Enger Mishaal

AI Lead Developer & Solutions Architect

NOVA X QUANTUM • Temps plein

Jul 2025 - Present • 1 yr 4 mos

Led the architecture and development of AI-powered products from planning to production, owning key technical decisions across the mobile, backend, and AI layers. Worked with clients and stakeholders to turn business ideas into reliable, scalable solutions. Key Responsibilities: Designed end-to-end system architecture for AI applications, covering mobile apps, backend services, databases, and cloud infrastructure Built voice AI agents and automation workflows, integrating LLM APIs and platforms like Retell AI Developed secure, scalable REST APIs using Node.js (Express/NestJS) and Python (FastAPI) Designed and managed databases with PostgreSQL and Supabase, including schema design and query optimization Automated billing, subscriptions, and payment flows with Stripe Built Flutter mobile apps connected to AI and backend services Containerized and deployed services with Docker for consistent, reliable releases Leadership: Led developers, assigned tasks, reviewed code, and set coding standards Converted client requirements into clear technical plans, milestones, and delivery timelines Chose tools and frameworks based on performance, cost, and scalability Quality & Performance: Optimized API response times, app speed, and AI usage costs Applied security best practices, including authentication, data protection, and safe API key handling Set up testing, logging, and monitoring to catch issues early Achievements: Delivered multiple AI-powered products from idea to launch Improved scalability and reliability through stronger architecture and automation Reduced manual work for clients by automating calls, billing, and workflows Technologies: Flutter, Dart, Node.js, NestJS, Python, FastAPI, PostgreSQL, Supabase, Docker, Stripe, Retell AI, LLM APIs, Git

Senior Flutter Developer

DevEntia Tech • Temps partiel

Aug 2024 - Present • 2 yrs 3 mos

Worked as a Senior Flutter Developer, building and maintaining high-quality cross-platform mobile apps for Android and iOS using Flutter and Dart from a single codebase. Key Responsibilities: Designed and developed complete mobile apps from scratch, from planning and UI implementation to final release Built clean, scalable app architecture using state management solutions such as Bloc, Provider, or GetX Integrated REST APIs, Firebase, and third-party services, including authentication, push notifications, and payments Converted Figma designs into smooth, responsive screens with custom animations Worked closely with backend developers, designers, and project managers to deliver features on time Added AI-powered features such as chatbots and automation through API integration Quality & Performance: Tested apps thoroughly, fixed bugs, and optimized speed and memory use Reviewed code and followed best practices to keep the codebase clean and easy to maintain Used Git and GitHub for version control and team collaboration Deployment: Prepared and published apps to the Google Play Store and Apple App Store, handling build setup, signing, and review requirements Provided updates and ongoing support after launch Achievements: Delivered multiple apps that run smoothly on both Android and iOS Improved app performance and user experience through optimization and regular updates Tools & Technologies: Flutter, Dart, Firebase, REST APIs, Node.js, VS Code, Android Studio, Xcode, Figma, Git

AI mobile app developer

VisionCode Technologies • Temps plein

Feb 2022 - Sep 2026 • 4 yrs 7 mos

𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 & 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀 I’m a Flutter developer who has built and launched many mobile apps for clients around the world. Over the years I’ve worked on everything from simple MVPs for startups to full-featured apps for growing businesses, and I know what it takes to take an app from idea to a live release. 𝗪𝗵𝗮𝘁 𝗜’𝘃𝗲 𝗕𝘂𝗶𝗹𝘁: Social media and chat apps Food delivery and taxi/ride-hailing apps Booking and rental apps Health and fitness apps Live streaming and event management apps Business apps with admin panels AI-powered apps with chatbots, voice features, and automation 𝗪𝗵𝗮𝘁 𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗚𝗶𝘃𝗲𝘀 𝗬𝗼𝘂: Clean, scalable code that’s easy to update later Smooth performance on both Android and iOS Smart handling of Firebase, REST APIs, and backend setup Apps that pass App Store and Play Store review Clear communication and on-time delivery I’ve learned from every project what works and what doesn’t, so I can guide you away from common mistakes and save you time and money. Whether you’re launching your first app or improving an existing one, I bring real experience to get it done right.