Senior Software Engineer – .NET, React & Azure

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.

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 with modern JavaScript/TypeScript, HTML5, CSS3, Redux (or similar state management libraries).
• Strong understanding of OOP principles, SOLID practices, design patterns (MVVM, component-based architecture), and SPA frameworks.
• Proficiency in writing unit tests with xUnit (backend) and Jest/React Testing Library (frontend) .
• Experience working with Entity Framework Core and Dapper for ORM and data access .
• Strong knowledge of SQL Server, with ability to write and optimize Stored Procedures, Triggers, and Views.
• Experience with Azure cloud services – App Services, Functions, Container Apps, SQL, deployments, and basic cloud administration.
• Knowledge of microservices architecture, API security (OAuth2, JWT, Azure AD), and event-driven systems (Azure Service Bus, Event Grid).
• Hands-on experience with CI/CD pipelines (Azure DevOps/GitHub Actions) and modern DevOps practices.
• Familiarity with containerization (Docker, Kubernetes) and infrastructure-as-code concepts (ARM, Bicep, Terraform).
• Exposure to code quality and observability tools like SonarQube and Application Insights.
• Strong leadership in Agile/Scrum methodologies – sprint planning, backlog refinement, estimation, conducting code reviews, and enforcing coding standards.
• Excellent communication, presentation, and stakeholder management skills, with the ability to translate business needs into technical solutions.
• Willingness to work in UK shift hours for effective collaboration with global teams and clients.

Desired Skills

• Azure Developer Associate certification.
• Azure Solution Architect certification.
• Agile certifications such as CSM (Certified ScrumMaster) or PSM (Professional Scrum Master).

• Why Version 1? 
• At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability. 

• Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits. 
• Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme. 
• Flexible/Hybrid working, Version 1 is tremendously understanding of life events and people’s individual circumstances and offer flexibility to help achieve a healthy work life balance. 
• Financial Wellbeing initiatives including; Pension, Private Healthcare Cover, Life Assurance, Financial advice and an Employee Discount scheme. 
• Employee Wellbeing schemes including Gym Discounts, Bike to Work, Fitness classes, Mindfulness Workshops, Employee Assistance Programme and much more. Generous holiday allowance, enhanced maternity/paternity leave, marriage/civil partnership leave and special leave policies. 
• Educational assistance, incentivised certifications, and accreditations, including AWS, Microsoft, Oracle, and Red Hat. 
• Reward schemes including Version 1’s Annual Excellence Awards & ‘Call-Out’ platform. 
• Environment, Social and Community First initiatives allow you to get involved in local fundraising and development opportunities as part of fostering our diversity, inclusion and belonging schemes. 

• And many more exciting benefits… drop us a note to find out more. 
• Video links:  https://www.youtube.com/watch?v=F_d3ELTH5zo