Senior Development Engineer jobs in County of Cardiff

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.

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...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

You will be a hands-on player-coach, owning outreach and qualification while also helping to design the BDR/SDR process, playbooks and best practices.

You will use modern tools (HubSpot, Clay, Instantly, Lemlist, etc.) and AI to build signal-based, multi-channel plays that generate qualified meetings and pipeline across both partners and direct prospects.

🚀 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...

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world’s leading tech vendors with senior IT, Security, and Data decision-makers through...

Job Description About Us: We’re an established and growing digital agency situated in the heart of Cardiff Bay looking to add a new Senior Laravel developer to our brilliant team. (UK based – Location Flexible) Whilst we are well known for our design skills and producing engaging commercial websites, we also spend a lot of our time building and maintaining bespoke online systems for some of...

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you’re ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

We're the #1 symptom tracker on iOS and Android and looking for a senior react native developer to help continue our growth 🚀 📌 The basics - React Native developer (5y+ experience) - £70,000 base salary - Make a genuine difference to the lives of people with health conditions - Work with a lovely bunch of people - Fully remote, full-time position - Based in the UK or EU If this sounds like...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

Role: Senior DevSecOps Engineer Salary: £47,675 - £56,445 Grade: SEO Location: Cardiff (hybrid) The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through some incredible projects whilst working with one of the first fully cloud-based organizations. This is a senior technical role responsible for improving how...

You will be involved in full lifecycle design, including specification, concept generation, detail development, procurement, build, installation and commissioning support.

You will maximise reliability and quality of the production line whilst ensuring conformity with machinery safety regulations.

Job Description A well established civil and structural engineering consultancy in the Cardiff are has an immediate requirement for a structural engineer from a building structures background. We are looking for someone to join the business in a senior technical position with the view to progressing into senior management. On offer is unique financial benefits, the details of which will be...

Job Description Senior Building Physics Engineer / Sustainability Engineer Central Cardiff Office + hybrid workingSalary Circa £55,000Looking for your next position in the Sustainability / Building Physics sector?If you would like to work with a building services specific consultancy which can give you a huge insight to the sustainability consulting world, as well as offer you the opportunity...

You will report directly to the Senior Civil Engineer and your role xujxxms will be to provide superior quality Engineering Design services to allow t...

Job Description Senior Civil Engineer Cardiff Salary up to £60,000 + Benefits I am currently seeking a Senior Civil Engineer with significant experience in the current design of highways and drainage for residential developments, including external levels and plot drainage design. Our client is based in Cardiff, with great accessibility, the office is made up of a friendly and expert team of...

Senior Mechanical Engineer Salary: From £47,000 (dependant on experience) Duration: Permanent Location: Merthyr/Cardiff area (site visits across Wales) Hybrid Working: Some With over two decades of engineering experience, our Client strives to combine first class engineering and design to deliver the high quality that is required. Our Client maintains a proactive approach, working closely...

About Us: We’re an established and growing digital agency situated in the heart of Cardiff Bay looking to add a new Senior Laravel developer to our brilliant team. (UK based – Location Flexible) Whilst we are well known for our design skills and producing engaging commercial websites, we also spend a lot of our time building and maintaining bespoke online systems for some of the world’s...

Role: Senior DevSecOps Engineer Salary: £47,675 - £56,445 Grade: SEO Location: Cardiff (hybrid) The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through some incredible projects whilst working with one of the first fully cloud-based organizations. This is a senior technical role responsible for improving how...

About Us: We’re an established and growing digital agency situated in the heart of Cardiff Bay looking to add a new Senior Laravel developer to our brilliant team. (UK based – Location Flexible) Whilst we are well known for our design skills and producing engaging commercial websites, we also spend a lot of our time building and maintaining bespoke online systems for some of the world’s biggest...