Lead Software Engineer (.NET)

We are seeking a Lead Software Engineer with deep expertise in .NET and modern software architecture. You will optimize and troubleshoot complex SQL logic, ensure the stability of mission-critical legacy systems, and drive incremental modernization. You’ll design and develop new microservices, implement advanced architectural patterns, and lead the adoption of cloud-native and DevOps practices.

Responsibilities

• Optimize and troubleshoot complex SQL stored procedures and database logic
• Ensure stability and performance of mission-critical legacy systems
• Refactor and modernize legacy code incrementally while maintaining backward compatibility
• Design and develop new microservices using ASP.NET Core and C#
• Implement Event Sourcing patterns and CQRS architecture
• Build RESTful APIs and integrate with modern frontend frameworks
• Apply Domain-Driven Design (DDD) principles to new features
• Implement cloud-native solutions using Azure
• Utilize containerization with Docker
• Apply modern development practices including CI/CD pipelines

Requirements

• 5+ years of professional .NET development experience
• Strong proficiency in C# and ASP.NET Core
• Deep understanding of SQL Server including stored procedures, functions and query optimization
• Hands-on experience with WCF services (maintenance and troubleshooting)
• Solid knowledge of RESTful API design and development
• Strong understanding of OOP, SOLID principles and design patterns
• Proficiency in Entity Framework Core or similar ORMs
• Experience with Git and modern version control workflows
• Strong problem-solving and analytical abilities
• Good communication skills for both technical and non-technical audiences
• Ability to balance maintaining legacy systems with driving modernization
• Adaptability to changing priorities and technologies

Nice to have

• Containerization with Docker and orchestration with Kubernetes
• CQRS (Command Query Responsibility Segregation) pattern implementation
• Event Sourcing architecture and implementation
• Domain-Driven Design (DDD) principles and tactical patterns
• Experience migrating WCF services to modern alternatives (gRPC, REST)
• Experience with message brokers (RabbitMQ, Azure Service Bus, Kafka)
• Familiarity with microservices architecture
• Knowledge of Event-Driven Architecture
• DevOps practices and CI/CD pipeline implementation

We offer

• Medical, Dental and Vision Insurance (Subsidized)
• Health Savings Account
• Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
• Short-Term and Long-Term Disability (Company Provided)
• Life and AD&D Insurance (Company Provided)
• Employee Assistance Program
• Unlimited access to LinkedIn learning solutions
• Matched 401(k) Retirement Savings Plan
• Paid Time Off
• Legal Plan and Identity Theft Protection
• Accident Insurance
• Employee Discounts
• Pet Insurance
• Employee Stock Purchase Program

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our clients, 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.
Engineer the Future with a Career at EPAM

This posting includes a good faith range of the salary EPAM would reasonably expect to pay the selected candidate. The range provided reflects base salary only. Individual compensation offers within the range are based on a variety of factors, including, but not limited to: geographic location, experience, credentials, education, training; the demand for the role; and overall business and labor market considerations. Most candidates are hired at a salary within the range disclosed. Salary range: $120,000-$150,000. In addition, the details highlighted in this job posting above are a general description of all other expected benefits and compensation for the position.

Applications will be accepted on a rolling basis.

EPAM will not provide new H-1B visa sponsorship for this position. Candidates with existing transferable H-1B status may be considered.