Backend Engineer (Java, PIX)

As a Backend Engineer at Binance, you design, develop, and maintain scalable backend services using Java and Spring Boot to support PIX payment integrations and related payment flows in Brazil. You join a team building reliable, high-performance systems that handle payment processing, bank integrations, and transaction management at scale.

What you'll do

• Design, develop, test, and maintain scalable backend services using Java and Spring Boot to support PIX payment integrations and related payment flows in Brazil
• Implement and optimize payment processing capabilities, including payment initiation, transaction status management, reconciliation, and exception handling
• Integrate with Brazilian banks, payment service providers, and external financial systems through APIs and other integration mechanisms
• Build reliable, high-performance backend systems with a strong focus on transaction consistency, idempotency, fault tolerance, and system availability
• Troubleshoot production issues, identify root causes, and implement effective solutions to improve system stability and performance
• Collaborate closely with product managers, QA engineers, DevOps, and other engineering teams to deliver payment features from development through production deployment
• Write clean, maintainable, and well-tested code, participate in code reviews, and contribute to engineering best practices
• Monitor system performance, identify bottlenecks, and continuously improve the reliability, scalability, and efficiency of payment services
• Support payment-related security, risk control, and compliance requirements in collaboration with relevant stakeholders

What you bring

• Strong hands-on backend development experience with Java, preferably using Spring Boot and related frameworks
• Solid understanding of RESTful APIs, microservices architecture, distributed systems, and database design
• Experience working with relational databases and SQL
• Strong understanding of backend engineering fundamentals, including concurrency, transaction management, error handling, and performance optimization
• Experience building and maintaining production systems, with the ability to independently investigate technical issues and deliver practical solutions
• Familiarity with automated testing, CI/CD pipelines, Git, and production monitoring tools
• Strong problem-solving skills, ownership, and a willingness to get hands-on with coding, debugging, and operational troubleshooting
• Ability to work collaboratively in a cross-functional engineering environment

Nice to have

• Experience with PIX, Brazilian payment systems, or integrations with Brazilian banks and local payment service providers
• Experience in payment processing, fintech, banking, digital wallets, or other transaction-intensive systems
• Familiarity with payment reconciliation, webhook processing, transaction lifecycle management, and payment failure recovery
• Familiarity with caching, messaging systems, and asynchronous processing
• Experience with cloud infrastructure, containerization, Kubernetes, and observability tools
• Understanding of payment security, fraud prevention, and financial regulatory requirements

What we offer

• Competitive salary and company benefits
• Remote-first, work-from-home arrangement (may vary depending on the nature of the role and team)
• Opportunities for career growth and continuous learning

About Binance

Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users, trusted by 300+ million people in 100+ countries. The company offers industry-leading security, user fund transparency, and an unmatched portfolio of digital-asset products, with services ranging from trading and finance to education, research, payments, and institutional services.