senior mainframe developer jobs in Cardiff

Jobs found: 1,048
Method Resourcing
Cardiff CF10
£55,000

Senior Full Stack Developer | Oracle PL/SQL | ColdFusion | Digital Transformation | 1 day every 2 week into Cardiff | £50,000-£55,000 + benefitsMethod Resourcing have partnered exclusively with a fantastic global organisation who are looking to hire a Senior Full Stack Developer into a global team delivering truly innovative technology. xbpsjkuThe role: We're seeking a versatile and proactive...

4 hours ago
Bookmark Not interested
Piper Maddox
Cardiff

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,...

16 hours ago
Bookmark Not interested
Homeflow
Cardiff

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

6 days ago
Keepnet
Cardiff

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...

Hybrid
3 days ago
Bookmark Not interested
LMOceans
Cardiff

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

a day ago
Rela8 Group
Cardiff

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...

2 days ago
Prighter
Cardiff

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...

Hybrid
4 days ago
Complexio
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.

4 days ago
Zebra People | B Corp™
Cardiff

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

3 days ago
TimeXtender
Cardiff

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.

Hybrid
a day ago
PIE Recruitment
Cardiff

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...

4 days ago
Spark Travel
Cardiff

🚀 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...

6 days ago
Bookmark Not interested
Meritus
Cardiff

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,...

3 days ago
Client Server Limited
Cardiff

Job Description TypeScript Developer / Full Stack Engineer (Node AWS XForms) Cardiff / WFH to £60k Do you have strong TypeScript skills combined with full stack development experience? You could be progressing your career in a senior, hands-on role for a digital transformation consultancy / agency, working on a range of complex and interesting projects. As a TypeScript Developer you will work...

Remote
19 hours ago
Lumi SKN- UK
Cardiff CF10

The Beauté Group is growing fast and we're now looking for a commercially driven BDM to take ownership of new business sales for our aesthetic device portfolio, including INDIBA distribution and Lumi SKN devices. Interested in this role You can find all the relevant information in the description below. This role is not for someone who needs all of their leads handed to them. It is for someone...

4 hours ago
Create job alert for new jobs for
senior mainframe developer, Cardiff
Bookmark Not interested
Howells Solicitors
Cardiff

You will therefore be asked to disclose any unspent convictions during the recruitment process.

7 hours ago
Bookmark Not interested
Tirion Homes
Cardiff

Job Description Land & Business Development Manager - Location: Wales (hybrid working with travel) - Salary: Competitive salary + success-based bonus - Closing date: 9am, 2 February 2026 Make a difference with Tirion Tirion Homes is an independent, not-for-profit developer, property manager and regeneration specialist working across Wales. We partner with landowners, local authorities,...

Hybrid
7 hours ago
Bookmark Not interested
McCauley Trailers Ltd
Cardiff

Overview: McCauley / MAC Trailers are seeking a dynamic and results-driven Business Development Manager to join our team. The successful candidate will be responsible for identifying new business opportunities, particularly in the European or Worldwide market in the agricultural and commercial trailer industry. The ideal applicant will possess excellent communication skills, a strategic mindset,...

3 days ago
Portfolio Group
Cardiff

Business Development Manager | Field-Based (UK-Wide) | £60K Guaranteed Minimum + Realistic OTE £155K+ | Company Car or £5K Allowance Locations* London, Bristol, Milton Keynes, Swansea, Nottingham, Newcastle, Liverpool, Watford, Bolton, Oldham, Hull, York, Worcester, Dudley, Brighton, Hertfordshire, Gloucestershire Let's be direct: if you're a seasoned BDM who's tired of chasing cold leads,...

3 days ago
Bookmark Not interested
Allen & York
Cardiff

🌍 Business Development Manager – Energy Consultancy 📍 UK-based | Remote-first | New Role Are you an experienced energy sector Business Development professional with a strong track record in energy procurement, bill validation and strategic partnerships? This is a newly created role offering the opportunity to shape and lead the business development and field sales function for a growing energy...

4 hours ago
Menu