Job Description

Senior .NET developer

-------------------------

Employment Type:

Full-time

Experience Level:

3 - 5 YOE

About the Role

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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

-------------------------------------

3 - 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.