Senior Connex Developer

Connex Developer

Job Summary
The Connex Developer at Synechron is responsible for designing, building, and supporting Connex-based payment solutions that underpin critical transaction processing systems. The role ensures that technology solutions are robust, compliant, and scalable, contributing to the organization’s security, availability, and business objectives in the rapidly evolving financial technology sector.

Software Requirements

• Required

  • Proficiency in TAL/pTAL and TACL programming languages (minimum 7-10 years hands-on development experience).

  • Strong experience in COBOL for high-volume, transaction-based applications.

  • Extensive familiarity with Guardian OS and Pathways for HPE Nonstop systems.

  • Advanced knowledge and practical experience with SQL/MX and Enscribe databases, including query optimization and data modeling.

  • In-depth understanding of Connex system architecture (AP, TH, PI, SDX) and component interactions.

  • Applied experience with AS2805 and ISO messaging standards in payment environments.

  • Thorough understanding of VISA, MasterCard, and EFTPOS scheme regulations and procedures.

  • Demonstrated use of MasterCard, VISA, and FINSIM simulators for testing and validation.

• Preferred

  • Exposure to newer payment protocols or evolving Connex platform features.

  • Familiarity with other payment industry standards and emerging regulatory requirements.

Overall Responsibilities

• Develop, maintain, and enhance Connex solutions to meet business and regulatory requirements.

• Collaborate across technical and business teams to design and implement robust payment processing applications.

• Participate in the full software development lifecycle: coding, testing, deployment, and maintenance.

• Provide technical expertise and troubleshooting support for Connex-related issues.

• Contribute to the evolution of Connex features and underlying architecture to enable scalability and future enhancements.

• Maintain strict compliance with relevant standards, best practices, and internal Synechron policies.

Technical Skills (By Category)

• Programming Languages

  • Essential: TAL/pTAL, TACL, COBOL

  • Preferred: Additional scripting languages suited to the HPE Nonstop environment

• Databases/Data Management

  • Essential: SQL/MX, Enscribe; query optimization, data modeling skills

• Connex Architecture

  • Essential: Deep knowledge of AP, TH, PI, SDX modules and their operational relationships

• Standards Compliance

  • Essential: AS2805, ISO standards; VISA, MasterCard, and EFTPOS regulations

• Simulation Tools

  • Essential: Experience with MasterCard, VISA, and FINSIM simulators

• Cloud Technologies

  • Not applicable for this role

• Frameworks and Libraries

  • Not required; focus is on legacy and Connex-specific systems

• Development Tools and Methodologies

  • Essential: Pathways environment, HPE Nonstop coding standards

• Security Protocols

  • Essential: Knowledge of payment system security standards; Preferred: Familiarity with evolving cybersecurity requirements

Experience Requirements

• Minimum 7-10 years in software development with a focus on Connex solutions and HPE Nonstop systems

• Substantial experience in financial services or payment processing environments

• Alternative: Candidates with high-volume, mission-critical systems experience in regulated industries may also be considered

• Proven success in delivering and supporting payment or transaction-based projects

Day-to-Day Activities

• Gather requirements and design solutions through collaborative sessions with business and technical stakeholders

• Develop, test, and deploy code for new features and system enhancements

• Conduct code reviews and provide feedback to ensure high-quality, maintainable code

• Troubleshoot and resolve technical issues within Connex applications to maintain system performance

• Document technical specifications, design decisions, and operational processes

• Participate in team meetings, project reviews, and knowledge sharing

Qualifications

• Required: Bachelor’s degree in Computer Science, Information Technology, or a related field

• Preferred: Relevant certifications (e.g., HPE Nonstop, Payment Systems) or equivalent training

• Ongoing participation in professional development activities

Professional Competencies

• Critical thinking and advanced problem-solving

• Leadership and collaborative teamwork within diverse technical groups

• Clear communication and stakeholder management skills

• Adaptability to new technologies and changing business requirements

• Innovative approach to improving systems and processes

• Effective time and priority management across multiple tasks

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.

Candidate Application Notice

Experience Level

Senior Level