• Type of work: 100% Full-time remote

About the Role

Our client is seeking a Backend Engineer with strong expertise in Java or Node.js, ideally with hands-on experience in digital banking or fintech platforms. You will build scalable, secure, and high-performance backend services that power next-generation banking applications for international clients. This role allows you to work remotely with a global engineering team while contributing to complex financial systems.

Responsibilities

• Design, develop, and maintain RESTful APIs & microservices using Java (Spring Boot) or Node.js (NestJS/Express).
• Build features for digital banking systems: account services, payments, transfers, QR/payments, card services, KYC, limits, transaction workflows.
• Integrate with core banking systems, payment gateways, identity/KYC providers, SMS/OTP services, and other third-party fintech vendors.
• Ensure security, scalability, reliability, and high availability of backend services (following OWASP, secure coding standards).
• Work with SQL databases (MySQL/PostgreSQL/Oracle) and basic NoSQL.
• Participate in technical design, code review, and sprint planning with cross-functional teams.
• Collaborate with DevOps on deployments using Docker, CI/CD pipelines, cloud environments.
• Write unit tests & integration tests, maintain system documentation.

Requirements

Must Have

• 3+ years of experience as a Backend Engineer.
• Strong skills in Java (Spring Boot) or Node.js (NestJS/Express).
• Experience in digital banking/fintech, such as:
• Internet/Mobile Banking
• Payments & Transfers
• E-wallet systems
• Card services, lending, limits
• Core banking integration
• Solid understanding of microservices, API design,and event-driven patterns.
• Strong knowledge of SQL databases, database schema design, and performance tuning.
• Understanding of security standards: authentication, authorization, encryption, secure APIs.
• Experience using Git, CI/CD, Agile/Scrum.
• Good English for reading documentation and communication.

Nice to Have

• Kafka, RabbitMQ, Redis Pub/Sub, event streaming.
• Experience with cloud platforms (AWS / GCP / Azure).
• Experience with high-volume transaction systems.
• Familiarity with PCI-DSS, data masking, banking compliance.

Soft Skills

• Strong ownership and accountability
• Good communication skills in a remote work environment
• Ability to work independently and collaborate with global teams

Why Join Supercoder

• 100% remote opportunity with global fintech clients
• Work with modern architectures & high-scale financial systems
• Transparent process: Apply → AI Interview → Client Interview → Offer
• Once your Supercoder profile is completed, you can be matched with multiple global opportunities.