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Habtamu Bitew Gashu
Full Stack Developer & Fintech Engineer
Habtsha2021@gmail.com +251 943 392 332 Addis Ababa, Ethiopia github.com/anonhab LinkedIn
Professional Summary

Full Stack Developer and Fintech Engineer with hands-on experience building POS payment integration systems using ISO 8583 and SPDH protocols at Etta Solutions Plc. Skilled in Java, Laravel, Angular, and Android development. Proficient in front-end technologies including HTML5, CSS3, and JavaScript for building responsive, accessible web interfaces. Based in Addis Ababa, Ethiopia; open to local and remote opportunities.

Work Experience
Full Stack Developer
Etta Solutions Plc
2025 – Present  |  Addis Ababa, Ethiopia
  • Building POS payment integration systems using ISO 8583 financial messaging and SPDH banking protocol
  • Implementing Java TCP/IP socket communication between POS terminals and payment switches
  • Handling authorization (0200/0210), reversal (0400/0410), and settlement message flows
  • Parsing primary/secondary bitmaps and mapping Data Elements (DE1–DE128)
JavaISO 8583SPDH TCP/IP SocketsPayment Systems
Software Developer Intern
Bahir Dar University
Apr 2024 – Jul 2024  |  Bahir Dar, Ethiopia
  • Developed the Clearance Management System digitizing staff and student offboarding workflows
  • Built Library Management System with Laravel and MySQL
  • Gathered requirements from stakeholders and delivered iterative releases
LaravelPHP MySQLHTML5CSS3
Independent Security Researcher
Self-Directed
2024 – 2025
  • Conducted authorized vulnerability assessments on controlled web applications
  • Identified and documented SQL injection vulnerabilities across 7 systems
  • Provided mitigation: parameterized queries, input validation, ORM adoption
Security TestingSQL Injection Vulnerability Assessment
Education
Bachelor of Science in Software Engineering
Wachemo University
2020 – 2024  |  Hossana, Ethiopia
Coursework: Data Structures, Algorithms, Operating Systems, Networking, Web Development, Mobile Development
Key Projects
Prison Information Management System
Full-featured Laravel web app managing prison operations with 10+ user roles. 186 commits, Docker-deployed. Forked by 3 external developers.
LaravelMySQL HTML5Tailwind CSSDocker
HR Management System (Angular)
Angular 8 SPA with modules for employees, recruitment, departments, and job listings.
AngularTypeScript HTML5CSS3
Smart Home Embedded System
Multi-factor door lock with RFID + PIN, servo actuation, I2C LCD, temperature sensing.
C++ArduinoIoT
Technical Skills
Frontend & Web
HTML5 HTML5 CSS3 CSS3 JS JavaScript TS TypeScript Angular Angular React React Tailwind Tailwind Bootstrap Bootstrap SASS SASS/SCSS
Backend
Java Java Spring Spring Boot Laravel Laravel PHP PHP Node Node.js Python Python
Fintech & Protocols
ISO 8583 ISO 8583 SPDH SPDH TCP/IP TCP/IP POS POS Integration
Databases
MySQL MySQL PostgreSQL PostgreSQL MongoDB MongoDB
Mobile
Android Android Flutter Flutter
DevOps & Tools
Docker Docker Git Git AWS AWS
Awards
Innovation Award — Smart Stove Project (3,000 Birr), School Innovation Competition, 2010
Languages
  • Amharic (Native)
  • English (Professional)
Soft Skills
  • Problem Solving
  • Team Collaboration
  • Agile / Scrum
  • Technical Communication
  • Self-directed Learning