My Writings

QA Engineering Blog

Recruiter-focused technical articles explaining practical testing setups, relational SQL validation patterns, performance load tests, and automation frameworks.

API Testing

June 156 min read

How I Test Financial APIs: A Complete Guide

A deep dive into structural validation, double-debit checking, idempotency validation, and latency mocking for payment APIs.

Read Article

SQL for QA

June 105 min read

SQL Queries Every QA Engineer Should Know

Essential SQL templates, transaction ledger audits, margin verification, and search queries to validate database state accuracy.

Read Article

FinTech Testing

June 057 min read

UPI App Testing Checklist

A robust checklist for testing UPI transactions, device binding, QR code triggers, and reconciliation pipelines.

Read Article

QA Testing

May 285 min read

eKYC Testing Scenarios: Compliance & Hardware

Detailed test scenarios for Aadhaar eKYC integrations, biometric validations, and OTP fallback paths.

Read Article

Automation

May 155 min read

Manual Testing vs Automation: Finding the Balance

Analyzing when to automate core APIs and transactions versus when to rely on manual exploratory QA for complex flows.

Read Article

API Testing

May 086 min read

Postman API Testing Best Practices

How to structure collections, write dynamic assertions, map environment variables, and run tests via CI/CD pipelines.

Read Article

Performance Testing

April 208 min read

JMeter Load Testing Guide: FinTech Scaling

Step-by-step setup for simulating concurrent UPI/API loads, setting timers, and diagnosing server bottlenecks.

Read Article

FinTech Testing

April 107 min read

Database Testing in FinTech Projects

Verifying data mapping, indexing audits, lock isolation, and balance checks in payment backend ledgers.

Read Article