Senior .NET Developer

Salary: $123,000 - 163,000 per year Requirements:

• At least 10 years of professional experience in software development
• Extensive knowledge of AWS services, especially Lambda, DynamoDB, and PostgreSQL
• Demonstrated success in cloud migration projects from on-premise or legacy systems to AWS
• Strong expertise in microservices architecture and real-time distributed systems
• Comprehensive understanding of application security, including OAuth2, JWT, and multi-tenant architecture
• Expert-level skills in .NET Core (version 8.0 preferred)
• Proven capability to define and document scalable architectural solutions
• Excellent collaboration skills with a history of working closely with both business and technical teams
• Clear and structured communication skills, able to articulate and justify design choices
• Proactive, assertive, and responsible in ensuring timely technical delivery

• Design and develop scalable applications using .NET Core 8.0
• Establish the technical architecture and development methodologies before implementation
• Lead the transition of legacy systems to AWS cloud-based infrastructure
• Create and maintain microservices facilitating real-time service-to-service communication
• Construct and deploy serverless and cloud-native elements utilizing AWS services such as Lambda, DynamoDB, and PostgreSQL
• Ensure the secure management of sensitive customer data through the implementation of OAuth2, JWT, and tenant isolation strategies
• Convert high-level requirements into technical designs and pragmatic production-ready solutions
• Work collaboratively with business analysts and cross-functional teams to refine requirements and deliver superior solutions
• Provide transparent insights into architectural decisions and guide stakeholders through technical scenarios
• Take responsibility for delivery schedules, maintaining code quality, and adhering to technical standards

• AWS
• Lambda
• Cloud
• JWT
• PostgreSQL
• Security
• Serverless
• microservices
• ASP.NET
• AI
• LESS

More:

We are a reputable organization located in Chicago, IL, seeking to expand our team by adding a Senior .NET Developer. Our company offers a comprehensive benefits package that includes medical, dental, and vision insurance, along with HSA, FSA, and a 401(k) plan for eligible employees. We value work-life balance, providing paid time off for salaried personnel, while hourly employees are eligible for paid sick leave as per legal requirements. We are committed to an inclusive workplace, welcoming candidates from diverse backgrounds without discrimination. Join us to be part of a collaborative and innovative team.

last updated 33 week of 2026