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Contract Fastapi Jobs in California (NOW HIRING)

Charter Global, Inc.

AI/ML Engineer

San Jose, CA · Hybrid

Hybrid onsite 3 days a week in Sunrise, FL Duration: 7 months+ contract Responsibilities: * Develop ... Flask, FastAPI), database management (SQL/NoSQL), and version control using Git. Best Regards ...

eTeam

AI Backend Engineer

Rosemead, CA · On-site

Roles & Responsibilities • Implement Python microservices and APIs (FastAPI/Flask/Django) with clean contracts, versioning, pagination, and rate limiting. • Build REST/GraphQL endpoints and ...

Staffingine LLC

AI/ML Engineer

Los Angeles, CA · On-site

Contract * 3-5 years of professional experience in an AI or Machine Learning engineering role ... Experience deploying models using API frameworks such as FastAPI or Flask * Knowledge of MLOps ...

FlexAI

Senior Full Stack Engineer

Santa Clara, CA · On-site

Design and implement APIs and backend services using Python (FastAPI) and/or Node.js * Define clean, scalable contracts between frontend and backend * Work on data-intensive workflows (jobs, compute ...

FlexAI

Senior Full Stack Engineer

Santa Clara, CA · On-site

$180K - $225K/yr

Design and implement APIs and backend services using Python (FastAPI) and/or Node.js * Define clean, scalable contracts between frontend and backend * Work on data-intensive workflows (jobs, compute ...

Mem0

Backend Engineer

San Francisco, CA · On-site

Define contracts, versioning, auth, rate limits; write migrations and docs. * Model data & schemas ... Async where it helps (FastAPI/Starlette, Django/DRF, Flask), background jobs, queues, schedulers.

Mem0

Backend Engineer

San Francisco, CA · On-site

$165K - $250K/yr

Define contracts, versioning, auth, rate limits; write migrations and docs. * Model data & schemas ... Async where it helps (FastAPI/Starlette, Django/DRF, Flask), background jobs, queues, schedulers.

Staffingine LLC

AI Architect

Torrance, CA · On-site

$65.75 - $86.75/hr

Contract * Design multilayered AI solutions balancing compute efficiency contextual fidelity and ... Implement structured output validation and schema enforcement using Pydantic FastAPI and JSON ...

De Circle

Odos - Backend Engineer

San Francisco, CA · On-site +1

Support the development, auditing, and deployment of new and existing smart contracts for the Odos platform Technical skills: * Python API microservice development, preferably in FastAPI * Poetry or ...

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All JobsContract Fastapi JobsContract Fastapi Jobs in California

Contract Fastapi information

What is the difference between Contract Fastapi vs Contract Python Developer?

AspectContract FastapiContract Python Developer
Required CredentialsProficiency in Fastapi, Python, REST APIsProficiency in Python, frameworks like Django or Flask
Work EnvironmentRemote or on-site, API development projectsRemote or on-site, software development projects
Industry UsageWeb services, microservices, backend APIsWeb applications, data processing, backend systems
Common Search IntentFastapi-specific contract rolesPython contract roles with broader frameworks

Contract Fastapi roles focus specifically on developing APIs using Fastapi, requiring expertise in this framework. Contract Python Developer roles are broader, involving Python programming across various frameworks like Django or Flask. Both roles often work in similar environments but differ in technical focus and project scope.

What are the most commonly searched types of Fastapi jobs in California? The most popular types of Fastapi jobs in California are:
What are popular job titles related to Contract Fastapi jobs in California? For Contract Fastapi jobs in California, the most frequently searched job titles are:
What job categories do people searching Contract Fastapi jobs in California look for? The top searched job categories for Contract Fastapi jobs in California are:
What cities in California are hiring for Contract Fastapi jobs? Cities in California with the most Contract Fastapi job openings:
Contract Fastapi jobs near you
Infographic showing various Contract Fastapi job openings in California as of June 2026, with employment types broken down into 50% As Needed, 25% Full Time, and 25% Nights. Highlights an 79% Physical, 3% Hybrid, and 18% Remote job distribution.

Software Engineer (Contract)

VantageScore

San Francisco, CA • On-site

$70 - $80/hr

Contractor

Posted yesterday

Job description

About The Role
We are seeking a mid-level Software Engineer with strong Python experience to join our growing engineering team. You will design, build, and maintain scalable applications and services, collaborate cross-functionally, and help drive best practices in coding, testing, and deployment.
This role is ideal for an engineer who is comfortable working in fast-moving environments and is passionate about building high-quality software.
This is a 1099 independent contractor position.
Key Responsibilities
  • Design, develop, and maintain backend services, APIs, and data pipelines using Python.
  • Migrate and convert existing SAS code to Python, ensuring functionality and performance parity.
  • Collaborate with product managers, designers, and fellow engineers to define requirements and deliver solutions.
  • Write clean, maintainable, and well-tested code.
  • Participate in code reviews and provide constructive feedback.
  • Debug, troubleshoot, and improve application performance and reliability.
  • Contribute to architectural discussions and implementation strategies.
  • Help automate workflows and improve development processes.
  • Maintain documentation of systems, workflows, and features.
  • Support production systems and participate in on-call rotations (if applicable).

Required Qualifications:
  • Bachelor's Degree
  • Candidates must be based within 1 Hr. commuting proximity to our office in the San Francisco Peninsula
  • 3-5 years of professional software development experience.
  • Strong proficiency in Python and familiarity with frameworks such as Django, Flask, or FastAPI.
  • Experience building RESTful or GraphQL APIs.
  • Solid understanding of software engineering fundamentals: data structures, algorithms, OOP.
  • Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
  • Familiarity with version control (Git) and CI/CD pipelines.
  • Working knowledge of cloud platforms (AWS, GCP, or Azure).
  • Ability to write unit/integration tests.
  • Excellent problem-solving and communication skills.

Preferred:
  • Experience with AWS services (Lambda, EC2, DynamoDB, S3, API Gateway, etc.).
  • Experience with containerization (Docker, Kubernetes).
  • Data pipeline or ETL experience.
  • Experience with Terraform for infrastructure as code.
  • Experience with monitoring and observability tools.
  • Experience with SAS.
  • Exposure to Agile/Scrum methodologies.

Compensation: $70 - $80/HR

Apply