Java Backend Engineer (Fintech)

TL;DR

Java Backend Engineer (Fintech): Building and maintaining banking and card payment integrations for global financial networks with an accent on high-availability payment processing and reconciliation. Focus on designing channel routing, clearing, and settlement modules to ensure system scalability and reliability.

Location: Remote (Asia)

Company

Global cryptocurrency exchange and fintech ecosystem providing infrastructure for digital asset trading and fiat payment gateways.

What you will do

• Design and develop integrations with banks, card networks (Visa/Mastercard), and payment service providers.
• Build and maintain high-availability, high-concurrency payment processing systems.
• Develop core payment modules including channel routing, clearing, reconciliation, and settlement.
• Collaborate with cross-functional product, risk, and compliance teams to deliver reliable payment solutions.
• Optimize system performance, stability, and scalability through code reviews and technical troubleshooting.

Requirements

• 3–5 years of Java backend development experience.
• Proficiency in Spring Boot, MyBatis, and distributed system components like Redis and MQ.
• Experience integrating third-party payment channels, banking APIs, or card payment systems.
• Strong understanding of payment flows, including authorization, clearing, settlement, and reconciliation.
• Fluency in English required for coordination with overseas partners and stakeholders.

Nice to have

• Experience with Visa/Mastercard acquiring or card issuing systems.
• Knowledge of PCI-DSS or financial compliance standards.
• Background in the crypto industry or fintech platforms.