Payment POS Application Developer

Job Title: Payment POS Application Developer

Location: Mumbai / Trivandrum

Employment Type: Full-time

Experience: 3+ years in software development

Job Summary:

Develop and maintain POS payment applications across all stages, including design, development, testing, and deployment. Lead certification processes for major card schemes (Visa, MasterCard, Rupay, etc.) on POS/embedded terminals. Provide technical support, SDK guidance, and collaborate with customers and marketing teams to deliver tailored payment solutions.

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Key Responsibilities:

• Work on all stages of POS payment application development such as requirement analysis, design, development, test, deployment and maintenance.
• Conduct the acquiring certifications of the payment application on the POS/Embedded terminals to support card payment through Visa, Master, Amex, JCB, UPI, Discover and Rupay Credit/Debit chip cards.
• Work efficiently at debugging and resolving production issues.
• Provide proactive technical support to customers on their application development using SDK and provide on-site training if necessary.
• Cooperate with marketing personnel to collect and understand business needs from customers, present payment solutions and help develop the business.

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Required Skills & Qualifications:

1. Bachelor degree or above, 3+ years or more of experience in POS application software development.

2. Expertise in C/C++ language programming, Linux architecture and basic Linux shell commands.

3. Knowledge of network communication, TCP/SSL/HTTP/HTTPS/sockets etc.

4. Knowledge of using third-party libraries, OpenSSL/cURL/cJSON/SQLite etc.

5. Possessing good knowledge of payment domain, ISO 8583 protocol, EMV contact & contactless specifications, common cryptographic algorithms, key management etc is preferred.

6. Hands-on experience in developing and integrating NCMC-compliant payment solutions for transit systems

7. Good English skills, proficient in listening, speaking, reading and writing. Proficient in using Office related software.

8. Have a high sense of responsibility, excellent execution, good communication and collaboration capabilities with teamwork capabilities.

9. Ability to work under pressure, open to business trips nation-wide and world-wide.