senior applications developer jobs in Cardiff

You will play a crucial role in designing and implementing scalable, efficient integration solutions using a range of data formats and technologies, including XML, JSON, and CSV. As an expert in XML tooling, XSLT, and data transformation, you will be responsible for ensuring data accuracy, performing complex transformations, and supporting integration and migration processes.

App Developer (6-Month Contract) Location: hybrid - 1-2 times onsite a month for meetings in Birmingham. Start Date: January/ February Contract Duration: 6 Months (Outside IR35) About the Role: On behalf of our client, we are seeking a talented App Developer to design and build a fully functional e-commerce mobile application for our client retail business. The app will be available for...

Application Development Manager (D365 & Power Platform) Remote (Travel to London or Newcastle office less than once a month) £52,737–£66,197 (Outside M25) / £58,409–£71,869 (Within M25) £7,500 RRA Benefits Looking to move a contractor doing this role into a strategic position elsewhere? Reporting to Shuaib, Head of Engineering, this is a great opportunity to take ownership of D365 and Power...

🚀 Mobile Developer 📍 Location: Remote, must be based in the UK (occasional office visits in Exeter) 🔒 Security Clearance: Must be SC Clearable Are you a skilled Mobile Developer with a passion for building high-quality apps using Flutter? Do you have hands-on experience with Android or iOS platforms and a desire to work on impactful solutions? If so, we’d love to hear from you. Join our...

Application Development Manager - MS dynamics 365, Power Platform Remote with occasional travel £65,000 - £74,000 + exceptional pension + package Fruition are recruiting an Applications Development Manager for a tech for good organisation who make a genuinely positive impact on people's lives. This role will play a key role at a crucial time for the organisation as they invest in their IT...

You will be contracted to the NRW office in Bangor and a suitable hybrid working pattern will be agreed on appointment. Any regular face to face meetings or training will be planned in advance. Interviews will take place through Microsoft Teams between 3 - 10 December 2025 Successful applicants will be subject to a satisfactory Disclosure and Barring Service Check (DBS) check.

You will oversee a small team, manage supplier relationships, and work closely with senior stakeholders to ensure applications continue to meet the needs of the organisation.

You will have influence over budgets, suppliers and service improvements, as well as the chance to develop and coach a high-performing team.

Senior Python Developer - Python, Flask, SQL, AWS OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. In this role, you'll design highly complex systems and...

Senior Business Development Representative Cyber Risk, GRC, Cyber Security £45,000–£60,000 base + commission UK | Remote-first We’re working with a high-growth SaaS client delivering cutting-edge solutions to the cybersecurity industry. Off the back of strong momentum and inbound interest, they’re expanding their go-to-market team with a senior-level hire who can hit the ground running and...

You will naturally be hungry to win.

You will have a proven background in winning and securing new contracts and will be able to manage a process from initiation to close.

You will be used to managing and engaging with multiple stakeholders and showcasing compelling value propositions.

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...

Senior D365 CE Developer Home-based in the UK (no sponsorship can be offered) Must be eligible for SC Clearance Dynamics 365, Power Platform, CE/CRM, Javascript, AI This role is an opportunity join a leading Microsoft Solutions Partner specialising in D365, Digital Transformation, Power Platform, Azure, and AI. They are looking for a Dynamics 365 CE Developer to design, develop, and deliver...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

You will have the opportunity to work on various modern web applications across a variety of platforms focusing on the backend. Should you choose, this role will allow you to expand your leadership capabilities as you progress in the company. The team tend to go into the Oxford office once a month.

Intapp Applications Analyst A fantastic opportunity has arisen for an Intapp Applications Analyst / Application Support Analyst to join a London based global law firm on a permanent basis. Intapp Applications Analyst Summary: Under the direct supervision of the Senior Manager, Enterprise Applications, the Senior Applications Engineer acts as the IT owner of several applications and platforms...

Senior Frontend Engineer – Up to 70k – Manchester/Remote – Automotive SaaS ECOM have teamed up with a tech company that build products for the automotive industry in a truly unique way, and they are looking for a Senior Frontend Engineer to craft stunning user experiences and bring a higher level of engineering practises to an already highly performing team. If you're passionate about...

IntaPeople are working with a disruptive financial services organisation who have been recognised as having one of the most exciting upcoming products in Europe. We are currently looking for a Senior Software Engineer who has a strong focus on the front-end. You’ll be working closely with a team of Software Engineers and Product Managers to build and maintain modern web applications for their...

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...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for...

Job Description My client is looking for a Senior Schneider Applications Engineer. Engineer Schneider BMS software packages, ensuring quality, consistency, and compliance with project specifications. Develop Schneider BMS graphics packages, creating intuitive, user-friendly interfaces aligned with client requirements. Support and mentor other members of the applications team as they learn and...