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Lead .NET Core Developer

KR Elixir, Inc.Atlanta, GA🇺🇸United StatesPosted 4 Sept 2026

Why This Role Stands Out

This Lead .NET Core Developer role offers an exciting opportunity to drive the modernization of critical financial applications, leveraging your expertise in .NET Core and payment systems. You'll thrive here if you're a seasoned developer eager to lead technical design, mentor teams, and make a significant impact within a reputable company. Apply now to shape the future of enterprise solutions!

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Atlanta, GA, United States
Posted
1 week ago
DockerMicroservicesSQLSQL ServerScrumAgileAngularAzureC#.NETASP.NETGitGitHub ActionsKafkaKubernetesLLMRESTRabbitMQReactStakeholder ManagementVault

Job Description

Title: Lead .NET Core Developer
Location: Atlanta, GA (Onsite)
Relocation: Yes
Positions Open: 02
Mandatory Skills:
  • .NET Core / ASP.NET Core
  • C#
  • Banking/Financial
  • Money Movement Systems (Zelle, ACH, RTP, FedNow, or similar payment platforms)
  • ARGO
Job Summary:
We are seeking an experienced Lead .NET Core Developer to lead the design, development, and modernization of enterprise applications using .NET Core, C#, and cloud-native technologies. The ideal candidate will have strong technical leadership skills, extensive experience building scalable enterprise applications, and hands-on experience with modern software engineering practices. Experience working on money movement/payment systems such as Zelle, ACH, RTP, FedNow, or similar platforms is mandatory.
Key Responsibilities
  • Lead the architecture, design, and development of scalable .NET Core applications.
  • Build and maintain RESTful APIs, microservices, and distributed systems.
  • Drive application modernization and migration from legacy .NET Framework to .NET 8/9.
  • Design and develop solutions supporting money movement/payment processing platforms.
  • Mentor and guide development teams through code reviews, technical discussions, and best practices.
  • Collaborate with Product Owners, Architects, QA, DevOps, and business stakeholders.
  • Implement CI/CD pipelines using Azure DevOps or GitHub Actions.
  • Ensure application security, performance, scalability, and reliability.
  • Participate in sprint planning, estimations, and technical roadmap discussions.
  • Promote engineering best practices including Clean Architecture, SOLID principles, and Domain-Driven Design (DDD).
Required Skills
  • 10+ years of experience in C# and .NET development.
  • Strong expertise in:
    • .NET Core / .NET 8+
    • ASP.NET Core
    • C#
    • Entity Framework Core
    • SQL Server
    • REST APIs
    • Microservices
  • Mandatory experience working with money movement/payment systems such as Zelle, ACH, RTP, FedNow, Wire Transfers, or similar payment processing platforms.
  • Experience with Azure (App Services, Functions, Service Bus, Key Vault, Storage, Azure SQL).
  • Knowledge of Docker and Kubernetes.
  • Experience implementing CI/CD pipelines.
  • Strong understanding of Design Patterns, SOLID Principles, Clean Architecture, and Domain-Driven Design (DDD).
  • Experience with unit testing frameworks (xUnit, NUnit, MSTest).
  • Proficiency with Git and Agile/Scrum methodologies.
Preferred Qualifications
  • Experience with React, Angular, or Blazor.
  • Knowledge of event-driven architecture (Kafka, Azure Service Bus, RabbitMQ).
  • Microsoft Azure certifications are a plus.
  • Experience leading teams of 5 15 developers.
Soft Skills
  • Excellent leadership and mentoring abilities.
  • Strong analytical and problem-solving skills.
  • Excellent communication and stakeholder management.
  • Ability to drive technical decisions and architectural discussions.
  • Passion for continuous learning and adopting emerging technologies.
Education
Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
Nice to Have
  • Exposure to AI-assisted development tools such as Claude Code, GitHub Copilot, Cursor, or similar.
  • Experience integrating AI capabilities into enterprise applications.
  • Familiarity with Azure OpenAI, Anthropic Claude APIs, or other LLM integrations.
  • Experience with DevSecOps, observability, and cloud-native architectures.

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