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Senior Fastapi Developer Jobs in Santa Clara, CA

SolGenie

Senior Full Stack AI Developer

San Jose, CA · On-site

Senior Full Stack AI Developer (React/Next.js + Python + LLM) Location: Santa Clara, CA (Onsite ... Strong backend development experience with Node.js and/or Python (FastAPI preferred) . * Experience ...

Namely

Senior Al Engineer - India

Mountain View, CA · On-site

$120 - $160/hr

Overview We are seeking an enthusiastic Senior AI Engineer to join our team and contribute to the ... Architect, optimize, and maintain high-performance, asynchronous orchestration layers (FastAPI ...

FlexAI

Senior Full Stack Engineer

Santa Clara, CA · On-site

Responsibilities : • Build and ship end-to-end features across our platform (developer tools ... Python (FastAPI or similar) or Node.js • Experience designing and working with APIs • ...

AI Talent Now

Senior Product Engineer

Palo Alto, CA · On-site

$140 - $250/hr

Experience with Python, FastAPI, and a background in B2B SaaS preferred * Top 15 school required if under 2 years of experience Company Context * Transitioning all engineers to full-stack roles

FlexAI

Senior Full Stack Engineer

San Jose, CA · On-site

$180K - $225K/yr

You will work on developer modules Admin modules, Marketplace, and Licensing, shaping the user ... Design and implement APIs and backend services using Python (FastAPI) and/or Node.js * Define clean ...

Apple

Sr Python Backend Engineer, AIML

Cupertino, CA

$184K - $324K/yr

The AI and Machine Learning team is looking for Sr Python Backend Engineer to build world-class ... FastAPI, Django, or Flask. Build and integrate LLM-powered workflows, AI agents, and agentic ...

Poshmark

Sr. Engineer, Machine Learning

Redwood City, CA · On-site

$127K - $175K/yr

Collaborate across teams such as DS, QA, Infra and other engineering teams to productionize ML ... Flask, Fastapi, Gunicorn, Quarkus * MLFlow, Sagemaker, Kibana, Airflow, Databricks, Grafana ...

Poshmark

Sr. Engineer, Machine Learning

Redwood City, CA · On-site

$120 - $150/hr

Collaborate across teams such as DS, QA, Infra and other engineering teams to productionize ML ... Flask, Fastapi, Gunicorn, Quarkus * MLFlow, Sagemaker, Kibana, Airflow, Databricks, Grafana ...

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Senior Fastapi Developer information

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How much do senior fastapi developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for senior fastapi developer in Santa Clara, CA is $72.50, according to ZipRecruiter salary data. Most workers in this role earn between $61.54 and $81.30 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 the key skills and qualifications needed to thrive as a Senior FastAPI Developer?

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.

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 most commonly searched types of Fastapi Developer jobs in Santa Clara, CA?

The most popular types of Fastapi Developer jobs in Santa Clara, CA are:

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For Senior Fastapi Developer jobs in Santa Clara, CA, the most frequently searched job titles are:

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Senior Fastapi Developer jobs near you
Infographic showing various Senior Fastapi Developer job openings in Santa Clara, CA as of August 2026, with employment types broken down into 75% Full Time, 11% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $150,798 per year, or $72.5 per hour.

Senior Full Stack AI Developer

SolGenie

San Jose, CA • On-site

Contractor

Re-posted 8 days ago

Job description

We have a contract opportunity for Senior Full Stack AI Developer (Onsite) with one of our clients. Detailed job descriptions is provided below.
Title: Senior Full Stack AI Developer (React/Next.js + Python + LLM)
Location: Santa Clara, CA (Onsite)
Duration: 9+ Months
Employment Type: W2 or Independent Contractor (No C2C through third-party vendors)
Visa Eligibility: US Citizens and Green Card Holders only
Must-Have Skills:
  • 7+ years of Full Stack Development experience.
  • Strong hands-on experience with React, Next.js, and TypeScript (Mandatory).
  • Experience building production-grade Full Stack applications.
  • Strong backend development experience with Node.js and/or Python (FastAPI preferred).
  • Experience designing and consuming REST APIs and/or GraphQL.
  • Hands-on experience integrating LLM APIs (OpenAI, Claude, Gemini, NVIDIA NIM, etc.).
  • Experience with streaming AI responses using Server-Sent Events (SSE) or WebSockets.
  • Experience implementing AI chat interfaces or conversational applications.
  • Strong understanding of multi-tenant SaaS architecture, Row-Level Security (RLS), and application scalability.
  • Experience building multi-step AI workflows, conversation state management, and tool/function calling.
  • Experience rendering structured JSON outputs in frontend applications.
  • Strong knowledge of responsive UI development, accessibility, and performance optimization.

Technical Skills:
  • Frontend: React, Next.js, TypeScript, Vercel AI SDK
  • Backend: Node.js, Python, FastAPI, REST APIs, GraphQL, SSE
  • AI/ML: LLM Integration, RAG, Nemotron, Structured JSON Generation
  • Cloud: AWS / Azure / GCP
  • Databases: PostgreSQL, pgvector, Redis
  • DevOps: Docker, GitHub Actions

Nice to Have:
  • LlamaIndex
  • LangChain
  • Model Context Protocol (MCP)
  • Vercel AI SDK

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