Asrat Efrem

Building practical systems, mentoring, and shipping with teams.

📍 Addis Ababa, Ethiopia•Backend Developer
Email
GitHub

Stats

Coding Time
Total time coded since Dec 12 2024

Source: WakaTime

Top Language
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Most Used

GitHub
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Repos
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Followers
Contributions
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Skills

Backend Development

Frontend Development

CI/CD + DevOps

Core Competencies

Experience

Backend Developer
Mentor Knowledge Solutions
Jan 2024 — Present
  • Develop and maintain backend systems using Ruby on Rails.
  • Design and implement B2B ERP solutions for foreign companies.
  • Collaborate with QA, Product Managers, and Business Analysts.
  • Deliver inventory, HR/payroll, finance, CRM/sales, and procurement modules.
  • Built projects including SIMS (enrollment, courses, attendance, payments) and supply chain financing features.
Ruby on RailsPostgreSQLRESTAgile
Teaching Assistant (Lab Instructor)
BITS College
Mar 2023 — Present
  • Teach Intro to Programming with Python to first-year students.
  • Guide database fundamentals (SQL + database design) for second-year students.
  • Provide 1:1 and in-class mentorship to improve learning outcomes.
PythonSQLMentoring
Backend Development Intern
Mentor Knowledge Solutions
Jul 2023
  • Built and optimized backend components using Ruby on Rails.
  • Built proof-of-concepts that led to a full-time role.
  • Worked with Agile development practices.
Ruby on RailsAgile
Gebeta Hackathon — Participant (3rd Place)
(Awarded)
  • Received an award for finishing third place.
  • Showcased strong problem-solving and team collaboration.
Solution Repo ↗
Hackathon

Projects

AdSensie
Rails + ClickHouse Telegram Ad Intelligence
  • Built an analytics platform to help advertisers pick high-performing Telegram channels using engagement, growth, and activity metrics.
  • Implemented channel discovery with advanced filtering/sorting plus campaign-ready collections.
  • Ingested live Telegram data into PostgreSQL and synchronized into ClickHouse for fast analytical queries and dashboards.
  • Added performance monitoring to compare PostgreSQL vs ClickHouse query latency on large datasets.
  • Automated periodic sync jobs with Redis + Sidekiq for near real-time reporting.
GitHub
Ruby on Rails
PostgreSQL
ClickHouse
Redis
Sidekiq
Docker
Tailwind CSS
Turbo
Stimulus
Python
Telethon
Liyt API (Hackathon solution)
Backend
  • API work for hackathon project.
  • Focus on clean backend architecture and collaboration.
GitHub
API
Backend

Education

BSc in Software Engineering

2022 — 2026
BITS College — Addis Ababa, Ethiopia

High School Diploma

Diamond Academy — Addis Ababa, Ethiopia