critical to support and grow Roku's rapidly expanding ad business. It is the mission of the Ad Engineering Team to build this platform. We are hiring a Senior SoftwareEngineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, enjoy mentoring, jumping in … non-technical audiences Be an evangelist for best practices across all functions - developers, QA, and infrastructure/ops Be an evangelist for platform innovation and reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java, C++ or Go/ More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
ADLIB
office a couple of times a month Are you passionate about using technology for social good? I'm helping a mission-driven AI start-up find a Full-Stack SoftwareEngineer, well-versed in C# .Net & React.js, along with exposure to Azure. They're tackling one of the most urgent challenges of the digital age: identifying and mitigating … a team and not be afraid to take initiative. Be eager to learn and continuously improve their skills and processes. What You'll Be Doing As a Full-Stack SoftwareEngineer, you'll work across the product lifecycle, from idea to deployment, contributing to both greenfield projects and the evolution of their core platform. You'll also help More ❯
Cardiff, Glamorgan, United Kingdom Hybrid / WFH Options
An exciting opportunity has arisen with our client, for a Full Stack Software Developer - for an exciting cutting edge Technology company in Cardiff. The Opportunity: You will play a critical role in ensuring the continued performance, security, and scalability of the platform, and you'll own the system s evolution, from bug fixes and feature development to proactively identifying More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Starling Bank
Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
RVU Co UK
Staff SoftwareEngineer - Data Department: Engineering Employment Type: Full Time Location: Cardiff Description is the UK's first comparison platform for car insurance. We've been helping customers since 2002 by empowering them to make better decisions around insurance and financial services. Our mission is simple: take away the confusion when comparing financial products and services to help … in you Understand, assess and effectively apply modern data architectures (dimensional model, data mesh, data lake). Experience in applying and using data observability methods effectively. Experience in modern software development practices (agile, CI/CD, DevOps, infrastructure as code, observability). Experience applying DORA metrics to Data Products. Experience with Domain driven design, Event driven architecture and Contract More ❯
algorithmic tools and intuitive interactive editing components. Esri has a Relocation Assistance Program and can provide support with relocating to the Cardiff area for this position. Responsibilities Build C++ software components that follow industry and team-standard design patterns, development methodologies, and deployment models Develop excellent software for use in field mapping, data collection, sensor networks, street navigation … and more, with the initial focus being on geometry, geometry editors and text related components Collaborate with other software and product engineers throughout the development process Discuss user requirements; design and develop library APIs and implementations Articulate and solve complex problems with design, development, testing and documentation Learn and collaborate in SDK environments (e.g. Kotlin, Qt, .Net, Swift, Flutter … when required, for testing, investigation and prototyping Requirements 2+ years of commercial/academic software development experience, including debugging algorithms, and designing functions and class structures Experience with IDEs, compilers, and development tools for Linux, Windows or MacOS Fluent in, and passionate about, modern C++ (14/17/20) and STL, including smart pointers, optional, variant, lambda expressions More ❯
services with Rust Collaborate with other engineers throughout the development process Design, develop, and test code Communicate your design and implementation decisions Requirements 2+ years of commercial/academic software development experience Fluent in and passionate about Rust Interest in designing easy to use APIs Proven team-based software development experience Enthusiasm for quality software engineering Smart More ❯
Job Title: Senior Embedded SoftwareEngineer Location : Cardiff Working Arrangement : On-Site 4 Days Per Week Key Experience/Skills: - Knowledge of C, RTOS - Knowledge of communication protocols - Knowledge of UART, SPI, I2C -C++ programming experience is desirable - Experience working within a team taking a product from concept through to production Education: Degree in Software Engineering, Computer More ❯
