Senior Fullstack Engineer

We are seeking a highly skilled Senior Fullstack Engineer with strong expertise in .NET Core, C#, Web API, and ReactJS. The ideal candidate will have proven experience in leading Scrum teams, 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

• 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, , 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

• Bachelors degree in Engineering/Computer Science with 7+ years of professional experience, including 3+ years of mentoring development teams.
• 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.