"api development" Jobs

219 open tech roles matching “api development”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AI/ML, AWS. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 219 results

Anthropic

Join Anthropic as an Applied AI Architect to guide enterprises in integrating Claude into their technology stack.

Anthropic London, UK £190k–£230k/yr Published 2 months ago
Flexible on stack
Coreweave

Join CoreWeave as a Staff Software Engineer to lead architectural evolution for advanced engineering simulation and AI workflows.

Coreweave London, England £116k–£155k/yr Published 3 weeks ago
Flexible on stack
Coreweave

Join CoreWeave as a Senior Software Engineer to build and scale a platform for advanced engineering simulation and AI workflows.

Coreweave London, England £98k–£130k/yr Published 3 weeks ago
Flexible on stack 70% coding
Anthropic

Join Anthropic as an Applied AI Architect to guide enterprises in integrating AI solutions into their technology stack.

Anthropic London, UK £165k–£190k/yr Published 3 weeks ago
Flexible on stack Heavy meetings
Flow Engineering

Join Flow Engineering as a Software Engineer to build AI-powered features for modern engineering organizations.

Flow Engineering London Published 4 months ago
Flexible on stack
ARQ

Join ARQ as a Senior Software Engineer to design and develop backend systems for innovative fintech products.

ARQ London Published 2 weeks ago
Flexible on stack
Plain

Join Plain as a Senior Product Engineer to shape the future of B2B customer support with a focus on backend architecture and developer experience.

Plain London office Published 10 months ago
ARQ

Join ARQ as a Backend Engineer to design and maintain scalable systems that drive financial inclusion.

ARQ London Published 2 days ago
Flexible on stack
Sierra

Join Sierra as a Strategist to shape AI agents for enterprise clients, driving impactful customer experiences.

Sierra London Published 9 months ago
Decagon

Lead the development of AI agents at Decagon, ensuring impactful deployments and long-term customer success.

Decagon London Published 6 months ago
Edra

Join Edra as a Front End Software Engineer to build high-quality user-facing product experiences in a collaborative environment.

Edra London Published 7 months ago
Flexible on stack
DeepL

Join DeepL as a Senior Software Engineer to drive enterprise API adoption and build governance tools in a hybrid work environment.

DeepL London Published 1 month ago
Flexible on stack
Decagon

Join Decagon as an Agent Deployment Engineer to lead the execution of AI agent builds for enterprise customers.

Decagon London Published 4 months ago
Flexible on stack 70% coding
Sierra

Own the development of AI agents, transforming complex customer problems into effective solutions while collaborating closely with enterprise leaders.

Sierra London Published 9 months ago
Anthropic

Lead a team of Connectivity engineers in London to build reliable and trusted AI connectivity infrastructure.

Anthropic London, UK Published 2 months ago
Heavy meetings
ARQ

Lead the backend development of innovative fintech products at ARQ, a fast-growing company in London.

ARQ London Published 5 days ago
Flexible on stack
Databento

Join Databento as a Technical Support Engineer to provide frontline support for customers in the financial industry during EU hours.

Databento Remote / London Published 3 months ago
Flexible on stack
Sierra

Own the development of AI agents at Sierra, transforming complex customer problems into effective solutions.

Sierra London Published 3 months ago