Role: Contract Senior Embedded Software Engineer. Rate: 60phr + VAT, outside IR35 Duration : 6 months Location: Cardiff Supporting a renewable energy technology company, with offices in Cardiff, we are looking for a contract senior embedded software engineer. This is an opportunity to join a team in process of growing and broadening their skills. This team has a focus … talented electronics, embedded and IT team in place. You would work on real world, products which make a big difference to their global customers. Key Experience & Responsibilities: - Embedded C++ Software Development - STL - Object Orientated Programming - Embedded Linux - RTOS - Work with existing libraries of programme - Unit & System Testing - Undertake & Complete all relevant Project/Product documentation Desirable: Full product lifecycle … experience Testing and debugging Education: - Degree in a relevant area such as Software or Electronic Engineering If interested, please send across an updated CV. More ❯
Cardiff, South Glamorgan, Wales, United Kingdom Hybrid / WFH Options
Oscar Associates (UK) Limited
SoftwareEngineer Fully Remote £45,000 - £55,000 Oscar has partnered up with a software consultancy that is looking for permanent software engineers to come in and help with some financial services projects they are currently working on. They are an innovative tech business who have a lot in the pipeline and needs to expand rapidly. More ❯
A newly formed mid-sized technology firm - born from the merger of two long-established engineering companies (one UK-based, one US-based) - is looking for a Software Verification Engineer to support the development of high-integrity embedded systems. With a strong presence in aerospace and defence markets, this is a rare opportunity to help shape the verification … strategies for critical real-time systems. About the Role We're looking for verification-focused engineers who take pride in validating complex embedded software that underpins life-critical systems. You'll be responsible for ensuring compliance with strict safety and quality standards across avionics, control systems, and mission-critical applications. The role will involve close collaboration with design, hardware … test strategies across the entire development lifecycle. You'll be based in Cardiff, working in a multidisciplinary team. Key Responsibilities Define and execute verification and validation activities for embedded software Develop and maintain test plans, procedures, and reports in line with DO-178 or equivalent safety standards Perform static and dynamic analysis, including unit, integration, and system-level testing More ❯
Performance Software (a U. S. company) and Auvation (a UK company) have merged to create midsize companies with a great work-life balance, providing innovative software and hardware to our client companies. We are looking for passionate Software Engineers to design and develop software solutions for state-of-the-art safety-critical systems in the areas … position that is located in either Cardiff or Cheltenham. Requirements Bachelors or advanced degree in Computer Science, Computer Engineering, Electrical Engineering, Computer Systems Engineering, Mathematics, or equivalent development experience Software development experience involving any of the following: VXWorks, Ada, DO-178, RTOS, Device Drivers or avionics displays Proficiency in at least one language such as C, C++ Embedded software experience is desired but not required Experience with safety critical programs is a plus About Performance and Auvation: Performance Software and Auvation are engaged in the design of Real-time Embedded Software and Hardware. This includes Avionics and Space Exploration applications such as Synthetic Vision Cockpit Displays, Flight Management System Guidance and Navigation, Platforms, Submarine Control Panels More ❯
I'm currently looking for a Web Developer to join a growing team, working on-site in South Wales, near Cardiff. You'll be responsible for maintaining and enhancing a portfolio of e-commerce websites built on Shopify Plus, as More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
慨正橡扯
TX; and Cardiff, UK, we thrive at the opportunity to Get Sh!t Done on a global scale. About the Role: We're looking for a talented and passionate engineer focused on building and maintaining rendering technology and features. You'll be responsible for designing, implementing, optimising, and evolving rendering features to build high quality, visually stunning player experiences. … Working as a rendering engineer requires a deep understanding of graphics pipelines, performance considerations, and collaboration with technical and non-technical developers to achieve innovative visual results that delight players. What We Value: 3+ years of programming experience with game engines (e.g., Unity, Unreal, proprietary) or related graphics technology. Proficiency with C++ and strong math skills, particularly in 3D … We offer biannual reviews, as well as opportunities to collaborate across disciplines, internal tech talks, and the chance to learn from specialists with backgrounds from across the games and software development industries. Work-Life Balance: We really believe that home life comes first and we promote a flexible working environment. And as an added bonus: We don't crunch More ❯