Freelance IT professional specializing in IT Infrastructure & ERP System Design — delivering stable, secure, scalable technology. Oracle & SQL Server DBA, WebLogic middleware, web hosting, and modern ERP + AI integration with Oracle 26ai. Serving organizations across Bangladesh and worldwide.
My two deepest specializations — production-grade infrastructure architecture and end-to-end ERP system design, powered by the latest Oracle Database 26ai.
Beyond the flagship practices — six additional service areas designed for businesses that need a reliable, multi-skilled IT partner.
Enterprise Oracle, SQL Server & MySQL — RAC clusters, Data Guard, RMAN backup, performance tuning.
End-to-end infrastructure architecture for production-grade systems — HA, DR, scale & security.
WebLogic domain configuration, managed server operations, deployment troubleshooting, log analysis.
ERP data connectivity, reporting automation, AI assistants grounded in your real business data.
Website hosting, application deployment, backend/frontend coordination, database-backed systems.
Technical SEO, website performance review, analytics readiness, and search visibility improvement.
From software companies and banks to agriculture and pharma — I bring deep IT expertise tailored to each industry's compliance, performance, and reporting needs.
Including Colantec / Colantecity Software — DBA, infrastructure, ERP & AI integration for software product companies.
Mission-critical database administration, HA/DR infrastructure, and audit-ready documentation for the banking sector.
ERP system design, inventory & production tracking, and AI-powered reporting for agriculture & agro-industrial businesses.
Regulated-industry IT support — production DBA, validated systems, and reporting for pharmaceutical operations.
ERP integration, real-time reporting, and middleware support for logistics and distribution organizations.
ERP system design, executive dashboards, and AI-powered analytics for manufacturing, trading and distribution firms.
18+ years of formal training across Oracle, Microsoft, Linux and infrastructure — continuously updated with the latest releases including Oracle 26ai.
Database Administrator
11g / 19cReal Application Clusters
CLUSTER EXPERTDR & Standby Database
DR SPECIALISTWebLogic 12c / 14c
MIDDLEWAREAI-Powered Database
LATESTSQL 2019 / 2022 Admin
MS CERTIFIEDRHEL / Oracle Linux
SERVER EXPERTMulti-Module Integration
ARCHITECTReflects formal training, hands-on production experience, and ongoing professional development since 2007.
Industry feedback reflecting typical engagement outcomes across databases, infrastructure, ERP, and AI projects.
Nasir bhai migrated our Oracle production database with zero downtime. His RAC and Data Guard setup has kept our system running flawlessly for over a year. Highly recommended for any serious DBA project.
We hired Nasir for a WebLogic deployment troubleshoot and ended up signing him for a 6-month retainer. His documentation discipline and clear communication are rare in the industry.
The AI + ERP assistant Nasir built lets our managers ask plain-English questions and get answers from real data. Game-changing. He delivered on time and trained our staff thoroughly.
Excellent infrastructure design work. Nasir planned our HA cluster & DR site end-to-end, identified risks we didn't even know existed, and delivered a rock-solid architecture document.
I run a small business in Dhaka and Nasir bhai made my website + hosting setup so simple to manage. Fair pricing, fast response, and explains everything in plain language.
Nasir tuned our SQL Server cluster and reduced report generation time from 8 minutes to under 30 seconds. The performance audit alone was worth ten times what we paid.
Senior IT Consultant · Dhaka, Bangladesh
I am a freelance IT professional based in Dhaka, Bangladesh — specializing in IT Infrastructure architecture and ERP System Design powered by Oracle Database 26ai. My core technology stack covers Oracle & SQL Server DBA, WebLogic middleware, web hosting, and modern ERP + AI integration.
I deliver stable, secure, scalable, and business-aligned technology — from production-grade RAC + Data Guard clusters to AI-powered ERP assistants. Trusted by software firms, banks, farms and pharma operations across Bangladesh and worldwide.
Six professional strengths that make every engagement smooth, transparent, and built to last.
Stable systems, safe changes, backup-first implementation, and production-aware support.
Translating real user pain points into clear technical action — not just code, but solutions.
Database, middleware, hosting, web, ERP and AI — all handled under one practical support model.
Clean notes, configuration records, checklists, and handover-ready documentation every time.
Diagnosis using logs, SQL validation, infrastructure checks, and root-cause focused troubleshooting.
Solutions planned with future growth, maintainability, access control, and support continuity in mind.
I manage and operate several websites across IT services, e-commerce, and personal ventures. Visit any of them to learn more.