"backend systems" Jobs

689 open tech roles matching “backend systems”, 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 689 results

baseten

Join Baseten as a Software Engineer to lead the identity and authorization team, building critical access systems for enterprise clients.

baseten San Francisco Published 1 week ago
Flexible on stack
Doppel

Join Doppel as a backend engineer to build scalable infrastructure for an AI-native social engineering defense platform.

Doppel San Francisco Published 1 year ago
Cloudflare

Design and build backend services for Cloudflare's internal support platform, ensuring scalability and security for diverse teams.

Cloudflare Austin, TX, United States Published 1 month ago
Perplexity

Join the Infrastructure team to build and operate foundational systems that support Perplexity’s products.

Perplexity San Francisco Published 1 week ago
Flexible on stack
baseten

Join Baseten as a Software Engineer to build and optimize large-scale LLM inference systems in a collaborative environment.

baseten San Francisco Published 3 months ago
Flexible on stack
Factory

Join Factory as a Fullstack Software Engineer to develop core platform infrastructure for enterprise-grade development tools.

Factory San Francisco, CA Published 1 year ago
Flexible on stack
Bretton AI

Join Bretton AI as a Forward Deployed Engineer to integrate AI solutions in financial institutions while collaborating with enterprise customers.

Bretton AI San Francisco, CA $150k–$200k/yr Published 6 months ago
Flexible on stack AI-first team
Braintrust Data

Join Braintrust as a backend engineer to build infrastructure for cutting-edge AI development tools in a fast-paced environment.

Braintrust Data San Francisco Published 1 month ago
Flexible on stack
Rox

Join Rox as a Foundations Engineer to design and operate systems that power AI-driven agent decision loops.

Rox San Francisco Published 2 months ago
AI-first team
Perplexity AI

Join Perplexity AI's Infrastructure team to tackle cross-cutting problems in backend systems and enhance user experience.

Perplexity AI San Francisco Published 1 week ago
Flexible on stack
Braintrust Data

Build and own the data infrastructure for a rapidly growing observability platform in a hands-on, solo role.

Braintrust Data San Francisco Published 2 months ago
Flexible on stack
Orb

Join Orb as a Senior Software Engineer on the infrastructure team, ensuring system reliability for a high-growth revenue design platform.

Orb HQ-San Francisco Published 2 months 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
Axion

Join Axion as a Senior/Staff Software Engineer to build and scale data ingestion systems for a cutting-edge AI platform in manufacturing.

Axion San Francisco, CA Published 2 weeks ago
Flexible on stack 70% coding
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
Mercury

Join Mercury as a Senior Customer Support Systems Administrator to optimize and secure our Zendesk ecosystem and CS tech stack.

Mercury San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States $138.8k–$192.8k/yr Published 2 days ago
Flexible on stack