Design and optimize high-availability backend systems for Mastercard and Visa card issuance, including card application, card management, and transaction reconciliation subsystems. Develop scalable Java microservices, improve system performance and stability, conduct technology research, and support efficient business iteration. The role requires database, caching, messaging, SQL tuning, system design, and cross-cultural collaboration skills.
About Us
Established in 2018, Bybit is one of the world’s leading cryptocurrency exchanges and digital financial platforms, serving over 80 million users across more than 200 countries and regions. Powered by world-class technology and a user-first mindset, Bybit delivers a seamless ecosystem across trading, payments, wealth management, custody, institutional services, and Web3 — connecting users to the future of digital finance.
Our core values define how we build. We listen, care and improve to create products and experiences that put users first. Backed by a global team of ambitious builders, problem-solvers, and innovators, we foster a high-performance and fast-moving environment where talent is empowered to drive real impact at the global scale. Supported by 24/7 multilingual customer service and a strong commitment to innovation, we are shaping the future of finance through technology, collaboration, and bold execution.
Today, Bybit is recognized as one of the most trusted and transparent platforms in the digital asset industry, continuing to expand its global presence while building the infrastructure for the next generation of financial services.
Job Description
Participate in the design and optimization of the MasterCard/VISA card issuance business system to improve system performance and development efficiency, ensuring high availability, maintainability, and scalability of the system.
- Involved in the design and implementation of multiple subsystems in card issuance business, including card application, card management, reconciliation, etc., ensuring clear boundaries between modules for easy expansion to support rapid business growth.
- Drive rapid business development and efficient iteration through continuous technological research and innovation.
- Responsible for stability construction, ensuring high stability of card application and card management; guaranteeing the performance and accuracy of card transaction reconciliation.
Job Requirements
- 3-5 years of work experience, a bachelor's degree or above in computer software or related fields.
- Solid foundation in Java programming, mastery of common design patterns, and multithreading programming; familiar with common Java open-source frameworks (Spring/Spring Boot, Mybatis).
- Understanding of computer principles, with a good foundation in data structures and algorithms.
- Practical experience in developing highly available applications based on databases, caches, message middleware, and microservices.
- Proficient in the use of databases like Mysql/Oracle, with some SQL tuning abilities.
- Capable of analyzing and designing general system modules.
- Passion for technology, meticulous and rigorous at work, with a strict requirement for system quality.
- Good at communication, adept at cross-team and cross-cultural collaboration, proficient in English/Mandarin/Cantonese.
Why Join Us
At Bybit, we are committed to fostering a supportive and enriching work environment.
Our benefits include:
- Study Growth Fund: We support your professional development and continuous learning.
- Internal Events: Participate in regular team-building activities, workshops, and events designed to promote collaboration and innovation.
- Global Collaboration: Be part of a diverse, international team, working alongside colleagues from around the world.
- Career Advancement: Access opportunities for growth and advancement within a rapidly expanding global company.
- Internal Mobility: Grow with us- Your long-term development is important to us. We offer internal job opportunities to help build your career path.
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