Senior .NET developer
Employment Type: 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.
Required Skills & Qualifications
- 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.
Nice-to-Have
- 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).
What We Offer
- 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.
