System Integration Specialist

We are seeking an experienced System Integration Specialist to support a payment system modernization project.

The role involves integrating payment processing solutions with a focus on efficiency, reliability, and security.

The ideal candidate will have strong technical expertise in scripting, cloud technologies, and API integration, along with excellent communication and collaboration skills.

Key Responsibilities

• Lead integration of payment routing engines with various payment gateways, processors, and financial institutions.
• Conduct technical analysis of existing systems to identify integration points and challenges.
• Design and implement APIs for seamless communication between applications and payment acquirers.
• Configure and customize payment routing parameters based on business requirements.
• Collaborate with QA teams to develop and execute test plans for payment transaction reliability.
• Troubleshoot and resolve integration issues to minimize downtime.
• Optimize performance of payment routing processes and address system bottlenecks.
• Create and maintain documentation for integration processes, configurations, and troubleshooting.
• Interpret application/component designs and develop accordingly.
• Validate results with stakeholders and integrate the overall solution.
• Review and create unit test cases and support testing teams with clarifications.
• Contribute to design documentation, requirements, and test results.
• Manage delivery of modules and user stories, perform defect RCA, and contribute to knowledge sharing.
• Interface with customers to clarify requirements and present design options.
• Mentor team members, set goals, and ensure engagement in project activities.

• Minimum 6 years of software engineering experience.
• At least 4 years of hands-on experience in production environments.
• Proficiency in JQ and YQ for data manipulation.
• Strong programming skills in Python and Go.
• Solid understanding of Object-Oriented Programming (OOP).
• Experience with RESTful Web Services and API integration.
• Familiarity with MySQL and AWS Aurora databases.
• Working knowledge of AWS services.
• Experience with tools like Postman, Git, and standard industry utilities.
• Strong understanding of JSON, XML, and data interchange formats.
• Ability to coordinate with offshore teams.
• Excellent communication and interpersonal skills.
• Onsite availability 3–4 days per week at client location.

• Experience with CI/CD pipelines and Go Templates.
• Familiarity with domain-specific certifications and customer environments.
• Understanding of MLOps and rapid application development methodologies.

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