Lead Software Engineer

In just a few years, the company has built one of the most advanced property data platforms in the market, integrating thousands of data sources and processing terabytes of information with sub-24-hour latency. With strong product-market fit, continued revenue growth, and ambitious scaling plans, they’re now hiring a Lead Software Engineer to help shape the next phase of the platform.

This is a hands-on leadership role within an engineering-led, collaborative environment, ideal for someone who enjoys balancing architectural ownership with meaningful day-to-day coding., As Lead Software Engineer, you’ll combine deep technical expertise with strong leadership and architectural oversight. You’ll drive technical excellence across the organisation, mentor engineers, and influence the long-term direction of the platform.

This is not a purely managerial role, you’ll contribute to the codebase daily while also shaping standards, systems, and engineering culture.

What You’ll Be Doing

Technical Leadership & Architecture

• Provide architectural oversight across frontend, backend, and data infrastructure
• Set engineering standards and champion best practices in scalability, reliability, and maintainability
• Lead complex system design discussions, balancing speed, scope, and long-term scale
• Shape the technical roadmap alongside product and data leaders
• Develop high-quality front-end features using React (Vite) + Tailwind
• Design and ship scalable, type-safe APIs using Node.js, Express, and tRPC
• Optimise and maintain PostgreSQL databases and query performance
• Collaborate with the data team to evolve Elasticsearch-driven architecture
• Own delivery of complex features from discovery through deployment and monitoring

Team Leadership & Cross-Functional Impact

• Mentor senior and mid-level engineers through pairing, reviews, and coaching
• Foster a high-performance engineering culture built on ownership and continuous improvement
• Work closely with product, design, and data stakeholders to ensure technical input shapes roadmap decisions
• Translate complex technical challenges into clear, actionable insights for non-technical teams

• 7+ years’ experience in software engineering
• 2-3+ years operating in a Lead, Staff, or Senior+ capacity
• Proven experience building and scaling SaaS platforms
• Experience leading architectural decisions and system design initiatives
• Frontend: React, Tailwind

• Competitive salary + EMI scheme
• 25 days holiday + bank holidays + birthday off + Christmas shutdown
• MacBook + home office contribution
• Collaborative, ambitious team culture with regular socials and company trips