Founding Backend Engineer: Own a Scalable AI Platform

HelmGuard in London is building governance and security infrastructure for autonomous AI agents. You will own the backend for the agent platform, responsible for cost, performance and reliability of the agents we ship. On day one, you’ll push improvements to evals and security primitives while aligning with our roadmap.This is mainly an engineering role...

V7 is building AI platforms that accelerate human capability with trusted AI, using models like GPT, Claude, Gemini. You’ll join the Go Engineering team to enable foundation models across multimodal data, scale for multi-tenant use, and build APIs that connect internal systems with customer products.You’ll work on shipping production-grade features...

Capsa AI is seeking a Senior Fullstack Engineer to build the infrastructure behind our AI Operating System. Located in London, this hybrid position requires your expertise in developing scalable systems that process financial data.We expect candidates to have at least four years of experience in production software and a solid grasp of backend technologies...

Atarus is an early-stage AI company building infrastructure that connects trusted industry data with AI agents, with initial focus on renewable energy. They already have paying customers and meaningful revenue and are hiring a Founding AI Platform Engineer to establish the technical foundation alongside the founders.You will own the backend systems and APIs,...

Plum is seeking an experienced AI Platform Engineer to build and maintain scalable infrastructure supporting AI-powered products across the company. You’ll own and evolve internal frameworks and services used by multiple product squads.You will establish best practices for prompt engineering, AI guardrails, and evaluation methodologies, ensuring safe...

Tech4Good Recruitment is seeking a skilled backend/software systems engineer for a fully remote role supporting digital health services. You will design, build and scale backend services on a Google Cloud Platform, focusing on pragmatic tooling and reliable platforms.You will work across cloud infrastructure, AI-assisted workflows, and modern development...

Harnham is seeking a Senior MLOps Engineer to own and evolve the infrastructure that underpins its growing AI and machine learning platform. You will build scalable, production-grade systems and shape the technical direction of the business.You will collaborate with ML engineers, data scientists and software engineers to deploy, monitor and scale AI...

SOLR AI is seeking a founding engineer to join the leadership team in London. You will turn a platform into a contract-ready, observable, and secure system capable of onboarding enterprise clients, with a focus on reliability and scalable architecture.You will work directly with Anna, the CTO, to architect end-to-end solutions, deploy production ML, and ship...

Do Health seeks a Founding Backend Engineer to join its fast-growing team inside Voy. You’ll own core backend systems, design scalable architectures, and ship features end-to-end in a tightly coupled, product-focused environment.You’ll work directly with our lead engineer and cross-functional partners including design and clinical teams, building...