.NET Software Developer jobs in Newtownabbey

You will guide engineers of varying levels, influence technical direction, and ensure systems meet high standards for security, scalability, and reliability.

.Net Software Developers (Mid-Level) Location: Belfast (Hybrid) | Type: Full-Time | Permanent MCS Group is delighted to be working with a global market leader in financial services technology that is building one of the largest and most advanced engineering hubs in Belfast. MCS have helped this company hire over 150 people and they are a core delivery hub working on business-critical trading and...

Gearset is the leading DevOps platform for Salesforce - our users can build and manage many aspects of their Salesforce development from within Gearset, from complex CI/CD pipelines to disaster recovery. The Gearset platform is a standalone tool that sits outside of the Salesforce platform, integrating via public APIs only. So while our engineering team doesn't develop within the Salesforce...

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...

.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...

I'm looking for a talented Software Engineer to join a growing engineering team and help build scalable, cloud-native applications. You’ll work across the full development lifecycle, designing and delivering high-quality solutions using Java, TypeScript, and AWS in a modern, agile environment. What You’ll Do - Design, develop, and maintain backend services using Java and cloud-native...

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...

You will set technical direction, influence architecture, and lead engineering standards across complex Rates and FX platforms. This role suits someone who wants real impact, scale, and accountability, not just delivery. Working in an Agile environment, you will partner closely with architects, engineers, and stakeholders across regions to drive resilient, high-quality systems.

You will play a key role in designing, delivering, and supporting system integrations for enterprise customers. Working closely with technical stakeholders, you will lead discovery sessions, translate business requirements into scalable technical solutions, and ensure seamless flow between customer systems and the platform.

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 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...

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...

This role focuses on building scalable .NET 8+ services and APIs hosted on AWS, using modern cloud-native architecture and Infrastructure as Code. The position offers the chance to contribute to high quality software solutions that support critical market infrastructure across multiple regions. What You Will Be Doing: Designing and developing services and APIs with C# and .NET 8+ Integrating...

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...

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...

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...

You will shape cloud architecture, modernise legacy platforms, and enable high performing, multi disciplinary teams to deliver long term, sustainable improvements across performance, reliability, and developer experience.

You will play a key role in influencing product direction, setting engineering standards, and guiding the evolution of core platforms.

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...

You will work closely with Senior, Staff and Principal Engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while acting as a technical authority within the team. This role offers a strong mix of hands-on development, architectural decision making and mentorship.