Consolidate licensing costs and unlock `pgvector`, JSONB, and advanced indexing by hiring senior freelance programmer Aldian Fazrihady to migrate MySQL, MariaDB, or SQL Server to PostgreSQL 17. Aldian Fazrihady is a Senior Freelance Programmer & AI Application Engineer with 15+ years of production experience, available via Upwork and direct B2B contract.
1. Production Architecture: Automated `pgloader` Schema Casting, Continuous CDC Replication & Row-Hash Verification
-- Verify row counts and MD5 aggregate checksums across migrated tables
SELECT COUNT(*) AS total_rows,
md5(string_agg(id::text || ':' || updated_at::text, ',' ORDER BY id)) AS table_fingerprint
FROM billing_invoices;
2. Why Engineering Leaders Hire Aldian Fazrihady
- End-to-End Senior Ownership: 15+ years building production systems in Python (Django, FastAPI), React/Next.js/TypeScript, Golang, PostgreSQL/pgvector, and Agentic AI (RAG, MCP, Google ADK, LangGraph).
- Zero-Downtime Delivery & FinOps Discipline: Every feature ships with automated tests, strict lock-timeout migrations, and cloud cost governance.
- Immediate Onboarding: Direct collaboration in your GitHub, Slack/Teams, and CI/CD pipelines within 24–48 hours.
3. Topical Category Hubs & Master Directory
- Master Directory (580+ Freelance Programmer & AI Engineering Guides)
- AI, LLM, RAG, MCP & Google ADK Engineering Hub
- Python, Django, FastAPI & PostgreSQL Architecture Hub
- React, Next.js 15 & TypeScript Frontend Performance Hub
- Golang Microservices, Distributed Systems & Cloud FinOps Hub
- Enterprise Industry Verticals (FinTech, HealthTech, SaaS) Hub