Lillian Assefa
@lillianassefa
I build multi-tenant web platforms, APIs, and AI automation with Ruby, Python, TypeScript, and AWS.
EthiopiaWhat I'm looking for
I've built multi-tenant platforms, APIs, web applications, and automation for teams in Canada, the United Kingdom, the United States, and Ethiopia.
At RewardOps, I develop Ruby services and APIs for a multi-tenant rewards platform, delivering shopping-cart functionality and Twilio SMS notifications across frontend and backend workflows. I support AWS-hosted architecture focused on tenant data isolation, scalability, and maintainable code.
At Fuel Meals, I improved customer-support automation from 45% to 60% through backend integration, API handling, workflow optimization, and bottleneck improvements. At AiQEM, I built a data-analytics service, Node.js backend modules, and a Python Telegram bot integration while reducing infrastructure costs by 35%.
I've also delivered AWS authentication, Lambda, CI/CD, PHP/Nuxt.js project-management tools, Flutter field applications, and an RFID-enabled transportation system. My work combines Ruby, Python, JavaScript/TypeScript, cloud delivery, and practical product engineering.
Experience
Work history, roles, and key accomplishments
Software Engineer
RewardOps
Mar 2025 - Present (1 year 7 months)
Develop and maintain Ruby-based services and APIs for a multi-tenant rewards platform, supporting dynamic store creation and tenant-specific product experiences. Delivered shopping-cart functionality and Twilio SMS notifications by coordinating changes across frontend and backend workflows.
Education
Degrees, certifications, and relevant coursework
10 Academy
Intensive Training, Data Engineering, Generative AI & Machine Learning
2023 - 2024
Completed an intensive program in Data Engineering, Generative AI, and Machine Learning, focusing on applied AI and machine-learning systems.
Addis Ababa University
Bachelor of Science, Electrical and Computer Engineering
2018 - 2023
Grade: 3.62
Activities and societies: ECE Best Thesis Project (2023)
Pursued a Bachelor of Science in Electrical and Computer Engineering, graduating with a cumulative GPA of 3.62.
Availability
Location
EthiopiaAuthorized to work in
Portfolio
github.com/lillianassefaJob categories
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