14 of 14 DemandTrendPermanent UI Engineer Jobs in London

Senior UI Engineer - £120,000 – On-site (Central London) Overview We are hiring a Senior UI Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic trading platform that serves both internal trading teams and … must also be a collaborative team player who communicates clearly and contributes to a high-quality engineering culture. Key Responsibilities Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust and Python) Own performance improvements across dashboards … with QA and DevOps to enhance automated testing and deployment pipelines Lead efforts in securing, scaling, and monitoring the frontend environment Use observability tools (Prometheus, Grafana, Loki) to monitor UI health and performance Drive UI architectural decisions, performance benchmarking, and best practice implementation Skills and Experience Required Degree in Computer Science, Engineering, or a related field 5+ years More ❯

I’m working with one of our big Financials domain client based in the Central London, and they’re looking for a Princiapal Software UI Engineer to join the team. This role requires a highly skilled hands-on professional who is passionate about technology and finance, you will lead the design, development, and implementation of trading applications … while driving the technical direction of the team. The ideal candidate: Expertise in UI using React/Typescript/JavaScript and OO design. Experience in HTML, React, Typescript, JavaScript. Experience in UI Libraries such as Material UI or Ant Design etc. Experience of Trading Business domain. If this sounds like an interesting opportunity to you, feel free More ❯

I’m working with one of our big Financials domain client based in the Central London, and they’re looking for a Princiapal Software UI Engineer to join the team. This role requires a highly skilled hands-on professional who is passionate about technology and finance, you will lead the design, development, and implementation of trading applications … while driving the technical direction of the team. The ideal candidate: Expertise in UI using React/Typescript/JavaScript and OO design. Experience in HTML, React, Typescript, JavaScript. Experience in UI Libraries such as Material UI or Ant Design etc. Experience of Trading Business domain. If this sounds like an interesting opportunity to you, feel free More ❯

I’m working with one of our big Financials domain client based in the Central London, and they’re looking for a Princiapal Software UI Engineer to join the team. This role requires a highly skilled hands-on professional who is passionate about technology and finance, you will lead the design, development, and implementation of trading applications … while driving the technical direction of the team. The ideal candidate: Expertise in UI using React/Typescript/JavaScript and OO design. Experience in HTML, React, Typescript, JavaScript. Experience in UI Libraries such as Material UI or Ant Design etc. Experience of Trading Business domain. If this sounds like an interesting opportunity to you, feel free More ❯

I’m working with one of our big Financials domain client based in the Central London, and they’re looking for a Princiapal Software UI Engineer to join the team. This role requires a highly skilled hands-on professional who is passionate about technology and finance, you will lead the design, development, and implementation of trading applications … while driving the technical direction of the team. The ideal candidate: Expertise in UI using React/Typescript/JavaScript and OO design. Experience in HTML, React, Typescript, JavaScript. Experience in UI Libraries such as Material UI or Ant Design etc. Experience of Trading Business domain. If this sounds like an interesting opportunity to you, feel free More ❯

I’m hiring for our long-term client – this time for a Technical Support Engineer or Application Support Engineer within the User Experience UX role with one of my favourite hiring managers – a strong, collaborative team and a high-performing environment. Contract: 12-month PAYE | Inside IR35 + strong possibility of conversion to FTE Salary: Up … London) Start: ASAP Hours: 40 hours/week | Weekly pay | Laptop provided What’s the role? You’ll support customers working on a cloud-based enterprise platform – helping troubleshoot UI-related issues, debug frontend behaviour, and create small scripts that streamline issue resolution. It’s hands-on, technical, and customer-facing. You’ll collaborate with global engineering and support … teams and have a direct impact on improving customer experience and internal support processes. We’re looking for someone with: UI development or support experience Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development Ability to read/debug JavaScript and use browser developer tools Scripting with JavaScript, Python, Bash or Shell Understanding of More ❯

