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Accelerating Code Review Velocity Without Compromising Quality
Senior software engineers spend up to 40% of their day conducting mechanical code reviews: checking naming conventions, hunting for SQL injection vectors, and verifying test coverage. An automated GitHub PR Review Engine using n8n and Claude 3.5 Sonnet automatically inspects incoming pull request diffs within 30 seconds of creation, leaving human engineers to focus on architectural nuance.
Written by Saizul Amin for DevOps teams and engineering managers.
The 4-Step Review Workflow
- Webhook Catch: GitHub fires
pull_request.openedorpull_request.synchronizepayload to n8n. - Diff Retrieval: n8n queries GitHub API to pull the raw git diff between base and head branches.
- Claude Reasoning: Sends git diff with strict instructions to flag security flaws, performance bugs, and missing edge cases.
- PR Comment Injection: Posts structured review markdown directly to the GitHub PR thread.
Md Saizul Amin
Digital Systems Strategist · AI Agent Developer · 9+ years in digital & ITMd Saizul Amin is a digital systems strategist and AI automation engineer from Dhaka, Bangladesh. With 9+ years across IT, web development and digital marketing, he writes practical guides on technology, business, education and online growth — and builds the same kinds of systems (AI agents, websites, SEO and ad campaigns) for clients in Bangladesh, the UK and the USA.
Specialist in
Credentials & experience
- 🎓B.Sc. in Computer Science & EngineeringBangladesh University of Business & Technology (BUBT), 2017–2021
- 🤖AI Automation Engineer · Web Developer · SEO SpecialistUnique Mark Limited, Birmingham UK — 2024 to present
- 🌱IT SpecialistGreen Fund Initiative Inc., USA — 2024 to present
- 🏥Junior IT Consultant — Ministry of Health (DGHS)Built the first national Shareable Health Record website; supported 6,000+ facilities
- 🧭Head of ITWEDO Bangladesh — led IT for 50+ staff, 2021–2023