Senior Software Engineer – .NET, React & Azure

Company Description Version 1 has celebrated over 29 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.

We’re An Award-winning Employer Reflecting How Our Employees Are At The Very Heart Of Version 1 And What We Do

• UK & Ireland’s premier AWS, Microsoft & Oracle partner
• 3300+ strong, €350/£300m revenue business
• 10+ years as a Great Place to Work in Ireland & UK
• Best Workplace for Women in the UK & Ireland by GPTW
• Best Workplace for Wellbeing in the UK by GPTW

We’re a core values driven company, we hire people who share our values, and we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you!

Job Description Position Overview We are seeking a highly skilled Senior Engineer with strong expertise in .NET Core, C#, Web API, ReactJS(MUST) and Azure Cloud. The ideal candidate will have proven experience in designing and building scalable enterprise applications and driving engineering excellence. This role requires a mix of hands-on technical expertise, leadership, and stakeholder management, ensuring the successful delivery of solutions in an Agile environment.

The successful candidate will have a strong foundation in object-oriented programming, modern JavaScript/TypeScript, cloud technologies (Azure), and SQL databases. They should be proactive, self-motivated, and capable of mentoring team members while collaborating effectively with international clients and cross-functional teams.

Key Responsibilities

• Conduct project discovery sessions to understand requirements, define the solution approach, create detailed technical designs, and provide accurate effort estimates.
• Break down backlog items into actionable tasks, assign ownership, and drive timely, high-quality delivery.
• Mentor, coach, and support team members on technical challenges, fostering a culture of collaboration and continuous learning.
• Design, develop, and maintain applications using .NET Core / .NET 6+, ASP.NET Core, Web API, and ReactJS with modern JavaScript/TypeScript, HTML5, and CSS3.
• Apply design principles, SOLID practices, and innovative solutions to deliver scalable and maintainable applications.
• Prepare low-level designs, technical specifications, and functional documentation aligned with overall architecture.
• Develop architectural diagrams, workflow models, and prototypes using tools such as Visio, Draw.io, and Figma.
• Work with Entity Framework Core and Dapper for ORM and data access.
• Build and optimize complex Stored Procedures, Triggers, and Views in SQL Server.
• Ensure reliability and maintainability of code through unit testing (xUnit, Jest, React Testing Library).
• Use Azure DevOps and Git for source control, branching/merging strategies, CI/CD automation, and deployment.
• Actively drive Agile ceremonies including sprint planning, daily stand-ups, retrospectives, and backlog refinement.
• Conduct peer code reviews and secure code reviews, ensuring adherence to coding standards, best practices, and application security guidelines.
• Perform static and dynamic code analysis (SAST & DAST) to maintain security and code quality.
• Leverage Azure services (App Services, Functions, Container Apps, SQL, etc.) for cloud-native application development and deployments.
• Manage Azure deployments, application performance optimization, and basic cloud administration tasks.
• Collaborate with stakeholders and cross-functional teams to ensure technical solutions align with business goals.
• Provide guidance and mentoring to junior developers, encouraging growth and maintaining delivery excellence.

Qualifications Required Skills

• Bachelor’s degree in Engineering/Computer Science with 8 to 10+ years of professional experience.
• Strong experience in end-to-end project delivery – from requirement analysis and design to development, testing, deployment, and support.
• 6+ years of hands-on development experience in building enterprise applications using ASP.NET Core, C#, Web API, and SQL Server.
• Proven expertise in ReactJS w…