Fullstack Developer - Onsite HCM

- Design, develop, and maintain high-performance RESTful APIs using Java Spring Boot.
- Build robust microservices that handle large-scale financial transactions.
- Work with Kafka and RabbitMQ to implement event-driven architectures.
- Collaborate with architects and DevOps to design and implement cloud-native and secure systems on AWS.
- Implement efficient data models and optimize database performance (Oracle, PostgreSQL).
- Develop and maintain unit tests and contribute to CI/CD pipelines.
- Ensure high system reliability through monitoring, logging, and performance tuning (ELK, Prometheus).
- Design and develop internal web applications (admin portals, dashboards, internal tools) to support internal teams such as Operations, Telesales, Customer Service, etc.
- Build and maintain frontend components using modern frontend frameworks (React, Next.js, Angular, AngularJS, Vue.js).
- Mentor junior engineers and contribute to code reviews and design discussions.
- Work closely with business teams (Product, Operations, Telesales, Customer Service) to deliver solutions aligned with user needs.

Backend Development
- Strong expertise in designing and building RESTful APIs using Java Spring Boot.
- Proven experience with Java 8+ (Streams, Lambdas, Optional, Functional Programming).
- Deep understanding of software design patterns and microservices architecture.
- Have experience with SOAP API

Messaging & Event-driven Systems
- Hands-on experience with Kafka and/or RabbitMQ.

Database & Data Management
- Proficient in Oracle and PostgreSQL databases.
- Strong understanding of SQL optimization and transaction management.
- Caching & Performance
- Experience with Redis and caching strategies.
- Proven experience building high-performance backend systems processing billions of transactions/month.
- Monitoring & Logging
- Experience with ELK stack (Elasticsearch, Logstash, Kibana).
- Familiarity with Prometheus and Grafana.

Cloud-native Development
- Experience with cloud platforms (AWS preferred).
- Familiarity with 12-Factor App principles.

Development Practices
- Solid understanding of secure development practices.
- Proficient in Agile methodologies, Unit Testing, CI/CD pipelines.

Frontend Development
- Experience building internal web applications using React, Next.js, Angular, AngularJS, or Vue.js.
- Understanding of modern frontend architecture, state management (Redux, Context API), and RESTful API integration.
- Basic understanding of UI/UX principles for internal tools.

Soft Skills
- Strong communication and collaboration abilities.
- Team-oriented mindset; ability to mentor and support fellow engineers.

Nice to Have
- Experience working in the banking / financial services domain.
- Background working with core card systems (credit card, debit card platforms).
- Experience collaborating with international card payment organizations (Visa, Mastercard, JCB, UnionPay).
- Experience working in a product development environment (building long-lived product lines).
- Hands-on experience with Load Testing tools: JMeter, JProfiler, Locust, k6.
- Familiarity with regulatory compliance and security standards in financial systems.
- Experience working with NoSQL databases such as MongoDB or Cassandra.
- Experience applying AI-powered tools and techniques to enhance productivity and accelerate project delivery.
- Experience building and maintaining legacy frontend systems using AngularJS and migrating them to modern frameworks is a plus.

- Mức lương:
Middle(3-5 yoe): upto 30M
Senior(>5 yoe): upto 36M
- Phụ cấp onsite 100.000 VND /ngày làm việc.
- Không cần thử việc, nhận làm chính thức hưởng 100% lương và được đóng đầy đủ bảo hiểm theo luật lao động Việt Nam (BHXH, BHYT, BHTN) ngay từ ngày onboard.
- Tham gia các hoạt động của công ty: Liên hoan tháng, quý, teambuilding, du lịch, nghỉ dưỡng và các hoạt động khác.
- Làm việc với hệ thống lớn và tiên tiến, có cơ hội phát triển kỹ năng công nghệ toàn diện với các bài toán phức tạp, yêu cầu độ chính xác cao.
- Đánh giá năng lực, hiệu suất làm việc 2 lần trong năm.
- Cơ hội thăng tiến dựa trên năng lực tương ứng với tăng bậc và tăng lương tương xứng.
- Cơ hội triển khai các dự án tham vọng ở nhiều quốc gia, tiếp xúc với những công nghệ mới nhất và học hỏi từ những đồng nghiệp giỏi.
- Được tham gia các khoá đào tạo kỹ năng: AWS, Microservice, ngoại ngữ (tiếng Anh, tiếng Nhật)…