Hello, I'm

Aminul Islam

Oracle APEX Developer | Oracle Database & PL/SQL ExpertOCI Cloud Engineer | AI Workflow Automation

I design and develop scalable enterprise applications using Oracle APEX, Oracle Database, and Oracle Cloud Infrastructure (OCI). My expertise includes SQL, PL/SQL, database architecture, performance tuning, REST API development with ORDS, and enterprise system integration. I build secure, high-performance solutions that streamline business processes through workflow automation, cloud technologies, and modern API-driven architectures. Passionate about delivering reliable, production-ready applications, I continuously explore AI-powered automation and enterprise integration using n8n and Oracle Cloud services.

My expertise includes:

Oracle Database Development (Oracle 19c/21c/23ai, SQL, PL/SQL, Performance Tuning)
Database Architecture & Data Modeling
Oracle APEX Application Development (Interactive Reports, Forms, Dynamic Actions, REST Data Sources)
REST API Development & Integration (Oracle REST Data Services - ORDS, RESTful Services, Webhooks)
Cloud Infrastructure (Oracle Cloud Infrastructure - OCI Compute, VCN, Networking, Object Storage)
Workflow Automation (n8n, API Integration, Event-Driven Automation)

Web Server Administration (Nginx, Reverse Proxy, SSL/TLS, Certbot)
Database Performance Optimization
Security Best Practices (Authentication, Authorization, Input Validation, Encryption)
Enterprise Application Integration
JSON, XML & REST Data Processing
Git & Version Control

Nick Name

Aminul

contact@aminulaicloud.com

Mobile

+880 1911824738

Address

Dhaka, Bangladesh

8+Years of Experience

5+Oracle Certifications

20+Happy Clients / Projects Delivered

Certifications

Verified Oracle Credentials

Add a New Certificate (Admin Simulation)

Skills

What I Bring To The Table

Technical Skills

Oracle SQL & PL/SQL95%

Oracle APEX90%

Relational Database Design85%

ORDS80%

Performance Tuning85%

JavaScript/CSS for APEX75%

OCI Cloud80%

Linux & Nginx85%

Data Security90%

Language Skills

Bengali

English

Hindi

Experience

Professional Journey

Senior Oracle APEX Developer

TechNova Solutions Ltd.

Jan 2024 - Present (2 Years 7 Months)

Architected 15+ production Oracle APEX 23c applications with modular PL/SQL packages and reusable plugins.
Designed ORDS-based REST APIs with OAuth2 for third-party ERP and payment gateway integrations.
Optimized long-running queries using AWR/ASH analysis, reducing report runtimes by up to 78%.
Hardened production stack on Oracle Linux with Nginx reverse proxy, Certbot SSL and rate-limited endpoints.

Oracle Database Engineer

DataForge Systems

Aug 2022 - Dec 2023 (1 Year 5 Months)

Built normalized data models and PL/SQL packages for high-volume transactional workloads.
Automated batch ETL flows with DBMS_SCHEDULER and error-safe autonomous transactions.
Deployed and managed Oracle databases on OCI Compute with VCN, security lists and NSGs.
Implemented row-level security, input validation and encrypted TDE tablespaces.

Education

Academic Foundation

Daffodil International University

B.Sc. in Computer Science & Engineering

Department of CSE · Faculty of Science and Information Technology

Specialized in Database Systems, Advanced SQL, and Software Engineering with a rigorous foundation in relational theory, transaction processing, indexing strategies and query optimization. Coursework included distributed systems, data structures and secure web application design — practical projects centered on Oracle stacks and modern web tooling.

Capstone work focused on building an APEX-based enterprise workflow platform backed by normalized PL/SQL packages, exposed via ORDS REST endpoints. This academic grounding shaped a discipline of writing predictable, testable, performance-aware database code — the same approach carried into every professional Oracle project shipped since.

Portfolio

My Recent Works

ERP Finance Suite

Oracle APEX

APEX 23c finance modules with role-based approval workflows.

Warehouse Sync API

ORDS Integrations

ORDS + OAuth2 microservices linking WMS and ecommerce.

Healthcare Backend

PL/SQL Backend

HIPAA-aware PL/SQL packages with encrypted PII flows.

OCI Migration

OCI Deployment

Lift-and-shift of legacy DB onto Autonomous DB with zero downtime.

Reporting Portal

Oracle APEX

Executive dashboards over materialized views and BI Publisher.

Auth Broker Service

ORDS Integrations

JWT auth broker for multi-tenant APEX apps via ORDS.

Nginx Edge Gateway

Linux / Nginx

Hardened Nginx reverse proxy with rate limits & Certbot SSL.

PL/SQL Tuning Toolkit

PL/SQL Backend

Reusable tuning packages with AWR-driven diagnostics.

My Resume

Professional Resume

Download a concise PDF with my complete Oracle experience, certifications, project history and contact details — ready to share with hiring teams.

What's Included

Professional Summary
Work Experience
Technical Skills

Additional Info

Certifications
Education Details
Project Portfolio

Contact Info

Email & Phone
LinkedIn Profile
Location Details

Get In Touch

Let's Keep In Touch

I am very much looking forward to hearing from you.