React / UI Software Developer (Contract)

React / UI Software Developer (Contract)

Posted Today by Eagle cliff

Negotiable
Undetermined
Undetermined
London, Waterloo

Summary: Exciting opportunity for a React / UI Software Developer to join a global Energy company undergoing a transformation from traditional Oil & Gas to a future-focused Energy leader. The role involves contributing to the design and development of user-centric web applications within a delivery team, utilizing modern technologies. Candidates should have proven experience in delivering React-based applications and be comfortable working in a collaborative, Agile environment.

Key Responsibilities:

  • Design and develop high-quality, responsive UIs using Svelte and TypeScript
  • Build modular, reusable, well-tested components aligned to enterprise design standards
  • Collaborate with UX/UI designers to implement designs accurately and accessibly
  • Integrate front-end components with backend APIs (REST / GraphQL)
  • Contribute to CI/CD pipelines, code quality, and automated testing (unit and integration)
  • 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), contributing across the sprint lifecycle

Key Skills:

  • Proven commercial experience delivering React-based web applications
  • Previous contract or consulting experience in enterprise or regulated environments preferred
  • Experience working alongside cloud, platform, and backend engineering teams
  • Background in UI-heavy, data-driven, or trading/analytics applications is a plus
  • React and/or Svelte
  • TypeScript and modern JavaScript (ES6+)
  • HTML5, CSS3, responsive design
  • State management (Redux, Context API or equivalent)
  • REST / GraphQL API integration
  • Front-end testing (Jest, React Testing Library or equivalent)
  • Git-based workflows and CI pipelines

Salary (Rate): undetermined

City: London

Country: UK

Working Arrangements: undetermined

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Exciting opportunity for a React / UI Software Developer to join this global Energy company.

This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk within the Energy Trading team and ventures into cutting-edge solutions that address the evolving demands of the Energy sector.

We’re looking for an experienced senior front-end engineer to join a delivery team building modern, cloud-hosted digital products.

This is a hands-on, delivery-focused contract role you’ll contribute to the design, development, and ongoing evolution of user-centric web applications, working closely with UX designers, backend engineers, and product owners.

What you’ll be doing

Design and develop high-quality, responsive UIs using Svelte and TypeScript
Build modular, reusable, well-tested components aligned to enterprise design standards
Collaborate with UX/UI designers to implement designs accurately and accessibly
Integrate front-end components with backend APIs (REST / GraphQL)
Contribute to CI/CD pipelines, code quality, and automated testing (unit and integration)
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), contributing across the sprint lifecycle

Background & experience

Proven commercial experience delivering React-based web applications
Previous contract or consulting experience in enterprise or regulated environments preferred
Experience working alongside cloud, platform, and backend engineering teams
Background in UI-heavy, data-driven, or trading/analytics applications is a plus

Technical skills

React and/or Svelte
TypeScript and modern JavaScript (ES6+)
HTML5, CSS3, responsive design
State management (Redux, Context API or equivalent)
REST / GraphQL API integration
Front-end testing (Jest, React Testing Library or equivalent)
Git-based workflows and CI pipelines

This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. You also need to be a self-starter, a logical thinker and a quick learner, with strong initiative and excellent communication, interpersonal and presentation skills, able to write clearly and concisely. We believe in equality of opportunity for all job applicants regardless of gender, marital status, race, colour, nationality, ethnic origin, creed or religion, disability, sexual orientation or age.

With a focus within Energy Trading, Oil & Gas, Financial Markets and Commodities, we offer a transparent Recruitment Service that has proven to be reliable and effective for over 40 years. We are ISO accredited and proud of our excellent TrustPilot Reviews. Your search for a New Contract Assignment or for a New Permanent Job will be in safe hands with Eaglecliff Recruitment. Please telephone for an immediate response or email your CV for a quick response. Eaglecliff Ltd is acting in the capacity of an employment agency for permanent recruitment and an employment business for contractor resourcing.