Principal Java Engineer


Develop scalable, highly secure, and high-performance applications
Design and build a complex architecture of new products and features
Quickly fix system failures or abnormalities by monitoring or notifications
Introduce tools, systems, and cultures for efficient development
Develop fundamental skills of team members
Resolve any technical issues, risks, and challenges, escalating as necessary and providing solutions


At least 7 years of experience in developing web applications
Proficiency in Java and Kotlin for BE/willing to study Kotlin to write clear, readable, and maintainable code
Container-based development (Docker, docker-compose, Kubernetes) experience
Writing comprehensive and maintainable test code (must)
​​Experience using, designing, and building GraphQL Web Service APIs
Extensive experience with Spring framework: Spring Boot, Spring Data, Spring Security, Spring Batch, Spring Cloud
Knowledge of Domain Driven Development and Onion Architecture
Strong knowledge of sql (MySQL) and no-sql design/optimization and ORM
Agile/Scrum software development experience
Experience in improving application security, performance, and operation
Experience in educating team members
Strong sense of ownership
Strong knowledge of security and performance
Strong Knowledge of microservices architecture design and implementation
Willingness to learn and build a deep understanding
Build and maintain application infrastructure built on AWS


Caring Mental & Physical Recreation:
Hybrid working: 2 days at the office and 3 days WFH
Working hour: Flexible start 8AM-9AM from Mon-Fri
Full salary in probation
Insurance: Applied from Probation period:
Social Insurance, Health Insurance, Unemployment Insurance (on 100% salary)
Private health insurance & accident insurance. From Managing level: extra for family members
Bonus: 13th month salary
16 - 24 paid days off and more
Paternity leave: Extra 5 days
Annual company trip; Quarterly team building
Billiards & Running club
Annual health check
Well-equipped facility: Macbook pro, additional monitor, ..
Caring Career & Development:
Clear Career path
Foreign language & International technology-related certifications sponsoring
External & internal training courses
Soft-skill workshops
Tech seminars
Monthly and biannual Recognition Awards
Performance & salary review: twice/year (Jun & Dec)


PEGASI – IT Recruitment Consultancy | Email: | Tel: +84 28 3622 8666
We are PEGASI – IT Recruitment Consultancy in Vietnam. If you are looking for new opportunity for your career path, kindly visit our website for your reference. Thank you!

Job Summary

Company Type:

Product, Fintech

Technical Skills:

Java, Backend


Ha Noi - Viet Nam



Job ID: