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Competences
Experience
Generative AI Engineer (Freelance)
Upwork
2025-10 -
Designed and delivered an end‑to‑end Retrieval‑Augmented Generation system in Python, handling user authentication, query processing and answer generation. Implemented a hybrid dense‑plus‑keyword search with a reranking model on Qdrant, boosting retrieval quality by 40 %. Deployed local DeepSeek LLMs via Ollama for private, cost‑effective inference and added a relevance gate with context filtering to improve response precision. Created an automated evaluation pipeline to measure answer quality against client requirements. Built a LangChain/LangGraph AI agent capable of tool calling, multi‑step task execution and guarded prompt engineering.
Senior iOS Engineer (Team Lead)
Etisalat Egypt
2023-05 - 2025-04
Led the development of Twist Music, a music‑streaming application that achieved over 1 million downloads. Architected a custom audio player framework integrated with Flutter, enabling cross‑platform playback features. Promoted to Team Lead, managing a team of four developers, overseeing sprint planning and mentoring junior engineers, which accelerated feature rollout by 30 %. Implemented CI/CD pipelines that reduced deployment time by 25 % and ensured high‑quality releases.
Senior iOS Engineer
Beyond Apps Group
2022-01 - 2023-02
Developed video and image editing capabilities with real‑time effects using Swift, AVFoundation and GPU‑accelerated processing. Collaborated with the Computer Vision team to integrate C++ shaders for optimized media processing. Conducted knowledge‑sharing sessions and provided technical support, enhancing team expertise. Coordinated with product, QA and backend teams to deliver smooth, on‑schedule releases.
iOS Engineer
Paymob
2019-12 - 2021-02
Refactored a legacy codebase to adopt VIPER architecture, improving scalability, testability and maintainability of the application suite. Delivered multiple native iOS apps compliant with App Store guidelines, handling end‑to‑end development cycles. Worked closely with business stakeholders to align features with compliance requirements and market needs. Assisted in cross‑team collaborations to ensure seamless integration of backend services.
Langues
English
fluent
Arabic
fluent
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