SayShan Technologies is a next-gen software company where innovation meets dedication. We design smart, scalable, and secure digital solutions that help businesses grow and adapt in a fast-moving world. From startups to enterprises, we turn ideas into high-performance web, mobile, and SaaS platforms—built with modern technologies and a focus on real-world impact. Our specialties include: Custom Software & App Development SaaS Engineering & AI Integration eCommerce Solutions & Automation Cloud Infrastructure & DevOps Services Our tech stack spans React, Next.js, Flutter, Django, FastAPI, PHP, PostgreSQL, Redis, Docker, Kubernetes, and top cloud platforms like AWS and GCP. At SayShan, we combine deep technical expertise with a human-centered approach to deliver powerful, intuitive, and future-ready digital products. Let’s build something extraordinary—together.

Md Abu Sayed | SayShan Technologies

SayShan Technologies is a next-gen software company where innovation meets dedication. We design smart, scalable, and secure digital solutions that help businesses grow and adapt in a fast-moving world. From startups to enterprises, we turn ideas into high-performance web, mobile, and SaaS platforms—built with modern technologies and a focus on real-world impact. Our specialties include: Custom Software & App Development SaaS Engineering & AI Integration eCommerce Solutions & Automation Cloud Infrastructure & DevOps Services Our tech stack spans React, Next.js, Flutter, Django, FastAPI, PHP, PostgreSQL, Redis, Docker, Kubernetes, and top cloud platforms like AWS and GCP. At SayShan, we combine deep technical expertise with a human-centered approach to deliver powerful, intuitive, and future-ready digital products. Let’s build something extraordinary—together.

Available to hire

SayShan Technologies is a next-gen software company where innovation meets dedication. We design smart, scalable, and secure digital solutions that help businesses grow and adapt in a fast-moving world.

From startups to enterprises, we turn ideas into high-performance web, mobile, and SaaS platforms—built with modern technologies and a focus on real-world impact. Our specialties include:

Custom Software & App Development
SaaS Engineering & AI Integration
eCommerce Solutions & Automation
Cloud Infrastructure & DevOps Services

Our tech stack spans React, Next.js, Flutter, Django, FastAPI, PHP, PostgreSQL, Redis, Docker, Kubernetes, and top cloud platforms like AWS and GCP.

At SayShan, we combine deep technical expertise with a human-centered approach to deliver powerful, intuitive, and future-ready digital products. Let’s build something extraordinary—together.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Bengali
Fluent
Japanese
Beginner

Work Experience

Startup Founder | Full-Stack & DevOps Lead at SayShan Technologies
June 1, 2025 - Present
I'm Md Abu Sayed, a full-stack software engineer and founder of SayShan Technologies, with over 6 years of experience crafting scalable web and mobile applications, SaaS platforms, and intelligent automation systems. I specialize in Python, PHP, Laravel, Django, FastAPI, React, Next.js, and Flutter, and have deep experience deploying secure, high-performance solutions on AWS, GCP, DigitalOcean, and containerized environments using Docker and Kubernetes. Whether you need a custom web app, AI-driven automation, or robust backend architecture, I bring technical precision and a product mindset to every project. I’ve led cross-functional teams, built cloud-native systems from the ground up, and helped startups and enterprises turn ideas into production-ready digital solutions. Let’s collaborate and bring your vision to life—with clean code, clear communication, and scalable results.
Software Engineer at Mysoftheaven (BD) LTD.
August 31, 2024 - July 26, 2025
Collaborated with cross-functional teams to design and implement innovative software solutions tailored to project requirements. Ensured seamless integration of third-party APIs (NID, TIN, BIN, ekshop, e-cab) to enhance functionality. Followed best software development practices, resolved complex technical issues, and provided reliable support. Implemented microservices architecture optimized with Docker. Configured and deployed servers according to project needs. Implemented SSO, SMS, and payment gateway integrations.
Full Stack Engineer at Sagbrain Corp.
August 1, 2022 - Present
Led full-stack development of scalable web applications using Python, FastAPI, Next.js, React, and PostgreSQL, focusing on performance, security, and maintainability. Integrated AI technologies including ChatGPT, Gemini AI, and Google APIs to provide intelligent user experiences. Designed backend architectures and RESTful APIs, managing software lifecycle from planning to production. Managed cloud/server infrastructure, CI/CD pipelines, and monitoring for high availability. Collaborated with cross-functional teams to gather requirements and develop solutions. Implemented best practices in coding, testing, and deployment to improve code quality and optimize system performance. Built AI-driven automation workflows, optimized PostgreSQL queries and database structures for high-traffic applications.
Software Engineer at Instinct Technology
March 31, 2022 - July 26, 2025
Analyzed client requirements and developed suitable software solutions. Participated in planning, designing, and software development phases. Troubleshot bugs and performed fixes. Built REST APIs and deployed systems on cloud servers such as AWS, DigitalOcean, and Linode. Integrated third-party APIs and payment gateways to enrich product capabilities.
Junior Software Engineer at Voltsmith Technology Ltd
October 31, 2018 - July 26, 2025
Developed software using SIEMENS Step 7 as per company requirements. Collaborated with team members to troubleshoot system issues. Created 3D designs for projects using Google SketchUp. Served as assistant trainer for PLC programming with Saidpur Cantonment, Bangladesh Army.

