ACI Connex Developer – Payment Switching, ISO 8583, ATM/POS & SQL

Job Title: Connex Developer
Location: Chennai
Experience: 3 to 6 Years

Job Summary

We are seeking a skilled Connex Developer with 3-6 years of experience in the payments domain. The ideal candidate should have hands-on experience in developing, enhancing, and supporting ACI Connex applications, with a strong understanding of payment transaction processing, switch interfaces, and banking/payment ecosystems.

Key Responsibilities

• Develop, customize, and maintain applications using ACI Connex.
• Design and implement payment transaction workflows and interfaces.
• Analyze business requirements and translate them into technical solutions.
• Support enhancements, bug fixes, and production issues.
• Work closely with business stakeholders, architects, and testing teams.
• Participate in code reviews and ensure adherence to development standards.
• Perform unit testing, integration testing, and deployment support.
• Troubleshoot and resolve application and performance-related issues.

Required Skills

• 3-6 years of experience in ACI Connex Development.
• Strong knowledge of payment processing systems and transaction switching.
• Hands-on experience with Connex scripts, interfaces, and message formats.
• Understanding of ISO 8583, card payments, ATM/POS transaction processing, and acquiring/issuing systems.
• Experience in development, support, and production troubleshooting.
• Good knowledge of SQL and database concepts.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management skills.

Preferred Skills

• Exposure to banking and financial services projects.
• Experience working in Agile development environments.
• Familiarity with payment networks such as Visa, Mastercard, NPCI, or similar ecosystems.

Education

• Bachelor's degree in Computer Science, Information Technology, or a related field.

Location Preference: Chennai (Work from Office)

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT
 

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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