Sr. Test Engineer - Specialist

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.   Come join the excellence!

Overview

The role focuses on testing/performance maintenance of applications written in C/C++, Java, Bash, Python, Perl in a Linux and Windows operating systems in both on-prem and cloud environments supporting TNS business. The candidate participates in SDLC/STLC/Troubleshooting with an emphasis on automation, benchmarks, security, performance testing, DevOps, and validation for systems such as NAC, TNIP, TNSPay Protect, Payments Message Conversion, and SIG.

Responsibilities

A Day In the Life Perform software testing for applications written in C/C++, Java, Bash/Perl/Python Implement or maintain test automation and performance testing Troubleshoot and provide production support Work in a Scrum-like environment Learn insights of existing payment applications Participate in release/build management and CI/CD Maintain lifecycle of in‑house test tools

Required Skills & Experience Bachelor’s degree in computer engineering, computer science, electrical engineering or equivalent 5+ years software testing experience ; 3+ years test automation on Linux Strong scripting (Bash/Perl/Python), REST/JSON familiarity Must have strong API and backend testing experience, network level testing and relevant test tool setup and usage experience Ability to identify edge cases and analyze results Familiar with SDLC/STLC, Agile, Git, DevOps pipelines Understanding of HEX-level data manipulation Strong problem-solving skills, soft skills, independence, quick learner , team player Commitment, accountability, and ability to meet deadlines is a must Passion for testing, breaking, duplicating and troubleshooting

Qualifications

Preferred Deep knowledge of the software development lifecycle, including scoping, planning, conception, design, implementation, deployment and maintenance. Experience with ISO8583 payment protocols Security testing (SAST, DAST, SCA, vulnerability detection) Benchmark, volume, performance, smoke, white-box, integration testing UI and backend integration testing and automation experience DB integration testing and automation experience

Other Considerations Payment Industry knowledge and PCI standards Familiarity with payment lifecycle concepts (Authorization, Settlement)

If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!

TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.