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

NIVA Digital, LLC; Town of Aurora (NY); On-site; USD 130,000 - 170,000; Full time

Job summary

NIVA Digital is seeking a Senior Full Stack Engineer to maintain and modernize our core platform on-site in Aurora, US. You will manage our .NET and SQL Server stack and lead migration toward a scalable microservices architecture.

The role focuses on breaking monoliths into distributed services, designing scalable APIs, and implementing containerization for deployment optimization, while balancing legacy systems with modern cloud-native patterns.

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.

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.

Skills

SQL Server

T-SQL

Entity Framework

Microservices

RESTful APIs

RabbitMQ

Kafka

Angular

React

Vue.js

TypeScript

HTML5

CSS3

Docker

Kubernetes

CI/CD

AWS

Azure

Education

Bachelor’s degree in Computer Science or equivalent work experience

Tools

Docker

Kubernetes

CI/CD pipelines

AWS

Azure

RabbitMQ

Kafka

Job description

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

Aurora, United States | Posted on 08/07/2026

NIVA Digital uniquely combines delivery, deep technical expertise, and flexible engagement to tackle core business challenges. We help growing businesses accelerate software delivery, optimize cloud infrastructure, and scale operations through AI-enabled delivery pods.

Our flexible global delivery model ensures seamless integration into client environments—onshore engineers embed directly within US teams for cultural alignment and compliance, while offshore capability provides 24/7 coverage and additional cost leverage, together delivering enterprise-grade quality at 30–40% cost savings with 99.9% uptime.

With a proven track record spanning retail, non-profit, and cloud-native environments, NIVA Digital has consistently delivered faster release cycles, resilient cloud operations, and accelerated AI-enabled teams for clients across industries. Whether the need is a single specialist or a full delivery pod, NIVA scales rapidly—without compromising quality, cultural fit, or security posture.

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.

Job Description

We are seeking a skilled Senior Full Stack Engineer to maintain and modernize our core platform. This is an on site C2C role.

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.

Requirements

Required Technical Skills

• 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