Connex Developer

Location: Chennai (Work from Office)
Experience: 3+ Years

Job Description

We are looking for a Connex Developer with hands-on experience in ATM/POS switching, Cards & Payments, and Connex EFT Switch platforms. The ideal candidate should have strong knowledge of payment transaction processing, ISO 8583 messaging, and banking payment systems.

Key Responsibilities
Design, develop, and support applications on the Connex Switch platform.
Work on ATM, POS, Card Issuing, Acquiring, and Payment Switch integrations.
Develop and customize Connex interfaces, transaction routing, and message handling.
Analyze and troubleshoot transaction failures and production issues.
Work with ISO 8583 message formats and transaction flows.
Support certification activities with card schemes and payment networks.
Collaborate with business, testing, and production support teams.
Participate in development, enhancement, deployment, and maintenance activities.

Required Skills
3+ years of experience in Connex Development/Support.
Strong experience in Cards & Payments domain.




Knowledge of ATM, POS, Debit Cards, Credit Cards, Issuing & Acquiring.
Solid understanding of ISO 8583 messaging standards.
Experience in payment switch implementation and transaction processing.
Hands-on experience in troubleshooting payment and switching applications.
Valuable SQL and database knowledge.
Robust analytical and problem-solving skills.

Preferred Skills
Experience with EFT/Payment Switch platforms.
Exposure to NPCI, VISA, MasterCard, RuPay certifications.
Knowledge of production support and incident management.
Experience in Banking and Financial Services domain.

Education
Bachelor's Degree in Engineering, Computer Science, Information Technology, or related field.

Why Join Us?
Opportunity to work on large-scale Banking & Payments transformation programs.
Exposure to leading payment networks, card schemes, and digital payment platforms.
Collaborative and growth-oriented work workplace.

📌 Connex Developer Chennai (India)
🏢 Synechron
📍 India