Principal UI Engineer

Principal UI Engineer

The 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 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-organizing, 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 systems

Desired

• 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

Not The Perfect Fit? Concerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity and cultivating a work environment where everyone can flourish, regardless of your personal or professional background. If you are enthusiastic about this role but find that your experience doesn't align perfectly with every aspect of the job description, we strongly encourage you to apply. You may be the ideal candidate for this position or another opportunity within our organization. Our dedicated Talent Acquisition team is here to assist you in recognizing how your unique skills and abilities can be a valuable contribution. Don't hesitate to take the leap and explore the possibilities. Your potential is what truly matters to us.

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