Senior .NET Full Stack Engineer

About the role

We are looking for a Senior .NET Full Stack Engineer to design, develop and maintain enterprise‑grade web and desktop applications for an oil‑sector client. The role covers the full software development lifecycle, from requirements analysis to production support, ensuring high‑availability, security and performance.

Key responsibilities

• Develop and maintain C# applications using .NET Framework/.NET Core, ASP.NET (Web Forms, MVC, Web API) and desktop technologies (WinForms, WPF).
• Design and implement scalable backend services and RESTful APIs.
• Build responsive user interfaces with JavaScript (ES6+), React, HTML5, CSS3, Bootstrap, AJAX and jQuery.
• Design, develop and optimise SQL Server and MySQL databases, write complex queries, stored procedures and tune performance.
• Implement data access layers using Entity Framework, ADO.NET and Dapper.
• Integrate solutions with internal systems, Microsoft Graph API and third‑party services via JSON/web services.
• Create reports and dashboards using SSRS, SQL‑based reporting tools and Excel (ClosedXML).
• Analyse business requirements, design system architecture and translate functional needs into technical solutions.
• Perform data validation, transformation and processing of large data sets.
• Debug, troubleshoot and enhance existing applications to ensure continuous operation.

Required profile

• Proven experience as a senior software developer delivering enterprise applications.
• Strong understanding of the oil‑sector business processes and the need for reliable, secure systems.
• Ability to work independently and collaborate with cross‑functional teams.
• Excellent problem‑solving skills and attention to performance and security.

Required skills

• C#
• .NET Framework / .NET Core
• ASP.NET Web Forms, MVC, Web API
• WinForms, WPF
• JavaScript (ES6+), React, HTML5, CSS3, Bootstrap, AJAX, jQuery
• SQL Server, MySQL
• Complex SQL queries, stored procedures, indexing, performance tuning
• Entity Framework, ADO.NET, Dapper
• RESTful API design, JSON, Microsoft Graph API
• SSRS, Excel (ClosedXML)