Senior Software Engineer & Team Lead with 10+ years of experience, including work in Fortune 500 environments, delivering scalable web, mobile, and cloud solutions. Skilled in leading cross-functional teams and driving full lifecycle software projects from concept to deployment.

2025 — NowEfkan WorksIndependent Consultant & Hush

2025 — Now

Dublin, CA

Established an independent consultancy focused on transitioning traditional software workflows to AI-First architectures. Operating under the brand "Efkan Works" to design, build, and deploy cloud-native mobile solutions.

Production-Grade App Development: Architecting and deploying cross-platform mobile apps (e.g., Hush) to App Store & Google Play. Expert implementation of RevenueCat for hybrid monetization models and robust CI/CD pipelines.

Engineered an "Offline-First" AI architecture: Developed a React Native (CLI) baby monitor app utilizing on-device machine learning (TensorFlow Lite) for zero-latency, privacy-compliant smart cry detection without cloud audio processing.

Architected a serverless multi-parent pairing system: Built an anonymous, cross-device pairing architecture using Firebase (Anonymous Auth, Firestore, Cloud Functions), enabling sub-second FCM push notifications without requiring mandatory user accounts.

Led full-cycle product development: Managed the entire lifecycle from UI/UX design (implementing a dark-mode, melatonin-safe color system) to RevenueCat subscription integration and automated CI/CD deployment via Fastlane.

Developing agentic workflows utilizing Claude Code and Antigravity to automate coding tasks and improve developer velocity.

2022 — 2025Monster NotebookTeam Lead Software Engineer

2022 — 2025

Istanbul, Turkey

As a Team Lead Engineer, I oversaw the development of several key applications, including a mobile e-commerce app, a support platform, a survey application, and the Monster Ambassador Program application.

Furthermore, I contributed to the development of a front-end control center application for Monster Notebook customers, enabling them to access hardware features.

Additionally, I spearheaded the development of an AI Chatbot application, although its product was subsequently suspended due to the rapid advancements in AI technology.