I'm a full-stack developer and AI Engineer over 7 years of experiences.

Ashen Afi Mulugeta

I'm a full-stack developer and AI Engineer over 7 years of experiences.

Available to hire

I’m a full-stack developer and AI Engineer over 7 years of experiences.

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Work Experience

Senior AI/ML Engineer at Upwork
May 1, 2021 - August 1, 2025
Built 12+ production AI systems including fraud detection (Kafka + XGBoost, 5M+ daily transactions), document OCR, and LLM chatbots using LangChain and GPT-4. Led a small cross-functional team to develop customer-support automation, matured model versions, and implemented production-grade, scalable ML pipelines.
AI Annotator & QA Lead at Mindrift
December 1, 2023 - June 1, 2025
Evaluated LLM responses and search-engine results for safety, helpfulness, and factuality. Reviewed submissions from 50+ annotators and provided constructive feedback to improve quality by 35%.
Senior Backend & AI Engineer at LearnWise
June 1, 2023 - June 1, 2025
Architected and scaled a high-concurrency backend handling 10M+ monthly requests with sub-100ms latency. Transitioned from legacy monolithic to event-driven microservices using FastAPI, Go, Kafka. Implemented Postgres data stores and secure multi-tenant architecture.
Full Stack Developer at Study Buddy
September 1, 2020 - August 1, 2021
Built a real-time collaboration platform with WebSocket chat, Pomodoro timers, Jitsi meetings, and streak analytics. Integrated Chapa payments, JWT + Google OAuth, API throttling, and caching.

Education

BSc Informatics and Computer Science at Strathmore University
March 1, 2014 - August 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Professional Services, Computers & Electronics