Full-stack Application Developer

Project: https://www.x1consulting.com/

PROJECT OVERVIEW:

A long-term enterprise software initiative focused on developing, modernizing, and supporting business-critical applications within the Microsoft ecosystem. The project involves both enhancement of existing legacy systems and building modern, scalable web solutions using up-to-date technologies and best practices. The environment combines cloud-based infrastructure with ongoing migration efforts from older frameworks to modern architectures.

ABOUT THE ROLE:

We are looking for a skilled Full-Stack .NET Developer who can contribute to both development and support of enterprise applications. This role requires a strong technical foundation, the ability to work across legacy and modern systems, and effective communication within a distributed team. You will collaborate closely with technical leadership and contribute to delivering high-quality, scalable solutions.

RESPONSIBILITIES:

• Design, develop, and maintain web applications using .NET technologies
• Support and enhance existing legacy applications, including Web Forms and VB.NET components
• Participate in modernization and migration of legacy systems to modern frameworks
• Develop and maintain RESTful APIs and integrations
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure performance, quality, and responsiveness of applications
• Write clean, maintainable, and testable code following best practices
• Participate in code reviews, testing, and deployment processes
• Troubleshoot, debug, and resolve production issues
• Contribute to CI/CD pipelines and DevOps practices

REQUIREMENTS:

• Strong experience in Microsoft .NET application development
• Full-stack development expertise using ASP.NET Core MVC
• Solid experience in C# development
• Working knowledge of VB.NET (for legacy support)
• Experience with ASP.NET Web Forms
• Experience with Repository Pattern and layered architecture
• Familiarity with dependency injection and application architecture principles
• Proven experience designing and supporting RESTful APIs / Web APIs
• Strong understanding of JSON and API integrations
• Strong client-side scripting experience using JavaScript and jQuery
• Proficiency in HTML5, CSS3, and responsive web design
• Experience with Bootstrap (v4/v5)
• Strong working knowledge of Microsoft SQL Server and T-SQL (stored procedures, functions, views)
• Experience working with Azure (App Services, Azure SQL, deployments)
• Experience with Azure DevOps, Git, and CI/CD pipelines
• Understanding of unit testing and code quality practices
• Experience working in Agile/Scrum environments
• Good communication skills and ability to work in distributed teams

WILL BE A PLUS:

• Experience with application modernization and migration projects
• Familiarity with OAuth and API security standards
• Exposure to Azure storage, identity management, and environment configuration
• Experience with test-driven development (TDD)
• Strong problem-solving and troubleshooting skills
• Experience supporting enterprise-level, business-critical applications.

INTERVIEW STEPS:

• resume review and screening;
• hr-interview;
• extended online interview with tech. experts — approx. 1.5-2 hours;
• client interview;
• offer.