Senior Software Developer

Senior Software Developer (.Net) £59,000 South Wales - Hybrid Benefits: 14% Pension & 9-day fortnight Overview Are you an experienced developer who wants to shape a new digital function from the ground up? We're looking for a Senior Software Developer to help design and deliver modern services that make a real impact. You'll play a leading role in building a new event-driven integration platform on the Microsoft Azure stack, working initially with consultants before taking ownership as our in-house technical lead. This isn't just about writing code—you'll also grow and mentor a new team, set best practice, and help drive a digital transformation. Job Title: Senior Software Developer Reports to: Software Engineering Manager Overview As the first member of our new in-house development team, you'll lead the design, build, and delivery of an enterprise-grade Azure-based integration platform. You'll set technical direction, champion quality and security, and mentor future developers to deliver excellent digital services. Key Responsibilities

• Design and develop an event-driven API/microservices platform on Azure.
• Integrate multiple third-party systems securely and reliably.
• Collaborate with DevOps teams to ensure smooth deployment and operations.
• Establish coding standards and best practice across the development lifecycle.
• Present proofs of concept and guide technical decisions.
• Recruit, mentor, and lead future developers.
• Contribute to wider digital and technology strategy. Essential
• Strong experience delivering enterprise solutions on Microsoft Azure.
• Advanced skills in .NET / C#.
• Hands-on expertise with event-driven design and technologies (Azure Service Bus, Event Hubs, Event Grid).
• Experience building APIs/microservices with Azure tools (Functions, APIM, Web Apps).
• Knowledge of Azure data services (SQL, Storage, Data Lake, Cosmos DB).
• Track record of leading development and mentoring others.
• Strong communication skills, able to engage both technical and non-technical stakeholders.
• Experience working in agile teams. Desirable
• Microsoft Azure certifications.
• GraphQL (e.g. HotChocolate).
• Exposure to Kafka or other event-driven platforms.
• Knowledge of DevOps/IaC (Docker, Azure DevOps).
• Familiarity with Azure observability, identity, and security tools.
• Gitflow knowledge. Personal Qualities
• Customer-focused and improvement-driven.
• Positive, proactive, and collaborative.
• Strong problem-solving and influencing skills.
• Committed to personal and team development. Think this one's for you If you think this Senior Software Developer opportunity is for you then please apply online. Yolk Public Sector & Not-for-Profit team works with organisations across the UK to fulfil their recruitment needs and to achieve their D&I objectives. We recruit temporary, contract and permanent hires for 1 off specialist needs or for volume campaigns. We support our applicants to navigate the public sector recruitment processes and secure their dream jobs.