JOB DESCRIPTION
Position: .NET Core Developer (Backend / Microservices)
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:
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
REQUIREMENTS
Minimum 4 years of experience developing applications with .NET Core / ASP.NET Core
Strong hands-on experience with:
o SQL Server and PostgreSQL (data modeling, query optimization)
o Kafka (producers/consumers, topics, partitions – strong advantage)
o Azure Event Grid and Azure Service Bus
o Microservices architecture
o Event driven architecture
o RESTful APIs (gRPC is a plus)
Experience working with distributed systems and high availability / scalable systems
Strong system analysis and architectural comprehension skills
Excellent problem solving and troubleshooting abilities
Ability to manage multiple tasks concurrently and prioritize effectively
Proactive, responsible, and detail oriented mindset
Strong communication and teamwork skills
Ability to write clear and maintainable technical documentation
o Azure Cloud services (App Service, AKS, Monitor, Application Insights, etc.)
o Clean Architecture, Domain Driven Design (DDD)
o Security standards such as OAuth2, OpenID Connect, JWT
Experience migrating monolithic systems to microservices
BENEFITS
Minimum 13 months salary per year - not including other bonuses such as KPI bonus for work efficiency, project bonus and revenue bonus. We do performance review twice a year. You will work in a professional, dynamic and friendly environment.
VTI offer annual health check-ups and fully pay social insurance, health insurance and unemployment insurance premium following the Labor law.
We offer one vacation/company trip and 4 teambuilding trips per year for every employees, along with various entertainment activities including: Swimming Clubs, Yoga, Zumba, Kendo and music order via internal Radio channel.
Two MVPs will be rewarded with a free trip to Japan, Taiwan, Singapore, or else.
We offer variety promotion opportunities and chance to raising income for people with capacity, enthusiasm, and long-term commitment.
We offer free Japanese class at the company.
We provide training opportunities to help our people to improve their skills. We support our members to learn and get Cloud, AWS, PMF, PMP certification.
Working hour from: 08:30am to 05:30pm. From Monday to Friday.
