Back End Developer (Visa/Mastercard Payment Integration)
SingaporeFull-TimeMid-levelOther
Mandatory Skills
- Backend development experience in payment systems (POS & E-Commerce) – Hands-on experience building transaction processing systems covering authorization, settlement, reconciliation and onboarding flows
- Visa / Mastercard / International Card Scheme integration – Experience working with scheme specifications, ISO messaging, compliance mandates and certification processes
- Secure API & Payment Gateway Development – Design and implementation of scalable backend services supporting high transaction volumes.
- PCI-DSS Compliance & Payment Security Standards – Knowledge of encryption, tokenization, secure key management and audit requirements
- C++ Development – Strong programming capability in C++ for backend system development
- Korn Shell Scripting – Ability to develop and maintain shell scripts in Linux environments for automation and batch processing.
- Linux (RHEL/Open Systems) Development Environment – Deployment, troubleshooting and performance tuning in Red Hat Enterprise Linux environments
- Database Management (PostgreSQL / MySQL) – Schema design, performance tuning, query optimization in transactional systems.
- Base24-eps knowledge (Advantage) – Familiarity with transaction switching platforms such as BASE24-eps.
- Strong troubleshooting & production support experience – Ability to debug high-severity transaction failures in live environments.
- Communication & Stakeholder Collaboration – Ability to work with QA, Frontend, business teams and scheme representatives.
About Encora
- Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering & Application Modernization, Data & Analytics, Digital Experience & Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI & LLM Engineering, among others.
- At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality
