Senior .NET Developer – Insurance/Finance Domain

LOCATION: HCMC – Onsite District 1

JOB DESCRIPTION 

GEM is seeking a talented Senior .NET Backend Engineer with solid experience in designing and developing Microservices-based applications using .NET Core. We are specifically looking for candidates who have previously worked on Insurance domain projects, as Insurance domain experience is a mandatory requirement for this position.

• Design, develop, and maintain backend systems using .NET Core, following Microservices architecture  
• Analyze business requirements and read, understand, and evaluate existing system architectures, proposing technical improvements when necessary  
• Design, develop, and optimize databases using SQL Server and PostgreSQL  
• Utilize Redis for caching, performance optimization, and state management  
• Build and integrate event‑driven systems using Azure services such as Azure Event Grid, Azure Service Bus  
• Work with Kafka for message streaming and event-based communication  
• Ensure system reliability, scalability, performance, and maintainability  
• Collaborate closely with DevOps, QA, and cross‑functional teams throughout the development lifecycle  
• Participate in troubleshooting, debugging, and resolving complex technical issues  
• Handle multiple concurrent tasks effectively in a fast‑paced project environment 

REQUIRED SKILLS AND EXPERIENCE 

• 5+ years of experience with .NET Framework, .NET Core, or .NET 8+.
• Strong knowledge of C#, RESTful APIs, Entity Framework, LINQ, OOP, SOLID, and Clean Architecture.
• Strong experience with Oracle Database, SQL optimization, and working knowledge of SQL Server.
• Basic to intermediate Angular skills for frontend support when needed.
• Understanding of Microservices, Event-Driven Architecture, Redis, Message Queues, API Security, and system performance optimization.
• Experience using AI coding tools such as GitHub Copilot to improve development productivity.
• Strong analytical, problem-solving, and teamwork skills.

Nice to Have

• Experience in Insurance/Finance domain.
• Knowledge of AI Agents, LLM/RAG, Azure Cloud, Docker, Kubernetes, and CI/CD.
• Experience building large-scale, high-performance systems.
• Experience in the Insurance/Finance domain
• Candidates available for early onboarding

BENEFITS 

• Salary: Up to 50M 
• Probation salary is 100% of the official salary
• 13th-month salary and performance review twice a year 
• Bonus for special occasions each year (Labor Day, National Day, Solar New Year, Lunar New Year) 
• Employee’s professional certification and training allowances are subject to company regulations 
• Health Care Insurance
• Annual Health Assessment 
• Social, health and unemployment Insurance following the government policy 
• Enjoy company summer trips and other team-building activities held monthly and quarterly 
• Work five days per week with flexible working time 
• Professional, creative and dynamic working environment  

CONTACT

• Send CV to: [email protected]
• Hotline: +842466666100 (Recruitment Team)
• Facebook GEM Careers: https://www.facebook.com/tuyendungGEM
• LinkedIn GEM Careers: https://www.linkedin.com/company/gem-careers-hiring/