Open for C2C - Senior .NET/SQL/Kafka Developer - Alpharetta, GA

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

Role: Senior .NET/SQL/Kafka Developer
Location : Alpharetta Onsite (In-Person interview required)

Role Summary

We are seeking a seasoned .NET Core Technical Lead to drive the design, architecture, and delivery of scalable, high-performance enterprise Banking / Debit Card/Zelle /Payment applications. Domain experience is preferred.

Required Skills Technical Skills

• Have 6+ Strong hands on experience in .NET Core / .NET 6+, C#, and ASP.NET , WCF frameworks.
• Experience with relational (MS SQL Server) and NoSQL databases.
• Expertise in RESTful APIs, microservices architecture, and distributed systems.
• Experience with of message-based systems (Kafka, RabbitMQ, etc.).
• Solid understanding of design patterns, Hands on experience with AI SDLC Spec Driven Design experience .
• Hands-on experience with Azure services (App Services, Functions, Service Bus, etc.).
• Familiarity with Docker, Kubernetes, and container orchestration.
• Experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins).

Preferred Qualifications

• Experience with front-end frameworks (React, Angular) is a plus.
• Exposure to event-driven architecture and CQRS patterns.
• Experience in high-volume, low-latency systems.
• Familiarity with observability tools (Application Insights, Splunk, etc.).
• Relevant certifications in Azure / Cloud Architecture.

Nice-to-Have Domain Experience

• Banking , Debit Card , Zelle , Payment Processing or other equivalent Financial services, experience