Hey there! I'm Samuel B., a highly skilled Full-Stack Developer and AI Engineer with a B.Sc. in Computer Science and over 5 years of professional experience. I design, develop, and deploy robust, scalable applications — and I specialize in integrating AI (LLMs) and workflow automation to build intelligent web and mobile systems. My tech stack spans Angular, React, Next.js, Node.js, NestJS, Go, .NET, Spring Boot, and Flutter. I've worked with AWS and Ethio Telecom cloud infrastructure, and I'm passionate about clean, performant, maintainable code. As a freelancer on Upwork with 9 completed contracts and 1,900+ tracked hours, I consistently deliver quality solutions to clients worldwide. When I'm not wrestling with code, you'll find me belting out my favorite tunes or plotting my next caffeine fix. Let's turn your ideas into digital awesomeness!
Download My CVExpert in building robust, scalable web applications with React, Next.js, and Angular. Passionate about intuitive UI/UX, responsive design, and optimizing performance.
Experienced Flutter developer proficient in crafting high-quality, cross-platform mobile apps with a portfolio of successfully launched applications.
Seasoned backend developer building scalable APIs and services with Node.js, NestJS, Go (Golang), .NET (C#), Spring Boot, and cloud deployments on AWS.
AI Engineer specializing in LLM integration, AI workflow automation, and prompt engineering — building intelligent systems that enhance products and streamline development pipelines.
AI Engineer & Full-Stack Developer at ProductEra LLC
Engineered and deployed full-stack web applications integrated with advanced AI capabilities. Architected LLM integrations and automated AI workflows to optimize application logic. Streamlined internal development pipelines using custom AI automation tools, prompt engineering, and codebase rules to accelerate delivery.
Full-Stack Developer at Taptosign.com (Arizona, Remote)
Designed and built core system features ensuring seamless alignment with production infrastructure. Resolved critical backend errors and managed frontend-to-backend API integrations. Developed and optimized scalable backend services utilizing Go (Golang).
Freelance Full-Stack Developer on Upwork
Successfully executed 9 contracts on the platform, accumulating over 1,900 hours of tracked, high-quality development work. Delivered end-to-end web architectures, tailored API integrations, and intuitive UI/UX system layouts.
Software Developer and Designer (Part-Time) at Unity University
Architected and developed a comprehensive internal HR Management System. Maintained and optimized the university's Student Information System (SIS) and WordPress website. Designed web assets, promotional posters, and academic book covers.
Software Developer & Control Specialist at Center for Adolescent Girls Health
Designed and implemented a user-friendly WordPress portal and a cross-platform Flutter mobile application. Built and launched 2 Flutter apps, including one with integrated AI tools and an official Midwives Technical Guideline app. Led rigorous testing and debugging phases prior to deployment.
Full-Stack Developer (Freelance Contracts)
Health Management Web Application: Developed an enterprise health management system for three hospitals using Angular and .NET. E-Commerce Web Application: Designed and launched an interactive e-commerce platform using Angular and NestJS.
B.Sc. in Computer Science | Addis Ababa University
Graduated with very great distinction. Capstone Project: "Smart Supply Chain Management for Coffee and Teff in Ethiopia" — Architected an AI-powered system featuring predictive demand/supply analysis and price forecasting, coupled with real-time GPS location tracking to optimize delivery workflows.
Full-Stack Application Development | Kagnew Boot Academy
Intensive software engineering boot camp led by volunteer tech experts from the USA, focusing on scalable engineering practices and full-stack development.
Full-Stack Developer Intern at Dallol Tech
Built dynamic web and mobile applications using Flutter, Angular, .NET, and NestJS. Implemented clean state management solutions, integrated REST APIs, and authored robust frontend unit tests.
IT Technician & System Administrator Intern at CBE
Managed, maintained, and troubleshot core enterprise software applications, computer systems, networks, and internal servers at the Commercial Bank of Ethiopia. Provided technical support while collaborating with multi-departmental IT professionals.
Machine Learning Specialization (Coursera), Basics of Blockchain (FreeCodeCamp)
Front End Development Libraries, Responsive Web Design (FreeCodeCamp), React.js & Next.js (Coursera), Fundamentals of Angular (Coursera)
Basics of NestJS (Udemy), Node.js (Udemy), Mastering Laravel (Coursera), Spring Boot (Alison), Python (Udemy), C# (FreeCodeCamp & Microsoft), Fundamentals of Flutter (Alison)
Advanced WordPress (Coursera), Endpoint Security, Networking & CSST Career Path (Cisco), Electronics Maintenance (High Class Electronics)
Hours Worked
Project Finished
Happy Clients
Coffee Drank
I specialize in Mobile Application Development, with extensive experience in crafting high-quality, dynamic apps using Flutter. While Flutter is my main strength, I am also proficient in Kotlin and Java, allowing me to adapt to your project's needs quickly. Whether you need a new app or enhancements to an existing one, I am dedicated to delivering top-notch solutions that exceed your expectations. Let's bring your app idea to life!
I offer AI engineering services specializing in LLM integration, AI workflow automation, and prompt engineering. With experience at ProductEra LLC, I architect intelligent systems that integrate seamlessly into your web and mobile applications — automating processes, accelerating development, and unlocking data-driven insights. Let's build the future with AI!
I offer comprehensive Web Application Development services, specializing in React, Next.js, Angular, Node.js, NestJS, Go (Golang), and .NET to create robust and scalable web solutions. My expertise spans intuitive frontend interfaces and high-performance backend systems with AWS cloud deployments. Whether building from scratch or enhancing existing applications, I deliver exceptional solutions tailored to your needs. Let's create something amazing together!
I provide Chatbot Development services to enhance user engagement and streamline interactions. Leveraging advanced technologies, I create intelligent chatbots that can understand and respond to user queries effectively. Whether you need a chatbot for customer support, sales, or any other application, I deliver solutions that are intuitive, reliable, and tailored to your specific requirements. Let's automate your communication and elevate your user experience!
I offer professional WordPress Development services to help you create and maintain stunning websites. With experience in customizing themes, plugins, and ensuring responsive design, I can build or enhance your WordPress site to meet your unique needs. Whether you're looking to launch a new site or optimize an existing one, my skills ensure a seamless and efficient development process. Let's make your WordPress site stand out!
I provide top-notch UI/UX Design services using Canva and Figma to create visually appealing and user-friendly interfaces. My design process focuses on enhancing user experience while ensuring that your app or website looks stunning. Whether you need a complete design overhaul or a fresh new look, I am dedicated to delivering designs that are both beautiful and functional. Let's create an engaging and intuitive user experience together!