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Who are we? dtcpay is a MAS licensed payment service provider that bridges traditional finance and digital assets. We enable businesses to accept and make payments in both fiat and digital currencies, delivering secure, efficient, and seamless payment experiences across borders. As we expand globally, we are shaping the future of digital payments. We are also recognised as one of Singapore’s Top 10 Startups in the LinkedIn Top Startups 2025 list, a reflection of our momentum and the exciting journey ahead for our team. We are seeking a Backend Engineer to design and build reliable payment and wallet infrastructure that supports high performance, scalability, and security. In this role, you will contribute to the development of core financial systems, work with modern microservices architecture, and collaborate closely with cross functional teams to deliver robust backend solutions. This position is ideal for someone who enjoys solving complex system challenges, improving performance, and building highly reliable backend services in a fast paced engineering environment. What you'll do: Design and develop core payment/wallet systems, ensuring stability and security. Develop, optimize, and maintain microservice modules. Participate in technical reviews and drive code quality and engineering standards. Collaborate with product, frontend, and QA teams to deliver requirements. Contribute to performance optimization, troubleshooting, and incident response. What we are looking for: Bachelor’s degree in Computer Science, Computer Engineering, or related field. Minimum 5 years of Java backend development experience across the full project lifecycle. Proficient in Core Java , Spring frameworks , Spring Boot , and MyBatis . Experienced with MySQL/PostgreSQL, capable of SQL optimization. Understanding of message queues (ActiveMQ/RabbitMQ/Kafka) and Redis caching. Hands-on experience with microservices architecture, service design, and distributed systems. Broad technical knowledge spanning databases, networking, security, and performance. Good coding habits with emphasis on readability and maintainability. Strong communication skills, able to articulate technical solutions clearly. Self-motivated with ability to learn new technologies quickly. Proficiency in both English and Mandarin , as you will collaborate with Chinese vendors. The role is based fully onsite, requiring your presence in the office. Nice to Have: Proficient in Kotlin for backend development. Experience with AI/LLM applications (GPT integration, chatbots, RAG, etc.). Background in payments, finance, or wallet systems. Cryptocurrency/blockchain development experience. Familiar with Docker and Kubernetes for containerized deployments. Knowledge of frontend technologies (React/Flutter) is a plus.
Here's where they are and how to stand out in your next interview.
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Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.