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Senior Fullstack Engineer
REalyse
- London, England, United Kingdom
- London, England, United Kingdom
Über
About REalyse REalyse operates in the PropTech space with a focus on data and analytics. We’ve built the foundational technologies powering some of the most advanced property data tools in the UK enabling our customers to make better faster data-driven real estate decisions.
Our products bring together massive datasets on property planning demographics and investment performance into a unified platform. We’re a small ambitious and technically strong team solving complex problems in a fast-moving industry and we’re looking for someone who wants to help shape the next generation of property intelligence products.
The Role We’re looking for a senior full-stack engineer who combines strong technical depth with an entrepreneurial mindset—someone who can prototype quickly, deliver end-to-end and help us scale and evolve our platforms.
You’ll work across our modern data and application stack from TypeScript and React on the front end to Golang and PostgreSQL / ClickHouse on the backend all deployed through AWS. You’ll have a high degree of autonomy working within a small cross-functional team that moves fast and values clarity, quality and measurable business impact.
What You’ll Do
Design, build and maintain performant front- and back-end systems across our data and analytics products.
Prototype rapidly and iterate on ideas that can become new products or core features.
Deliver production-quality code and infrastructure that scales reliably.
Collaborate with product data and design to turn concepts into shipped features.
Contribute to architectural decisions and technical strategy.
Mentor and support other engineers in modern full-stack development practices.
Help evolve our CI / CD and deployment pipelines with a focus on automation, observability and developer experience.
What You’ll Bring We’re not looking for a jack of all trades; we’re looking for someone who excels in full-stack development across most of our stack and is eager to close any remaining gaps fast. You’ll need to show strong hands‑on experience with:
TypeScript & React (including modern tooling and patterns)
TailwindCSS or an equivalent styling framework
XState or other state machines for predictable UI logic
REST & GraphQL API design and integration
Data visualisation (e.g. Recharts or similar)
Golang (our core backend language)
PostgreSQL & ClickHouse including schema design and query optimisation
Automated testing including unit and end-to-end (we use Vitest & Playwright)
AWS particularly ECS Fargate, S3, CloudFront, Lambda and related DevOps tooling
Highly Desirable
Familiarity with geospatial data and web mapping (e.g. Mapbox PostGIS)
Proven experience building and optimising APIs for large data volumes
Ability to design, set up and maintain CI / CD pipelines
Experience with React Native and delivering mobile app experiences
Experience working with AI‑assisted tooling (e.g. GitHub Copilot Cursor or prompt‑based workflows) and awareness of their trade‑offs
Demonstrated ability to work in a start‑up or scale‑up environment wearing multiple hats when required
Strong sense of product ownership—you can articulate not only how something should be built but why
Who You Are
You think and act like an owner, entrepreneurial, proactive and self‑driven.
You can move fast without compromising quality.
You’re comfortable with ambiguity and thrive in an environment where priorities evolve.
You care about measurable impact, technical product and business.
You value clarity, simplicity and maintainability in your work.
Benefits
TBC per annum depending on experience
25 days annual leave, generous parental leave
Regular social events, meetups and game nights
International and diverse team culture
Educational resources and professional development opportunities
Hybrid working flexibility
Required Experience Senior IC
Key Skills APIs, C / C++, Computer Graphics, Go, React, Redux, Node.js, AWS, Library Services, Assembly, GraphQL, High Voltage
Employment Type Full‑Time
Department / Functional Area Engineering
Experience years
Vacancy 1
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Sprachkenntnisse
- English
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