Birehan Zewdie
AI Engineer
Summary
AI Engineer designing and shipping production LLM and ML systems end-to-end, from retrieval pipelines and agent workflows to the async Python backends and cloud infrastructure that keep them running.
Experience
Machine Learning Engineer @ The COOL Company
May 2025 to Jan 2026New York, USA (Remote)
- ›Built a data-driven AI floor-price prediction system using LightGBM to dynamically optimize pricing per ad request for DSPs, resulting in a 7% increase in revenue.
- ›Built a client revenue-forecasting system that predicts daily revenue using scraped domain data, Google PageSpeed metrics, WHOIS information, historical performance data, and LLM-generated features, achieving 86%+ prediction accuracy.
Machine Learning Engineer @ Adludio
May 2024 to May 2025London, UK (Remote)
- ›Improved campaign ROI with an automated pacing algorithm (predictive modeling + real-time bid adjustments), with ~16% KPI lift.
- ›Shipped a creative scoring system (history + LLMs) to rank creative variants, with ~10% engagement lift and ~5% CTR/CPA improvement.
- ›Shipped an LLM pipeline for on-brand ad concepts aligned to campaign goals and cut creative ideation time by about half.
- ›Shipped inventory scoring (DCN v2 + LTR) to tune bids across publishers, formats, and devices, with ~15% conversion lift and ~10% margin lift.
AI Software Developer · Team Lead @ Eskalate S.C.
Mar 2023 to Apr 2024Remote
- ›Led a cross-functional team to launch HakimHub, a first-of-its-kind AI-powered medical recommendation platform, using Jira for structured planning, task tracking, and coordination through delivery.
- ›Fine-tuned a Llama 3-based chatbot using AI agents for personalized symptom assessments and follow-ups, integrated with tooling to query doctors and hospitals.
Software Engineer @ AiQEM Tech
Jul 2023 to Sep 2023Remote
- ›Built a React dashboard for advertisers to visualize campaign performance, including engagement, trends, and key metrics over time.
- ›Partnered with product and stakeholders to gather requirements and tighten dashboard usability.
Skills
AI / ML Engineering
LLMs (OpenAI, Claude, Gemini) · Retrieval-Augmented Generation (RAG) · Fine-tuning (Llama 2/3, BERT) · AI Agents & Function Calling · Prompt Engineering & Evals · LightGBM · PyTorch · scikit-learn
Backend
Python 3.12 · FastAPI · SQLAlchemy 2 (async) · PostgreSQL + pgvector · Alembic migrations · Event-driven systems (Pub/Sub) · REST · OAuth · JWT
Cloud · DevOps
Google Cloud Run · GCP Pub/Sub · Cloud Storage · Secret Manager · AWS Lambda · SageMaker · Docker · Docker Compose · GitHub Actions · Cloud Build CI/CD · OpenTelemetry · Sentry
Frontend
Next.js 15 (App Router) · React 19 · TypeScript 5 · Tailwind CSS
Automation · Integrations
n8n self-hosted workflows · Vapi (voice AI) + Twilio · WhatsApp Business Cloud API · Telegram Bot API
Education
AAU
Oct 2019 to Jun 2024BSc in Software Engineering (AI Stream)
OOP, Databases, Software Development, Machine Learning, NLP, Reinforcement Learning.
10 Academy
Dec 2023 to May 2024Data Science · ML · Generative AI · Web3 (Distinction, Valedictorian)
A2SV (Africa to Silicon Valley)
Sep 2022 to Sep 2023Software Engineering Program (backed by Google)
Solved 1,000+ algorithm problems (850+ LeetCode, 200+ Codeforces).
Achievements
- ›10 Academy Cohort A, Valedictorian (with Distinction) (2024), Top of leaderboard in a 6-month intensive Machine Learning, Generative AI, Data Engineering, and Web3 program. Less than 4% of applicants completed.
- ›2nd Place, A2SV Champions League (2023), Competed against 500+ students; champions-league format with 32 finalists.
- ›3rd Place, Collegiate Programming Contest (EtCPC) (2023), Out of 80+ teams from universities across the region.
- ›Top Problem Solver, A2SV G4 Camp II (2023), Solved every camp coding challenge; 1st place top problem-solver certificate.
- ›Winner, DevFest 2022 Hackathon (2022), Hosted by Google Developers Group.