senior .net engineer jobs in Belfast

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...

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...

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...

A leading digital product consultancy in Belfast is looking for an experienced Senior .Net Developer. In this role, you will be part of a high-performing engineering team, delivering bespoke software solutions for international clients. The ideal candidate will have 5–8 years of commercial experience with .NET technologies, strong skills in React, and a proven track record in leading projects...

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...

A leading financial markets infrastructure provider in Northern Ireland is seeking a Principal Software Engineer. The role involves mentoring teams, designing and maintaining software using AWS CDK with Python, and ensuring high-quality code through testing. The ideal candidate will have a strong background in .NET and AWS services, with a focus on microservices architecture and Agile...

Senior Solutions Engineer (.NET) Do you enjoy working directly with customers to solve real integration problems? Are you comfortable translating business requirements into scalable technical solutions? Looking for a role where you can combine technical depth with strong client-facing work? My client is a cloud-based SaaS platform operating at scale, supporting enterprise customers with complex...

VANRATH is delighted to be partnering with a global market-leading financial technology organisation to recruit a Senior Software Engineer for a high-impact engineering team. This is an outstanding opportunity to work on business-critical, real-time systems that underpin global financial markets. You’ll join a highly skilled, collaborative Agile team, building cloud-native, event-driven platforms...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

You will play a key role in the design leadership and delivery of civil engineering projects across Northern Ireland and beyond, working with a respected team known for technical quality, pragmatic design and long-standing client relationships.

You will be responsible for the civil engineering design and delivery of projects across a diverse portfolio, spanning both the public and private sectors.

Your new company This Belfast-based consultancy delivers Mechanical, Electrical, and Public Health engineering services, with expertise spanning project management, mechanical engineering, electrical engineering, and sustainable design. The practice has an impressive portfolio of landmark healthcare, commercial, industrial, technology, and education projects. Your new role An exciting...

Senior Engineer Operations (Fixed Term Contract) Location: Belfast (Hybrid) Duration: 30-Month Fixed Term Contract About the Role A leading Transmission System Operator is seeking a Senior Engineer to support the safe, secure, and reliable operation of Northern Irelands electricity system. This is a chance to work at the forefront of power system innovation, renewable integration, and market...

You will also accumulate up to 5 service related holidays over your first five years of employment. - Regular social events (staff and family).

You will be joining an established team of Ground Engineers within the Scotland and Ireland region, will be based in the AECOM Belfast Office and will work closely with colleagues across the UK & Ireland.

You will have the flexibility you need to do your best work with hybrid work options.

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 autonomous...

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...

Senior .NET Engineer Are you a talented .NET Developer looking to take on a brand new challenge? Do you want to be part of a newly formed team of software engineers in a growing product-focused company, shaping the direction of their technical solutions from the ground up? My client is seeking a Senior .NET Engineer to join their innovative product team. This is a unique opportunity to work on...

A technology solutions provider in Northern Ireland is seeking a Senior Back-End Engineer to take ownership of projects and deliver solutions end-to-end. This long-term role emphasizes stability, technical contributions, and the freedom to innovate without unnecessary processes. Ideal candidates will work with .NET, Entity Framework, and Azure while actively engaging in team discussions and Scrum...

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...