Backend & API development
Extensive knowledge of backend and RESTful API development, with experience across Laravel, Fiber, Flask, integrations, and secure data flows.
Software engineering portfolio
Hasanuzzaman Priyam
I architect scalable backend systems and secure RESTful APIs, with a strong focus on Laravel, database optimization, and building maintainable enterprise solutions.
99.9%
uptime on a transaction platform
35%
faster API response time
500+
daily medical records handled
What I bring
Capabilities
A practical mix of product thinking and engineering discipline, shaped by work on commerce, health, operations, and internal tools.
Web application delivery
3 years of learning and hands-on experience building web applications from interface through server-side implementation.
Frontend foundations
Comprehensive frontend knowledge across JavaScript, jQuery, Ajax, React, responsive interfaces, and user-centered interaction patterns.
Problem solving
A problem-solver and creative thinker who enjoys debugging complex behavior, refining legacy systems, and making technical trade-offs visible.
Languages
Build with
- JavaScript
- PHP
- Golang
- Python
Frameworks & platforms
Ship with
- jQuery
- Ajax
- React
- Node.js
- Express.js
- Laravel
- Fiber
- Flask
Data
Model with
- MySQL
- PostgreSQL
- MongoDB
Selected record
Work history
A progression across product teams, platforms, and technical ownership.
Laravel Developer (Onsite)
- Contributing to the development and maintenance of large-scale business applications including e-commerce, POS, CRM, and CMS platforms.
- Designing and implementing new features to enhance system functionality and user experience.
- Identifying, debugging, and resolving complex issues in existing applications.
- Refactoring legacy code to improve performance, scalability, and maintainability.
- Actively participating in code optimization and feature refinement.
- Collaborating with cross-functional teams to deliver stable and efficient solutions.
- Writing clean, reusable, and secure backend code following Laravel best practices.
- Supporting ongoing system improvements and production issue resolution.
Web Developer (Onsite)
- Developed and maintained the MediShop and MediSeba platforms.
- Integrated SSLCommerz payment processing for 1K+ monthly transactions and 25K+ revenue with 99.9% uptime.
- Optimized database queries and implemented Redis caching, reducing API response time by 35% from 1.2s to 0.8s.
- Implemented SMS, email, Google Maps, and payment system integrations.
- Led bug tracking and code maintenance.
Software Engineer (Remote)
- Developed and managed the Kambaii Health Admin Panel using Laravel Blade templates.
- Managed Blade files for application layout and presentation.
- Designed CRUD APIs handling 500+ daily medical records with 95% data validation accuracy.
- Implemented RBAC for 3 user tiers, reducing unauthorized access incidents by 80%.
- Performed QA testing on mobile interfaces.
Software Engineer
- Migrated a legacy schema to Laravel 10, improving query performance by 25%.
- Fixed 50+ bugs in sprint cycles, reducing production issues by 40%.
- Managed migrations and route configuration.
Computer Operator
Dreams Enterprise
- Managed goods inventory data and accounting entries.
Data Research and Analyst
Robautoparts
- Collected and organized product data for digital records.
Trainer
CICIT
- Trained students in graphic design tools and platforms.
Client & freelance work
Client projects
Live client engagements — full-stack delivery from architecture to production.
RMS Global Education (RMS Portal)
Laravel, React, Inertia.js, Tailwind CSS
Engineered a comprehensive multi-role educational portal with distinct, secure dashboards and authentication flows for Admins, Students, and Partners.
- Developed an AI Course Matcher system to effectively pair students with relevant university programs.
- Built a dynamic CMS for managing university data, blogs, FAQs, and scholarship application pipelines.
DevHome
Laravel, HTML, CSS, Javascript
Led the initial system design and project planning, establishing the architecture and technical roadmap prior to implementation.
- Co-developed the core application logic and features in a collaborative two-person team environment.
- Successfully deployed and configured the live production environment using Render.
Prospct
React, Node.js, Express, MongoDB, Elasticsearch, Redis, Tailwind
Manually coded the foundational full-stack architecture utilizing React for the client interface and a Node.js/Express server, deployed via Lovable.
- Engineered an advanced search, filtering, and data enrichment system utilizing Elasticsearch and Redis for rapid query performance.
- Implemented a versatile billing and subscription module integrated with Stripe, FastSpring, PayPro Global, and CoinPayments.
- Developed multi-tier dashboards for users and admins with automated email verification queues.
- Configured automated CI/CD pipelines via GitHub Actions.
eShoper — E-commerce Marketplace
Online Shopping · Multi-category Marketplace
eShoper is a live e-commerce marketplace offering a wide range of products across electronics, gadgets, fashion, home and lifestyle, beauty, groceries, and digital products.
- Multi-category product browsing and discovery.
- Product offers, featured products, and top-rated items.
- Seller storefronts and customer reviews.
- English and Bangla language options.
Firoz Enterprise POS
Laravel, Livewire, Jetstream, Docker, MySQL
Architected a comprehensive Point of Sale and Enterprise Resource Planning (ERP) system tailored for the poultry, fish, and livestock feed industry.
- Built a highly reactive POS checkout and inventory management interface utilizing Laravel Livewire.
- Developed complex financial ledgers for customer dues, supplier balances, employee salaries, and daily cash/bank transactions.
- Implemented dynamic reporting modules for real-time profit/loss insights and automated bonus calculations.
- Containerized the application using Docker and Nginx for standardized production deployment.
Outside the day job
Projects
Experiments, tools, and product prototypes that show how I approach a problem from data model to interface.