AI Software Engineer
About this role
Primary Purpose of Role You will combine deep software engineering experience, excellent judgment and a demonstrable interest in AI to help shape the way we build our next generation of products. Initially working in a small, focused team, you will help lead and progress the development of our foundational AI-native / AI-first engineering approach, embedding and amplifying the power of AI to build and deliver sophisticated planned and future products. Core Accountabilities You will build AI and agent capabilities into our products and services, and exercise the judgment that keeps consequential decisions in human hands. You will deliver engineering outcomes end-to-end, keeping abreast of industry advancements and leveraging proven practices to turn designs into secure, high-quality production-ready code. Experience 10+ years or equivalent experience in software development. Proven experience in either NodeJS (TypeScript) or Python At least 2+ years experience with React or a similar frontend framework. Hands-on experience shipping production code with AI coding agents or assistants (e.g. Claude Code, Cursor or equivalent). Experience integrating LLMs or building agentic / AI features into a product (desirable). Experience in a regulated or financial-services environment (desirable). Role Scope You will operate as an orchestrator of AI coding agents within a human-owned engineering pipeline, accountable for everything that reaches production. The Engineering Harness: Initially working with a small-project team, build and maintain the shared conventions and guardrails that make agents safe and useful. Keep the team’s single source of truth intact and continuously design out recurring failures. Agent Orchestration & Delivery: Ship production software by directing AI coding agents, owning the merged result end-to-end. Quality, Review & Verification: Ensure agent-generated code meets acceptable standards and architectural decisions by applying strong testing discipline including TDD. AI & Product Capabilities: engineer AI and agent features into the product. A Human Agent for Change: working collaboratively with engineers and product teams to solve problems and align on best practice, documenting decisions throughout. Influencing our next generation of engineers and mentoring on AI practices, experiences and outcomes to raise the bar on quality and outcomes. Skills Orchestrating AI coding agents: task decomposition, context and prompt engineering, defining acceptance criteria and stop conditions. Rigorous review and verification of AI-generated code, backed by strong testing discipline (TDD, plus performance and security testing). Knowing when to keep a human in the loop. Advanced modern JavaScript / TypeScript, NodeJS and React. Web development principles (REST, SPA…). Microservice architecture, AWS and DevOps. Building LLM-powered features: tool-calling, retrieval-augmented generation (RAG), evaluation / eval harnesses and observability (desirable). Familiarity with model-agnostic tooling and routing, e.g. a proxy / gateway layer (desirable). Agile manifesto and SCRUM. Advanced written and verbal communication. Passion for delivering high-quality software and a positive approach to continuous improvement.
What this role is, and what else it is called
Employers in London advertise this kind of work as Software Engineer, Senior Software Engineer, Web Developer and Full Stack Developer too, so it is worth searching more than one wording. It is a mid-level Software Engineering role in London, advertised as on-site.
About hiring at Cloudmargin
Cloudmargin has 1 other live technology role on its careers page, across Software Engineering and Cybersecurity. See all Cloudmargin roles, salaries and stack.
How this role compares to the market
1,970 live UK roles list Python right now, from 583 employers. The median advertised salary is £80,000; 30% are advertised as remote. Browse Python roles.
1,265 live UK roles list JavaScript right now, from 507 employers. The median advertised salary is £50,000; 33% are advertised as remote. Browse JavaScript roles.
London has 4,331 live IT vacancies across 1,366 employers, with a median advertised salary of £70,000. Browse London roles.
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Technologies mentioned
Detected on Cloudmargin's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site. More IT jobs in London.