Senior Software Engineer

Job title: Senior Software Engineer

Job type: Permanent

Salary: Up to £85,000 (depending on experience)

Role Location: Central London – Hybrid (1–2 days per week in office)

The company:

Signify are partnered with a fast-growing fintech redefining how underserved communities access financial products. Backed by leading VC and private equity investors and with hundreds of millions already deployed, our client has established strong product-market fit and is now scaling rapidly - making this an exciting time to come on board.

Role and responsibilities:

A high-impact individual contributor role at the heart of our client's engineering function. The successful candidate will ship high-quality code across the full stack while acting as the internal expert on how AI and automation can safely accelerate the way the team builds software.

• Deliver clean, maintainable code across the full stack
• Identify bottlenecks and implement AI-supported workflows to improve delivery velocity
• Champion AI-assisted development tools — evaluating their benefits and being clear-eyed about the risks (security, hallucinations, maintainability)
• Collaborate with Product and Leadership to translate commercial goals into technically sound plans
• Provide technical leadership on the most complex architectural and performance challenges

Job requirements:

• Strong experience with JavaScript/TypeScript and Java/Kotlin, NestJS or React, and PostgreSQL or MongoDB
• Hands-on experience with AWS, Docker, Terraform, and modern CI/CD pipelines
• A practical, nuanced understanding of AI coding tools (e.g. GitHub Copilot, Cursor) - how to use them effectively and where the risks lie
• Demonstrable and systematic usage of Agentic AI in the SDLC is a must.
• A track record of improving both quality and velocity of delivery in a fast-paced environment
• Ability to connect technical decisions to business outcomes, particularly in regulated environments

Benefits:

• Discretionary annual bonus
• 25 days annual leave
• Health insurance
• Life insurance
• 3% pension contribution
• Monthly socials
• Friendly, informal environment with a focus on performance and impact

Accessibility Statement:

We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process.