"backend api" Jobs

400 open tech roles matching “backend api”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, TypeScript, React. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 400 results

Browserbase

Join Browserbase as a Software Engineer to build and enhance the Core Infrastructure platform in a fast-paced startup environment.

Browserbase San Francisco Published 1 year ago
Flexible on stack
Nash

Join Nash as a Full Stack Engineer to build a logistics portal that optimizes real-time operations for major retailers.

Nash San Francisco Published 1 year ago
Flexible on stack
Arena

Join Arena as a Software Engineer to build core infrastructure for AI model evaluation in a fast-paced startup environment.

Arena SF Bay Area Published 4 days ago
70% coding
Abridge

Join Abridge as a Junior Software Engineer to build AI-powered features that enhance healthcare delivery.

Abridge SF Office Published 1 week ago
Judgment Labs

Join Judgment Labs as a Senior Backend Engineer to build infrastructure for AI agents in a fast-paced, onsite environment in San Francisco.

Judgment Labs San Francisco Published 3 months ago
LangChain

Join LangChain as a Frontend Engineer to develop user-facing features for our AI observability platform.

LangChain San Francisco, CA $160k–$195k/yr Published 1 month ago
Flexible on stack
Kong

Join Kong as a Senior Staff Software Engineer to architect the future of machine-to-machine commerce in a dynamic engineering squad.

Kong San Francisco, California, United States Published 1 month ago
Flexible on stack
Ambience Healthcare

Own the core systems for scaling Ambience's infrastructure, focusing on database architecture and performance optimization.

Ambience Healthcare San Francisco $250k–$300k/yr Published 7 months ago
Flexible on stack
baseten

Join Baseten as an AI Engineer to build AI-driven product features and enhance internal workflows.

baseten San Francisco Published 1 month ago
Flexible on stack
Vapi

Join Vapi as a Member of Technical Staff to build and maintain a robust multi-region infrastructure for voice AI solutions.

Vapi San Francisco Published 4 months ago
Flexible on stack
Databricks

Join Databricks as a Staff Software Engineer to build LLM infrastructure for large-scale AI workloads.

Databricks San Francisco, California $190k–$265k/yr Published 2 months ago
Flexible on stack
Exa

Join Exa as a Full Stack Engineer to build innovative AI-driven search solutions for developers and enterprises.

Exa San Francisco, California Published 4 months ago
Flexible on stack
Halliday

Join Halliday as a Senior Frontend Engineer to build innovative blockchain payment products with a talented team.

Halliday San Francisco, CA | New York, NY $150k–$250k/yr Published 3 months ago
Stripe

Build and ship end-to-end product experiences for a new payments platform powered by stablecoins.

Stripe San Francisco, NYC Published 1 month ago
AtoB

Lead efforts on technical projects to modernize payments infrastructure for trucking and logistics in a senior full stack role.

AtoB San Francisco Bay Area Published 8 months ago
Flexible on stack
Sprinter Health

Join Sprinter Health as a Senior Software Engineer to build core systems for last-mile healthcare delivery.

Sprinter Health San Francisco, CA Published 2 months ago
Flexible on stack
Airbyte

Join Airbyte as a Senior Software Engineer to build the AI Runtime that powers trustworthy AI agents in a collaborative environment.

Airbyte San Francisco Published 1 week ago
Flexible on stack
Nuna

Join Nuna as a Senior Software Engineer to build an AI health coach that improves chronic disease management.

Nuna San Francisco Published 3 months ago
Flexible on stack 70% coding
Fable Security

Join Fable Security as a Backend Engineer to build scalable data platforms and mitigate human risks in enterprise security.

Fable Security San Francisco, CA (Hybrid) $135k–$250k/yr Published 3 months ago
Flexible on stack