OnePAY HN

BIDV Tower, 194 Tran Quang Khai, Hà Nội

Company Size : 25-99

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Job Summary

25-99

Product

Việt Nam

Middle/Junior Software Developer

OnePAY HN

Hoàn Kiếm, Hà Nội

  • English
  • Experienced (Non-Manager)
  • Full Time
  • Negotiable
  • Posted:20/05/2026
  • 1

Job description

Overview of job

We are looking for a Java/ Golang,  Angular/VueJS Developer (Middle/Junior) to be part of our expanding team. Your main goal is to develop products with the FinTech and Payments processing industry. 

As a Developer, your responsibilities will be: 

  • Participate in the design, development, and maintenance of software applications using Java, Golang, or Angular, VueJS.
  • Collaborate with other developers and cross-functional teams to implement new features and improvements.
  • Write clean, maintainable, and efficient code, following team coding standards and best practices.
  • Assist in troubleshooting and debugging issues to ensure smooth system performance.
  • Contribute to testing activities, including writing unit tests and supporting code reviews under senior guidance.
  • Learn and apply new technologies to enhance your technical skills and contribute to project success.
  • Work closely with senior developers to understand system architecture, development processes, and industry best practices.
  • Stay curious and updated about new trends in FinTech, Payments, and software development.

=> Only recruiting candidates in Hanoi

  • 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.

Job Requirement

General skills: 

  • Bachelor’s degree in computer programming, computer science, or a related field.
  • 03 years working experience in software development.
  • Strong proficiency in Java or Golang for backend development and/or Angular for frontend development.
  • Experience with RESTful APIs, microservices architecture.
  • Good knowledge on Database system: Oracle, Postgresql, NoSQL (OpenSearch, ElasticSearch)
  • Knowledge of DevOps practices, Git, CI/CD pipelines, and containerization (Docker/Kubernetes) is a plus.
  • Experience with AI coding tools is a plus.
  • Speaking, Writing and Reading English is preferred.

Opportunity to become Technical Leader or higher in your career path if you have:

  • Good leadership skills; analytical skills and communication skills
  • Logical thinking & Problem – solving skills

Languages

  • English

    Speaking: Intermediate - Reading: Intermediate - Writing: Intermediate

Technical Skill

  • Java
  • AngularJS
  • Golang
  • Oracle
  • PostgreSQL
  • Git
  • NoSQL
  • Elasticsearch
  • Docker
  • Architecture
  • DevOps
  • VueJS
  • Kubernetes
  • Microservices
  • RESTful API
  • CI/CD
  • OpenSearch

COMPETENCES

  • Team Leadership
  • Analytic Skills
  • Communication Skills
  • Logical Thinking

BUSINESS PROFILE

OnePAY is the representative of MasterCard (MiGS) in providing the online payment solutions to the Vietnam. OnePAY Payment Gateway meets the standards of the payment card industry such as PCI DSS of PCI Security Standards Council, 3D-Secure of Visa, MasterCard and JCB …. OnePAY is also cooperating more than 10 biggest banks of Vietnam in the diversified deployment of non-cash payment channel.

OnePAY is now leading in the payment market. From online international card (CNP) processing, OnePAY is gradually expanding the electronic payment channel including the payment via ATM, POS, Internet Banking, SMS banking …. by the connections with all banks in Vietnam. OnePAY incessantly expands the service to provide all instruments, electronic commerce business solutions to Vietnam and Indochina market.