Senior .NET developer

Overview

Full-time

Experience Level: 5+ YOE

About The Role

Looking for experienced .NET developers having a strong background in building scalable products. At Lumel you will play a key role in our technology transformation as we migrate existing services from Node.js and Golang into .NET,

Key Responsibilities

• Design, develop, test, and maintain backend services and APIs using C#/ .NET
• Lead the migration of existing services from Node.js and Golang to .NET, ensuring feature parity and performance improvements.
• Collaborate with product managers, architects, DevOps, and frontend teams to deliver high-quality product features.
• Optimize application performance, scalability, and reliability.
• Implement secure coding standards, error handling, observability, and logging.
• Write clean, maintainable, testable code following software engineering best practices.
• Participate in code reviews, technical design discussions, and architecture planning.
• Contribute to CI/CD pipelines and automated testing initiatives.
• Document technical specifications, workflows, and architectural decisions.
  
  

• 5+ years of experience in backend development with C#/.NET.
• Proven experience building high-availability, distributed systems or SaaS products.
• Strong understanding of RESTful APIs, microservices, and event-driven architecture.
• Hands-on experience with Entity Framework Core, SQL databases (MSSQL, PostgreSQL), NoSQL stores (Redis, MongoDB), and caching strategies.
• Solid understanding of cloud platforms (Azure preferred; AWS/GCP acceptable).
• Experience with containerization (Docker, Kubernetes).
• Familiarity with migrating or refactoring codebases into .NET is a strong plus.
• Experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins, etc.).
• Strong debugging, troubleshooting, and performance optimization skills.
• Excellent communication and collaboration skills.
  
  

• Prior experience migrating from Node.js or Golang into .NET.
• Experience with Domain-Driven Design (DDD) or clean architecture.
• Knowledge of message queues (Kafka, RabbitMQ, Azure Service Bus).
• Exposure to frontend frameworks (React/Angular) is a plus, but not required.
• Understanding of secure coding practices (OWASP, identity/auth).
  
  

• Opportunity to work on large-scale product engineering challenges.
• Influence architecture and engineering decisions during a major platform migration.
• Collaborative, product-focused engineering culture.
• Competitive compensation and growth opportunities.