We are hiring a Senior .NET Developer to deliver scalable enterprise web solutions using C#, .NET, ASP.NET, Angular, and SQL in a quality-focused team. You will help shape architecture, apply unit testing, integrate APIs, and leverage AI and Large Language Models (LLM) when needed—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 software development experience

- Strong C# skills for application development

- Extensive experience with the .NET framework for enterprise-grade solutions

- Hands-on work with AI or Large Language Models (LLM)



in software initiatives

- Clear understanding of unit testing for maintainable, reliable code

- Solid grasp of software architecture principles to design scalable systems

- Knowledge of SDLC methodologies such as Agile or Scrum

- Strong SQL proficiency for queries and database management

- Hands-on experience with Entity Framework, Dapper, or ADO.NET for data access

- Proven experience with ASP.NET for web application development

- Practical Angular experience for building interactive user interfaces

- Excellent written and spoken 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