Full Stack Developer

Role : Lead Engineer (I)Reporting To : Chief Technology OfficerSalary : £100,000 - £120,000 dependent on experienceWorking Location : Hybrid/ London (2 days a week on site at our Old Street office) About SearchlandSearchland is a high-growth, B2B prop-tech company transforming how businesses and individuals access and leverage property data. Our platform empowers property developers, land agents, architects, and planners with real-time insights, helping them make smarter, data-driven decisions when acquiring and developing land.In just five years, we've built one of the UK's most advanced property data pipelines, integrating thousands of data sources and processing terabytes of information with less than 24-hour latency. Our cutting-edge platform is shaping the future of property intelligence. About The RoleWe're looking for a Lead Full-Stack Engineer who will combine deep technical ability with strong leadership and architectural oversight. You will drive technical excellence across the organisation, mentor and develop engineers, and help shape the long-term direction of Searchland's platform.This is a hands-on role - expect to contribute to the codebase daily - but also a highly strategic one. You will influence product direction through technical insight, guide multidisciplinary squads (engineering, data, design), and help build and scale a high-performing engineering organisation. What You'll DoTechnical Leadership & ArchitectureProvide architectural oversight across frontend, backend, data infrastructure, and platform componentsSet engineering standards and champion best practices in reliability, scalability, and maintainabilityLead complex technical design discussions, ensuring trade-offs between speed, scope, and scale are well balancedShape Searchland's technical roadmap in partnership with product and data leadersTeam Leadership & MentorshipMentor senior and mid-level engineers, supporting growth through coaching, pairing, and design reviewsSupport multidisciplinary collaboration across data, design, and product teamsDelivery & Hands-On EngineeringLead by example with high-quality contributions across the full stackDevelop performant, accessible front-end features using React (Vite) + TailwindDesign and ship scalable APIs using Node.Js, Express, and tRPCMaintain and improve PostgresQL database and query performanceWork closely with our data team to evolve Elasticsearch-driven architecturesOwn delivery of complex projects from discovery through deployment and monitoringCross-Functional ImpactTranslate complex technical challenges into clear, actionable insights for non-technical stakeholdersProactively identify opportunities to improve product performance, reliability, and developer experience You AreAn experienced engineer who has led teams or initiatives and thrives on pairing technical depth with leadership impact. You think holistically - systems, teams, product - and you influence through clarity, pragmatism, and strong delivery instincts.You likely bring:A proven track record leading engineering initiatives or teams in a high-growth environmentStrong communication skills and the ability to influence product direction through technical framingExperience mentoring engineers and helping teams deliver high-quality software at paceComfort working with data engineers, designers, and product managers in multidisciplinary squadsA proactive, ownership-driven mindset Essential ExperienceRight to work in the UK7+ years in software engineering with at least 2-3 years in a lead, staff, or senior-plus roleDemonstrable experience building and scaling SaaS platformsExperience leading technical architecture or system design initiativesExperience mentoring or managing engineersStrong experience with our stack (or strong adjacent experience):Frontend: React (Vite), TailwindBackend: Node.Js, Express, tRPCDatabases: PostgreSQL, Elasticsearch Desired ExperienceWorking in PropTech or data-heavy product environmentsPrior experience building or scaling engineering teamsFamiliarity with UK planning, property, or geospatial data Interview ProcessInitial introductory call with our HR TeamPre prepared technical task (React + Tailwind + tRPC + PostgreSQL) with a walkthrough & system design interview with a Senior EngineerFinal interview with the Chief Technology Officer Why Join Us?Flexibility: Hybrid working with two days in our Old Street officeWellbeing & balance: 25 days holiday + bank holidays, your birthday off, Christmas office shutdown, and a HealthShield employee cash plan including dentalGrowth & development: Learn across onboarding, customer engagement, and project work, with mentoring and clear opportunities to progress in SaaS.Tools & support: A MacBook and contribution to a home office setup, EMI scheme, and £500 per year personal growth fund.Great culture: Free lunches and team socials (bake-offs, 3 Peaks challenge, staycations, holidays abroad when targets are hit) Our Commitment to InclusionWe are committed to creating an inclusive, diverse workplace where every team member feels valued, heard, and empowered. If you need any accommodations during the recruitment process, we are here to support you. We welcome applications from all backgrounds, regardless of race, ethnicity, gender, sexual orientation, disability, age, religion, or any other characteristic. If you require any adjustments during the recruitment process, please let us know-we are happy to support you. Similar jobs, Lead Developer, Full Stack Engineer, Azure, .NET, C#, React, LogicApps, Mainly RemoteLead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion it may..., About us:At Diligent, we are on a mission to help fintechs and banks automate and enhance Anti-Money Laundering operations with AI agents. 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