Samuel Wondimu Woldeyohannes
@samuelwondimuwoldeyo
I’m a full-stack engineer crafting production web platforms with real-time video systems.
EthiopiaWhat I'm looking for
I build production-grade web platforms end-to-end for international teams, with a strong focus on real-time, video-driven experiences. I’ve spent 4+ years shipping systems used by organizations across the UK, US, and Ethiopia—balancing speed, reliability, and maintainability.
In my current role as a Lead Frontend Engineer, I lead frontend development on a video-based hiring platform supporting one-way interviews, live video calls, and webinars. I architected and built real-time webinar and video call features with the Amazon Chime SDK, delivered live video streaming with integrated live chat using AWS IVS, and helped establish Next.js and TypeScript standards that improve team consistency.
Before that, I built and scaled full-stack products such as a blog platform from scratch with Next.js and Sanity CMS, including migrating 500+ legacy WordPress posts with full data integrity. I’ve also led major migrations (including a .NET job board to Next.js + Sanity), rebuilt UIs for better UX and performance, and delivered automation like applicant communications and email marketing workflows—always partnering closely with backend engineers and mentoring teams along the way.
Experience
Work history, roles, and key accomplishments
Lead Frontend Engineer
Connect IME
Nov 2023 - Present (2 years 7 months)
Led frontend development for a video-based hiring platform supporting one-way interviews, live video calls, and webinars. Architected real-time webinar/video-call features with the Amazon Chime SDK and built AWS IVS live streaming with integrated live chat, while establishing Next.js/TypeScript frontend standards and partnering on scalable API integrations.
Full Stack Engineer
Birl.La
Jun 2023 - Nov 2023 (5 months)
Built a full-stack blog platform from scratch using Next.js and Sanity CMS, owning both frontend and content infrastructure. Migrated 500+ WordPress posts to Sanity with data integrity, implemented rich-media embed components (Spotify/YouTube/SoundCloud/Twitter), and developed an AI-powered blog generator with automated email workflows using Sanity hooks.
Full Stack Developer
Pleasurealm Ltd
Feb 2023 - Apr 2023 (2 months)
Led migration of a legacy .NET job board to a modern Next.js + Sanity CMS stack. Rebuilt the UI from the ground up, imported historical job data without loss, and implemented job application and automated applicant mailing flows; trained and mentored the client team post-handover.
Freelance Full Stack Developer
Upwork
Oct 2021 - Jan 2023 (1 year 3 months)
Delivered full-stack projects across med-tech, SaaS, and marketing for international clients. Built and maintained marketing websites and web apps with React, Next.js, and Gatsby, authored end-to-end test suites, and created a reusable Sanity + Cloudinary media storage schema plugin for typed uploads and automatic rendering via GROQ.
Frontend Developer
Two-F Capital
Jul 2021 - Feb 2022 (7 months)
Built two large-scale internal dashboards for data-driven business operations using React, TypeScript, and Firebase. Delivered five responsive marketing websites, contributed to a React Native ride-hailing app (core screens and navigation), and developed a web-based vehicle inspection system for garage management.
Education
Degrees, certifications, and relevant coursework
Ningo University of Technology
Bachelor of Science, Computer Science
2017 - 2021
Earned a Bachelor of Science in Computer Science at Ningo University of Technology from 2017 to 2021.
Tech stack
Software and tools used professionally
Availability
Location
EthiopiaAuthorized to work in
Job categories
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