Senior Front-End REACT/Svelte Software Developer - Commodity/FX Trading Platform

Senior Front-End REACT/Svelte Software Developer - Commodity/FX Trading Platform

Posted Today by Templeton and Partners

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Negotiable
Inside
Hybrid
London, UK
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Agile Methodology Application Programming Interface (API) Back End (Software Engineering) Cloud Computing Cloud Engineering Cloud Technology Continuous Integration and Continuous Delivery Foreign Exchange Markets Front-End Engineering Front End (Software Engineering) JavaScript (Programming Language) Management Microsoft Azure React.js Real Time Data Software Development Sprint Planning Stakeholder Management Svelte (Software) Usability User Interface Workflows

Summary: The role of Senior Front End REACT/Svelte Software Developer involves joining a technology team to build high-performance digital trading platforms for Commodity and FX markets. This hands-on contract position requires an experienced Front End engineer to design and develop modern trading UIs that support real-time data and analytics. The developer will collaborate with various stakeholders to deliver production-grade applications in a complex enterprise environment. The position is hybrid and spans a 12-month contract duration.

Key Responsibilities:

  • Design and develop high-quality, responsive trading interfaces using Svelte and TypeScript
  • Build modular, reusable UI components aligned with enterprise design systems
  • Collaborate closely with UX/UI designers to deliver accessible, intuitive user experiences
  • Integrate Front End components with Back End services and APIs (REST/GraphQL)
  • Contribute to CI/CD pipelines, automated testing, and code quality standards
  • Participate in code reviews, technical discussions, and solution design
  • Diagnose and resolve performance, usability, and browser-compatibility issues
  • Work within Agile delivery teams (Scrum/Kanban), supporting sprint planning and delivery

Key Skills:

  • Strong hands-on experience with React and/or Svelte
  • TypeScript and modern JavaScript (ES6+)
  • Component-based UI development
  • State management (Redux, Context API, or equivalent)
  • HTML5, CSS3, responsive design, and modern styling approaches
  • Experience consuming APIs and handling asynchronous data flows
  • Front End testing frameworks (Jest, React Testing Library, or similar)
  • Git-based workflows and CI pipelines

Salary (Rate): undetermined

City: London

Country: UK

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:
  • Senior Front End REACT/Svelte Software Developer (12 Month Contract inside)
  • Commodity/FX Trading Platform
  • Hybrid | 12 Month Contract inside | Front End Engineering

We're hiring a Senior Front End/UI Software Developer to join a technology team building high-performance digital trading platforms used across Commodity and FX markets.

This is a hands-on contract role suited to an experienced Front End engineer who is comfortable operating in complex, enterprise-scale environments, working closely with traders, product owners, designers, and Back End engineers to deliver production-grade, data-intensive applications at pace.

The Role

You'll play a key role in the design and development of modern trading UIs, supporting Real Time data, analytics, and workflow-driven user experiences critical to Commodity and FX trading operations.

Key Responsibilities

  • Design and develop high-quality, responsive trading interfaces using Svelte and TypeScript
  • Build modular, reusable UI components aligned with enterprise design systems
  • Collaborate closely with UX/UI designers to deliver accessible, intuitive user experiences
  • Integrate Front End components with Back End services and APIs (REST/GraphQL)
  • Contribute to CI/CD pipelines, automated testing, and code quality standards
  • Participate in code reviews, technical discussions, and solution design
  • Diagnose and resolve performance, usability, and browser-compatibility issues
  • Work within Agile delivery teams (Scrum/Kanban), supporting sprint planning and delivery

Essential Technical Skills

  • Strong hands-on experience with React and/or Svelte
  • TypeScript and modern JavaScript (ES6+)
  • Component-based UI development
  • State management (Redux, Context API, or equivalent)
  • HTML5, CSS3, responsive design, and modern styling approaches
  • Experience consuming APIs and handling asynchronous data flows
  • Front End testing frameworks (Jest, React Testing Library, or similar)
  • Git-based workflows and CI pipelines

Desirable Experience

  • Exposure to Commodity, FX, or financial trading platforms
  • Enterprise-scale React frameworks or design systems
  • Component libraries and Storybook-style tooling
  • Cloud-hosted environments (Azure or similar)
  • Front End performance optimisation and observability
  • Accessibility standards (WCAG) and inclusive design
  • Node.js or Front End-adjacent tooling

Ways of Working

  • Comfortable in large, multi-team enterprise trading environments
  • Able to work independently and manage priorities effectively
  • Strong communicator with both technical and non-technical stakeholders
  • High engineering standards around quality, maintainability, and documentation
  • Experience with data-heavy, Real Time, or analytics-driven UIs is a plus

Background

  • Proven commercial experience delivering React-based or Svelte-based web applications
  • Previous contract or consulting experience preferred
  • Experience working alongside Back End, platform, and cloud engineering teams
  • Trading domain knowledge (Commodity or FX) beneficial but not essential

Interested? Apply now or get in touch to discuss further.

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