EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

We are seeking a highly skilled Advanced Software Engineer with deep expertise in the .NET ecosystem to join our team.

In this role, you will design, evolve, and optimize large-scale, high-load systems while ensuring top-tier performance, security, and reliability. You will also leverage modern AI development tools to enhance productivity and code quality.

Responsibilities

- Design, develop, and maintain large monolithic systems, ensuring scalability and long-term evolution
- Build and optimize high-load applications using the C# / .NET ecosystem
- Design REST APIs with a focus on scalability, versioning, and security
- Integrate with SOAP and legacy systems as needed
- Perform advanced MSSQL performance tuning, transaction optimization, and handle blocking, locking, and concurrency
- Drive performance optimization, concurrency management, and fault tolerance across services
- Implement secure communication using TLS/SSL and manage certificate handling
- Apply secure coding practices and mitigate common vulnerabilities (OWASP Top 10)
- Conduct threat modeling and define mitigation strategies for critical systems
- Identify and prevent vulnerabilities such as injection attacks, authentication flaws, and data leaks




- Leverage AI development tools and agents to generate production-quality code and tests
- Review, evaluate, and govern AI-generated output to maintain high engineering standards

Requirements

- 12+ years of professional software engineering experience
- Deep expertise in the C# / .NET ecosystem
- Proven background in designing and working with high-load systems
- Strong skills in REST API design (scalability, versioning, security) and SOAP / legacy integrations
- Advanced proficiency in MSSQL, including performance tuning at scale, transaction optimization, and concurrency handling (blocking and locking)
- Showcase of designing and evolving large monolithic systems
- Expertise in performance optimization, concurrency, and fault tolerance
- Deep understanding of application security, including TLS/SSL, secure communication, and certificate handling
- Familiarity with secure coding practices, OWASP Top 10, and threat modeling and mitigation strategies
- Capability to identify and prevent vulnerabilities such as injection, authentication flaws, and data leaks
- Strong experience using and evaluating AI development tools and agents for generating production-quality code, tests, and governing AI output
- Proficiency in English at an Upper-Intermediate level (B2) or higher

We offer

- Opportunity to work on technical challenges that may impact across geographies
- Vast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certifications
- Opportunity to share your ideas on international platforms
- Sponsored Tech Talks & Hackathons
- Unlimited access to LinkedIn learning solutions
- Possibility to relocate to any EPAM office for short and long-term projects
- Focused individual development
- Benefit package:
- Health benefits
- Retirement benefits
- Paid time off
- Flexible perks

- Forums to explore beyond work passion (CSR, photography, painting, sports, etc.)

📌 Advanced Software Engineer - .NET (India)
🏢 EPAM Systems
📍 India