Senior Backend Developer ( C++ and Payment)
Encora · Singapore
Senior Backend Developer
Important Information
Location: Singapore
Key Responsibilities
- Design, develop, and enhance backend services supporting payment processing and transaction switching platforms.
- Develop and maintain integrations with international payment schemes including:
- Visa
- Mastercard
- American Express
- UPI
- Support payment platform migration initiatives including implementation of Base24-eps on Linux RHEL / Cloud environments.
- Analyse technical requirements and contribute to solution design, architecture discussions, and technical documentation.
- Develop high-performance backend components for large-scale transaction processing environments.
- Perform system optimization, troubleshooting, and performance tuning for payment switching platforms.
- Work closely with QA teams, frontend teams, business stakeholders, banks, vendors, and payment partners.
- Ensure solutions comply with payment security requirements including:
- PCI-DSS standards
- Card scheme requirements
- Secure transaction processing practices
- Document system architecture, integration flows, and technical specifications.
Mandatory Skills & Elaboration
Backend development experience with strong hands-on programming using C++ for enterprise-grade applications and transaction processing systems
Strong experience developing backend applications running on Linux environments, preferably RHEL
Experience in payment systems including payment gateways, transaction processing, card payments, or switching platforms
Experience integrating with international payment schemes such as Visa, Mastercard, Amex, UPI or similar payment networks
Hands-on experience with Linux shell scripting, preferably Korn Shell scripting
Experience working with PostgreSQL or relational databases in backend applications
Experience with AWS Cloud environments supporting backend/payment applications
Experience with IBM MQ middleware for enterprise messaging/integration
Experience with Base24-eps payment switching platform
Experience with payment security standards including PCI-DSS and secure transaction processing practices
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
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