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

NIVA Digital • Littleton, CO

3d

About The Position

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

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.
• Backend: C#, .NET Core, ASP.NET MVC, Web API
• Database: SQL Server, T-SQL, query optimization, ORMs (Entity Framework)
• Architecture: Microservices, RESTful APIs, Event Buses (RabbitMQ / Kafka)
• Frontend: Angular, React, or Vue.js, along with HTML5, CSS3, and TypeScript
• Cloud & DevOps: 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.

Benefits

• Niva Digital is an Equal Opportunity Employer and Service Provider.
• At Niva Digital, we are committed to fostering an inclusive, diverse, and respectful environment for our employees, clients, partners, and stakeholders.
• We provide equal opportunities in employment, professional development, and service delivery without discrimination based on race, color, religion, gender, gender identity or expression, sexual orientation, age, disability, marital status, nationality, ethnicity, or any other characteristic protected by applicable law.
• We believe that diversity drives innovation and strengthens our organization.
• All employment decisions and business interactions are based on merit, qualifications, performance, and business needs, ensuring fairness and equal access for everyone.
• Niva Digital is dedicated to maintaining a workplace and business environment that promotes dignity, respect, and equal opportunity for all.

What This Job Offers

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