Job Description – C/C++ Developer
Experience: 3–5 Years
Joining: Immediate joiners preferred
Location: Bangalore
Job Summary
We are looking for a C/C++ Developer with experience in payment applications and POS terminals. The candidate should have good knowledge of EMV, socket programming, data structures, and payment transaction processing.
Key Responsibilities
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Develop and maintain POS payment applications using C/C++.
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Implement payment transactions such as Sale, Refund, Void, Reversal, and Settlement.
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Integrate EMV Contact and Contactless payment flows.
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Develop TCP/IP socket communication with payment hosts and servers.
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Analyse logs and troubleshoot transaction and application issues.
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Integrate POS device SDKs and peripherals.
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Support host and payment certification activities.
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Write clean, secure, and maintainable code.
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Coordinate with testing, backend, and product teams.
Required Skills
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3–5 years of C/C++ development experience.
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Experience in POS or payment application development.
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Knowledge of EMV Contact and Contactless transactions.
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Good understanding of data structures, pointers, memory management, and multithreading.
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Experience in TCP/IP socket programming.
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Basic knowledge of ISO 8583.
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Experience with Linux or embedded systems.
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Good debugging and problem-solving skills.
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Knowledge of Git or other version-control tools.
Preferred Skills
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Experience with RTOS or Linux-based POS devices.
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Knowledge of POS peripherals such as card readers, NFC, printers, and PIN pads.
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Knowledge of payment schemes such as Visa, Mastercard, RuPay, or AMEX.
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Understanding of payment security and key-management concepts.
