Nithin G S

QA Engineer

Kerala, India 3+ yrs exp 88 · Excellent

About

QA Engineer with 3+ years of experience in software testing, API testing, and automation, with domain experience in FinTech (cross-border remittance and payment platforms). Experienced in Postman, Newman CLI, Selenium WebDriver, Playwright, Java, and TypeScript. Strong experience in API automation, data-driven testing, multi-environment execution, JSON/XML validation, and financial/remittance systems. Currently responsible for API automation testing using Postman and Newman CLI for multi-provider remittance platforms, and Casmex application testing using Playwright with TypeScript, with a focus on reusable automation, regression coverage, and end-to-end workflow validation.

Skills & Expertise (29)

Postman Advanced

8.3/10

Years Exp

Rest API Advanced

8.0/10

Years Exp

Selenium WebDriver Intermediate

7.8/10

Years Exp

Jira Intermediate

7.5/10

Years Exp

Python Intermediate

7.5/10

Years Exp

Agile Intermediate

7.0/10

Years Exp

GitHub Intermediate

7.0/10

Years Exp

Java Intermediate

7.0/10

Years Exp

TestNG Intermediate

7.0/10

Years Exp

CSV Intermediate

6.5/10

Years Exp

Maven Data-Driven Testing Jenkins End-to-End Testing Regression Testing Integration Testing Functional Testing Scrum XML Validation JSON API Chaining FinTech POM Typescript Playwright OpenpyXL SOAP UI Newman CLI Payment Processing

Work Experience

QC Engineer

Distinct Infotech Solutions

May 2025 - Present

Designed and implemented automated API test suites using Postman collections and Newman CLI for a FinTech remittance platform. Built and maintained 25+ client-specific Postman environment files for multiple exchange clients across the GCC region. Developed 63 corridor test cases covering payment modes across 30+ countries including India, Philippines, Bangladesh, UAE, UK, USA, and more. Automated multi-client test execution using Windows batch scripts (.bat), running all client environments sequentially in a single command with separate HTML reports per client. Implemented data-driven testing using structured JSON test data files with full corridor parameters. Generated detailed test reports in HTML (htmlextra), CSV, and custom Excel formats with automated defect classification and color-coded Pass/Fail results. Created a custom Python script (openpyxl) to auto-generate combined Excel reports with Summary sheet and detailed Combined Test Report sheet per test run. Managed end-to-end API flow automation covering agent management, exchange rate validation, beneficiary validation, and full transaction processing. Identified, classified, and documented critical defects. Migrated API test execution from Postman premium runner to free Newman CLI, eliminating licensing costs with zero loss in functionality.

Software Test Engineer

WEBSFDC Technology

Jun 2023 - Apr 2025

Designed and executed manual and automated test cases using Selenium WebDriver, Java, TestNG, and Maven. Developed and maintained scalable automation frameworks using Page Object Model (POM). Performed regression testing, analysed results, and ensured defect-free application delivery. Collaborated with client teams in Agile Scrum to deliver high-quality solutions.

Test Engineer

Obsqura Zone

Jan 2023 - Jun 2023

Performed manual and automation testing for web applications using Selenium WebDriver, Java, and TestNG. Developed and maintained automation frameworks using Selenium, Maven, and Page Object Model (POM). Automated regression test cases, analysed results, and ensured accurate defect reporting. Collaborated in Agile Scrum teams to deliver quality solutions on time.