We are looking for a Senior .NET Developer to build dependable enterprise applications across backend and frontend layers with modern engineering practices. You will work with a collaborative team using C#, .NET, ASP.NET, Angular, and SQL, including AI and Large Language Models (LLM) where applicable, to deliver high-quality features—apply now.

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

- Proven 3 years of relevant experience in software development

- Hands-on proficiency in C# for building applications

- Strong experience with the .NET framework to deliver enterprise solutions





- Practical experience using AI or Large Language Models (LLM) within software projects

- Solid understanding of unit testing to keep code reliable and maintainable

- Good knowledge of software architecture principles for scalable system design

- Familiarity with SDLC methodologies such as Agile or Scrum

- Proficiency with SQL for database querying and management

- Experience with data access technologies such as Entity Framework, Dapper, or ADO.NET

- Working experience with ASP.NET for web application development

- Experience with Angular to create interactive user interfaces

- Excellent English communication skills, B2+ (Upper-Intermediate) or higher

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

- Integral 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