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Senior .NET Full Stack Developer

QTech US IncNew Hartford, CT🇺🇸United StatesPosted 15 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Title: Senior .NET Full Stack Developer
Location: Hartford, CT, Princeton, NJ, Philadelphia, PA, New York City, NY, Boston, MA
Contact: 12+ Months
Looking for W2 candidates. No C2C
Job Summary:
We are seeking a highly experienced Senior .NET Full Stack Developer with 10+ years of experience in enterprise application development and a strong background in the Banking/Financial Services domain. The ideal candidate will have expertise in .NET 8/9, Java Spring Boot, cloud-native development, microservices architecture, Kubernetes, Kafka, and modern front-end technologies. This role requires designing, developing, and deploying scalable cloud-native applications while collaborating with cross-functional teams in an Agile environment.
Key Responsibilities:
Design, develop, and maintain cloud-native microservices using .NET 8/9 and Java Spring Boot.
Build and consume RESTful and SOAP APIs.
Develop modern web applications using Angular, React, or Blazor.
Design and implement enterprise system integrations and data transformation pipelines.
Develop event-driven applications using Apache Kafka.
Deploy and manage applications using Azure, AWS, OpenShift, Kubernetes, Docker, and Helm.
Implement secure authentication and authorization using OAuth, OpenID Connect (OIDC), TLS, and Enterprise Federation.
Apply SOLID principles, Object-Oriented Design Patterns, and Cloud Design Patterns.
Optimize SQL Server and Oracle databases, including performance tuning.
Participate in code reviews and mentor development teams.
Work closely with architects, product owners, and business stakeholders in Agile Scrum environments.
Support CI/CD pipelines and DevOps best practices.
Required Qualifications:
Strong Banking or Financial Services domain experience.
Expertise in C#, .NET 8/9, ASP.NET Core, and Java Spring Boot.
Experience building cloud-native microservices.
Strong experience with Azure or AWS.
Hands-on experience with Docker, Kubernetes, OpenShift, and Helm.
Experience designing RESTful and SOAP APIs.
Strong front-end experience with Angular, React, or Blazor.
Experience with Apache Kafka.
Strong understanding of OAuth, OIDC, TLS, and enterprise authentication.
Experience with SQL Server and Oracle databases.
Strong knowledge of Agile methodologies and code review practices.
Excellent communication and stakeholder management skills.
Active LinkedIn profile is required.
Preferred Qualifications:
CI/CD and DevOps experience.
Experience with NoSQL databases.
RabbitMQ or other messaging platforms.
Open-source contributions.
Required Skills:
C#
.NET 8/9
ASP.NET Core
Java Spring Boot
REST API
SOAP
Angular
React
Blazor
Azure
AWS
Docker
Kubernetes
OpenShift
Helm
Apache Kafka
SQL Server
Oracle
Oauth
OpenID Connect (OIDC)
TLS
SOLID Principles
Design Patterns
Cloud Design Patterns
Microservices
Agile Scrum
Best Regards,
Teresa Rose

Skills

Docker
Microservices
Oracle
SOAP
SQL
SQL Server
Spring
Spring Boot
AWS
OAuth
Scrum
Agile
Angular
Apache
Azure
C#
.NET
ASP.NET
Helm
Java
Kafka
Kubernetes
REST
RabbitMQ
React
Stakeholder Management

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