Education

Bachelor's Degree at American International University-Bangladesh
January 1, 2017 - December 31, 2017

Qualifications

Certificate of Participation, Hardware Designation for Scaling P=NP Problem
January 31, 2016 - January 31, 2016
Certificate of Participation, Transitive Closure Using Path Algebra Algorithm
March 31, 2016 - March 31, 2016
Certificate of Participation, 5th International Conference on Information, Electronics and Vision (ICIEV)
May 13, 2016 - May 14, 2016
Certificate of Participation, A Simple Software Engineering Environment for Coming Decades
January 1, 2017 - January 1, 2017

Industry Experience

Software & Internet, Computers & Electronics, Financial Services, Government, Retail, Professional Services, Education
    SmartPOS – All-in-One POS & Business Management System

    SmartPOS is a complete Point of Sale and Business Management System designed for multi-shop operations. It streamlines day-to-day business activities—from inventory and sales to accounting and reporting—through a unified, scalable platform.

    Key Modules & Features:

    🛒 POS & Sales Management – Real-time sales, invoicing, and discount handling
    📦 Inventory & Product Management – Stock tracking, barcode support, and multi-warehouse control
    🧾 Purchase Management – Supplier handling, purchase orders, and goods receipt
    📊 Advanced Reporting – Sales, expenses, profit/loss, and shop-wise performance analytics
    🧑‍💼 Employee Management – Role-based access, activity tracking, and payroll support
    🏪 Multi-Shop Management – Centralized control over multiple branches with individual dashboards
    💰 Accounts & Expense Management – Track payments, receivables, salary, rent, and utilities
    👨‍💻 Super Admin Panel – Full access to manage users, shops, settings, and more

    Tech Stack: Laravel, MySQL, JavaScript, Bootstrap, jQuery, Select2, and more.

    I led the full system architecture, backend logic, and dynamic frontend integration to ensure smooth performance, user-friendly interfaces, and secure operations.

    eCommerce – Scalable Multi-Vendor Shopping Platform

    Developed a robust, multi-vendor eCommerce platform inspired by systems like Daraz and Alibaba, tailored for both web and mobile users. The platform supports vendor onboarding, product management, order processing, and secure payment integration, delivering a seamless shopping experience.

    Built using Laravel, MySQL, React, and REST APIs, the system includes:

    Vendor & admin dashboards with role-based access
    Dynamic product listings and smart search with filters
    Shopping cart, discounts, and payment gateway integration
    Order tracking & invoice generation
    Scalable backend architecture with optimized database design

    I led the backend development, designed the database schema, and integrated essential business features to support high concurrency and future growth.

    AI Interview – Intelligent Interview Scheduling & Evaluation Platform

    AI Interview is a smart, end-to-end platform designed to streamline technical interview processes using automation and AI. Built with FastAPI, Next.js, and PostgreSQL, the system handles candidate scheduling, Google Calendar integration, interview link generation, and AI-assisted code evaluation.

    Key features include:

    Automated interview scheduling with calendar invites (Google API integration)
    Real-time coding test environment
    AI-powered answer analysis using Gemini API
    Admin dashboard to manage candidates, sessions, and results
    Secure architecture with JWT auth and role-based access

    As the lead developer, I designed and implemented the backend architecture, AI integration workflows, and calendar automation logic, ensuring a scalable and efficient experience for both candidates and recruiters.