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# Senior Software Engineer

- **Company:** Intersources Inc.
- **Location:** Jersey City, NJ, United States
- **Experience:** Expert
- **Salary:** $25,000.0
- **Contract:** Temporary to permanent
- **Skills:** Java (Programming Language), Computer Programming, Python (Programming Language), Performance Tuning, Ansible, Transaction Processing (Computing), Reliability of Systems, Information Technology
- **Published:** October 14, 2026
- **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/31448429#/jobs/31448429

## About the Role

* Subject Matter Expertise in TACL, HPE NonStop (Tandem systems), and Prognosis.
 * Solid programming skills with the ability to write clean, efficient, and well-documented code.
 * Prior experience working in high-volume, high-availability financial transaction systems is highly desirable.

Preferred Qualifications:

 * Strong hands-on experience with Python as a secondary programming skill.
 * Working knowledge of Java and Ansible for scripting and automation tasks.
 * Bachelor's degree in computer science, Information Technology, or a related field.
 * Strong analytical and problem-solving skills.
 * Ability to work independently as well as in a collaborative team environment.

## Description

We are seeking a highly skilled and experienced professional to join our team for a mission-critical project focused on credit card transaction processing. This project handles high-value transactions made through e-commerce platforms and retail outlets, requiring real-time, secure, and highly available processing systems., * Develop and support applications involved in real-time credit card transactions, including swipes at POS and online purchases.

 * Work on a high-performance platform that manages large-scale transaction volumes.
 * Contribute to coding, troubleshooting, and performance optimization in a 24/7 transactional environment.
 * Collaborate with cross-functional teams to ensure seamless integration and system reliability.