Connex Developer

Synechron; Chennai District; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Synechron in Chennai seeks a Connex Developer with 3-6 years of experience in payments. You will develop, enhance and support ACI Connex applications, work on payment transaction processing and switch interfaces, and engage with stakeholders to translate requirements into technical solutions.

The role involves designing workflows, performing unit/integration testing, and providing production support in a dynamic payments environment. Bachelor’s in CS/IT or related field required.

Qualifications

• 3-6 years of experience in Connex development.
• Hands-on experience with ACI Connex and script development.
• Understanding of ISO 8583, card payments, ATM/POS processing.
• Experience in payment transaction processing and switch interfaces.
• Experience with production support and troubleshooting.

Responsibilities

• Develop, customize and maintain ACI Connex applications.
• Design and implement payment transaction workflows and interfaces.
• Analyze business requirements and translate into technical solutions.
• Support enhancements, bug fixes and production issues.
• Collaborate with business stakeholders, architects and QA teams.
• Participate in code reviews and ensure coding standards.

Skills

ACI Connex Development

Payment processing systems

Connex scripts

ISO 8583

Card payments/ATM POS processing

SQL and database concepts

Analytical and problem solving

Communication and stakeholder mgmt

Education

Bachelor's degree in Computer Science or Information Technology or related field

Job description

Job Description:

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, & 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.