Lead C# Developer

&Evolve

full-time

Posted on: 9/21/2025

Origin: • 🇻🇳 Vietnam

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Senior

ASP.NETAWSCloud.NETRabbitMQSOAP

About the role

Design and implement reliable, high-performing technical solutions based on business and customer requirements
Refactor and create abstractions to simplify components and promote code re-use
Apply foresight for future extensibility and provide technical recommendations and designs
Write thorough technical documentation and present complex solutions clearly
Diligent unit testing, debugging, and peer-reviewing pull requests
Work with Product Managers to evaluate requirements, estimate and prioritize enhancements
Collaborate within a multi-disciplinary team and communicate with other teams to ensure coordinated delivery
Serve as HR manager for developers: attendance management, approval of time off requests, delivery of performance reviews, making recommendations for promotions, performance issue management
Look for opportunities to improve team skills, career development and coaching
Participate in Scaled Agile Framework (SAFe) ceremonies: SCRUM, Sprint Planning, Retrospectives, PI planning
Provide suggestions for architectural and quality of life improvements to improve code and processes

7+ Years of practical working experience in .NET (C#) and ASP.NET
Ability to manage, motivate, and grow the skills of small team of developers
Understanding of SOLID principles, Dependency Injection, asynchronous execution, composition over inheritance
Experience in relational database design and normalization
Experience in REST API design principles
Experience with XML and SOAP protocols
Experience with automated testing frameworks (xUnit, nUnit, Moq, nSubstitute)
Experience in modern version control (ex. GitHub)
Experience with CI/CD tools (ex. GitHub Actions)
Some experience with event based solutions and message bus design patterns (RabbitMQ) (nice to have)
Experience in cloud environments (preferably AWS) (nice to have)
Experience using API testing tools such as Postman (nice to have)
Understanding of DDD concepts and CQRS principles (nice to have)
Experience working in a Scaled Agile Framework (SAFe) environment (nice to have)
Keyloop doesn’t require academic qualifications for this position; selection based on experience and potential