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# Lead Software Engineer

- **Company:** Aveni
- **Location:** Shrewsbury, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Mobile Application Development, Code Review, Software Design Documents, Python (Programming Language), Node.Js, Systems Development Life Cycle, ReactJS, Large Language Models, Prompt Engineering, Model Validation, Machine Learning Operations, Serverless Computing
- **Published:** June 6, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/38365052/

## About the Role

A seasoned engineer with 10+ years of experience, including meaningful time building and operating AI/ML systems in productionReal technical leadership. You've set direction, made architectural calls, mentored others, and influenced how a team builds, not just what it shipsStrong hands-on AI/LLM skills: prompt engineering, RAG, model evaluation and agent frameworks. You know how these work in production, not just in demosDeep expertise in Node.js, with solid experience in the other; comfortable switching contexts depending on what the problem needsCloud-native development on AWS. Serverless, event-driven, Lambda, with an instinct for well designed, maintainable systemsA genuine curiosity about where AI is going and the judgment to separate signal from noise when recommending what to adoptAn instinct for building responsibly. You care about auditability, compliance, and the downstream impact of what you ship

## Description

We're looking for a Lead Software Engineer to be the most senior technical voice in one of our product squads, working as a technical co-leader alongside the Engineering Manager. You'll own the squad's technical direction and engineering quality end to end, from architectural decision making and hands-on delivery, to mentoring engineers and shaping how we build across the organisation. This role demands genuine depth in AI. You'll be leading LLM powered feature development and setting the standard for how AI tooling amplifies the whole engineering process, combined with the full-stack and cloud-native chops to back it up.
What you'll be doing
Setting technical direction for your squad. Owning architectural decisions, managing technical risk, and representing the engineering perspective at our Architecture Review BoardDriving adoption of AI coding tools across the full SDLC, from planning and design through code review, testing, deployment and setting the bar for how the squad worksDelivering production grade code across the full stack: Node.js or Python backends, event-driven AWS architecture, and React where the squad needs itMentoring and growing engineers across AI and full-stack domains, through code reviews, design documents, and day-to-day pairingCollaborating with platform teams to consume shared capabilities and contribute reusable patterns back, not building one-off solutions when a platform component will doEnsuring everything we ship is compliant-by-design, auditable, and built to the standards expected of software in FCA regulated financial services


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