Senior .NET Software Engineer — API, Security & Kubernetes

VLink Inc; Kota Yogyakarta; On-site; IDR 190,000,000 - 320,000,000; Full time

Job summary

VLink Inc is seeking a software engineer with 3+ years of experience in .NET 5+ and C#, plus strong MS SQL Server skills. You will develop robust back-end services, design APIs, and document data models to support business needs.

You will collaborate with Product Owners and Architects, estimate stories, write clean code, conduct unit testing, and contribute to security and quality across the development lifecycle. Strong communication is essential in this role.

Qualifications

• Bachelor’s degree in Information Technology or a related field from a reputable university.
• More than 3 years of experience in software development using .NET 5 or above, C#, and MS SQL Server.
• Experience in API development, documentation, diagramming, SIT, UAT, and penetration testing.
• Strong knowledge of RDBMS and SQL programming (queries, DML, DDL).
• Good knowledge of version control systems (Git).
• Strong problem-solving and debugging skills.
• Experience with Keycloak, Redis, or Elasticsearch is an advantage.
• Experience with Kubernetes is preferred.
• Good communication, interpersonal, and presentation skills.

Responsibilities

• Collaborate with Product Owners and System Architects to understand features and user stories.
• Estimate story points and contribute to team capacity planning.
• Write clean, maintainable, and scalable code following best practices, based on business and technical requirements.
• Perform unit testing, and support integration testing and regression testing.
• Fix bugs and continuously improve code quality.
• Document code, APIs, and architectural decisions for future reference.
• Ensure compliance with security, regulatory, and governance requirements.

Skills

C#

.NET 5+

SQL

API development

Unit testing

Problem solving

Security testing

Team collaboration

Education

Bachelor's degree in Information Technology or related field

Tools

Git

Keycloak

Redis

Elasticsearch

Kubernetes

MS SQL Server

Job description

VLink Inc is seeking a software engineer with 3+ years of experience in .NET 5+ and C#, plus strong MS SQL Server skills. You will develop robust back-end services, design APIs, and document data models to support business needs.

You will collaborate with Product Owners and Architects, estimate stories, write clean code, conduct unit testing, and contribute to security and quality across the development lifecycle. Strong communication is essential in this role.