Salary: £30,000 - 60,000 per year Requirements: 10 years in software engineering with deep experience across .NET and distributed systems Proven leadership as an Engineering Manager, Architect, Principal Engineer, or Site Lead Track record modernizing enterprise systems from Web Forms to modular monoliths or microservices Strong cloud expertise across Azure, AWS, Kubernetes, CI/CD ecosystems Deep understanding of messaging systems, API design, and event-driven architecture Experience leading multi-team engineering groups Strong mentoring and talent development capability Confident communicator able to simplify complex architecture for senior leaders Proven ability to establish scalable engineering standards and culture Nice to have: experience scaling engineering across multiple regions, exposure to AI-driven development practices, experience within regulated or enterprise domains Responsibilities: Define and lead modern architecture strategy, transitioning legacy platforms into modular, cloud native systems Decompose monoliths into scalable APIs, microservices, and event-driven services across Azure and AWS Align frontend and backend architectural patterns to ensure performance and consistency Introduce AI-enabled engineering practices to improve quality and delivery velocity Provide architectural oversight across multiple applications and teams Lead long term cloud migration, containerization, and automation initiatives Diagnose and resolve deep performance and scalability challenges Champion craftsmanship including TDD, BDD, clean architecture, and scalable design principles Manage and mentor multi-disciplinary engineering teams Scale engineering capability across regions Establish Architecture Review Boards and governance structures Build standards that enable consistency without slowing delivery Partner with Product, Infrastructure, and Executive leadership to define architectural roadmaps Own end-to-end delivery of major platform initiatives Develop proofs of concept in .NET, Java, or Python to validate architectural direction Communicate complex technical decisions clearly to senior stakeholders Technologies: AI API AWS Architect Azure Backend CI/CD Cloud Frontend Java Kubernetes Python TDD Web microservices ASP.NET C# CTO Docker REST React SQL SpecFlow More: We are OCHO, partnering with an established technology business engaged in significant platform modernization. This is an exciting opportunity for someone comfortable operating at both strategic and hands-on levels. You will play a vital role in shaping architectural direction and leading engineering teams through complex transformations. Our firm offers a competitive base salary and leadership bonus, with a focus on professional growth and a clear pathway for advancement to Head of Engineering or Enterprise Architecture. This position is based in Belfast with a hybrid work model. last updated 11 week of 2026