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Job Description

Lead Software Engineer – FinTech

A high-growth FinTech is expanding its engineering leadership and is looking for a Lead Software Engineer to guide the development of core platform capabilities. Their products enable businesses across the UK, and the organisation is scaling quickly as demand increases.

This position is ideal for someone who enjoys hands-on engineering while also influencing architecture, mentoring others, and shaping how modern software is built and delivered.

What You’ll Take Ownership Of

As a technical leader within the team, you’ll be responsible for:

Designing, building, and improving large-scale distributed systems Working across both backend (Python) and frontend (TypeScript/React) components Taking full lifecycle ownership of your work — from concept to deployment and ongoing operation Contributing to architectural direction and evaluating technical decisions Supporting and uplifting engineers through mentorship and pairing Helping the team prioritise simplicity, performance, and long-term maintainability Making engineering decisions with product, users, and business impact in mind Leveraging modern tooling and AI-assisted development to optimise delivery

How the Engineering Teams Operate

Squads are cross-functional with engineers, product, and design working closely together Work is guided by clear outcomes and real user needs Continuous deployment is the default, supported by fully automated pipelines Strong emphasis on testing, reliability, and observability Engineers hold end-to-end responsibility for the systems they create The platform is cloud- and designed for scale, resilience, and rapid iteration

Engineering Culture

A collaborative environment where ideas are shared openly and respectfully Diverse teams where is part of the everyday culture Engineers have freedom to experiment and propose new approaches Low-ego, supportive leadership focused on enabling people to do their best work A culture of continuous learning and improvement, backed by data and real-world feedback

Tech Environment

You’ll work with a modern and thoughtful stack, which includes:

Python • TypeScript • React • PostgreSQL • BigQuery • MySQL • Docker • Terraform • AWS • GCP • ECS Fargate

Plus a strong testing culture powered by: Jest • Cypress • pytest • React Testing Library

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.