We are seeking a Senior .NET Developer to engineer scalable enterprise solutions across backend and frontend using C#, .NET, ASP.NET, Angular, and SQL with strong quality standards. You will collaborate on architecture, write unit tests, integrate APIs, and deliver features that may involve AI and Large Language Models (LLM)—apply today.

Responsibilities

- Design and develop scalable backend and frontend solutions for enterprise applications
- Collaborate with cross-functional teams to deliver robust and maintainable software products
- Participate in code reviews and provide feedback to ensure high code quality
- Optimize application performance and resolve technical issues as they arise
- Integrate third-party APIs and services to meet project requirements
- Write and maintain technical documentation for new and existing features
- Ensure adherence to best practices throughout the software development lifecycle
- Contribute to the continuous improvement of team processes and technical knowledge

Requirements

- At least 3 years of relevant experience in software development
- High proficiency in C# for application development
- Strong experience with the .NET framework for enterprise solution delivery




- Hands-on exposure to AI or Large Language Models (LLM) in software projects
- Solid understanding of unit testing practices for reliable, maintainable code
- Knowledge of software architecture principles for designing scalable systems
- Familiarity with SDLC methodologies such as Agile or Scrum
- Proficiency in SQL for database management and queries
- Experience with Entity Framework, Dapper, or ADO.NET for data access
- Experience with ASP.NET for web application development
- Experience with Angular for interactive UI development
- Excellent spoken and written English, B2+ (Upper-Intermediate) or above

We offer

- International projects with top brands
- Work with global teams of highly skilled, diverse peers
- Healthcare benefits
- Employee financial programs
- Paid time off and sick leave
- Upskilling, reskilling and certification courses
- Unlimited access to the LinkedIn Learning library and 22,000+ courses
- General career opportunities
- Volunteer and community involvement opportunities
- EPAM Employee Groups
- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

📌 Senior .NET Developer (Argentina)
🏢 EPAM Systems
📍 Argentina