Frontend Engineer

We are seeking a talented Frontend Engineer with deep expertise in React to join our Engineering team. You will be responsible for building and maintaining high-performance, data-centric web applications that integrate seamlessly with third-party services and in-house APIs. The Engineering team is responsible for the delivery of Energy Aspects’ core web products. You will collaborate with other developers and UX/UI designers to build and style professional, premium-looking web applications, while also working very closely with our Data Analytics and Market Intelligence teams on functional requirements. The ideal candidate will have a strong background in building scalable, efficient frontends, as well as experience with state management, design systems, and working with backend teams. Key Responsibilities Work closely with the webapp delivery team, namely the Product Owner and Technical Architect, to contribute to the development of several web applications Develop high-quality, performant web applications using React and associated libraries, with an emphasis on clean, maintainable code Build reusable components and front-end libraries, adhering to modern best practices Implement responsive designs with cross-browser compatibility and ensure accessibility Contribute to QA via unit and integration tests, to ensure robust and bug-free functionality Skills, Knowledge and Expertise 3-5 years of experience working with React.js and related libraries Strong knowledge of modern JavaScript (ES6+), CSS, and HTML Proficiency in React.js core concepts, including hooks, context API, state management (Redux), routing, error handling, and debugging Experience with TypeScript, including static types, interfaces, and generics Experience with design systems and UI libraries such as Material UI (MUI) Experience with data-heavy applications, including integrating with REST APIs, etc. Knowledge of charting libraries like Highcharts, Plotly.js A passion for building user-friendly, high-performance applications, especially in environments with heavy data processing or visualisations Experience with maps libraries e.g. MapboxGL Understanding of version control systems (git) and dependency managers (npm, yarn) Excellent communication skills Desirable Skills: Python experience is a plus, especially in collaborating with backend teams Experience with CI/CD pipelines and deployment platforms, including Github Actions, CircleCI, Vercel or serverless architectures Experience with build tools like Vite or similar Previous experience with automated test frameworks, e.g. Playwright Experience with GraphQL An interest in commodities, energy, or financial markets; a background in a market intelligence business Our Culture & Benefits Welcome to our unique workplace where a passion for our industry-leading product sits at the heart of who we are. Life at EA is completely eclectic, fostered through the global nature of the business and a real appreciation of the many cultures of our diverse team. We unite as a single, cohesive team through an array of social clubs that cater to a spectrum of interests, from running and yoga to football and culinary adventures. These groups create a collegial and dynamic atmosphere that extends beyond work, promoting a healthy and balanced lifestyle for our team. Our strategically located offices are all set in prestigious buildings, offering you the convenience of nearby gyms, retail therapy, diverse dining options, and accessible public transport. Our office spaces are thoughtfully equipped to enhance your day-to-day experience whether working independently or collaborating with teammates. Enjoy the simple pleasures of a freshly brewed coffee, healthy snacks, and a social space for celebratory moments. One of the unique traits of life at Energy Aspects is the way our international colleagues often delight us with treats from around the globe. It’s safe to say you’ll never go hungry in our offices! We recognise your contribution with a competitive compensation package that includes annual bonuses, comprehensive private health insurance, and substantial pension contributions. Additionally, we offer company share options, subsidised gym memberships, and a generous holiday policy to support your financial and personal well-being. Join a company that values your professional growth and personal fulfilment, all within a supportive and engaging environment.