Principal UI Engineer

Principal UI Engineer page is loaded Principal UI Engineerlocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R4403The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.Through our people and technology, we connect clients to superior liquidity and data solutions.The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world's leading provider of OTC data, and an award winning all-to-all trading platform.The Group operates from more than 60 offices in 27 countries. We are 5,300 people strong. We work as one to achieve our vision of being the world's most trusted, innovative, liquidity and data solutions specialist. Role Overview As a Principal UI Engineer at TP ICAP you will be part of a talented team delivering business critical software for the internal broking division and their external customer base.You will work within an Agile environment, from design through to implementation, with a strong focus on continuous improvement whilst working collaboratively as part of self-organising, cross-functional team with a focus on continuous integration and deployment. Role Responsibilities Collaborate with your peers to define and evolve the front-end architecture across products and platforms, ensuring scalability, performance, and maintainability. Drive consistency and standards in best-practices, component libraries, design systems, and front-end tooling. Lead code reviews and technical design discussions for high-impact features, acting as a technical leader across multiple squads. Mentor other front-end developers, helping them grow in technical depth and leadership. Evaluate emerging front-end technologies and lead adoption where appropriate. Communicate technical decisions and trade-offs clearly to both technical and non-technical stakeholders. Represent front-end engineering in strategic planning, product discussions, and roadmap alignment. Ensure transparency on progress, risks, and dependencies across teams and leadership. Experience / Competences Essential Demonstrable experience building modern, scalable, and maintainable web interfaces using React/Typescript/JavaScript and HTML/CSS, following structured, reusable design patterns rooted in object-oriented programming Demonstrable experience with HTML5, React, Typescript, JavaScript, ES6 and JSX Experience delivering consistent UX and UI for cross-browser compatibility Experience using libraries such as Material UI or Ant Design Experience creating end-to-end, integration, and regression tests using automation tools such as Selenium, Cypress, Playwright or similar Experience using build tools such as Webpack or Vite and configuration files Knowledge of performance optimisation techniques to optimise web performance and load times Knowledge of web security best practices to protect applications from vulnerabilities Appreciation of the full SDLC, proactive involvement in shaping the delivery prior and during development, through QA phase, and post-release support Be pragmatic and delivery-focused, evaluating/challenging designs and approaches to achieve the best outcome for the project, capable of working on multiple tasks simultaneously and managing deadlines Excellent attention to detail, highly organised with a proactive and independent approach to problem solving and innovative solutions, using POC(s) to validate approaches Proficient in testing and documenting systemsDesired Experience using Figma for design mock-ups and collaboration Experience using Storybook for design and build of UI components Experience of financial/trading platforms and knowledge of financial markets Experience with OpenFin Experience with AWS services Experience with C# and relational databases Experience with TDD, BDD or similar approaches Job Band & Level: Manager / 7 Company Statement We know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That's why we're building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute. TP ICAP Accord - our Employee Network - is a central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement. Location UK - 135 Bishopsgate - London Connecting clients, communities and colleagues for sustainable growth TP ICAP connects people, platforms, ideas, and insight across the world's financial, energy and commodities markets. As a global leader in market infrastructure and data-led solutions, we enhance market access, increase efficiencies, and unlock possibilities. Work with us Joining TP ICAP puts you at the heart of markets that matter.You'll have the freedom to innovate and act on your initiative. We'll train you and build your abilities in your specialist area, so that you can become an expert in your field. And all within a connected network that's there to set you up for success.TP ICAP Group is a collection of premium brands each with a distinct, client-focused offering. Underpinning and connecting these client-facing brands is the financial security, operational strength and know-how we have as a Group.Connections are at the heart of what we do. We combine our people's know-how with the latest technology to improve price discovery, trade execution and liquidity flow.Connections create strength. Through them, we help our clients to manage risk, realise investment strategies and expand the scope for growth.And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people. Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond to change, whatever direction the world takes. It's what makes TP ICAP a mainstay in the global markets, now and in the future.TP ICAP. We connect.