I’m hiring for our long-term client – this time for a Technical Support Engineer or Application Support Engineer within the User Experience UX role with one of my favourite hiring managers – a strong, collaborative team and a high-performing environment. Contract: 12-month PAYE | Inside IR35 + strong possibility of conversion to FTE Salary: Up … London) Start: ASAP Hours: 40 hours/week | Weekly pay | Laptop provided What’s the role? You’ll support customers working on a cloud-based enterprise platform – helping troubleshoot UI-related issues, debug frontend behaviour, and create small scripts that streamline issue resolution. It’s hands-on, technical, and customer-facing. You’ll collaborate with global engineering and support … teams and have a direct impact on improving customer experience and internal support processes. We’re looking for someone with: UI development or support experience Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development Ability to read/debug JavaScript and use browser developer tools Scripting with JavaScript, Python, Bash or Shell Understanding of More ❯

I’m hiring for our long-term client – this time for a Technical Support Engineer or Application Support Engineer within the User Experience UX role with one of my favourite hiring managers – a strong, collaborative team and a high-performing environment. Contract: 12-month PAYE | Inside IR35 + strong possibility of conversion to FTE Salary: Up … London) Start: ASAP Hours: 40 hours/week | Weekly pay | Laptop provided What’s the role? You’ll support customers working on a cloud-based enterprise platform – helping troubleshoot UI-related issues, debug frontend behaviour, and create small scripts that streamline issue resolution. It’s hands-on, technical, and customer-facing. You’ll collaborate with global engineering and support … teams and have a direct impact on improving customer experience and internal support processes. We’re looking for someone with: UI development or support experience Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development Ability to read/debug JavaScript and use browser developer tools Scripting with JavaScript, Python, Bash or Shell Understanding of More ❯

I’m hiring for our long-term client – this time for a Technical Support Engineer or Application Support Engineer within the User Experience UX role with one of my favourite hiring managers – a strong, collaborative team and a high-performing environment. Contract: 12-month PAYE | Inside IR35 + strong possibility of conversion to FTE Salary: Up … London) Start: ASAP Hours: 40 hours/week | Weekly pay | Laptop provided What’s the role? You’ll support customers working on a cloud-based enterprise platform – helping troubleshoot UI-related issues, debug frontend behaviour, and create small scripts that streamline issue resolution. It’s hands-on, technical, and customer-facing. You’ll collaborate with global engineering and support … teams and have a direct impact on improving customer experience and internal support processes. We’re looking for someone with: UI development or support experience Exposure to at least two of: ReactJS, GraphQL, AngularJS, AJAX, CSS, Mobile app development Ability to read/debug JavaScript and use browser developer tools Scripting with JavaScript, Python, Bash or Shell Understanding of More ❯

team Raised $100M+ in Series A funding Reached unicorn status with a $1.1B valuation Now they’re building a London engineering hub . Join as a UK founding engineer - hybrid working, high impact, and the chance to shape a category-defining platform from day one. The Opportunity This is a systems-level role at the intersection of design More ❯

team Raised $100M+ in Series A funding Reached unicorn status with a $1.1B valuation Now they’re building a London engineering hub . Join as a UK founding engineer - hybrid working, high impact, and the chance to shape a category-defining platform from day one. The Opportunity This is a systems-level role at the intersection of design More ❯

team Raised $100M+ in Series A funding Reached unicorn status with a $1.1B valuation Now they’re building a London engineering hub . Join as a UK founding engineer - hybrid working, high impact, and the chance to shape a category-defining platform from day one. The Opportunity This is a systems-level role at the intersection of design More ❯

team Raised $100M+ in Series A funding Reached unicorn status with a $1.1B valuation Now they’re building a London engineering hub . Join as a UK founding engineer - hybrid working, high impact, and the chance to shape a category-defining platform from day one. The Opportunity This is a systems-level role at the intersection of design More ❯

html Teams at Starling Teams do great things here at Starling, striving to continue changing banking for good. Front-End Development Our front-end applications are built in-house using JavaScript/TypeScript, React, and other technologies. We're Hiring More ❯