Senior Test Engineer - API Automation and DevOps with AWS Cloud Expertise

Payments & ATM QA Lead | Certification Support, Messaging Protocols & Regulatory Compliance

Job Summary
Synechron is seeking a highly experienced QA Engineer specializing in Cards & Payments systems to lead quality assurance activities for ATM and POS environments. The role involves designing and executing comprehensive test strategies, supporting transaction lifecycle testing, and ensuring compliance with scheme rules such as Visa and Mastercard. The ideal candidate will possess deep domain expertise, automation skills, and the ability to lead QA efforts in a regulated, high-availability environment, contributing significantly to system stability, security, and customer satisfaction.

Software Requirements

Required Software Proficiency:

• JIRA, ALM, or similar test management tools — for tracking requirements and defect management

• Postman, SOAPUI, Specmatic — for API testing and validation of messaging protocols

• Playwright, LeanFT, WinAppDriver, or similar — automation frameworks supporting testing across ATM/POS messaging and interfaces

• Java, .NET, or C++ — scripting and automation support (preferred)

• Oracle, SQL — database querying for data validation and reconciliation

• Version control systems: Git, Bitbucket — for source code and test artifact management

Preferred Software Skills:

• CI/CD tools: Jenkins, Azure DevOps — automation and deployment pipelines support

• Certification tools: Scheme simulators such as MDFS, VTS, UnionPay, UL Brand Test Tool — for certification testing support

• Test data management and schema validation tools supporting ISO 8583, ISO 20022, and AS2805 standards

Overall Responsibilities

• Lead comprehensive testing and certification of ATM, POS, and card payment systems, ensuring adherence to scheme rules (Visa, Mastercard) and compliance standards

• Develop, execute, and maintain manual and automated test cases for functional, integration, and certification testing phases

• Support system upgrades, migrations, and certification processes supporting regulatory and operational requirements

• Conduct root-cause analysis, troubleshoot issues, and coordinate defect resolution efforts

• Collaborate with product, development, and infrastructure teams to optimize test coverage and system stability

• Support performance testing, security assessments, and compliance verifications supporting industry standards

• Maintain detailed documentation for test plans, test cases, defect logs, and certification reports

• Drive continuous quality improvement initiatives, including automation, process standardization, and best practice adoption

Technical Skills (By Category)

• Languages & Testing Frameworks (Essential):

  • Java, .NET, or C++ — for scripting, automation, and support of messaging/system testing

  • API testing tools: Postman, SOAPUI, Specmatic — for validation of messaging interfaces and external integrations

  • Automation: Playwright, LeanFT, WinAppDriver — for scripting UI, messaging, and end-to-end automation

• Databases & Data Management:

  • Oracle, SQL, or similar — query writing for data validation related to transaction processing

• Messaging & Protocols:

  • ISO 8583, ISO 20022, AS2805 — schema validation, message content verification, and protocol compliance

• Test Environment & Tools:

  • Understanding of ATM/POS messaging systems like Base24, FINSIM, EFTSIM, and certification tools such as VTS, UL Brand Test Tool

• Environment & Middleware:

  • Knowledge of ATM ecosystems, payment switches, scheme rule validation, and related messaging standards

Experience Requirements

• 7+ years of QA experience within Cards & Payments domains, supporting ATM/POS certification and compliance activities

• Proven expertise in designing and executing functional, regression, and certification test plans for financial transaction systems

• Extensive experience in testing messaging protocols (ISO 8583, ISO 20022, AS2805), scheme certification, and ATM/POS devices

• Ability to lead QA activities, coordinate with offshore teams, and ensure high-quality delivery in regulated environments

• Background supporting scheme certifications (Visa, Mastercard) and systems like Diebold Nixdorf, FIS, or similar is preferred

Day-to-Day Activities

• Develop, execute, and maintain manual and automated test scripts for ATM/POS and payment messaging systems

• Validate transaction flows, messaging protocols, and scheme compliance through functional and certification testing

• Lead certification testing activities, including documentation and scheme approval processes

• Troubleshoot system and messaging failures, support incident management, and perform root-cause analysis

• Collaborate with product, development, and infrastructure teams to improve test coverage and system reliability

• Conduct security assessments and compliance verification aligned with industry standards based on testing outputs

• Maintain detailed documentation on test cases, test results, certification logs, and operational procedures

• Support pre-certification, post-certification, and system readiness activities for payment platforms

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a relevant field

• 7+ years of QA experience supporting cards, ATM, POS, or payment systems in enterprise environments

• Proven success in leading complex testing activities within regulated banking or financial services environments

• Certifications such as ISTQB or schema certification programs are advantageous

• Experience supporting or managing scheme certification processes (Visa, Mastercard) is a plus

Professional Competencies

• Strong analytical and troubleshooting skills for complex transaction messaging and system issues

• Leadership and collaboration skills to coordinate cross-disciplinary teams effectively

• Excellent communication skills for stakeholder engagement and certification documentation

• Ability to adapt to evolving compliance standards, messaging protocols, and technology updates

• Attention to detail and accuracy in testing, documentation, and certification processes

• Time management skills to handle multiple certification cycles and testing activities efficiently

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