A results-driven software engineer with over 12 years of experience in designing, building, and leading scalable web and mobile applications. I specialize in full-stack development, system architecture, and mentoring teams to deliver high-quality software that aligns with business goals. My work spans AI-based solutions, cross-platform apps, and robust backend systems deployed in production environments across Australia, the UK, and Bangladesh.
📍 Remote | Jul 2024 – Present
- Built a Retrieval-Augmented Generation (RAG) system using Python, SentenceTransformer, and Pinecone for advanced semantic search.
- Engineered a scalable FAQ knowledge base with document chunking, local embedding generation, and conversational AI support.
- Delivered full-stack applications using Laravel, React, Tailwind CSS, and Docker, hosted on custom VPS.
- Implemented CI/CD pipelines with GitHub Actions to streamline delivery.
- Acted as a solution architect in aligning technical strategies with evolving business needs.
📍 Remote | Jul 2022 – Jun 2024
- Led the design and development of cross-platform mobile apps using Ionic and React Native, improving user retention and mobile reach.
- Collaborated with cross-functional teams including QA, UI/UX, and DevOps for architecture decisions and release cycles.
- Provided technical leadership, code reviews, and mentorship to junior developers.
- Oversaw technical feasibility and system design to ensure maintainable, scalable solutions.
📍 Dhaka | Apr 2019 – Jun 2022
- Architected end-to-end e-commerce and logistics systems with integrated payments and real-time tracking.
- Managed Google Cloud Platform infrastructure and automated deployment pipelines.
- Conducted technical requirement analysis and converted them into scalable system architectures.
- Built normalized databases to support core business modules.
📍 Dhaka | Oct 2016 – Mar 2019
- Developed SaaS solutions including accounting systems, e-commerce and job portals using Laravel, Angular, and Vue.
- Designed modular architecture for features like resume builders and employee management.
- Handled data modeling and third-party service integration.
📍 Dhaka | Oct 2013 – Sep 2016
- Created Education Management Systems for admission, fees, and result processing.
- Built and maintained news portals and point-of-sale systems with inventory modules.
- Used CodeIgniter, jQuery, and Bootstrap for feature-rich front- and back-end solutions.
Architecture & Design
System Design · Microservices · API Design
Cloud Platforms
AWS · GCP · DigitalOcean
DevOps & CI/CD
GitHub Actions · Azure DevOps · Docker · Linux Server Admin
Frontend
React · Vue · Angular · Tailwind CSS · Bootstrap
Backend
Laravel · CodeIgniter · PHP · Node.js · Python
Databases
MySQL · PostgreSQL · Firestore
Tools
Git · Postman · Figma · VS Code · Jira · Trello · Linear
MBA in MIS (2 yrs)
- Prime University
- Merit: Batch Topper
BSc in CSE (4 yrs)
- Daffodil International University
- Merit: Top Ten
Diploma in CST (4 yrs)
- Feni Gov. Computer Institute
- Merit: Technical Education Board Topper
Certified Project Manager
- Project Manager Accredited Certification™ (IO4PM™)
Open to discussing new projects, team collaboration, or system design, devOps consulting.
Email: [engr.reazul@gmail.com]
LinkedIn: https://linkedin.com/in/reazul-islam-bd
GitHub: https://github.com/reazul-islam



