Senior .net Developer jobs in Antrim County

Senior .Net Developer Location: Belfast (Hybrid) | Type: Full-Time | Permanent A leading global technology firm is seeking a Senior Software Developer to help manage and evolve its mission-critical trading systems. This role involves building scalable systems that directly impact market access on a global scale. What you'll do? Develop, enhance, and maintain complex systems using C# (.NET Core),...

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...

We're representing one of our long-standing clients. It is an established global digital engineering organisation that is building and scaling an internal enterprise product used across multiple regions and teams. The platform underpins mission-critical workflows and is evolving to embed AI-driven capabilities, including prompt-engineered solutions that enhance productivity. This project will be...

Principal Software Engineer | .NET, Payments Platform Location: Belfast Type: Permanent About the Opportunity: This role sits within a Belfast-based engineering group responsible for a high-throughput payments gateway handling millions of card transactions daily. The platform supports customers ranging from small businesses to enterprise-scale venues, where resilience, performance, and uptime are...

.Net / Blazor Developer, Fully Remote, £60,000 - £85,000 per annum About the Role: Our client, a leading AI solutions consultancy are seeking a highly skilled Blazor Developer to join their team. As a Blazor Developer, you will play a critical role in creating and optimising web applications built on the Blazor framework. Your expertise in development will help their clients bring their...

Company description We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over...

Senior .NET Developer Full-time | Belfast | Hybrid Salary: £50,000 - £65,000 MCS Group is delighted to once again partner exclusively with a growing solutions provider as they continue to expand their talented development team. This company delivers cutting-edge software solutions to a diverse range of clients across the UK and beyond. They are now seeking an experienced Senior Developer to take...

Principal Software Architect / Engineering Manager Location: Belfast Hybrid Type: Permanent Package: Competitive with leadership bonus Reporting to: CTO / Head of Engineering Overview This is a senior leadership opportunity for a Principal Software Architect / Engineering Manager to own large scale platform modernisation, define architectural vision, and lead engineering teams through significant...

Senior Software Engineer (.Net / Azure) About the Role Ocho are working with a high-growth technology business undergoing major platform transformation. This is a Senior Software Engineer role within a Professional Services function, ideal for someone who enjoys working at the intersection of technology, customers, and delivery. The Opportunity You will play a key role in designing, delivering,...

MCS Group is delighted to be partnering with a leading Northern Ireland-based technology organisation to recruit a Principal Software Engineer at a pivotal time in their growth journey. This is an exciting opportunity to join a business that specialises in delivering complex, bespoke software solutions to both public- and private-sector clients. With a dynamic, forward-thinking culture, they're...

Senior Software Engineer (.NET) Back end Location: Belfast / Hybrid Eligibility: UK work authorisation required We are working with a global financial services technology organisation that builds business-critical platforms used across international markets. They're looking for a Senior Software Engineer to join a highly capable engineering team delivering scalable, cloud-native systems. This is...

MCS Group is working exclusively with an ambitious and rapidly scaling Insurtech company to hire an experienced .Net Web Developer as they continue to invest heavily in their digital platforms. This role sits at the heart of a growing engineering function responsible for designing and building complex, customer-facing web applications 'll be working on feature-rich websites and platforms built...

Are you a Senior Back-End Engineer who likes owning problems end to end rather than just ticking off tickets? This is a long-term opportunity to join a team that values delivery, curiosity, and building things the right way. You'll be trusted to get on with the work, contribute to technical decisions, and play an active role in how the team operates day to day. You'll fit well here if you: Enjoy...

MCS Group is working with a fast-growing Insurtech company as they expand their software development team. We're looking for multiple .NET Developers to help deliver secure, scalable features across a growing suite of products. You'll join a tight-knit engineering team, working closely with the Software Engineering Manager and senior engineers. Expect to shape distributed systems, mentor junior...

Principal Software Engineer Location: Belfast (3 days per week in office) Salary: Up to £80,000 + bonus A global market infrastructure organisation is seeking a Principal Software Engineer to lead the development of business-critical software platforms supporting global financial markets. This is a senior technical leadership role within an Agile engineering environment, responsible for setting...

MCS Group is delighted to be exclusively working with a leading digital company to recruit a Full Stack Developer based in Belfast (hybrid working). My client was founded over 20 years ago with a vision to create a platform that works simply and effectively to deliver the very best experience that works for your goals, organisation, and your learners. The Role - Develop end-to-end solutions...

Principal Software Engineer .NET, Cloud | Belfast (Hybrid) Location: Belfast Type: Permanent About the Opportunity: This is a true Principal Engineer role with ownership over technology that supports global financial markets. You will set technical direction, influence architecture, and lead engineering standards across complex Rates and FX platforms. This role suits someone who wants real...

MCS Group is delighted to be working with a well-established, Belfast based financial services organisation as they look to appoint an IT Development Lead to head up their in-house development function. This role will be based in Belfast, allowing for hybrid working (flexible 2 in offfice, 3 from home) after an initial training period. This is a key leadership role within the wider technology...

MCS Group is delighted to be working with a well-established, Belfast based financial services organisation as they look to appoint an IT Development Lead to head up their in-house development function. This role will be based in Belfast, allowing for hybrid working (flexible 2 in offfice, 3 from home) after an initial training period. This is a key leadership role within the wider technology...

Are you a .NET Software Engineer looking to build robust, high-quality systems within fintech and continue developing your technical skill set? My client is a fintech organisation developing scalable, business-critical platforms used in a fast-paced environment. They are seeking a .NET Software Engineer with around 3-4 years of commercial experience who enjoys writing clean code, working on...