Rezwan Ahmed Sami

Sylhet Sadar, 3100
[email protected]

Summary

Accomplished Chief Technology Officer with extensive experience in overseeing technical direction, strategy, and execution for search-engine-based platforms and e-commerce solutions at Rightbiz Ltd. Proven track record in leading multidisciplinary teams, implementing scalable architectures, and driving innovation to enhance user experience. Founded Epipick, an affiliate marketing platform, and Pictulbo, an online marketplace for photographers. Proficient in a wide range of programming languages including JavaScript, C++, Dart (Flutter), Rust, PHP, Java, Kotlin, Swift, C, Python, C#, SQL and TypeScript. Expertise in web development frameworks such as React and Angular; databases like MySQL and MongoDB; and DevOps tools including GitHub and Docker. Strong leadership skills with a focus on strategic thinking, executive communication, and performance driving. Career goal: to leverage technical acumen and leadership abilities to drive technological advancements and business growth.

Experience

Chief Technology Officer (CTO)

September 2023 to Current

Rightbiz Ltd. - London.

  • Oversee the technical direction, strategy, and execution for a suite of products, including search-engine-based platforms and e-commerce solutions.
  • Lead a multidisciplinary team of 10-15 developers, ensuring timely delivery of high-quality projects.
  • Implement scalable architectures and optimize performance across all products.
  • Drive innovation and user-focused improvements to enhance platform functionality and user experience.

Lead Product Manager

April 2023 to September 2023

Rightbiz Ltd. - London.

  • Spearheaded product development initiatives, aligning features with business goals and user needs.
  • Managed cross-functional teams to ensure efficient communication and project execution.
  • Introduced analytics-driven processes to measure and improve product performance.

Product Manager

October 2022 to April 2023

Rightbiz Ltd. - London.

  • Coordinated end-to-end product development lifecycles, from concept to deployment.
  • Developed detailed roadmaps, ensuring alignment with organizational objectives.
  • Fostered collaboration between engineering, design, and marketing teams.

Software Engineer

June 2021 to October 2022

Rightbiz Ltd. - London.

  • Contributed to the development of core platforms, focusing on performance optimization and scalability.
  • Collaborated with stakeholders to design and implement new features.
  • Maintained high code quality standards through peer reviews and rigorous testing.

Founder & CEO

February 2023 to September 2023

Pictulbo - Sylhet, Bangladesh

  • Conducted a market test for an innovative online marketplace for photographers, connecting clients with professionals.
  • Designed and implemented a user-friendly platform to streamline bookings and portfolio showcasing.
  • Evaluated market conditions and determined the timing was not suitable for scaling, leading to the project's closure.

Skills

Programming Languages

  • JavaScript
  • C++
  • Dart (Flutter)
  • Rust
  • PHP
  • Java
  • Kotlin
  • Swift
  • C
  • Python
  • C#
  • SQL
  • TypeScript
  • Zig

Web Development & Frameworks

  • React
  • React Native
  • Angular
  • Node.js
  • Bun.js
  • Tauri

Databases & Tools

  • MySQL
  • MongoDB
  • Typesense (In-memory database)
  • Weaviate (Vector database)
  • Firebase
  • OneSignal

Version Control & DevOps

  • Git
  • GitHub
  • Docker
  • AWS
  • XAMPP
  • CI/CD

Product & Project Management

  • Product Management
  • Scalable Architecture Design
  • Project Management Tools Proficiency
  • Market Analysis
  • Performance Driving
  • Strategic Project Planning
  • Scalability Planning
  • Project Prioritisation
  • Software Development Life Cycle
  • Consulting
  • Technology Roadmap Development

Leadership & Mentorship

  • Strategic Thinking
  • Executive Communication
  • People Management
  • Training and Mentoring
  • Visionary Leadership
  • Clear Communicator

Operations & Management

  • Operations Management
  • General Management and Administration
  • IT Service Management
  • Budget Control and Forecasting
  • Operations Oversight
  • Policy Development

Technical Skills & Knowledge

  • Data Analysis
  • DevOps Principles
  • Client and Server Networks
  • Cybersecurity Awareness
  • Technological Acumen
  • Data-driven Decision-making
  • Technical Leadership
  • Mobile Application Development
  • Web Development
  • HR Systems Knowledge

Soft Skills

  • Effective Communication
  • Problem Solving
  • Adaptability
  • Global Mindset

Projects

Research – Semi-Decentralized Encrypted Database (SDED)

Role: Lead Researcher

  • Project Description: Published a research paper on a semi-decentralized encrypted database framework designed for sustainable data management in distributed systems.

