Samuel (Alemayohu) B.
Senior Software Engineer
Experience
Nov 2024 - Present
1 year 2 monthsLjubljana, Slovenia
Senior Software Engineer
Kemijski inštitut
- Led a full back-end migration from Java to Django for a digital research assistant platform, redesigning core business logic and optimizing key workflows such as inventory management, resulting in a 70% reduction in response time.
- Completed a database migration of 100+ tables from MariaDB to PostgreSQL, improving data integrity, query performance, and system scalability.
- Designed and deployed machine learning models and inference pipelines using Python and AWS, enhancing the accuracy and speed of experimental data analysis across research projects.
- Managed cloud architecture on AWS (EC2, S3, Lambda, RDS, SageMaker) to support scalable web applications, CI/CD pipelines, and production ML model serving with high reliability.
- Built Python automation scripts and specialized laboratory desktop applications (ECSA Tafel App, Potentiostat control GUI), reducing manual data handling and streamlining laboratory workflows.
Jun 2024 - Aug 2024
3 monthsPlymouth, United Kingdom
Visiting Researcher
University of Plymouth
- Conducted research and developed LSTM-based time-series models for wildfire prediction in California using the “2.3 Million US Wildfires (1992–2020)” dataset and Google Trends search volume (e.g., “fire prevention”) as a proxy for public attention.
- Combined traditional climate and environmental drivers with state-level population data and real-time Google Trends metrics to model the relationship between collective public awareness and wildfire occurrence.
- Processed and analyzed large-scale, multi-source historical wildfire dataset, climate variables, population statistics, and Google Trends using Python, Pandas, NumPy, and ETL workflows to evaluate whether public attention signals improved predictive accuracy.
Dec 2023 - Oct 2024
11 monthsRome, Italy
Senior Web Developer
Montini Web Agency
- Conceived and delivered full-stack web applications for multiple client e-commerce platforms using React/Next.js with Django/Node.js, creating scalable architectures and RESTful APIs for multilingual stores with Stripe and PayPal integrations.
- Improved technical SEO using server-side rendering, structured data markup, and performance optimization techniques, increasing Core Web Vitals scores by over 30%.
- Produced responsive user interfaces with cross-browser compatibility and component-based architecture in React/Next.js, and combined third-party APIs for booking systems and content management.
- Refined PostgreSQL database queries and introduced caching strategies to reduce page load times, overall site performance and user experience.
Feb 2023 - Aug 2023
7 monthsAddis Ababa, Ethiopia
Software Developer
Amref Health Africa
- Created a scalable e-learning platform using Django and Svelte, serving over 100,000 users in rural communities with critical health education on disease transmission and prevention.
- Designed a comprehensive role-based dashboard for administrators to manage users and track educational progress across all 11 regions, zones, and woredas.
- Launched an Interactive Voice Response (IVR) system to deliver free, offline mobile learning via text and voice calls, enabling access for populations with limited internet connectivity.
- Introduced core platform features including course management, progress tracking, examinations, and certificate generation, helping thousands of learners complete training and receive certificates nationwide.
May 2019 - Feb 2023
3 years 10 monthsAddis Ababa, Ethiopia
Full Stack Developer
Mereb Technologies
- Started as an intern and progressed to a full stack developer role, gaining hands-on experience across the full software development lifecycle in an Agile environment.
- Produced full-stack features for a decentralized computing platform, introducing task orchestration and GraphQL APIs with Python and React, and deploying services in Docker containers with monitoring via Grafana.
- Developed dynamic web applications for an educational platform, designing responsive user interfaces in React and back-end services in Node.js connected to relational databases.
- Established CI/CD pipelines using Docker and cloud services to automate testing, integration, and deployment, improving reliability and frequency.
Summary
Senior Software Engineer with 6+ years of experience in cloud architecture, machine learning, and scalable system design. Proficient in developing high-performance web applications, data-intensive AI systems, and automating complex workflows. Demonstrated ability to lead projects from initial concept to successful production deployment.
Languages
Amharic
NativeTigrinya
NativeEnglish
AdvancedEducation
Sep 2023 - Nov 2025
University of Ljubljana
Master of Science, Environmental Civil Engineering · Environmental Civil Engineering · Ljubljana, Slovenia
Sep 2023 - Nov 2025
University of Calabria
Master of Science, Environmental and Territorial Safety Engineering · Environmental and Territorial Safety Engineering · Rende, Italy
Sep 2014 - Dec 2020
Addis Ababa University
Bachelor of Science, Civil Engineering · Civil Engineering · Addis Ababa, Ethiopia
Certifications & licenses
AWS Certified AI Practitioner
AWS Certified Solution Architect – Associate
Intermediate PostgreSQL
University of Michigan
Web Application Technologies and Django
University of Michigan
CS50P: Programming With Python
Harvard University
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