Senior .Net Developer

MCS Group; Donaghadee; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

A leading tech recruitment agency in Northern Ireland is seeking a Senior .NET Developer to lead the development of key features in a mission-led environment. This role offers the opportunity to shape architecture and influence product direction while working on exciting greenfield projects. A competitive salary, hybrid work model, and strong career growth are provided.

Benefits

Competitive salary and bonus scheme

Private healthcare

Wellbeing perks

Strong career growth

Qualifications

• Strong experience designing and building scalable applications in C#/.NET.
• Strong understanding of REST APIs, relational and non-relational databases.
• Experience working with cloud technologies.
• A passion for quality code, problem-solving, and continuous improvement.
• Experience with React or similar front-end frameworks is advantageous.

Responsibilities

• Lead the design and development of new product features using .NET, AWS, and SQL/NoSQL technologies.
• Drive best practices, coding standards, and high-quality engineering principles.
• Collaborate closely with cross-functional teams to deliver scalable, secure solutions.
• Take technical ownership across projects and contribute to architectural decisions.

Skills

C#/.NET

REST APIs

Cloud technologies

Problem-solving

React or similar frameworks

Job description

Senior .NET Developer - Tech for Good | Hybrid (3 days in Holywood, Co. Down)

£55,000 - £75,000 | Greenfield Projects | Autonomy & Impact

MCS Group is delighted to be working with an innovative Tech for Good organisation. With continued growth and exciting greenfield projects ahead, they're looking for a Senior .Net Developer to take ownership of key technical decisions and drive engineering excellence across the team.

This is a fantastic opportunity for a senior engineer who wants to shape architecture, influence product direction, and work in a collaborative, mission‑led environment where your ideas make a real difference.

The Role:

• Lead the design and development of new product features using .NET, AWS, and SQL/NoSQL technologies.
• Drive best practices, coding standards, and high‑quality engineering principles.
• Collaborate closely with cross‑functional teams to deliver scalable, secure solutions.
• Take technical ownership across projects and contribute to architectural decisions.

You'll Bring:

• Strong experience designing and building scalable applications in C#/.NET.
• Strong understanding of REST APIs, relational and non‑relational databases.
• Experience working with cloud technologies.
• A passion for quality code, problem‑solving, and continuous improvement.
• Experience with React or similar front‑end frameworks is advantageous.

Why Join?

• Be part of a Tech for Good business creating a measurable, positive impact.
• Exciting greenfield projects with full technical autonomy.
• Competitive salary and bonus scheme, private healthcare, wellbeing perks, and strong career growth.
• Hybrid model – 3 days on-site.

If you're an experienced .NET engineer looking for a role that combines technical challenge with meaningful work, we'd love to hear from you.

To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey at [e-mail]
Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles www.mcsgroup.jobs

MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request.