51 to 75 of 117 Permanent UI Engineer Jobs

Roku, Inc. is seeking a Senior Software Engineer to contribute to the embedded UI framework, improving stability and performance. You will write and review C++ in embedded codebases, build tooling for logging, and develop Python-based data processing pipelines. Join a collaborative, hybrid team that partners across … UI, firmware, and CI disciplines to deliver reliable software for millions of Roku devices, with opportunities to influence features and tooling across the platform. #J-18808-Ljbffr ...

JPMorganChase in London is seeking a Software Engineer III to join the Enterprise Observability Platforms team. You will design and deliver scalable, secure software solutions as part of an agile team, shaping critical technology used across the firm. You will work with React/JavaScript/TypeScript, apply ...

Roku, Inc. in Manchester is seeking a Senior Software Engineer to own core UI systems, optimize graphics primitives, memory usage, and hardware acceleration across devices. You will design and implement performance-critical code for our UI engine and collaborate with firmware for hardware-specific optimizations. This ...

Roku is seeking a Senior Software Engineer to help … architect core systems underpinning the user experience across devices. You will lead engineering efforts in C++, Python tooling, and graphics pipelines, delivering high-performance UI components across a hybrid work model. The role requires deep knowledge of memory management, multithreading, and cross-platform graphics, with a focus on scalable ...

CrowdStrike Holdings, Inc. is seeking a Senior Frontend engineer to lead the development of large graph UI features in our Kestrel graphs UI team. You will shape visuals, optimize data-rich interfaces, and collaborate across design, product, and cloud engineering to deliver scalable frontend solutions. ...

Roku, Inc. in Cambridge, UK is seeking a Senior Software Engineer to develop core features for its UI infrastructure. This role requires extensive experience with C++ and Python, alongside a strong ability to contribute to embedded UI framework development. You will collaborate closely with system architects ...

Citi London is seeking a Senior UI Software Engineer to join the FX Client Platforms team. You will lead design and delivery of trading GUIs for internal and external traders, owning the full dev lifecycle. Hybrid work model (up to 2 days at home per week) with ...

Intermedia Intelligent Communications is seeking a Software Engineer Frontend to design and build scalable, user-friendly interfaces for our product suite. You will collaborate with product, UX, backend, and AI/ML teams to turn evolving capabilities into polished customer experiences. This role is primarily remote with occasional ...

KAYAK, part of Booking Holdings, is seeking an Associate Front End Software Engineer to join the Cars Meta UI team. You will deliver front-end features for the Cars search experience used by millions of travelers daily, and collaborate with product, design, and backend engineers. ...

journey, the interaction logic, the look and feel, and the consistency of all of it — and to build it. If you are an engineer who has always had a view on how the product should look and behave, this is a role where that judgement is part … areas than adequate in all three. 5+ years in front-end engineering, ideally React and TypeScript, with libraries such as shadcn/ui Experience building and maintaining a design system in production, not just consuming one Data-dense interfaces at scale — virtualised tables, charting, performance under real load Fluency ...

Engineer to help design and ship its Matter Pricing products after acquiring Ayora AI. You’ll build features end-to-end from UI to backend, contribute to how problems are framed, and own the quality of releases. You will work with TypeScript/React on the frontend ...

working sessions with product managers and engineers Requirements 5+ years in front-end engineering, ideally React and TypeScript, with libraries such as shadcn/ui Experience building and maintaining a design system in production, not just consuming one Experience with data-dense interfaces at scale, including virtualised tables, charting … Curiosity About Finance User Engagement Quality Standard Upholding Industry Keywords Financial Interfaces Client Journey Interaction Logic Product Design Investment Professionals Tools & Technologies Shadcn/ui AI-Assisted Design Tools #J-18808-Ljbffr ...

Corelight is seeking a Lead Software Engineer … Fleet frontend, a role that drives the frontend architecture used by security teams to operate hundreds of sensors. You’ll own the UI design direction and partner with a UX designer to translate complex data into fast, accessible interfaces. You’ll integrate REST and GraphQL APIs, champion a growing ...

Jump Trading invites students to a 10-week Web Dev/UI software engineering internship in London. You will build Web-based applications using Typescript and Python, interfacing with components of a real-time trading platform. The program identifies top engineers for our core development team, with a proven ...

Landytech is seeking a front-end engineer with strong design judgement to own the Sesame client journey end-to-end. You will shape the look, feel and interaction logic, building interfaces that scale and remain coherent across the product. You will collaborate with engineers and product managers, shaping ...

Regulatory invites a UX/UI Designer & Front-End Developer to lead design and continuous improvement across ARC’s digital product portfolio. You will blend user research, interface design and practical front-end engineering to deliver accessible, high-performing experiences. You will oversee the Design System and collaborate with ...

fast-growing SaaS company in the UK is seeking a Frontend Software Engineer to join our Product Community team. You'll play a key role in creating cutting-edge user experiences on high-impact projects involving AI and data visualizations. We value strong software engineering skills ...

Software Engineer to build tools used by scientists to develop and test quantum networking solutions. You’ll develop firmware for embedded systems, UI components, and automation for experiments. You will work in an agile software team, collaborating with Scientists and Engineers to define requirements, maintain, test ...

Roku's DMTE team seeks a Senior Agentic AI Engineer to embed autonomous AI capabilities into Roku's platform, designing agentic systems that reason, plan, and act across development pipelines—from auto-generating themed experiences … optimizing rendering workflows. You will apply strong software engineering practices to build reliable, scalable AI-enabled solutions for embedded environments, collaborating with firmware, UI, and product teams to deliver high-performance experiences. #J-18808-Ljbffr ...

Work Mode: Full Time Job Status: Open Follow Us On: We are looking for UI Engineers to join our team, who will work closely with development team to develop new system capabilities as defined within the technical/functional specifications. Required: Demonstrable experience in developing UI using React ...

feature delivery, and collaboration with testers, product owners and team leads in a hybrid setup with weekly office visits. You’ll work across modern UI frameworks (Vue/React), maintain secure, scalable code, and continuously learn new #J-18808-Ljbffr ...

Kiplot is seeking a Lead Frontend Engineer to help build the next generation of their platform. This role involves leading the design and development of new features and enhancing existing functionalities. You will work closely with product, design, and backend teams to deliver high-quality product capabilities that ...

Engineer for a leading global financial markets infrastructure client in London. The role involves hands-on work across backend services and web UI, delivering a modular end-to-end trade management platform in collaboration with architects and frontend developers. Requirements include strong Java with Spring Boot, REST ...

Software Engineer in Stockport, UK, to lead the design of software system architectures and develop applications using C#. Your role will encompass UI development, data handling, and automation, allowing you to influence cutting-edge products used in medical and advanced manufacturing systems. Collaboration with physicists and hardware ...

Roku, Inc. is on the lookout for a Software Engineer for the Device Monetization and Themed Experiences team in Cambridge, England. You will implement and optimize graphics rendering systems, solve performance-critical challenges, and directly impact millions of users. The role requires at least 3 years of software ...