system software developer jobs in Cardiff

Our client is building the imaging systems behind future AR/VR and smart-glasses products. We're hiring a senior engineer to develop the C++ simulation and imaging tools used to explore new camera architectures. What you'll do - Build C++ imaging and simulation software used by camera/optics teams. - Translate prototype MATLAB/Python models into production-quality C++. - Work with optics, image...

You will bridge the gap between business stakeholders and technical implementation, will work directly with clients to understand requirements, design solutions within the SAAS platform, and implement those solutions through coding, configuration, and integrations with CRM, ERP, and approval systems.

We are hiring a Satellite Operations Software Developer (remote or on-site Helsinki ) on behalf of our client, a pioneering space company that is building the world’s most advanced hyperspectral satellite constellation and developing AI-powered analytics to turn spaceborne data into actionable insights. Their mission is to tackle some of today’s greatest challenges — from climate change to food...

You will also have the reassurance of a job guarantee (£25K-£40K) upon completion. Whether you are working full-time, part-time or are unemployed, this package has the flexibility to be completed at a pace that suits you and can be completed in a few weeks or a few months (step 1 to 4 below).

You will also be assigned an expert tutor and a support mentor to help you throughout your training.

Overview We are looking for a motivated and detail-oriented Junior Software Developer to join our growing team. This role is ideal for someone eager to learn, contribute to real-world projects, and grow their skills in software development while working alongside experienced professionals. Responsibilities - Assist in the design, development, testing, and maintenance of software...

Salary £50,000 About iQ HealthTech At iQ HealthTech, we are dedicated to improving healthcare outcomes universally through innovative technology. Known for our flagship product, iQemo, we empower healthcare providers worldwide to deliver safer and more efficient chemotherapy treatments. Our commitment to revolutionising electronic systemic anticancer treatment (SACT) prescribing systems makes us...

Job Description Your new company Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led public sector organisation is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to end-users through innovation and excellence. With a strong commitment to social...

Do you want to develop innovative technical solutions that provide a positive impact? Anteam is developing innovative AI solutions to improve freight efficiency and sustainability. Working with logistics partners, we benchmark, deploy, and test our AI technology aimed at reducing CO₂ emissions and improving operational efficiency. We are seeking a Software Developer (Full-time or Part-time) to...

Since 2014, Novade has been helping leading companies in construction, civil engineering, industry, and energy to digitalise their field operations. With more than 100,000 users across thousands of projects in Europe, Asia, and Africa, Novade is transforming how teams manage quality, safety, and productivity on site. We’re also a pioneer in applying AI to predict and mitigate risks onsite in...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

Contic is a startup consultancy that designs, builds, and supports digital products that drive businesses forward. We work with clients of all sizes—from early-stage founders to enterprise teams—to bring ideas to life and support them long after launch. But we're more than just builders. We're a team of creative thinkers, technical experts, and trusted partners who care deeply about impact....

Lead Software Developer required by a successful software company with an international client base. This is a hands on, Technical Lead level role. The technical focus is "full stack" working with C# and React. The Lead Software Developer will be responsible for - Full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product - Evolving a...

Location: Mostly remote (with one day per month in Milton Keynes) Salary: £75,000 - £80,000 Contract type: Full time, permanent Our client is seeking a Lead Software Developer to join their engineering team. This is an opportunity to take on a pivotal technical leadership role within a collaborative, Agile environment, working alongside colleagues across multiple regions. If you are passionate...

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus One of the leading absolute return/hedge fund managers within finance, currently managing over $40bn, is diversifying further by creating a separate division to focus on managing crypto and digital asset strategies. Meaning these guys offer the dynamism and entrepreneurial spirit of a small firm, with...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. Operating at massive scale across multiple regions, we’re...

🚀 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...

Principal Developer (C# and Azure) required to lead architectural design and delivery across enterprise-scale Azure platforms. This hands-on technical leadership role involves shaping distributed systems and mentoring developers within a global travel and events technology environment. You’ll architect scalable microservices, drive Azure best practices, and guide product-aligned teams across the...

Lead Software Engineer (Frontend / Mobile)📍 Hybrid - Cardiff, 2 days per week in office 💰 £90,000 - £100,000 + bonus + excellent benefits If you're a passionate Lead Software Engineer who loves guiding small Engineering teams to deliver modern, high-quality mobile & web products, this is one for you! You'd join a household name brand & own the build of the new generation of customer experiences...

The Planet Group has recently partnered with a leading biopharmaceutical organisation to support the recruitment of a Senior IFS Systems Administrator on a permanent basis. (Remote working available) About us: A forward thinking committed biologics development company who service both early discovery and commercial manufacturing to deliver better treatments to the market. About this Role: We...

Senior Software Developer required by a successful software company with an international client base. The Senior Software Developer will be responsible for full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product as they evolve a traditional monolith architecture towards a modular monolith. Key experience - Extensive C# experience - SQL...