Backend Engineer (Junior to Mid-Level)

As a Backend Engineer at coins.ph, you'll build payment systems used by millions of users across the Philippines and beyond. You'll work with senior engineers and architects in a regional team, shipping Java-based microservices that power acquiring, clearing, settlement, and ledger accounting. coins.ph is the most established crypto brand in the Philippines, fully regulated by the Bangko Sentral ng Pilipinas (BSP), and the first crypto-based company in Asia to hold both Virtual Currency and Electronic Money Issuer licenses from a central bank.

What you'll do

• Design, develop, test, and maintain Java-based microservices that run the payment platform, contributing to features across the payment lifecycle including acquiring, clearing, settlement, and ledger accounting
• Build and improve reconciliation jobs, exception-handling flows, and monitoring systems that keep every transaction accurate and every peso accounted for
• Work on integrations with banks, local payment methods, card networks, and international payment partners to expand payment capabilities
• Use AI-assisted development tools such as code assistants, AI-driven testing, and debugging to work more productively, and help explore and prototype AI-powered features and internal tools
• Troubleshoot production issues, write clean and well-tested code, and help make systems more available, scalable, and efficient
• Work closely with product, risk, finance, and compliance teams, as well as Mandarin-speaking engineering and business teams, to deliver secure and compliant solutions

What you bring

• 1 to 5 years of professional backend development experience (strong fresh graduates with solid internship or project experience are welcome to apply)
• Hands-on experience with Java, preferably Spring Boot
• Familiarity with microservices architecture, RESTful APIs, and relational databases such as MySQL or PostgreSQL
• A strong interest in AI, demonstrated through regularly using AI coding tools, experimenting with LLMs or AI APIs, or building AI-powered side projects
• Proficiency in Mandarin Chinese, both spoken and written (you will work regularly with Mandarin-speaking teams and stakeholders)
• Business-level English
• A solid grasp of computer science fundamentals including data structures, algorithms, and basic distributed systems concepts
• Strong problem-solving skills, ownership, and eagerness to learn

Nice to have

• Exposure to fintech, payments, banking, e-wallets, or crypto
• Experience with message queues such as Kafka or RabbitMQ, caching solutions such as Redis, or containerization tools like Docker and Kubernetes
• Understanding of transaction consistency, idempotency, or reconciliation concepts
• Experience with cloud platforms such as AWS, GCP, or Alibaba Cloud

About coins.ph

coins.ph is the most established crypto brand in the Philippines with over 18 million users. The company is fully regulated by the Bangko Sentral ng Pilipinas and is the first crypto-based company in Asia to hold both Virtual Currency and Electronic Money Issuer licenses from a central bank.