Lead Software Engineer: Java, AWS, AI | Hybrid London

SR2 | Socially Responsible Recruitment | Certified B Corporation™; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

SR2 is partnering with a FinTech business in London to hire a Lead Software Engineer who still loves coding. The role centers on system architecture, distributed services, and AI-powered tooling, with 2 days a week in the London office.

You will lead a small engineering team, work with a hands-on CTO and Principal Engineer, and drive architecture decisions while tackling real-time tech across Docker and React/TypeScript. GDPR knowledge and finance sector exposure are valued.

Qualifications

• Experience leading engineering teams or mentoring engineers.
• Strong Java background with hands-on coding and architecture oversight.
• Familiarity with AWS and distributed systems in a FinTech context.

Responsibilities

• Lead, support and unblock a small engineering team.
• Make architecture decisions alongside a hands-on CTO and Principal Engineer.
• Get stuck into distributed systems, event-driven services, APIs and AWS.
• Improve CI/CD, testing and releases processes.
• Work across Docker, React/TypeScript and real-time technology.
• Experiment with AI coding agents in the build process.

Skills

Java

AWS

Kafka

React/TypeScript

Distributed systems

CI/CD

AI coding tools

Tools

Docker

Job description

SR2 is partnering with a FinTech business in London to hire a Lead Software Engineer who still loves coding. The role centers on system architecture, distributed services, and AI-powered tooling, with 2 days a week in the London office.

You will lead a small engineering team, work with a hands-on CTO and Principal Engineer, and drive architecture decisions while tackling real-time tech across Docker and React/TypeScript. GDPR knowledge and finance sector exposure are valued.