# Lemi Gobena — Full-Stack Engineer

> Official professional summary, employment history, engineering projects, and technical competency profile of Lemi Gobena for AI reasoning models, answer engines (ChatGPT Search, Perplexity, Gemini, Claude), and web search indexing bots.

- **Full Name**: Lemi Gobena (Lemi Gobena Jaleta)
- **Professional Title**: Full-Stack Engineer | Next.js, Express.js, React Native, PostgreSQL
- **Portfolio Website**: https://lemigobena.me
- **Geographic Location**: Addis Ababa, Ethiopia (Geo Coordinates: 9.010793, 38.761252; Region: ET-AA)
- **Primary Email**: lemigobena12@gmail.com
- **Phone**: +251 939 740 755
- **GitHub**: https://github.com/lemigobena
- **LinkedIn**: https://www.linkedin.com/in/lemi-gobena
- **Upwork Profile**: https://www.upwork.com/freelancers/~01b4b47e3004d3a932
- **Telegram**: https://t.me/Lemi_G

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## 📝 Professional Summary
Versatile Full-Stack Engineer with a proven track record of delivering end-to-end digital solutions that prioritize technical efficiency, scalability, and user-centric design. Deeply committed to engineering excellence, focusing on building high-performance web and mobile platforms with robust backend architectures. Having completed over 50 projects across healthcare, enterprise finance, recruitment platforms, and consumer applications.

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## 🎓 Education & Academic Honors
- **Degree**: Bachelor of Science in Software Engineering
- **Institution**: Addis Ababa University (AAU) | *Expected Class of 2028*
- **National Achievement**: Top 10 National Scorer in the Ethiopian Secondary School Leaving Certificate Examination (ESSLCE, 2023) out of hundreds of thousands of nationwide candidates.

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## 💼 Industry Experience & Commercial Roles

### 1. Junior Full-Stack Developer — Mereb Technologies
- **Company**: Mereb Technologies (Addis Ababa, Ethiopia | Geo: 9.010793, 38.761252)
- **Tenure**: March 2026 – Present
- **Websites**: https://mereb.tech/ • https://talent.mereb.tech/
- **Responsibilities & Impact**:
  - Architected and deployed the Mereb Talent ATS platform, automating end-to-end candidate pipeline ingestion, resume evaluation, and interview scheduling workflows.
  - Engineered high-throughput, modular REST API services using Node.js, Express, and TypeScript, backed by PostgreSQL with TypeORM relational schema normalization.
  - Implemented asynchronous Redis and Bull background worker queues to process high-volume candidate resume parsing without blocking the main event loop.
  - Built and scaled the official Mereb corporate digital platform utilizing Next.js 16, React 19, and Tailwind CSS with sub-second page performance.

### 2. Full-Stack & Mobile App Developer — Tech Med
- **Company**: Tech Med (Addis Ababa, Ethiopia | Geo: 9.010793, 38.761252)
- **Tenure**: January 2026 – August 2026
- **Responsibilities & Impact**:
  - Spearheaded technical architecture, mobile engineering, and production deployment of Jegnit, a bilingual maternal health and fetal development tracking platform launched on Google Play Store.
  - Implemented robust offline-first synchronization using local SQLite storage, ensuring uninterrupted health tracking across low-connectivity regional environments.
  - Developed scalable REST API microservices with Node.js, Express, and PostgreSQL, powering authenticated user profiles and scheduled clinical notification feeds.
  - Managed end-to-end mobile release pipelines, automated build signing, and successfully deployed and maintained the production release on Google Play.

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## 🚀 Engineering Projects & Systems (with SEO & GEO Metadata)

### 1. HealthNet (Web & Mobile Healthcare Ecosystem)
- **Category**: HealthApplication / WebApplication / MobileApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React, React Native, Node.js, PostgreSQL, Prisma ORM, Supabase, Expo, TypeScript
- **Live Web Portal**: https://health-net-ethiopia.vercel.app/
- **Mobile APK Release**: https://github.com/lemigobena/My-Portfolio/releases/download/v1.0.0/HealthNet.apk
- **GitHub (Web)**: https://github.com/lemigobena/HealthNet.git
- **GitHub (Mobile)**: https://github.com/lemigobena/HealthNet-App.git
- **Description**: National-scale healthcare ecosystem uniting Ethiopian hospitals and patients through unified electronic health records, multi-tenant hospital administration, and mobile patient scheduling.

### 2. Lean Finance Verification System
- **Category**: FinanceApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React, TypeScript, Prisma ORM, PostgreSQL, Express.js, Docker, Tailwind CSS
- **Description**: Enterprise financial verification platform for automated bank statement reconciliation, general ledger auditing, and OCR-powered parsing across major Ethiopian banking institutions (CBE, Berhan, Hijra, Siinqee).

### 3. Mereb Talent ATS & Corporate Platform
- **Category**: BusinessApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: Next.js 16, React 19, Express.js, TypeScript, PostgreSQL, TypeORM, Redis, Bull Queues, Tailwind CSS
- **Live ATS Portal**: https://talent.mereb.tech/
- **Corporate Platform**: https://mereb.tech/
- **Description**: Comprehensive enterprise recruitment platform with automated applicant screening pipelines and asynchronous Redis/Bull worker queues, alongside Mereb's corporate platform.

