Software Engineer | Front End | London

Software Engineer | Front End - React | London - Hybrid

Our client is a forward-thinking global firm thats redefining the future of finance through technology.

They are looking for a Front-End React Engineer whos passionate about clean design, performance, and scalability, someone who thrives on combining creativity with technical precision.

The Opportunity

Youll join a dynamic development team, responsible for building the tools, platforms, and applications that empower investment professionals across the business.

The team is currently re-architecting its technology stack to become fully cloud-native (AWS), using React for front-end development and Python for backend services.

Youll be working in a culture that values craftsmanship, test-driven development, clean code, and collaboration through pair programming and code reviews.

What Youll Do

  • Build dynamic front-end applications and UI components using React, TypeScript, and modern libraries.
  • Collaborate with UX and product teams to refine user journeys and ensure intuitive design.
  • Deliver scalable and testable code within a cloud-native architecture.
  • Partner with portfolio managers, researchers, and analysts to translate complex needs into smart technical solutions.

London City, hybrid working model with 3 days per week in the office.

Highly competitive package + bonus + benefits

What Youll Bring

  • Strong experience with React, TypeScript, Redux, Apollo Client , and GraphQL/REST APIs .
  • Experience working in a cloud-native environment ( AWS or Azure ).
  • Familiarity with data streaming (WebSockets, chunked responses) and front-end performance optimisation .
  • Strong understanding of testing frameworks (unit, integration, E2E) - Playwright experience a plus.
  • Bonus points for knowledge of Material UI or other design systems, and data visualisation tools.

About You

  • A proactive technologist who loves solving problems and building user-first software.
  • Comfortable owning projects end-to-end and working across teams.
  • Curious, collaborative, and always eager to improve.
  • Someone who values diversity of thought and thrives in an inclusive, forward-thinking workplace.

If you are interested in this Software Engineer role, please apply directly with your updated CV or email it to chantelle.smith@sourcegroupinternational.com

Company
SGI
Location
United Kingdom, UK
Hybrid / WFH Options
Employment Type
Part-time
Posted
Company
SGI
Location
United Kingdom, UK
Hybrid / WFH Options
Employment Type
Part-time
Posted