Senior Full Stack Engineer (.NET, SQL & Microservices Modernization)

NIVA Digital, LLC • Aurora, CO

12d • Onsite

About The Position

We are seeking a skilled Senior Full Stack Engineer to maintain and modernize our core platform. This role requires balancing robust legacy systems with cutting-edge architectural transformation. You will manage our stable .NET and SQL Server stack while leading the migration toward a scalable, cloud-native microservices architecture.

Requirements

• Bachelor’s degree in Computer Science or equivalent work experience.
• 5+ years of professional full stack software development experience.
• Proven track record of migrating legacy codebases to microservices.
• Strong communication skills for collaborating across cross-functional teams.
• C#, .NET Core, ASP.NET MVC, Web API
• SQL Server, T-SQL, query optimization, ORMs (Entity Framework)
• Microservices, RESTful APIs, Event Buses (RabbitMQ / Kafka)
• Angular, React, or Vue.js, along with HTML5, CSS3, and TypeScript
• Docker, Kubernetes, CI/CD pipelines, and AWS or Azure

Responsibilities

• Break down monolithic .NET applications into distributed microservices.
• Design scalable APIs and event-driven communication patterns.
• Implement containerization tools to optimize deployment workflows.
• Maintain and optimize existing .NET Framework and .NET Core applications.
• Write complex, high-performing SQL queries, stored procedures, and schemas.
• Diagnose and resolve database bottlenecks to ensure high availability.
• Build responsive, user-friendly web interfaces using modern JavaScript frameworks.
• Ensure seamless integration between frontend UI and backend microservices.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior