We are searching for a Senior .NET Developer to create maintainable enterprise applications with C#, .NET, ASP.NET, Angular, and SQL in a fast-moving, collaborative environment. You will guide implementation, use unit testing, connect third-party APIs, and incorporate AI and Large Language Models (LLM) in project work—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

- Minimum 3 years of relevant professional experience in software development

- Advanced proficiency in C# for application development

- Strong background with the .NET framework for building enterprise solutions





- Experience applying AI or Large Language Models (LLM) in software projects

- Working knowledge of unit testing to improve reliability and maintainability

- Understanding of software architecture principles for scalable system design

- Familiarity with SDLC approaches such as Agile or Scrum

- Strong command of SQL for database queries and management

- Experience using Entity Framework, Dapper, or ADO.NET for data access

- Practical ASP.NET experience for web application development

- Angular experience for developing interactive user interfaces

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

We offer

- International projects with top brands

- Work with integral 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

- Global 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