Senior .Net Developer ( NEW ) (Antrim)

Senior Software Developer - Lisburn (Hybrid/On-Site)
Location: Lisburn, Northern Ireland

Contract: Permanent, Full-Time (37.5 hrs/week)

Work Setup: Hybrid / On-site

We're hiring a Senior Software Developer to join a small, agile engineering team working on impactful, business-critical software. This is a hands-on full-stack role with a strong focus on the .NET ecosystem. You'll play a leading part in maintaining and evolving internal applications and building out new product features with direct access to decision-makers and real influence over tooling, architecture, and delivery practices.

• Designing, building, and maintaining internal and client-facing software using C#, .NET, Angular , and related technologies

• Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD )

• Refactoring and optimising legacy systems for performance, scalability, and maintainability

• Mentoring a junior developer through code reviews, guidance, and best practices

• Collaborating with business stakeholders to translate needs into efficient technical solutions

• Contributing to architectural decisions, technical direction, and documentation

• 3-5+ years of commercial experience in software development (ideally in regulated or B2B environments)

• Strong skills in:

  • C# / .NET Core / .NET Framework

  • Angular or similar front-end frameworks

  • MS SQL , Entity Framework , MVC

  • Docker , AWS ECS , and DevOps practices

• Proficiency in API design, RESTful services, and data flows

• Experience in mentoring junior engineers and promoting team best practices

• Comfortable working in a fast-paced, Agile team environment

• Strong version control knowledge (Git) and CI/CD pipeline familiarity

• A thoughtful problem-solver with a bias for action

• A confident communicator who works well with technical and non-technical teams

• Passionate about clean, maintainable code and scalable design

• Keen to mentor and support the growth of others

• Always learning, curious, and willing to try new tools and approaches

If you're ready to shape the future of internal platforms, influence architecture decisions, and make a real impact reach out to Ryan Quinn on LinkedIn to discuss further or apply via the link below.

OCHO - Building Teams