Asrat Efrem
Building practical systems, mentoring, and shipping with teams.
📍 Addis Ababa, Ethiopia•Backend Developer
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Contributions
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Skills
Backend Development
Frontend Development
CI/CD + DevOps
Core Competencies
Projects/Experience
Turmi (Agrifin-tech)
Turmi Technologies PLC
Turmi Technologies PLC
Dec 2025 — Present
- Developed a GPS-based mapping flow for field agents to polygon-map farms, compute acreage, and prevent overlaps.
- Built an offline-first sync engine to reliably capture KYC, photos, and signatures in low-connectivity regions.
- Implemented input-financing workflows that track disbursements against credit limits and crop growth stages.
- Shipped a multi-language (Amharic/Oromiffa) digital agreement + signature capture flow for farmer onboarding.
Node.js
Express
React
PostgreSQL
PostGIS
GIS
Offline Sync
AdSensie
Telegram Ad Intelligence
Personal
2025
- Built a Telegram ad-intelligence platform to rank channels by engagement, growth, and activity.
- Designed a Postgres → ClickHouse analytics pipeline for fast dashboards and large-scale querying.
- Automated near real-time refresh with Redis/Sidekiq and benchmarked query latency across stores.
Ruby on Rails
PostgreSQL
ClickHouse
Redis
Sidekiq
DSCF (Digital Supply Chain Finance Ecosystem)
Mentor Knowledge Solutions
Mentor Knowledge Solutions
Jan 2024 — Present
- Orchestrated an ecosystem of interoperable Ruby engines (Core, Marketplace, Banking) powering an end-to-end B2B financing platform.
- Built the full trade + credit lifecycle from RFQ processing to virtual banking disbursements and interest-bearing repayments.
- Developed a logistics engine with routing, multi-stop delivery tracking, and proof-of-delivery (POD) workflows using PostGIS.
- Implemented centralized security with JWT auth, fine-grained RBAC (Pundit), and audit logging for compliance.
- Built virtual account management and transaction processing with configurable interest for multiple financial products.
Ruby on Rails
PostgreSQL
PostGIS
Redis
Sidekiq
JWT
Fintech
Liyt
Delivery management API + ops infrastructure
Liyt
2024 - Present
- Built a delivery management platform for Ethiopian businesses: an integrable API plus operational delivery infrastructure.
- Standardized delivery pricing using a consistent distance/time model to improve predictability and cost control.
- Introduced product-safety accountability with driver agreements and a clear dispute/claims process for damages.
- Enabled restaurants and merchants to retain their brand with a neutral delivery partner (no marketplace favoritism).
- Shipped manual order creation tools for Telegram/Instagram sellers with scheduled or instant dispatch.
API
Delivery
Operations
Comee (B2B ERP Engine)
Mentor Knowledge Solutions
Mentor Knowledge Solutions
Jan 2024 — Present
- Architected a central B2B ERP engine covering procurement, warehouse logistics, sales, and distribution workflows.
- Delivered real-time inventory tracking across multiple warehouses with PO-to-stock synchronization.
- Automated financial workflows including multi-currency invoicing, payment tracking, and supplier settlements.
- Built a modular core used as the backbone for multiple enterprise applications to keep business logic consistent.
Ruby on Rails
PostgreSQL
Redis
Sidekiq
JWT
B2B ERP
SIS (Student Information System)
Mentor Knowledge Solutions (Technology College)
Mentor Knowledge Solutions
Sept 2023 — Present
- Built a full student lifecycle system from enrollment through advising and graduation eligibility.
- Engineered secure grading with a 'Grade Change Request' approval workflow for auditability and integrity.
- Shipped administrative tooling for programs, course offerings, instructor assignments, scheduling, and room allocation.
- Digitized student request workflows (Add/Drop, exceptions) and medical info tracking to reduce administrative overhead.
Ruby on Rails
PostgreSQL
RSpec
Academic ERP
Education
BSc in Software Engineering
2022 — 2026BITS College — Addis Ababa, Ethiopia
High School Diploma
Diamond Academy — Addis Ababa, Ethiopia