>_ Analyst Engineering

Articles

No-fluff playbooks for technical analysts.

QA Analyst

Writing API Contract Tests in Bruno with JavaScript Assertions

Write maintainable API contract tests in Bruno using JavaScript assertions, with examples for status, schema, and field-level checks.

Business Analyst

Writing an API Functional Spec a Developer Will Actually Read

How to write an API functional spec that developers actually use: clear contracts, real examples, and edge cases that matter.

Systems Analyst

How to Document a System Integration for a Banking API

A practical template for documenting a system integration for a banking API: auth, endpoints, data contracts, errors, and failure handling.

Functional Analyst

How to Write a Fit-Gap Analysis for a Payments Platform

A step-by-step approach to writing a fit-gap analysis for a payments platform, from requirements to a prioritized gap list.

Functional Analyst

Functional Analyst vs Business Analyst: The Real Difference on a Delivery Team

The real, day-to-day difference between a functional analyst and a business analyst on a delivery team, beyond the job titles.

Systems Analyst

Mapping an End-to-End Payment Flow Across Microservices

How to map an end-to-end payment flow across microservices, tracing a transaction from entry point to settlement and every hop between.

Business Analyst

How to Write pacs.008 Test Cases for an ISO 20022 Migration

A practitioner's walkthrough of writing pacs.008 test cases for an ISO 20022 migration, from field mapping to acceptance criteria.

QA Analyst

How a QA Analyst Validates Kafka Event Flows

How a QA analyst validates Kafka event flows end to end: topics, schemas, ordering, and verifying consumers actually processed the message.

Developer Analyst

Reading Production Logs in OpenLens for Non-Developers

A non-developer's guide to reading production logs in OpenLens: finding pods, tailing logs, and spotting the error that matters.

Developer Analyst

SQL Window Functions Every Analyst Should Know

The SQL window functions every analyst should know, with practical examples: ROW_NUMBER, RANK, LAG, LEAD, and running totals.