Senior .NET Engineer - Partner Integrations

The Partner Integration Newbuilds team drives the onboarding of core Car/Van and Home insurance revenue generating brands on Go.Compare. As Senior Software Engineer, you will lead technical execution and full lifecycle ownership for partner integrations, reporting to the Integrations Manager. The role is hybrid, working two days per week from the Cardiff office.

Responsibilities

Lead technical execution and full lifecycle ownership for partner integrations; Collaborate with external partners, lead developers, and compliance teams to design high-performance REST APIs; Oversee code releases, refine development processes, and advocate for Test-Driven Development (TDD) across the SDLC; Leverage modern AI tools like Copilot and Claude to accelerate integration testing and debugging within FCA-regulated environments; Provide high-level architectural guidance and conduct code reviews to ensure scalability, security, and maintainability; Translate complex technical hurdles into clear insights for executive leadership and cross-functional stakeholders; Support team growth as a technical mentor, guide deployment strategies, and maintain clear communication during critical system alignment

Requirements

Lead and mentor engineering team members through architectural guidance and thorough code reviews; Design, build, and maintain high-performance REST APIs for data formats like XML, JSON, and SOAP; Manage end-to-end partner integration lifecycles from initial discovery to live, zero-downtime deployment; Partner with legal and compliance teams to ensure all solutions align with FCA security standards; Refine internal development processes, champion TDD principles, and optimize the overall SDLC; Utilize AI-assisted tools like Copilot and Claude to streamline debugging and integration testing; Senior-Level Expertise: Extensive experience in software engineering with a proven track record of leading high-impact projects and cross-functional teams; Tech Stack Mastery: Expert-level proficiency in C# and SQL Server. Deep experience with RESTful design and handling legacy protocols like SOAP; Process Leadership: Demonstrated ability to design and implement development workflows (e.g., CI/CD improvements, branching strategies, or agile ceremonies); Release Governance: Practical experience managing production deployments and overseeing the "Definition of Done"; Mentorship: A passion for growing others, with experience in formal code reviews and career coaching for junior and mid-level developers; Testing Rigor: A "test-first" mindset with experience implementing TDD at a team-wide level; Strong technical expertise in C# and SQL Server, with experience designing RESTful APIs and working with legacy technologies such as SOAP; Experience improving development processes and ways of working, including CI/CD, branching strategies and Agile practices; Hands-on experience with production releases, release governance and maintaining clear Definition of Done standards; Strong focus on quality and team development, with experience in testing/TDD, code reviews and mentoring or coaching other developers

Benefits

Uncapped leave; Enhanced parental leave; Discounted rates with Dental care and Private Medical care; Share of profits with a bonus when targets are hit; Refer a friend scheme with payment following the successful hire; Well-being support with access to Colleague Assistant Programmes; Opportunity to purchase shares in Future with the Share Incentive Plan; Salary sacrifice Pension scheme up to 5% match; Free drinks and snacks in offices