Bethlehem Mamo

Research Assistant at UC Berkeley – ACM FAccT 2024 (DEI Scholarship Awardee)

Audited 3 MT datasets (Af an Oromo, Amharic, Tigrinya) with 1M+ sentences, exposing systematic gender imbalances.

Research Assistant at ACM FAccT 2024

Applied LDA on 50k+ samples, uncovering gender themes and stereotypes.

Lead Hackathon Organizer at Africa's Largest Hackathon (A2SV) – Impact Hackathon 2024

Organized Africa's Largest Hackathon, attracting 4,900+ applicants from 1,000+ universities across 48 African countries.

CTO & Lead Backend Engineer at Ali T Investments Ltd

Led a cross-functional team of 8 engineers to design, build, and launch a product-ready matchmaking platform within 12 months. Architected and delivered 130+ NestJS APIs powering matchmaking, onboarding chat, and authentication, enabling seamless user experiences. Optimized performance, reducing response times by 40% via Redis caching and real-time monitoring. Integrated OAuth 2.0 authentication with Google and Facebook, boosting sign-up rate by 15%.

Research Assistant at ACM FAccT

Audited MT datasets (Afaan Oromo, Amharic, Tigrinya) with 1M+ sentences to reveal gender imbalances; applied LDA on 50k+ samples to surface gendered themes; analyzed 200k+ verb forms using Horn Morphology for gender marking in grammar; built preprocessing pipelines for 1M+ tokens and co-authored findings highlighting underrepresentation of women’s names and negative stereotypes.

Lead Hackathon Organizer at Africa's Largest Hackathon (A2SV) – Impact Hackathon

Organized a multi-stage continental competition, managing 1,118 teams and driving 690+ AI-powered project ideas. Oversaw Quarterfinals, Semifinals, and Grand Final, narrowing to 32 semifinalist teams from 15 countries and ultimately 8 finalist teams representing 7 African nations. Coordinated with 86 mentors/advisors from Google, Meta, LinkedIn, TikTok, Huawei, providing world-class guidance. Delivered 10+ workshops on AI, Git/GitHub, and UI/UX; led 50+ coordinators and advisors across Africa; secured a $30k prize pool.

CTO & Lead Backend Engineer at Ali T Investments Ltd

Led a cross-functional team of 8 engineers (backend, DevOps, cybersecurity) to design, build, and launch a production-ready matchmaking platform within 12 months. Architected 130+ NestJS APIs powering matchmaking, onboarding, chat, and authentication. Optimized performance, cutting response times by 40% and reducing downtime by 30% with real-time monitoring via Prometheus, Grafana, and Node Exporter. Integrated OAuth 2.0 authentication with Google and Facebook. Secured a $30k prize pool to fund finalist travel and support Africa’s innovation ecosystem.

CTO & Lead Backend Engineer at Ali T Investments LTD

Led a cross-functional team of 8 engineers (backend, DevOps, cybersecurity) to design, build, and launch a product-ready matchmaking platform within 12 months. Architected 130+ NestJS APIs powering matchmaking, onboarding, chat, and authentication; integrated OAuth 2.0 authentication with Google and Facebook; boosted sign-up rate by 15%. Optimized performance with Redis caching and implemented real-time monitoring via Prometheus, Grafana, and Node Exporter, reducing downtime by 30%.

Lead Hackathon Organizer at Africa's Largest Hackathon (A2SV) - Impact Hackathon

Organized a multi-stage intracontinental competition, coordinating 1,118 teams and 690 project ideas, narrowing to 32 semifinal teams from 15 countries and 8 finalists representing 7 African nations. Coordinated 86 mentors/advisors from global tech leaders (Google, Meta, LinkedIn, TikTok, Huawei) and delivered 10+ workshops on AI, Git/GitHub, UI/UX. Secured a $30k prize pool and facilitated global visibility for Africa's innovation ecosystem.

Research Assistant at University of California, Berkeley (DEI Scholarship Awardee)

Audited 3 MT datasets (Afan Oromo, Amharic, Tigrinya) with 1M+ sentences, exposing systematic gender imbalances. Applied LDA on 50k+ samples to uncover gender themes and stereotypes. Analyzed 200k+ verb forms with Horn Morphology grammar. Ran 10k+ predictions with AfricaFER Ta & AfroXLMR to measure contextual gender bias. Built preprocessing pipelines for 1M+ tokens, automating data cleaning and normalization. Co-authored findings highlighting underrepresentation of women’s names and negative stereotypes.

Founder / Project Lead at Blood Link

AI-powered blood demand forecasting and donation system linking hospitals, blood banks, and donors. Developed 80+ FastAPI endpoints and a Flutter app with 10+ core features (scheduling, track/trace, emergency alerts). Deployed an LSTM model on Hugging Face for demand forecasting. Expanded dataset from 1.7k to 19k samples, significantly boosting model performance. Ensured OpenEMR compliance and secured OpenID Connect via Google/Facebook for 3 user types across web and mobile. Led 50+ coordinators across Africa and secured a $30k prize pool to energize Africa’s innovation ecosystem.

Research Assistant (ACM FAccT 2024 DEI Scholar Awardee) at University of California, Berkeley

Audited 3 MT datasets (Afan Oromo, Amharic, Tigrinya) with 1M+ sentences, exposing systemic gender imbalances.

CTO & Lead Backend Engineer at Li Investments LTD

Led a cross-functional team of 8 engineers to design, build, and launch a product-ready matchmaking platform within 12 months. Architected and delivered 130+ NestJS APIs powering onboarding, chat, and authentication; optimized performance; implemented OAuth 2.0; improved onboarding.

Lead Hackathon Organizer at Africa's Largest Hackathon (A2SV AI for Impact Hackathon)

Organized multi-stage intra-continental competition; managed 1,118 teams and 690+ AI-powered project ideas; oversaw quarterfinals, semifinals, and grand finale; coordinated with mentors from Google, Meta, LinkedIn, TikTok, and Huawei; delivered 10+ workshops; led 50+ coordinators; secured a $30k prize pool.