Fullstack Developer at Mavielo

Maintained and enhanced a social network app using Next.js frontend and NestJS backend. Integrated Redux and Zustand for optimized state management. Delivered bug fixes, store submissions, and UI performance improvements. Created a career timeline feature in the mobile app to visually track and showcase users' professional journey integrated with the backend. Led a complete UI redesign of the 'Elox' section with pixel-perfect implementation using Tailwind CSS, improving overall user experience.

Mobile Developer at Pigz

Delivered a multilingual food delivery app that improved user engagement. Focused on performance tuning and Expo-based delivery flow. Utilized React Navigation and git-based workflows. Oversaw the full lifecycle of the mobile app from architecture and development to deployment on Android and iOS platforms using Xcode and Android Studio. Applied Clean Code principles, SOLID practices, and software design patterns to ensure maintainability and scalability.

Mobile Developer at Globalsys

Delivered a stable, multi-language app with good performance. Participated in all app lifecycle phases including coding, testing, and deployment.

Mobile Developer at Pigz

Migrated the mobile app from Flutter to React Native, reducing maintenance costs and increasing flexibility. Developed real-time order tracking features with mobile synchronization and secure communication to improve customer satisfaction. Managed end-to-end iOS and Android app launches driving significant user base growth and ensuring app store compliance. Strengthened robustness and reliability by reducing production errors monitored by Sentry and implementing scalable database solutions.

Senior Mobile Engineer at Invillia

Contributed to a robust React Native architecture with scenes, providers, hooks, modules, helpers and feature-based folders, using styled-components, i18n and analytics tooling like Segment. Built and iterated on core features for a large-scale digital banking app, diagnosing and resolving complex production issues to ensure high reliability and performance for thousands of users. Led test automation initiatives with unit and integration tests, achieving strict coverage for every feature shipped. Migrated from class components to function components to improve readability and maintainability. Drove architecture reviews and sprint planning to translate ambiguous requirements into actionable, user-centric solutions that accelerated delivery.

Senior Mobile Architect at Confidential

Contributed to a decision-support mobile app powered by AI, helping C-level executives and business owners access insights and recommendations on the go. Implemented secure authentication with email/password and Face ID, improving login speed while preserving security. Added speech recognition to streamline interaction with the AI assistant. Refactored state management to Zustand with React Query and modernized the UI, resulting in cleaner architecture and easier maintenance.

Senior Frontend Engineer at Mavielo

Developed a social network-style mobile app for the agribusiness market using React Native, with posts including photos, videos, carousels and long-form text, plus user profiles and infinite feeds. Implemented infinite scrolling feeds with TanStack Query (React Query) and global state management with Zustand, ensuring smooth UX and responsive data loading for high-content timelines. Built an in-app chat experience with text, images, video, audio and message referencing, enabling rich conversations between users in real time. Integrated AI-assisted content creation to help users draft and format posts, and added social login to reduce friction at onboarding. Also contributed to the company’s web presence by building the institutional website in the latest Next.js version and enhancing an AI-powered agro assistant web app, following modern frontend best practices.

Senior Mobile Engineer at Woba

Rebuilt the core booking flow, improving conversion by 6% and reducing abandonment by around 3% through UX refinements, better validation and clearer error handling. Worked on a React Native real-estate / coworking app used as a corporate benefit, enabling employees to find and book shared desks and meeting rooms across partner spaces. Migrated the app from plain JavaScript to TypeScript, introduced stronger typing and improved developer experience while leveraging React Query and Zustand for caching and global state. Implemented and maintained internationalization with i18n for multiple languages, and leveraged analytics tools like Segment, Sentry , and UXCam to perform data-driven analysis of user behavior and app performance, enabling targeted improvements to key features and user experience. Supported a CI/CD pipeline on GitHub Actions, managing iOS and Android builds with Xcode and Gradle, ensuring compliance with Apple App Store and Google Play Store requirements. Authored and ma

React Native Engineer (Lead Mobile Developer) at Pigz

Led the migration of a high-traffic food delivery app from Flutter to React Native with TypeScript, making key architectural and technology decisions to align the platform with industry best practices for scalability , performance, and long-term maintainability. Delivered an end-to-end ordering experience including product discovery, cart building and checkout, with real-time order tracking over Socket.IO and live status updates for customers. Engineered platform payments integration, implementing secure credit‑card, PIX, Apple Pay and Google Pay flows that boosted checkout reliability. Collaborated with web and back-office teams across the ecosystem (merchant dashboards, web ordering, POS integrations) to keep APIs, events and analytics consistent across products. Designed REST API architecture and implemented RESTful API integrations to connect mobile features with backend services, enabling real-time data synchronization for order tracking, user authentication, and payment process

Frontend Developer at Public Defender’s Office

Supported the IT department of the state Public Defender ’s Office, maintaining and enhancing institutional web platforms used by internal teams and the general public. Maintained and updated institutional websites, ensuring content accuracy, uptime and proper functionality for key public-facing services.