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Software Engineer, Full Stack Developer, React.js

Job in St Albans, Hertfordshire, AL1, England, UK
Listing for: Lumin Wealth Limited
Part Time position
Listed on 2026-10-14
Job specializations:
  • Software Development
    Full Stack Developer, React.js, Backend Developer
Salary/Wage Range or Industry Benchmark: 70000 - 90000 GBP Yearly GBP 70000.00 90000.00 YEAR
Job Description & How to Apply Below

We’rea rapidly growing wealth management firm on an ambitious journey to 5x growth over the next 6 years. Our small but mighty data team of 3 has built acutting-edge platform on AWS, delivering everything from real-time dashboards to internal web applications. We believe in shipping fast, learning quickly, and building tools that advisers and clients actually loveto use.

The Opportunity

We’relooking for a Full-Stack Engineer to join as our 4th team member and own the delivery of critical web applications. This is a hands-on role whereyou’llbuild tools that directlyimpactadviser productivity, operational efficiency, and client experience.

You’llwork on everything from internal trading tools to client presentation platforms, with full ownership from concept to production.

Thisisn’taboutmaintaininglegacy systems.

You’llbe building greenfield applications using a modern Type Script stack thatenablesour growth strategy.

What You’ll Do
  • Design, build and deploy full-stack web applications using React, Type Script and Node.js
  • Own multiple projects simultaneously, frominitialrequirements through to production deployment
  • Work directly with advisers and operations teams to understand needs and deliver solutions
  • Build responsive, intuitive frontends that non-technical users love
  • Develop robust APIs and backend services, integrated with internal and third-party systems
  • Deploycontainerisedapplications on AWS EKS with robust CI/CD pipelines
  • Balance “perfect” with “shipped”, knowing when good enough is exactly right
  • Contribute to technical decisions as we scale
  • 3+ years commercial experience building production web applications with Type Script and React
  • Solid SQL skills and experience working with relational databases
  • Experience translating ambiguous business requirements into working software
  • Track recordof delivering projects on aggressive timelines
  • Genuinely autonomous: comfortable owning problems end-to-end with minimal supervision
  • A strong team player who collaborates well and supports colleagues
  • Excellent written and verbal communication skills, with both technical and non-technical stakeholders
  • Financial services or wealth management background
  • Hands-on experience with our core stack (see below)
  • Exposure to AWS, Docker, Terraform and CI/CD pipelines

Youdon’tneed experience across all of this.

It’shere to give you a sense of whatyou’llbe working with day to day.

Core stack
  • Type Script
  • React 18: hooks,Tan Stack Query , React Router, react-hook-form, Tailwind, Radix UI
  • Node.js with Express, Prisma ORM, Zod validation at boundaries
  • PostgreSQL and Redis (BullMQfor background jobs)
  • Testing with Vitest, Testing Library and Playwright
Platform knowledge (not essential)
  • Docker
  • Terraform
  • Git Hub Actions CI/CD
What We Offer
  • Clear project pipeline with high business impact
  • Progression opportunities as the team scales
  • Modern tech stack with autonomy to choose the right tools
  • Direct exposure to senior stakeholders and business strategy
  • Hybrid working (2 days/week in our St Albans HQ) with genuine flexibility
  • Opportunity to shape technology direction at a scaling firm
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