Senior .NET Engineer (Partner Integrations)

Location: Cardiff, Wales, United Kingdom. Hybrid role requiring two days per week from the Cardiff office.

Salary: £50,000–£60,000 per year.

Company

hirify.global creates expert content and digital experiences across technology, gaming, entertainment, finance and other specialist markets; this role supports Go.Compare, a regulated insurance price comparison service.

What you will do

• Lead the technical execution and full lifecycle delivery of partner integrations from discovery through live deployment.
• Design, build and maintain high-performance REST APIs using XML, JSON and SOAP data formats.
• Collaborate with external partners, lead developers, legal, compliance and cross-functional stakeholders.
• Oversee code reviews, production releases, deployment strategies and release governance, including zero-downtime deployments.
• Provide architectural guidance focused on scalability, security and maintainability, and communicate complex technical issues to executive leadership.
• Mentor engineers, improve development processes and use Copilot and Claude for integration testing and debugging in FCA-regulated environments.

Requirements

• Senior-level software engineering experience leading high-impact projects and cross-functional teams.
• Expert proficiency in C# and SQL Server, with strong experience designing RESTful APIs and working with legacy SOAP technologies.
• Experience improving development workflows, including CI/CD, branching strategies and Agile practices.
• Hands-on experience with production releases, release governance and maintaining clear Definition of Done standards.
• Experience implementing testing and TDD at team level, conducting code reviews, and mentoring or coaching junior and mid-level developers.

Culture & Benefits

• Collaborative virtual-office environment with real-time problem solving and cross-functional teamwork.
• Uncapped leave and enhanced parental leave.
• Discounted dental and private medical care, wellbeing support and colleague assistance programmes.
• Profit-sharing bonus when targets are achieved, plus a friend referral scheme.
• hirify.global share purchase opportunities and a salary-sacrifice pension scheme with up to 5% matching.
• Free drinks and snacks in the offices.