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Fastapi Development Company Jobs in California (NOW HIRING)

REDICA Systems

AI Engineer

Pleasanton, CA · On-site

Company Description Redica Systems is a data and analytics SaaS platform that helps regulated ... Contribute to continuous improvement of AI development practices and system performance. What ...

Circadia Health

Senior Software Engineer

Los Angeles, CA

$132K - $174K/yr

Backend/API Development: * Design, develop, and maintain RESTful APIs using Python (FastAPI) to ... Benefits: 100% company-paid medical, dental, vision; 401(k); generous PTO * Workspace: El Segundo ...

IQUASAR LLC

Cloud Application Engineer

San Diego, CA

$135K - $145K/yr

Design and develop APIs and backend services using Python, FastAPI, GraphQL, REST. * Build data ... Company Medical Coverage Plans - HMO, Open Access, PPO plans * Company Dental Plan - widely ...

REDICA Systems

AI Engineer

Pleasanton, CA · On-site

Company Description Redica Systems is a data and analytics SaaS platform that helps regulated ... Contribute to continuous improvement of AI development practices and system performance. What ...

iQuasar LLC

Cloud Application Engineer

San Diego, CA · On-site

$135K - $145K/yr

Design and develop APIs and backend services using Python, FastAPI, GraphQL, REST. * Build data ... Company Medical Coverage Plans - HMO, Open Access, PPO plans * Company Dental Plan - widely ...

Circadia Health

Senior Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

Backend/API Development: * Design, develop, and maintain RESTful APIs using Python (FastAPI) to ... Benefits: 100% company-paid medical, dental, vision; 401(k); generous PTO > * Workspace: El Segundo ...

Circadia Health

Senior Software Engineer

Los Angeles, CA

$132K - $174K/yr

Backend/API Development: * Design, develop, and maintain RESTful APIs using Python (FastAPI) to ... Benefits: 100% company-paid medical, dental, vision; 401(k); generous PTO * Workspace: El Segundo ...

REDICA Systems

AI Engineer

Pleasanton, CA

$127.20K - $152.70K/yr

Company Description Redica Systems is a data and analytics SaaS platform that helps regulated ... Contribute to continuous improvement of AI development practices and system performance. What ...

Workhelix

Software Engineer (DevOps)

San Francisco, CA · On-site

$170K - $220K/yr

Backend & Service Development * Contribute to backend services written in Python (FastAPI) with ... The unique opportunity to help build a company, culture, and products from the ground up with a ...

Shp

MLOps Engineer

Goleta, CA

$140K - $175K/yr

Deploy and serve models (batch + real-time) via FastAPI/Flask APIs with auto-scaling and rollback ... Create standardized templates for model development Observability & Reliability (15%) * Monitor ...

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Full Stack Product Engineer (Contract)

LHH US

San Francisco, CA

$155K - $250K/yr

Full-time, Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

Job description

LHH Recruitment Solutions is partnering with a growing organization in the SF Bay Area to identify a Full-Stack Product Engineer for a contract-to-hire opportunity. This role offers the chance to help build a next-generation platform that enables enterprises to optimize how human and digital workforces collaborate.
Position Overview
This is a hands-on, individual contributor role for a product-focused engineer who thrives in fast-paced, early-stage environments. The ideal candidate is comfortable owning features end-to-end-from concept through deployment-and collaborating closely with product, design, and executive stakeholders.
You will play a key role in delivering high-impact product features across a modern full-stack architecture, contributing directly to a platform used by enterprise leaders to make strategic workforce decisions.
Key Responsibilities
  • Design, build, and deploy product features across a React (Vite/shadcn) frontend and Python (FastAPI/Postgres) backend
  • Own the full development lifecycle from early-stage concepts (e.g., Figma mockups and problem statements) through production deployment and executive demos
  • Collaborate cross-functionally with product, design, and leadership to define and execute on product direction
  • Utilize AI-assisted development tools as part of your daily workflow
  • Make pragmatic engineering decisions, balancing speed-to-delivery with scalability and stability
  • Contribute to evolving architecture and platform capabilities, including future expansion into LLM-based systems
Qualifications
  • Approximately 3-5 years of professional software engineering experience , ideally within a startup or product-driven environment
  • Proven experience owning and delivering end-to-end product features
  • Strong proficiency in either:
  • React / TypeScript , or
  • Python (backend development)
  • with willingness to work across the full stack
  • Demonstrated experience using AI coding tools in a development workflow
  • Ability to operate effectively in ambiguous environments with a bias toward execution and delivery
  • Must be located within commuting distance of the SF Bay Area and available to work onsite 3 days per week
Preferred Experience
  • Familiarity with modern tools and frameworks such as: shadcn, Radix UI, Tailwind CSS, FastAPI, Alembic, Postgres, TanStack Query, Clerk, Supabase, Vercel, Railway
Compensation & Benefits
  • Target base salary range: $155,000 - $250,000 , depending on experience
  • Opportunity for conversion to a full-time role and long-term career growth
  • Direct impact on product direction with high visibility to leadership
Why Apply
This is a unique opportunity to join a high-growth AI environment where engineering teams have true ownership and the ability to ship meaningful features quickly to enterprise customers. The role offers strong exposure to cutting-edge AI applications and a clear path toward deeper involvement in advanced AI/LLM systems as the platform evolves.
Benefit Offerings:
Benefit offerings include medical, dental, vision, life insurance, short-term disability, additional voluntary benefits, EAP program, and 401K plan. Our program provides employees the flexibility to choose the type of coverage that meets their individual needs. Available paid leave may include Paid Sick Leave, where required by law; any other paid leave required by Federal, State, or local law; and Holiday pay upon meeting eligibility criteria.
Equal Opportunity Employer/Veterans/Disabled
To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate t o https://www.lhh.com/us/en/candidate-privacy
The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:
  • The California Fair Chance Act
  • Los Angeles City Fair Chance Ordinance
  • Los Angeles County Fair Chance Ordinance for Employers
  • San Francisco Fair Chance Ordinance
Pay Details: $80.00 to $120.00 per hour
Search managed by: Scott McKeen
Benefit offerings available for our associates include medical, dental, vision, life insurance, short-term disability, additional voluntary benefits, EAP program, commuter benefits and a 401K plan. Our benefit offerings provide employees the flexibility to choose the type of coverage that meets their individual needs. In addition, our associates may be eligible for paid leave including Paid Sick Leave or any other paid leave required by Federal, State, or local law, as well as Holiday pay where applicable.
Equal Opportunity Employer/Veterans/Disabled
Military connected talent encouraged to apply
To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://www.lhh.com/us/en/candidate-privacy
The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:
  • The California Fair Chance Act
  • Los Angeles City Fair Chance Ordinance
  • Los Angeles County Fair Chance Ordinance for Employers
  • San Francisco Fair Chance Ordinance
Massachusetts Candidates Only: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.