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
Skills Required
- Strong hands-on programming in C++ for enterprise-grade transaction processing systems
- Backend development on Linux environments
- Experience with RHEL
- Experience in payment systems (payment gateways, transaction processing, switching platforms)
- Integration experience with Visa, Mastercard, American Express, UPI or similar schemes
- Linux shell scripting
- Korn Shell scripting
- Experience with PostgreSQL or relational databases
- Experience with AWS cloud environments for backend/payment applications
- Experience with IBM MQ middleware
- Experience with Base24-eps payment switching platform
- Knowledge of payment security standards including PCI-DSS and secure transaction processing practices
- Experience with system optimization and performance tuning for high-scale transaction processing
Encora Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Encora and has not been reviewed or approved by Encora.
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Healthcare Strength — Health coverage is described as employer-provided in multiple locations, with private plans and family coverage highlighted in Spain and Mexico. Medical insurance quality is presented as a recurring bright spot alongside standard coverage.
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Leave & Time Off Breadth — Time off includes paid holidays and PTO, with regional materials indicating additional leave provisions in certain countries. Leave is generally portrayed as conventional to generous depending on location.
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Flexible Benefits — Work-from-home flexibility is frequently highlighted as a plus, though it varies by role and client needs. Remote and hybrid options are positioned as part of the overall package.
Encora Insights
What We Do
Headquartered in Santa Clara, California, and backed by renowned private equity firms Advent International and Warburg Pincus, Encora is the preferred technology modernization and innovation partner to some of the world’s leading enterprise companies. It provides award-winning digital engineering services including Product Engineering & Development, Cloud Services, Quality Engineering, DevSecOps, Data & Analytics, Digital Experience, Cybersecurity, and AI & LLM Engineering. Encora's deep cluster vertical capabilities extend across diverse industries, including HiTech, Healthcare & Life Sciences, Retail & CPG, Energy & Utilities, Banking Financial Services & Insurance, Travel, Hospitality & Logistics, Telecom & Media, Automotive, and other specialized industries. With over 9,000 associates in 47+ offices and delivery centers across the U.S., Canada, Latin America, Europe, India, and Southeast Asia, Encora delivers nearshore agility to clients anywhere in the world, coupled with expertise at scale in India. Encora’s Cloud-first, Data-first, AI-first approach enables clients to create differentiated enterprise value through technology
