OnePay
Senior Software Developer (Java/ Golang/ Angular)
Skills
23 days ago
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Important information
Location:
Hanoi, Vietnam
Work mode:
Onsite
Published on:
28 September 2026
What they need
Top 3 reasons to join us
- Competitive Salary
- Professional environment and Experienced team
- Receiving training opportunities
Job description
We are looking for a Senior Java/Golang, Angular/VueJS Developer to be part of our expanding team. Your main goal is to oversee the development of products within the FinTech and Payments processing industry.
As a Senior Developer, your responsibilities will be:
- System Design, develop, and maintain robust, high-quality software applications using Java, Golang, or Angular, VueJS.
- Take lead and collaborate with cross-functional teams to analyze requirements, define technical solutions, and deliver new features.
- Review & ensure code quality by writing unit tests, performing code reviews, and enforcing development best practices.
- Optimize performance and scalability across distributed systems and complex environments.
- Identify, troubleshoot, and resolve complex technical issues efficiently and proactively.
- Provide technical leadership and mentorship to junior and mid-level developers, fostering a culture of continuous improvement.
- Lead & drive the team to adopt and follow Agile/Scrum practices effectively.
- Contribute to system architecture discussions and long-term product/system roadmap planning.
- Stay current with emerging technologies and trends in FinTech, Payments, and modern software development practices.
Your skills and experience
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- 5+ years of professional experience in software development.
- Strong proficiency in Java or Golang for backend development and/or Angular/VueJS for frontend development.
- Experience with RESTful APIs, microservices architecture.
- Solid experience in system design.
- Solid understanding of database programming (SQL and NoSQL) and data modeling.
- Knowledge of DevOps practices, Git, CI/CD pipelines, and containerization (Docker/Kubernetes) is a plus.
- Excellent problem-solving skills and attention to detail.
- Strong communication skills and ability to work collaboratively in a team environment.
- Experience with AI coding tools is a plus.
- Speaking, Writing and Reading English is preferred.
Why you'll love working here
- Competitive salary, negotiable based on competence
- Performance-based bonuses twice a year, depending on KPI and company business results
- In addition to 12 annual leave days as per labor law, additional paid summer leave based on seniority
- Health insurance for employees and family members
- Participation in company-organized team-building programs and annual community activities
- Working schedule: Monday – Friday, plus 2-3 Saturday mornings per month
- Opportunities to join internal training and development programs
- Full benefits including social insurance (SI), health insurance (HI), unemployment insurance (UI), annual health check-ups, and other benefits as per company policies and labor law regulations.
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