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COME AND SHINE WITH VTI

Senior .NET Developer

Senior .NET Developer

JOB DESCRIPTION
Take technical ownership, define technical direction, design solutions, and lead the Backend development team using ASP.NET and VB6.
Analyze business requirements, assess existing systems, and propose appropriate technical solutions to meet project objectives.
Design, develop, enhance, and maintain Backend applications using ASP.NET and VB6.
Ensure code quality, system performance, stability, security, and scalability.
Conduct code reviews, provide technical guidance, and support team members in resolving technical challenges.
Collaborate with PMs, BAs, Testers, and other stakeholders to ensure project delivery on time and with high quality.
Investigate complex technical issues, perform troubleshooting, and optimize system performance.
Establish and maintain coding standards, technical documentation, and software development processes.
Plan, assign tasks, and monitor the development team's progress.
REQUIREMENTS
At least 6 years of experience in software development, including experience as a Tech Lead or Technical Leader.
Strong hands-on experience in Backend development using ASP.NET.
Experience in maintaining, supporting, or upgrading applications developed with VB6.
Solid understanding of application architecture, OOP, Design Patterns, and software design principles.
Experience in designing, developing, and integrating RESTful APIs.
Good knowledge of databases, SQL, and query optimization.
Experience in system analysis, troubleshooting, and application performance optimization.
Ability to understand, analyze, and improve existing source code.
Experience in technical leadership, task assignment, code reviews, and mentoring team members.
Good communication and collaboration skills to work with clients and stakeholders on technical matters.
Strong problem-solving skills, high sense of responsibility, and ability to work independently.
Preferred Qualifications
Experience in migrating or modernizing legacy VB6 systems to modern .NET platforms.
Experience working with large-scale Legacy systems.
Experience in Microservices architecture or distributed systems.
Experience with CI/CD pipelines and source code management tools such as Git and SVN.
Experience working on projects for Japanese clients or Enterprise-level projects.
Nationality: Vietnam
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.

Expired at Dec 11, 2026

Expired atDec 11, 2026

Job Details

Quantity:
1
Locations:
Hà Nội
Experience required:
Above 5 years
Level:
Senior
Job Type:
Bodyshop
Skills:
.NET
Salary range:

Expired atDec 11, 2026