
Ozan Effendi
AI Engineer Building AI Agents RAG Systems FastAPI APIs and Flutter Apps
Skills

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Portfolio
Work experience
Teacher
Arena Animation • Part-time
Apr 2026 - Jul 2026 • 3 mos
Proud to share a meaningful professional milestone. At 17, I had the opportunity to teach a Backend Web Development batch at Arena Multimedia, covering Python, FastAPI, Data Structures and Algorithms, Object Oriented Programming, APIs, and core backend concepts. The experience strengthened my technical communication, leadership, and mentoring skills, while the positive feedback from the batch made it even more rewarding. Grateful to Arena Multimedia for trusting me with this responsibility and giving me the opportunity to share my knowledge at such an early stage in my career.
AI Backend Developer
Rappada Labs • Full-time
May 2025 - Dec 2025 • 7 mos
Worked as an AI Backend Developer at RappadaLabs, building and developing multiple AI-powered applications and backend systems. Designed scalable APIs and integrated AI models using Python and FastAPI. Developed RAG systems, AI chatbots, automation workflows, database integrations, and LLM-powered applications. Focused on clean architecture, API development, system integration, and building reliable solutions for real-world use cases.
AI Website Automation
Upwork • Freelance
Jul 2025 - Sep 2025 • 2 mos
Developed and automated the ExamWalk website with AI-powered features and intelligent workflows. Integrated AI automation to streamline website operations, improve user experience, and reduce manual tasks. Built backend functionality, connected APIs and automated repetitive processes to create a more efficient and scalable platform.