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

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

Denver, United States | Posted on 06/04/2026

Niva Digital, specializes in delivering robust and scalable infrastructure solutions through dedicated teams of highly skilled professionals. The company empowers businesses worldwide with seamless development, deployment, and management of infrastructure to drive success.

The promoters of Niva Digital have vast experience building and delivering through offshore teams with exceptional quality, customer satisfaction and have successfully run global companies in the field of IT services and Cloud infrastructure. Niva Digital, is headquartered in the state of Colorado, USA and has an offshore location in Bengaluru, India.

Position Overview

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.

Core Responsibilities

• System Modernization
  • Break down monolithic .NET applications into distributed microservices.
  • Design scalable APIs and event‑driven communication patterns.
  • Implement containerization tools to optimize deployment workflows.
• Backend Engineering
  • 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.
  • Ensure seamless integration between frontend UI and backend microservices.

Qualifications

• 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.

Required Technical Skills

• Database: SQL Server, T‑SQL, query optimization, ORMs (Entity Framework)
• Architecture:
  Microservices, RESTful APIs, Event Buses (Rabbit
  
  MQ / Kafka)
• Frontend:
  Angular, React, or Vue.js, along with HTML5, CSS3, and Type Script
• Cloud & Dev Ops:
  Docker, Kubernetes, CI/CD pipelines, and AWS or Azure

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.