Job Description : C/C++ Developer

Experience : 35 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 :

- Develop and maintain POS payment applications using C/C++.

- Implement payment transactions such as Sale, Refund, Void, Reversal, and Settlement.

- Integrate EMV Contact and Contactless payment flows.

- Develop TCP/IP socket communication with payment hosts and servers.

- Analyse logs and troubleshoot transaction and application issues.

- Integrate POS device SDKs and peripherals.

- Support host and payment certification activities.

- Write clean, secure, and maintainable code.

- Coordinate with testing, backend, and product teams.

Required Skills :

- 3 to 5 years of C/C++ development experience.

- Experience in POS or payment application development.

- Knowledge of EMV Contact and Contactless transactions.

- Good understanding of data structures, pointers, memory management, and multithreading.

- Experience in TCP/IP socket programming.

- Basic knowledge of ISO 8583.

- Experience with Linux or embedded systems.

- Good debugging and problem-solving skills.

- Knowledge of Git or other version-control tools.

Preferred Skills :

- Experience with RTOS or Linux-based POS devices.

- Knowledge of POS peripherals such as card readers, NFC, printers, and PIN pads.

- Knowledge of payment schemes such as Visa, Mastercard, RuPay, or AMEX.

- Understanding of payment security and key-management concepts.