25 API Development jobs in London, England, United Kingdom

Hackney, London, England, GB (Hybrid)

Runa is pioneering a first-of-its-kind payment rail that enables the seamless, global money movement at scale.

London, England, GB (Hybrid)

£1.00 / year

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems.

London, England, GB (On-site)

£111–145K / year

We are looking for a Senior Backend Engineer to join the Account Sharing team within Wise’s Consumer Squad .

Southwark, London, England, GB (On-site)

Who We Are Moniepoint Inc.

London, England, GB (Hybrid)

We are looking for an AI Infra engineer to join our growing team.

London, England, GB (Hybrid)

£120–122K / year

About us We are champions of rail, inspired to build a greener, more sustainable future of travel.

London, England, GB (On-site)

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems.

London, England, GB (On-site)

Who we are Moniepoint Inc.

London, England, GB (Hybrid)

Lead AI Engineer (Senior/Principal Consultant) Location: London (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent Empower the…

London, England, GB (Hybrid)

About the Team The mission of the Applied AI Engineering team is to enable the secure and impactful implementation of Agentic solutions.

London, England, GB (Hybrid)

About Adarga Adarga builds AI systems for customers working in Defence, Security and Resilience.

London, England, GB (Hybrid)

We're rebuilding how IFS ships software around autonomous, AI-native teams, and we're looking for someone to lead one.

London, England, GB (Hybrid)

About the Team OpenAI’s Applied AI Engineering team helps organizations turn frontier AI capabilities into safe, reliable, and high-impact production systems.

London, England, GB (On-site)

$255–405K / year

About the Team Our London-based team builds the backend systems that help ChatGPT scale reliably.

United Kingdom (Remote)

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making.

United Kingdom + 1 more (Remote)

About GoCharting GoCharting is a web-native charting and trading workflow platform with institutional-grade orderflow and DOM tools -…

United Kingdom (Remote)

£308–513.4K / year

We are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform…

United Kingdom (Remote)

£308–513.4K / year

We are looking for a Principal Software Engineer to join our Shared Services team and help shape the technical direction of core platform…

United Kingdom + 5 more (Remote)

Location Our Engineering Manager - Revenue Management Azure House will be an integral part of our global R&D team.

Europe, Middle East, and Africa + 1 more (Remote)

At Upvest, we are on a mission to make investing as easy as spending money .