Senior Java Developer ( Mandarin Speaker）

SmilePay; Jakarta Pusat; On-site; IDR 300.000.000 - 400.000.000; Full time

Job summary

A fintech company in Jakarta is looking for a Senior Java Developer to integrate APIs with payment gateways and contribute to system architecture. The ideal candidate will have at least 5 years of experience in Java development, with a strong understanding of multithreading and experience with Spring Boot. Proficiency in Mandarin and English is required. This role offers an opportunity to collaborate closely with cross-functional teams on innovative solutions.

Qualifications

• Minimum of 5 years of hands-on experience in Java development.
• Proficient in working with relational and non-relational databases.
• Experience with multithreaded programming and its considerations.

Responsibilities

• Responsible for API integration with payment gateway partners.
• Participate in the design and development of new products.
• Collaborate with product managers and other stakeholders.

Skills

Java development

API integration

Multithreaded programming

Relational databases

Spring Boot

Spring Cloud

Mandarin

English

Tools

MySQL

Oracle

Redis

Job description

We are looking for an experienced Senior Java Developer to join our backend development team. The ideal candidate will be responsible for integrating APIs with payment gateway (PG) partners and contributing to the design and development of new products and system architecture.

Key Responsibilities:

• Responsible for API integration with payment gateway partners.
• Participate in the research, design, and development of new products, offering innovative and effective solutions.
• Understand the overall system architecture, including system design and business logic, and provide constructive feedback.
• Develop and maintain backend code for assigned systems and features.
• Share knowledge of cutting-edge technologies with team members.
• Collaborate closely with product managers, front-end engineers, QA engineers, and other stakeholders to ensure successful project delivery.

Requirements:

• Minimum of 5 years of hands-on experience in Java development with a strong understanding of core Java principles.
• Proficient in working with relational databases such as MySQL and Oracle, as well as non-relational databases like Redis.
• Solid experience with multithreaded programming, including practical knowledge of its use cases, performance considerations, and potential pitfalls.
• Hands-on experience with Spring Boot and Spring Cloud frameworks is highly preferred.
• Proven ability to work collaboratively in a team environment.
• Prior experience in a Payment Gateway or fintech-related company is a strong advantage.
• Proficient in Mandarin / English (spoken and written) with strong communication, analytical, and problem-solving skills.