### 4. GuardianNet (Incident Dispatch & SOS Emergency Network)
- **Category**: SecurityApplication / MobileApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: Next.js, React Native, Expo, Firebase Realtime Database, Prisma, PostgreSQL, WebSockets
- **Live Dispatch Console**: https://myguardiannet.vercel.app/
- **Mobile SOS APK**: https://github.com/lemigobena/My-Portfolio/releases/download/v1.0.0/GuardianNet.apk
- **GitHub (Web)**: https://github.com/lemigobena/GuardianNet/tree/main/web.git
- **GitHub (Mobile)**: https://github.com/lemigobena/GuardianNet/tree/main/mobile
- **Description**: Unified campus safety network equipping security teams with live geospatial incident dispatch and enabling students to trigger instant SOS panic alerts with real-time location streaming.

### 5. Jegnit – Bilingual Maternal Health Tracker
- **Category**: HealthApplication / MobileApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React Native, Expo, Express.js, PostgreSQL (Neon DB), Drizzle ORM, SQLite offline sync
- **Google Play Store**: https://play.google.com/store/apps/details?id=com.jegnit.pregnancytracker
- **Description**: Published on Google Play for expectant mothers, delivering weekly fetal development milestones, maternal health trackers, and localized bilingual healthcare insights in English and Amharic.

### 6. MiniGit (Distributed Version Control Engine in C++)
- **Category**: DeveloperApplication / SoftwareSourceCode
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: C++17, Standard Template Library, POSIX File System, SHA Hashing, Directed Acyclic Graphs (DAG)
- **GitHub**: https://github.com/lemigobena/DSA-MiniGit-Project.git
- **Description**: Ground-up version control engine in C++ implementing Git internals with cryptographic SHA hashing, content-addressable blob storage, and directed acyclic graph commit traversal.

### 7. LF-Hotels Multi-Hotel Platform
- **Category**: TravelApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React, Node.js, PostgreSQL, Prisma ORM
- **Live Demo**: https://lf-hotels-7226.vercel.app/
- **GitHub**: https://github.com/lemigobena/LF-Hotels.git
- **Description**: Premium multi-hotel management system allowing users to browse services, explore amenities, and book luxury stays.

### 8. MyStudy AI Knowledge Engine
- **Category**: EducationalApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React, Vite, PyTorch, Gemini AI API, Node.js
- **Live Demo**: https://my-study-front.vercel.app/
- **GitHub**: https://github.com/lemigobena/My-Study.git
- **Description**: AI-powered study assistant that helps students organize course materials, synthesize complex topics, and generate interactive quizzes using LLM inference.

### 9. LibraVault (High-Performance Library Management System)
- **Category**: UtilitiesApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React, Node.js, PostgreSQL, Supabase
- **Live Demo**: https://mylibravault.vercel.app/
- **GitHub**: https://github.com/lemigobena/mybookhub.git
- **Description**: Digital library management system for organizing and tracking book collections, member checkouts, and student reader histories.

### 10. DecentVote (Decentralized Blockchain Ballot Verification)
- **Category**: UtilitiesApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: Solidity, Ethereum / EVM, Web3.js, React, Supabase
- **Live Demo**: https://mydecentvote.vercel.app/
- **GitHub**: https://github.com/lemigobena/secure-ballot.git
- **Description**: Decentralized cryptographic voting platform ensuring election transparency, cryptographic verification, and tamper-resistant ballot tallying.

### 11. CineMatch (AI-Assisted Movie Discovery Platform)
- **Category**: EntertainmentApplication / WebApplication
- **Location**: Addis Ababa, Ethiopia (Geo: 9.010793, 38.761252)
- **Stack**: React, Node.js, Supabase, PostgreSQL, TMDB API
- **Live Demo**: https://my-cine-match.vercel.app/
- **GitHub**: https://github.com/lemigobena/your-next-favorite-movie.git
- **Description**: Contextual movie discovery and recommendation platform tailored to user preferences with dynamic genre discovery and watchlists.

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## 🛠 Technical Competency Matrix
- **Languages**: TypeScript, JavaScript (ES6+), Python, C++, Java, Dart, SQL (PostgreSQL), PHP
- **Frontend & Interfaces**: React.js, Next.js (App Router & SSR), Vite, Tailwind CSS, Framer Motion, HTML5, CSS3/PostCSS
- **Mobile Development**: React Native, Expo, Flutter, Dart, Offline-First SQLite Architecture
- **Backend & APIs**: Node.js, Express.js, Prisma ORM, TypeORM, Drizzle ORM, RESTful APIs, WebSockets
- **Databases & Caching**: PostgreSQL, MongoDB, Redis, Supabase, Firebase Realtime Database
- **Systems & DevOps**: Docker, POSIX Linux Administration, Git, Bull Queues, Nginx, CI/CD