Hi, I'm Mamunur Rashid
I'm a Developer
Designing scalable, high-performance software systems with 6+ years of expertise in architecture, clean engineering & cloud solutions
About
I am a Software Engineer with 6+ years of experience designing and building scalable, high-performance software systems. My expertise goes beyond writing code — I focus on system design, architecture, and clean engineering principles to build applications that are maintainable, scalable, and production-ready.
Software Engineer | System Architect | Full Stack Developer
I am currently working as a Lead Software Engineer at Iconic Solutions (Pvt) Limited, where I guide teams and architect scalable software systems.
Location
Chattogram, BD
Degree
B.Sc in CSE
I apply solid engineering principles including SOLID principles, Clean Architecture, Design Patterns, Domain-driven thinking, and scalable system design practices. I also have hands-on experience integrating complex third-party services such as QuickBooks, payment gateways, and external APIs — handling OAuth flows, token lifecycle management, and reliable data synchronization.
My goal is to design systems that are not only functional but scalable, resilient, and easy to extend as businesses grow.
Years of Experience
Projects Completed
Happy Clients
Technologies Mastered
Skills
I specialize in system design, architecture, and clean engineering principles — building applications that are maintainable, scalable, and production-ready.
SaaS Architecture
Multi-tenant system design, scalable SaaS platforms
Microservices & Distributed Systems
Service-oriented architecture, event-driven design
Backend & REST API
Golang, PHP(Laravel), Node.js
Frontend Development
React.js, Vue.js
Database Design & Optimization
MySQL, PostgreSQL, MongoDB
Caching, Messaging & Search
Redis, RabbitMQ, Elasticsearch
Cloud & DevOps
AWS, Docker, Kubernetes, CI/CD, GitHub Actions
Engineering Principles
SOLID, Clean Architecture, Design Patterns, Domain-Driven Design
Third-Party Integrations
QuickBooks, Payment Gateways, OAuth, External APIs
My Strength
Experience, Education & Certification
Professional Work Experience
Lead Software Engineer
2023 - Present
Iconic Solutions (Pvt.) Limited, North Khulshi, Chattogram.
- Developed and deployed applications to AWS, managed cloud infrastructure.
- Guided and mentored a development team to achieve project milestones, delivering scalable and reliable software solutions.
- Contributed and guided to the development of an SaaS Application.
- Contributed to the design and development of an Appraisal CRM Application.
- Developed REST APIs for an inspection mobile application.
- Built an automated data scraping application to collect and process large datasets efficiently.
- Contributed to the development of an E-commerce application.
Senior Software Developer
2021 - 2023
Xceed Bangladesh Limited, Chattogram Software Technology Park, Chattogram.
- As a Senior Software Developer, I have contributed to and designed, developed, delivered various business-critical applications, including:
- SaaS based POS & Inventory Management Application.
- SaaS based Accounting Application.
- Human Resource Management (HRM) Application.
- A Club and Membership Management Application for Lions Clubs International.
- Shop/Market & Properties Rent Management Application.
- A Product Analytics Tool for data-driven insights.
- API-based E-commerce Automation Software integrating Amazon and Walmart Seller platforms.
Full Stack Web Developer
2019 - 2021
SupportA2Z, East Nasirabad, Chattogram.
- I have contributed to and developed various applications, including:
- Multi vendor ecommerce application.
- Parcel delivery system.
- Service providing application.
- Task management application.
- Point of sales application.
- Custom applications per client requirement.
Education
Bachelor of Science in Computer Science & Engineering
2015 - 2019
Port City International University
Port City International University is a private university located in Chattogram, Bangladesh.
Diploma in Engineering
2010 - 2014
Chittagong Polytechnic Institute
Chittagong Polytechnic Institute is a public engineering institution based in Chattogram, Bangladesh.
Training & Certification
DevOps
Bongo Dev
Red Hat Certified Engineer (RHCE)
New Horizons
Microsoft Certified Solution Associate (MCSA)
New Horizons
Cisco Certified Network Associate (CCNA)
New Horizons
Projects
I architect and build production-ready systems — from SaaS platforms to microservices. Check out my repositories for open-source contributions and projects!
- All
- Web Apps
- SaaS
- E-Commerce
Services
I offer end-to-end solutions from system architecture and SaaS platform design to backend engineering, API integrations, and cloud infrastructure management.
System Architecture & SaaS Design
Design scalable multi-tenant SaaS platforms, microservices architecture, and distributed systems with clean engineering principles.
Backend & API Development
Build robust server-side logic and RESTful APIs with Golang, PHP (Laravel), Node.js following SOLID and Clean Architecture.
Frontend Development
Develop responsive and interactive UIs with React.js, Vue.js, and modern frontend tooling for seamless user experiences.
Database Design & Optimization
Create efficient database structures with MySQL, PostgreSQL, and MongoDB. Expert in data modeling, indexing, and query optimization.
Third-Party Integrations
Integrate complex services like QuickBooks, payment gateways, and external APIs — handling OAuth flows, token management, and data sync.
Cloud & DevOps
Manage AWS infrastructure, CI/CD pipelines, Docker, Kubernetes, and production server monitoring with Prometheus & Grafana.
Contact
Feel free to connect with me. I'm always open to discussing new projects, system architecture challenges, or opportunities to build something great together.