Jack & Jill
Lead Backend Engineer (£70k-£110k) at Fletchers Solicitors
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Job Title
Lead Backend Engineer (AI)
Salary
£70k-£110k
Company Description
Fletchers Solicitors is a leading private-equity-backed UK law firm currently spinning out its specialist AI team to build Fletch AI, a suite of Natural Language Processing and LLM-based tools designed to automate and transform the legal sector for personal injury and clinical negligence claims.
Job Description
You will own the backend architecture and infrastructure for Fletch AI, a high-growth spin-out within Fletchers Solicitors. As a player-coach, you’ll lead a team of 8+ engineers to build scalable data pipelines and deploy production-grade ML models that automate complex legal claims, driving innovation for both internal users and external law firms.
Location
London, UK
Why this role is remarkable
- Join a high-velocity AI "startup" with the unique advantage of massive proprietary datasets and immediate access to hundreds of domain experts and real-world legal cases.
- Direct reporting line to the executive team and CEO, offering a mandate to move fast from ideation to production with secure private-equity backing.
- Transition from an internal innovation team to a commercialized entity, shaping the technical standards and culture for a team scaling from 10 to 20 engineers.
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What You Will Do
- Design and implement scalable backend applications and data integration pipelines to process unstructured documents, legal case systems, and SQL databases.
- Own technical direction and infrastructure (Azure, Fly.io), overseeing site reliability, disaster recovery, and the transition of data science code into robust production systems.
- Lead and mentor a growing team of 8+ engineers, establishing rigorous software development practices and driving the adoption of AI-enabled coding agents.
The ideal candidate
- Extensive professional experience in backend engineering with a track record of owning production systems, ideally using Python, FastAPI, and Azure.
- Proven leadership capability in a technical lead or mentoring capacity, with the ability to define backend architecture and set long-term technical standards.
- Strong communication skills for "forward-deployed" engineering, comfortable engaging directly with customers and internal stakeholders to scope integrations and resolve issues.
Who are Jack & Jill?
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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