  • Key Responsibilities & Achievements:

    • Developed the framework focusing on cost efficiency and data security.
    • Published research in an academic journal (Academia.edu) and presented findings at a tech conference.
    • Received positive feedback for the innovative approach to decentralization in database management.

RouteMamba – JavaScript Library for Single-Page Applications

Role: Creator & Developer

  • Project Description: Developed RouteMamba, a powerful and flexible JavaScript library for building seamless single-page applications (SPAs). Unlike other libraries like React.js or Next.js, RouteMamba simplifies the routing process without the need for complex setups or page reloads. It empowers developers to create highly customizable, dynamic, and interactive web apps with unparalleled control, making it an ideal choice for developers seeking simplicity and efficiency.

  • Key Responsibilities & Achievements:

    • Designed and developed routing solutions for SPAs, ensuring smooth user experiences without the need for traditional page reloads.
    • Created a clean, minimal API that makes it easy to implement routing features such as dynamic routes and state-based navigation.
    • Developed the library using TypeScript for strong typing and improved developer productivity.
    • Published RouteMamba as an open-source project, providing developers with a free, powerful alternative to large frameworks.
    • Promoted the library through documentation and a dedicated website, receiving positive feedback from the developer community.

  • Technologies/Tools Used: TypeScript, JavaScript, Node.js, Git, HTML, CSS

  • Website: https://routemamba.rezwanahmedsami.com/

Rust Programming Language Contributions

Role: Contributor

  • Project Description: Contributed to the Rust Programming Language repository, improving its functionality, test cases, and resolving issues related to f16 and f128 floating-point conversions. Focused on enhancing Rust's capabilities for working with floating-point numbers and their conversion in WebAssembly (wasm).

  • Key Responsibilities & Achievements:

    • Addressed and fixed issues in rust-lang/rust related to f16 and f128 float conversions, contributing to better compatibility with WebAssembly.
    • Collaborated with the Rust community and maintained code quality through pull requests and peer review processes.
    • Successfully implemented targeted tests with the #[cfg(target_arch = "x86_64")] flag to handle architecture-specific floating-point operations.

  • Technologies/Tools Used: Rust, Git, GitHub

Certifications

Software Architecture & Technology of Large-Scale Systems: Udemy

Strategy and Operations: International Business Management Institute, Berlin, Germany

Additionally:

  • Led the successful launch of several high-impact products, including MyBouquet, MosquePay, and many more.
  • Contributed to the Rust Programming Language open-source project, enhancing key features and collaborating with the global development community to improve the ecosystem.

Publications

"Semi-Decentralized Encrypted Database (SDED) Framework: Enabling Sustainable Data Management and Cost Efficiency in Distributed Systems"

Author: Rezwan Ahmed Sami

Published on: Academia.edu

Summary: This paper introduces the SDED framework, which improves data security and cost-efficiency in distributed systems by combining decentralized encryption with efficient data management practices. It highlights its potential for enhancing sustainability in cloud-based data environments.

Education

Self-educated Software Engineer: computer science, programming, system architecture

Languages

Bengali:

C2
Proficient

English:

C1
Advanced

Hindi:

A1
Beginner

[Other Languages, if applicable]

A1
Beginner

Websites, Portfolios and Profiles

LinkedIn: https://www.linkedin.com/in/rezwanahmedsami

Portfolio: https://www.rezwanahmedsami.com

GitHub: https://www.github.com/rezwanahmedsami/

Hobbies and Interests

  • Open-source contribution.
  • Research & Innovation.
  • E-sports.
  • Gaming.
  • Volunteer Work.
  • Coding and Software Development.