system software developer jobs in Cardiff

You will be responsible for generating new business while managing and expanding existing client relationships. The role suits a confident, customer-focused sales professional with experience selling complex B2B software solutions. Key Responsibilities: - Drive new business opportunities and achieve sales targets across software and associated services

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

Job Description 💻: GIS Development 🏢: Leading Global Marine Company 🍃: Offshore Wind 📌: Remote - 1 trip per month to the office An established geoscience and offshore energy consultancy is looking for a Geospatial Developer to join its UK-based team, with opportunities to work from Newcastle, Aberdeen, Glasgow or London 🌍 This role is ideal for someone who enjoys turning complex spatial...

🚀 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...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

We’re Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we’re looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you’ll do - Develop and extend our React.js &...

Job Description I am excited to be working exclusively with my client who is looking for an exceptional Head of Finance Systems to lead a major finance transformation programme and shape the future of their core financial platforms. This is an ideal role for an accountant in Practice looking for step into industry and knows what good looks like! This is a rare opportunity to have strategic...

Senior Systems Engineering Consultant Bristol (Hybrid Working) Salary negotiable depending on experience Responsibilities: - Research and concept development of systems solutions. - Development and management of system requirements. - Development of abstract architectures to describe systems. - Design process engineering for hardware, software, and mixed technology systems. - Systems safety...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

A fantastic opportunity has arisen for a Senior Electronics Systems Engineer – Design Authority to join a specialist engineering team responsible for a safety-critical electronics subsystem supporting complex weapon system programmes. This role performs the duties of the Design Authority for a critical launch-related electronics system and reports into senior engineering leadership, holding...

PROJECT DESCRIPTION Join a fast-moving, outcome-driven engineering team that builds high-quality simulations and real-time experiences using commercial and proprietary game engines. You’ll shape how we exploit, extend, and integrate engines to solve complex systems problems, influence product roadmaps, and mentor engineers across disciplines. If you love squeezing performance from engines,...

Opportunity: Copello is partnering with a Defence client to recruit a Principal Control Systems Engineer to join their team. In this role, you will use your expertise in PLC and SCADA systems to design, develop, and support advanced control and HCI solutions for naval platform management systems. This is your chance to work on high integrity systems in a secure, highly regulated defence...

Join JLR as a Vehicle Test Engineer – ADAS. Join JLR and play a key role in shaping the future of driving technology. We’re looking for a Vehicle Test Engineer – ADAS to help validate and refine advanced driver assistance systems that make vehicles safer, smarter, and more intuitive. In this role, you’ll work within our Assisted & Automated Driving (AAD) validation team, preparing vehicles for...

Senior Systems Engineer – Satellite Communications Location: Hereford, Herefordshire (Hybrid – 3 days onsite) We’re partnered with a well-established UK engineering organisation operating at the forefront of satellite communications and RF systems. They are looking to appoint a Senior Systems Engineer to take ownership of complex products used in critical SatCom infrastructure worldwide. This...

Software Engineer Document Management & Workflow Systems Please ensure you read the below overview and requirements for this employment opportunity completely. Details: - Initial6-month contract - Fully remote, EU working hours - Start end of Feb / early March Were looking for an experienced Software Engineer (Contractor) to support a regulated banking client on their Document Management &...

You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development.

Satellite Electrical Power Systems Engineer (NewSpace) Location: Reading, Berkshire Employment Type: Full-Time | On-Site Package: Competitive Salary + Benefits + Relocation Support Are you an Electrical Power Systems specialist passionate about defining power architectures for next-generation satellite platforms operating at the edge of what’s possible? On offer is the opportunity to join a...

Senior System Engineer (AI/ML) | Permanent position - Location: Central London - Onsite: 5 days a week (South Kensington / Waterloo) - Salary: Up to £82,500 + Excellent Benefits - Available position: 2 positions Our client, an IT consulting and services provider, is seeking an experienced AI/ML Platform Engineer to support a transformative project within the UK education sector. You'll play a...

Job Title: Functional Safety Software Engineer Location: Coventry Employment type: Permanent We are seeking an experienced Functional Safety Software Engineer to support the design, implementation, and verification of functional safety software in accordance with ISO 26262. The role focuses on functional safety system design, software validation, and compliance activities, with a strong...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.