Senior .NET Tech Lead - Scalable Banking Apps (Alpharetta)

GRT; Connecticut; On-site; USD 120,000 - 170,000; Full time

Job summary

GRT is seeking a Senior .NET/SQL/Kafka Developer to lead the design and delivery of high-performance banking applications. The role requires hands-on mastery of .NET Core, C#, and microservices, with a focus on scalable, reliable systems.

Based in Alpharetta with onsite interviews, you will collaborate across teams to implement RESTful services, integrate Kafka messaging, and apply best practices in CI/CD, containerization, and cloud deployments. Strong domain experience in payments is a plus.

Qualifications

• .NET Core / .NET 6+ hands-on development and architecture.
• Experience with relational (MS SQL Server) and NoSQL databases.
• Strong RESTful APIs, microservices, and distributed systems experience.
• Messaging systems (Kafka, RabbitMQ) expertise.
• Azure services, Docker, Kubernetes, and CI/CD tooling familiarity.
• Knowledge of design patterns and AI SDLC / Spec Driven Design is a plus.

Skills

.NET Core / .NET 6+

C#

ASP.NET

RESTful APIs

Kafka / RabbitMQ

Azure services

Docker / Kubernetes

CI/CD tools

SQL Server / NoSQL

Design patterns

Tools

Docker

Kubernetes

Azure DevOps

Job description

GRT is seeking a Senior .NET/SQL/Kafka Developer to lead the design and delivery of high-performance banking applications. The role requires hands-on mastery of .NET Core, C#, and microservices, with a focus on scalable, reliable systems.

Based in Alpharetta with onsite interviews, you will collaborate across teams to implement RESTful services, integrate Kafka messaging, and apply best practices in CI/CD, containerization, and cloud deployments. Strong domain experience in payments is a plus.