inc

Python Developer with GenAI

Jersey City, NJ · On-site

$52.50 - $72.25/hr

Fulltime Summary We are seeking an experienced Senior Python Engineer to design, build, and ... FastAPI) Strong understanding of RESTful API design and development Experience with relational ...

Scale

Sr Software Engineer

Manhattan, NY · On-site

$134K - $177K/yr

... FastAPI, PostgreSQL) to support real-time microgrid operations, telemetry data pipelines, and ... engineering, operations, and product to turn workflows into production-ready automation • ...

twenty80.io

Senior Full Stack Software Engineer

New York, NY · On-site +1

$160K - $210K/yr

About the Role A growing technology startup is hiring a Senior Full Stack Software Engineer to help ... Backend: Node.js (Express or NestJS) and/or Python (Django or FastAPI) * Databases: PostgreSQL ...

Scale Microgrid Solutions

Sr Software Engineer

New York, NY · On-site

$134K - $176K/yr

We are looking for a full-stack software engineer to build software to efficiently manage ... Architect and maintain high-performance backend services and APIs (FastAPI, PostgreSQL) to support ...

Qode

Senior SDET

Manhattan, NY · On-site

$121K - $157K/yr

... product, and DevOps teams to translate requirements into robust test solutions. * Integrate ... Flask, FastAPI, React, SQLAlchemy, PostgreSQL, Redis * Splunk * XCUITest, Appium, TestNG-specific ...

Qode

Senior SDET

New York, NY · On-site

$120K - $157K/yr

... product, and DevOps teams to translate requirements into robust test solutions. * Integrate ... Flask, FastAPI, React, SQLAlchemy, PostgreSQL, Redis * Splunk * XCUITest, Appium, TestNG-specific ...

Peraton

Senior AI/ML Software Engineer

Woodbridge, NJ

$146K - $234K/yr

Responsibilities Peraton Labs is seeking a Senior AI/ML Software Engineer to join the Labs Agentic ... Develop full-stack product features (FastAPI + React) that surface AI capabilities to users - from ...

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Senior Fastapi Developer information

See Piscataway, NJ salary details

$15

$62

$89

How much do senior fastapi developer jobs pay per hour?

As of Jul 17, 2026, the average hourly pay for senior fastapi developer in Piscataway, NJ is $62.90, according to ZipRecruiter salary data. Most workers in this role earn between $53.41 and $70.53 per hour, depending on experience, location, and employer.

What does a Senior FastAPI Developer do?

A Senior FastAPI Developer designs, develops, and maintains backend web applications using the FastAPI framework in Python. They are responsible for building scalable APIs, optimizing performance, ensuring security best practices, and integrating with databases and external services. Senior developers also mentor junior team members, contribute to architecture decisions, and collaborate closely with front-end engineers and stakeholders to deliver robust software solutions.

What are some common challenges faced by Senior FastAPI Developers when scaling applications, and how can these be addressed?

Senior FastAPI Developers often encounter challenges related to managing high concurrency, optimizing API performance, and ensuring robust security as applications scale. To address these, it’s important to implement asynchronous programming practices, leverage efficient database queries, and utilize API gateways for better traffic management. Collaboration with DevOps and QA teams is also essential to automate deployments and monitor system health, ensuring smooth scaling and reliable user experiences.

What are the key skills and qualifications needed to thrive as a Senior FastAPI Developer, and why are they important?

To thrive as a Senior FastAPI Developer, you need deep expertise in Python, RESTful API design, and experience building scalable web backends, typically supported by a degree in computer science or related field. Familiarity with FastAPI, Docker, cloud platforms (such as AWS or Azure), and CI/CD tools is highly valued, along with proficiency in testing frameworks. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills enable the delivery of robust, efficient, and maintainable APIs that support business goals and high user demands.
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Senior Fastapi Developer jobs near you
Senior Software Engineer, Backend

Senior Software Engineer, Backend

NxT Level

Manhattan, NY • On-site

$170K - $230K/yr

Full-time

Medical, Dental, Vision, PTO

Posted 4 days ago

Job description

Senior Backend Engineer (GenAI / LLM Workflows)
Compensation: $170,000-$230,000 base + equity
Location: San Francisco, CA or (open to remote to start)
About Our Client
Our client has built a leading AI-powered clinical documentation platform for home health, used daily by thousands of clinicians and reducing documentation time by 80%+. By giving clinicians their time back, the platform helps home health organizations deliver better care to older adults who want to remain at home.
The company is growing quickly, backed by top-tier investors, and shipping new capabilities into real clinical workflows every week. They're now hiring a Senior Backend Engineer to scale the core services that power the platform and build new Generative AI / LLM-driven workflows clinicians will rely on every day.
The Role
This is a backend-heavy role for an engineer who enjoys solving real production problems: scalability, reliability, data integrity, and building practical AI-enabled workflows that directly support patient care.
What You'll Do
  • Ship complex backend services using FastAPI with MongoDB and/or Postgres
  • Build APIs and infrastructure that interface with LLMs and Generative AI models
  • Leverage AI-assisted development tools (e.g., ChatGPT/Copilot-style tooling) to increase engineering velocity without sacrificing quality
  • Prototype MVPs quickly, then harden them into secure, scalable, reliable production systems
  • Improve backend architecture, observability, and code quality standards
  • Deploy and operate services using Docker and AWS
  • Collaborate with senior engineers and mentor junior developers as the team scales

What Our Client Is Looking For
Must-Have Qualifications
  • 7+ years of professional software engineering experience with deep backend expertise
  • Startup experience shipping real features in high-growth environments
  • Experience designing distributed systems and/or data-heavy backend architectures
  • Experience working with Generative AI / LLM-powered systems in production or a strong desire to learn and build in this space
  • Strong product mindset and comfort partnering with cross-functional teams
  • Ability to operate in ambiguity and move quickly without sacrificing quality
  • High standards for reliability, clarity, and maintainability when real users depend on your code

Why Join
  • Platinum health, dental, and vision insurance
  • Flexible PTO
  • Opportunity to be at the forefront of LLM innovation in healthcare
  • Founded by AI researchers (Cornell and Amazon Alexa backgrounds)
  • Direct impact on clinicians and patients-software that meaningfully improves care delivery
  • Mission-driven team backed by strong AI talent and reputable investors

If you want, I can also produce a tight LinkedIn version + a screening scorecard (must-have signals, interview questions, red flags) specifically for Senior Backend + production LLM experience.

Apply