Senior .Net Engineer

MCS Group; Belfast; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A high-growth software company based in Belfast is seeking a Senior Software Engineer to join their innovative team. This position focuses on designing and developing complex backend services using modern .NET technologies, including C#, ASP.NET, and .NET Core. The company fosters a collaborative culture and offers benefits like full private health insurance, generous annual leave, and hybrid working arrangements. You'll play a vital role in shaping technical direction within an Agile environment.

Benefits

Full private health insurance

Generous annual leave allowance

Pension scheme

Hybrid working (2 days per week in Belfast office)

Collaborative culture

Qualifications

• Solid experience in C#, ASP.NET, .NET Core.
• Strong SQL experience.
• Experience in building microservices.
• High attention to detail and strong communication skills.

Responsibilities

• Design and develop complex backend services using modern .NET technologies.
• Build and enhance backend services using C#, ASP.NET, and .NET Core.
• Contribute to microservices-based systems and high-performance data pipelines.
• Lead on code quality, peer reviews, and engineering best practices.
• Collaborate closely with cross-functional teams to deliver high-quality solutions.

Skills

C#

ASP.NET

.NET Core

SQL

Microservices

CI/CD pipelines

Azure

AWS

Kubernetes

Kafka

Job description

Senior Software Engineer - .NET (Hybrid, Belfast)

MCS Group is delighted to be exclusively partnering with a high-growth software company as they continue to expand their engineering team. This is a fantastic opportunity for an experienced .NET developer to join a company building cutting-edge data-driven products used globally.

This organisation is scaling fast and investing heavily in modern engineering practices, cloud technologies, and emerging data platforms. You'll join a collaborative, high-performing team working on innovative solutions that help enterprise customers make smarter, faster business decisions.

What You'll Be Doing

As a Senior Software Engineer, you will play a key role in designing and developing complex backend services using modern .NET technologies. You'll be hands‑on across microservices, SQL, cloud technologies, and emerging data tools - while contributing directly to architectural decisions.

You will:

• Build and enhance backend services using C#, ASP.NET, and .NET Core
• Contribute to microservices‑based systems and high‑performance data pipelines
• Lead on code quality, peer reviews, and engineering best practices
• Help shape technical direction within an Agile team
• Solve complex technical challenges in a fast‑paced environment
• Collaborate closely with cross‑functional teams to deliver high‑quality solutions
• Play a key part in delivering secure, scalable, enterprise‑grade software

This role suits someone who loves ownership, drives quality, and wants to work with modern engineering tools and patterns.

What We're Looking For

We want to speak with Software Engineers who have:

Essential Skills:

• Solid experience in C#, ASP.NET, .NET Core
• Strong SQL experience
• Experience in building microservices
• High attention to detail, strong communication, and a proactive approach

Desirable: Experience with any of the following would be a bonus:

• CI/CD pipelines
• Azure or AWS
• Kubernetes
• Kafka.

Why Join?

This company offers a genuinely exciting environment where engineers have autonomy and influence. You'll join a team that values innovation, professional growth, and modern engineering excellence.

Benefits include:

• Full private health insurance
• Generous annual leave allowance
• Pension scheme
• Hybrid working (2 days per week in Belfast office)
• A collaborative culture where engineers can truly shape product direction

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.

Not all agencies are the same…MCS Group are passionate about providing a first‑class service to all our customers and have an independent review rating of 4.9 stars on Google.