"backend apis" Jobs

399 open tech roles matching “backend apis”, 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 399 results

Fastly

Join Fastly as a Senior Backend Software Engineer to design and build public-facing APIs and backend services in Go.

Fastly Denver, CO; San Francisco, CA $181.2k–$217.5k/yr Published 5 days ago
AI-first team 70% coding
Atoms

Join Atoms as a Staff Backend Engineer to design and scale cloud systems for real-world operations in a collaborative environment.

Atoms San Francisco, CA $224k–$284k/yr Published 2 months ago
Flexible on stack
MaintainX

Design and build MaintainX’s public-facing REST APIs, focusing on scalability and developer experience in a senior software developer role.

MaintainX San Francisco Published 5 days ago
Flexible on stack
Fastly

Join Fastly as a Senior Engineer to design and build secure backend APIs for a trustworthy Internet.

Fastly Denver, CO; San Francisco, CA $181.2k–$217.5k/yr Published 2 months ago
AI-first team 70% coding
Vapi

Join Vapi as a backend product engineer to build reliable voice AI systems for Fortune 500 customers.

Vapi San Francisco Published 3 months ago
Flexible on stack
Databento

Join Databento as a Software Engineer to build and maintain a JavaScript client library for a modern market data platform.

Databento Remote / Boston / Salt Lake City / San Francisco / New York Published 1 month ago
Flexible on stack
TRM Labs

Join TRM Labs as a Backend Engineer to build scalable API integrations for AI-powered crime investigation tools.

TRM Labs United States $180k–$240k/yr Published 2 weeks ago
Flexible on stack
Meter

Join Meter as a Backend Engineer to design and implement a unified data interface for model development in a cutting-edge networking company.

Meter San Francisco $160k–$230k/yr Published 1 year ago
Flexible on stack
baseten

Join Baseten as a Senior Frontend Engineer to craft user-friendly interfaces for AI systems in a collaborative environment.

baseten San Francisco Published 2 months ago
krea.ai

Join Krea as a Backend Software Engineer to build AI creative tools in a collaborative, innovative environment.

krea.ai San Francisco Published 1 month ago
Flexible on stack
HockeyStack

Lead the backend engineering for core API infrastructure at HockeyStack, driving high-performance data access for enterprise revenue.

HockeyStack San Francisco $200k–$240k/yr Published 6 months ago
Anthropic
Anthropic San Francisco, CA | New York City, NY | Seattle, WA $405k–$485k/yr Published 5 months ago
Nash

Join Nash as a Senior Backend Engineer to design and build systems for the Autonomic Logistics OS in a hybrid work environment.

Nash San Francisco Published 1 year 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
krea.ai

Join Krea.ai as a Fullstack Engineer to build innovative AI creative tools in a collaborative, onsite environment.

krea.ai San Francisco Published 3 weeks ago
Flexible on stack
Hedra

Design and scale backend systems for Hedra’s developer platform, focusing on Python services and cloud infrastructure.

Hedra San Francisco Published 3 months ago
Sesame

Join Sesame as a Backend Software Engineer to tackle complex challenges in building reliable, scalable systems for innovative voice agents.

Sesame San Francisco Published 2 weeks ago
Flexible on stack 70% coding
Motive

Build backend systems for IoT equipment monitoring with a focus on real-time data processing and collaboration across teams.

Motive Hybrid - San Francisco, California; Hybrid - Seattle $140k–$193k/yr Published 1 month ago
Flexible on stack
Perplexity AI

Join Perplexity AI as a staff software engineer to design and scale mission-critical APIs for frontier intelligence.

Perplexity AI San Francisco Published 2 weeks ago
Doss

Design and build scalable backend systems for an AI-native operations platform in a collaborative team environment.

Doss San Francisco Published 1 year ago