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Senior Software Engineer
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Senior Software Engineer | Hybrid – London | £95,000 – £110,000 DOE
We’re partnering with a high-growth B2B PropTech SaaS business that’s transforming how property professionals access and leverage land data across the UK.
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 2 Senior Software Engineers to help shape the next phase of the platform.
This is a hands-on role within an engineering-led, collaborative environment, ideal for someone who enjoys balancing architectural ownership with meaningful day-to-day coding.
The Role
As Senior Software Engineer, you’ll combine deep technical expertise with strong architectural oversight. You’ll help to drive technical excellence across the organisation and influence the long-term direction of the platform.
You’ll contribute to the codebase daily while also shaping standards, systems, and engineering culture.
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What You’ll Be Doing
Technical & 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
Hands-On Engineering
- 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
- 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
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What We’re Looking For
- 7+ years’ experience in software engineering
- Proven experience building and scaling SaaS platforms
- Experience leading architectural decisions and system design initiatives
- Strong full-stack capability in modern JavaScript/TypeScript environments
Tech Stack
- Frontend: React, Tailwind
- Backend: Node.js, tRPC
- Databases: PostgreSQL, Elasticsearch
Why Apply?
- Hybrid working
- Competitive salary + EMI scheme
- 25 days holiday + bank holidays + birthday off + Christmas shutdown
- Health cash plan (including dental)
- £500 annual personal development budget
- MacBook + home office contribution
- Collaborative, ambitious team culture with regular socials and company trips
If you’re an experienced engineer who thrives on technical depth, and you want to help scale a genuinely high-impact data platform, we’d love to share more.
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