Mostyn Chase
Lead Software Engineer
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Lead Software Engineer (Tech Lead) | Payments
Bracknell (Hybrid 2-3 days in office) | Salary £80,000 - £85,000
Are you a hands-on technical leader with proven experience building production software? Have you set architecture, led design reviews, and owned a squad's technical decisions? Are you strong in C# /.NET with solid AWS experience? Do you use agentic AI coding tools daily and have a clear view on how teams should adopt them?
If yes, this could be the role for you:
We are looking for a Lead Software Engineer to join an established international payments business. You will own how a squad builds and ships, from architecture and API design through to delivery, reliability, and the growth of the engineers on the team. Your code will move money in production.
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What You Will Do
- Lead the engineering team building and running your squad's slice of the payments platform, including services, APIs, and partner integrations
- Set technical direction: architecture, API design, code for the hard parts, design reviews, and code review standards
- Own engineering delivery, working with the Product Manager on roadmap, sprint plans, and what ships when
- Lead and develop engineers through pairing, mentoring, regular 1:1s, and feedback
- Lead the squad's response to production incidents
- Shape how the team adopts AI tooling, setting the example for daily use of agentic coding tools across the SDLC
What We Are Looking For
- Previous experience building production software systems end to end
- Proven technical leadership: architecture, design reviews, mentoring, and accountability for a squad's decisions
- Strong backend skills in C# /.NET preferred; Java, Kotlin, Go, or equivalent welcome
- Working frontend fluency with Vue.js, React, or equivalent
- Strong system design experience, including distributed systems and microservices
- Production AWS experience (SQS, DynamoDB, S3, ECS, Lambda) and ownership of CI/CD pipelines
- Payments, FX, or regulated-industry experience
- Daily use of agentic coding tools with a clear point of view on team adoption
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If you want your decisions to matter, your code to ship fast, and to lead a squad building payments infrastructure at real scale, this is worth a conversation.
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