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...

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...

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...

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...

We’re working with a forward-thinking digital product organisation on a mission to become truly AI-native — not just by adopting tools, but by transforming how software is designed, built, and delivered. They’re looking for a Senior AI Enablement Engineer to play a pivotal role in redefining modern engineering practice through AI-assisted development. This is a hands-on senior engineering role...

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...

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. Below, you will find a complete breakdown of everything required of potential candidates, as well as how to apply Good luck. This is an outstanding opportunity to work on business-critical, real-time systems that underpin...

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

Role Title: Senior Engineer Fixed Term Contract (Operations) Reports to: Head of System Operations Location: Belfast (Hybrid) Duration: 30 Month Fixed Term Contract About us SONI as Transmission System Operator (TSO) is responsible for the safe, secure and reliable supply of electricity now and in the future. We have a pivotal role in the economy of Northern Ireland, supporting competition in...

Description aPrioris Manufacturing Process Modeling team plays a key role in developing and improving advanced manufacturing process models that generate actionable insights about profitability, manufacturability and sustainability. This position combines manufacturing expertise with a willingness to develop software skills (supported by training) to build robust process simulation models that...

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...

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...

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...

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...

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...

You will be part of a global engineering team delivering innovative, integrated solutions that improve safety, efficiency, and performance across people, facilities, and assets.

You will contribute to scalable solutions deployed across on-premise, cloud, and edge environments.

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...