C++ Developer jobs in Cardiff

C++ Developer / Backend Software Engineer Cambridge / WFH to £75k Are you a C++ technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house that's remote access product is used by hundreds of millions of users worldwide. What's in it for you: -...

You will work at the intersection of software engineering, quantum physics, and advanced hardware, enabling precise, reliable, and scalable quantum operations.

Job title: C++ 20/23 Software Engineer Client: Elite FinTech Firm Salary: Up to £150k + Bonus Location: London (Hybrid Working) Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, gold medal Olympiads, exceptional technologists, option to research and develop your own models, a friendly/collaborative environment, beautiful offices. An Elite Tech Firm is looking...

An exciting opportunity has arisen for a C# Software Developer to join a specialist simulation and experimentation team working on complex, real-time defence systems. This role sits within a highly technical environment, developing software that supports simulation, experimentation, verification, validation and training activities across advanced engineering programmes. The opportunity: -...

You will be one of three engineers responsible for the Chart Screen, building and evolving the Unity/C# application that renders our maritime map, vessel tracks and overlays.

You must be able to commute to our Cardiff office every Thursday (team day). The rest of the week can be remote/hybrid.

Department: Support Reports To: Application Software Support Manager Location: Remote Salary: £55k - £60k /yr (depending on experience) Contract Type: Permanent – Full Time Role Summary We're looking for an experienced full-stack .NET developer to join our team in a new and exciting role. This role will initially be supporting an array of clients, helping our support team to continue to...

Web Developer Location: Remote Role Overview Our clients are seeking an experienced Web Developer to build, maintain, and enhance their web-based platforms. The role involves working closely with internal teams and third-party partners to deliver robust, scalable solutions that support MTS’s growing digital and e-commerce footprint. Key Responsibilities - Collaborate with technical and...

Your new company This growing organisation based in Wales is looking to take the next step on their digital journey and integrate AI Agents to support the expanding workforce. Your new role We are seeking an experienced AI Solutions Developer to design and implement a front-end Copilot agent for employee interaction. The AI Agent solutions will provide guidance on legislation, standards, and...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

You will work closely with designers, artists, and engineers to build robust, scalable gameplay systems and mechanics. What we are looking for - Proven experience developing gameplay systems in Unreal Engine 5 - Strong C++ and Blueprint experience - Solid understanding of gameplay architecture and performance considerations

My client is a leading organisation in Secure communications and Data at Rest domain! They are expanding their UK team to support multiple Cyber and Information Assurance development projects. The company is seeking an experienced FPGA Design Engineer to join a fast-paced, multi-disciplinary environment focused on both standard products and bespoke secure digital design solutions. This role...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Dynamics Developer | Tech Consultancy | SC Clearance Required | Up to £70,000 | Fully Remote MERITUS are working with a leading Tech consultancy looking for a Dynamics 365 / Power Platform Developer to join their Central Government / Defence Division. This opportunity is ideal for a senior-level Dynamics 365 and Power Platform professional who enjoys working on complex enterprise solutions,...

ABOUT US Jotform is a San Francisco-based SaaS company with more than 35 million users worldwide. We are thriving and growing, and we’ve never needed outside funding. That’s because we like keeping things agile, independent, and fun. Jotform believes everyone should be able to create their own online forms. Our 10,000+ ready-made form templates, 100+ integrations, and more than 380 widgets have...

🎓 Kickstart Your International Career in Tech Sales – Join Microsoft & EIMS Global! 📍 Location: Bournemouth, UK (Hybrid: 3 office days + 2 WFH) 💰 OTE Year 1: Up to £32,250 (base + bonus + commissions) Languages: German EIMS Global ltd is a Tech B2B agency with UK HQs and offices in Spain, USA, New Zealand, the Philippines, and South Africa. We’re known as the Tech Sales “ROI” experts, and our...

You will leverage value-based selling and industry expertise to position Redslim as the leading data solutions provider. Your Key Responsibilities 🔹 Business Development & Sales Strategy – Identify new opportunities, pitch high-value solutions, and expand Redslim’s presence.

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

Role: Software Engineer (.NET / C#) Working hours: 10am-6pm (aligned to US team)Fully Remote (UK-based)Salary: £50,000 - £60,000 p/annumCPS Group are partnering with a Data Consultancy to hire a Software Engineer to support their expanding US-facing development team. This role sits within a highly collaborative engineering function and reports directly into the Director of Development, who...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

You will be responsible for designing, developing and implementing solutions using the MS Integration Services & MS Power Platform suite including but not limited to Logic Apps, Service Bus, Event Grid, APIM, Functions & Function Apps, SQL Server, Azure SQL, Dataverse, D365 modules, 3rd-party APIs, Azure Synapse, Fabric and Key Vault.