senior asp.net developer jobs in 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...

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...

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 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...

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...

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 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,...

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.

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...

🚀 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...

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.

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,...

You will become a funding expert, able to talk to customers about different funding and incentives that are available to them. Your customers will trust your honesty and integrity and you will manage any customer you bring on, account managing them into the future.

You will deal with any matters arising and understand the ongoing need for training.

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

Business Development Manager Defence Remote UK with occasional travel to the Liverpool office and client sites £55,000 to £70,000 basic plus uncapped commission (10% of Margin), OTE £40,000 + £400 per month car allowance Excellent opportunity for a Business Development Manager who enjoys opening new doors and building credibility within the defence and telecom sectors, to join an established...

You will be responsible for identifying, developing, and negotiating new strategic partnerships for Seopa’s comparison solutions portfolio. While insurance comparison is a core focus, experience in other comparison or switching verticals — such as energy, broadband, mobile, current accounts, or credit cards — is advantageous.

Business Development Manager – CRO (Europe-focused) We have recently partnered with a full-service Contract Research Organisation that is looking to appoint a Director of Business Development to play a key role in driving its next phase of growth. This is a high-impact opportunity for a commercially driven BD professional who wants to step into a visible, strategic role with clear progression...

You will take ownership of an established NHS customer base, working with procurement and clinical stakeholders to maintain service levels and identify growth opportunities. The role combines account development, stakeholder engagement, and effective territory management within NHS frameworks.

Job Description For the past 18 months, we've been proud to work with a business who's on a serious growth curve - using AI to solve a very real, tangible issue for some of the biggest brands in the world. Backed by investment, a strong client base, and a mature marketing engine, the challenge now isn’t demand — it’s keeping up with it. That's why we’re looking for a Sales Development...

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...