Full Stack Developer - ASP.NET WebForms & Legacy Systems

Frontline Data Solutions

  • Казахстан
  • Постоянная работа
  • Полная занятость
  • 8 д. назад
We are looking for a resilient, detail-oriented Full Stack Developer to join our Technical Support Engineering team. This role focuses on actively developing, supporting, and evolving a mission-critical ASP.NET WebForms platform. You will work hands-on in a large legacy codebase, delivering bug fixes, performance improvements, and new features—while helping document and guide its future modernization.This is a high-impact role for someone who enjoys deep technical problem-solving and taking ownership of complex systems.What You’ll Do
  • Develop, maintain, and support a large-scale ASP.NET WebForms application
  • Troubleshoot and resolve complex production issues using logs, debugging, and root-cause analysis
  • Write and optimize advanced SQL queries, stored procedures, and views
  • Build and maintain simple .NET APIs and background jobs
  • Collaborate with QA and Customer Success to reproduce issues and explain technical causes
  • Document legacy logic and contribute to ongoing system improvements
What You BringRequired
  • 3+ years of hands-on experience developing with ASP.NET WebForms
  • 4+ years of experience with C#/VB.NET and .NET Framework (4.8+) or .NET 8
  • 4+ years of advanced SQL development, including performance tuning and production support
  • Strong front-end fundamentals: HTML, CSS, JavaScript, jQuery
  • Experience with Hangfire, background processing, and email templating
  • Strong troubleshooting skills and a patient, methodical problem-solving approach
  • Ability to clearly explain technical issues to non-technical stakeholders
  • A mindset oriented toward quality, maintainability, and gradual modernization
Nice to Have
  • React or Next.js experience
  • Azure DevOps and CI/CD pipelines
  • Cloud exposure (especially Azure)

Frontline Data Solutions