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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer, Team Lead - **Company:** MARSH LLC. - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £66,514.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Code Review, Databases, Continuous Integration, Python (Programming Language), MongoDB, Prism (Software), Scrum Methodology, Role-Based Access Control, Next.js, Software Deployment, SQL Databases, Data Streaming, Strategies of Testing, ReactJS, Large Language Models, Prompt Engineering, Backend, Fastapi, Api Design, Software Coding, Data Pipelines - **Published:** August 14, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5841933799 ## About the Role * Experience managing a team, as this role involves leading a team of 5 as well as contributing hands-on coding work. * Proven experience as a Tech Lead / Lead Engineer delivering production software, including hands-on coding and code review ownership. * Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications. * Experience working directly with business stakeholders in a financial firm, with the ability to explain technical tradeoffs clearly. * Demonstrated ability to lead delivery with an agile team across time zones (e.g., sprint ceremonies, prioritization support, and team coordination). What makes you stand out? * Prior experience in UK pensions covenant / advisory / trustee-facing tools, and strong ability to connect technical design to covenant outcomes. * Experience with Python-based services (e.g., FastAPI) and modern web stacks (e.g., Next.js/React.js) in real-world delivery. * Practical experience delivering GenAI/agentic solutions (prompt engineering, RAG, governance patterns) in production or controlled enterprise environments. * Worked with data pipelines / SQL databases / Mongo databases or Document storages. ## Description * Lead end-to-end delivery of CAT products (e.g., Concierge an agentic AI workflow tool, Prism a Mercer knowledge fabric for scheme data, and similar initiatives), from problem framing and design through build, release, and support. * Translate risk advisory / consulting needs into clear technical requirements, user stories, and solution designs; partner with stakeholders through UAT and rollout. * Own the backend and integration approach (APIs, data flows, security, RBAC), and ensure solutions are scalable, maintainable, and well documented * Provide technical leadership for a distributed team (London + India): sprint planning input, code reviews, mentoring, and raising engineering standards. * Drive quality and operational readiness: testing strategy, CI/CD, release notes, production deployment governance, and incident/root-cause management. * Identify and deliver pragmatic AI/ML opportunities where valuable (e.g., agentic workflows, RAG/LLM-enabled capabilities) with appropriate governance and human-in-the-loop controls., * We help you be your best through professional development opportunities, interesting work and supportive leaders. * We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities. * Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being. ## Related Videos - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis) - [Intro to FastAPI](https://www.wearedevelopers.com/videos/462-intro-to-fastapi) - [Agentic employees in world's most downloaded FinTech app](https://www.wearedevelopers.com/videos/100123-agentic-employees-in-world-s-most-downloaded-fintech-app) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) ## Related Articles - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The Prompt Engineer ✍️](https://www.wearedevelopers.com/magazine/216-the-prompt-engineer)