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Schedule Interview NowMy name is Markiian I. and I have over 2 years years of experience in the tech industry. I specialize in the following technologies: Web Application, Android App Development, iOS Development, Ecommerce, React Native, etc.. Some of the notable projects I’ve worked on include: Large-scale, multi-user platform, Delivery app, Job Search platform, 🛍️ Marketplace, MVP Development and Full Website Creation for Booking Platform 📅, etc.. I am based in Lviv, Ukraine. I've successfully completed 10 projects while developing at Softaims.
Information integrity and application security are my highest priorities in development. I implement robust validation, encryption, and authorization mechanisms to protect sensitive data and ensure compliance. I am experienced in identifying and mitigating common security vulnerabilities in both new and existing applications.
My work methodology involves rigorous testing—at the unit, integration, and security levels—to guarantee the stability and trustworthiness of the solutions I build. At Softaims, this dedication to security forms the basis for client trust and platform reliability.
I consistently monitor and improve system performance, utilizing metrics to drive optimization efforts. I’m motivated by the challenge of creating ultra-reliable systems that safeguard client assets and user data.
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A large-scale international streaming platform that provides movies, series, TV channels and real-time broadcasts. I contributed to building core video streaming functionality. I worked extensively with JavaScript, TypeScript, React and Node.js, Express.js to implement client- and server-side features, while leveraging AWS services and PostgreSQL for scalability. I integrated authentication and secure payment flows with Stripe, enabling users to access premium content easily. I also implemented WebSocket-based real-time communication for live streams and interactive features.
A Dutch food delivery platform, offering users the ability to order from a wide range of local restaurants. I led the development of the mobile app from scratch, utilizing React Native CLI, Material UI to deliver a high-performance experience on iOS & Android. I implemented real-time order tracking and notifications using WebSockets, integrated Google Maps for precise restaurant and delivery location mapping and utilized Supabase for authentication and real-time data synchronization. For payment processing, I integrated Stripe. The app was successfully deployed on Google Cloud Platform
One of the most popular job search platforms in Singapore, connecting thousands of employers and job seekers. I worked as Frontend Developer using Next.js, Material UI and TypeScript to deliver a scalable and high-performing application used daily by a large audience. I implemented advanced filtering and search functionalities powered by Redux for state management. I built secure authentication flows, integrated real-time chat features between recruiters and job seekers. Additionally, I optimized the platform for SEO and performance by leveraging Next.js SSR and best practices.
It is a global online marketplace specializing in fast fashion, offering a wide range of apparel, accessories and home goods. I was responsible for building and maintaining the platform’s front-end using React, TypeScript and Tailwind CSS. I also worked on the back-end, developing RESTful APIs with Express.js and integrating PostgreSQL for efficient data management. Additionally, I implemented payment systems like Stripe, Apple Pay/Google Pay. My role also involved setting up and managing cloud infrastructure on AWS to support the scalability and reliability of the platform.
I was solo developer on this a platform for vacation rental bookings, because I was on the stage an MVP from scratch. On the frontend, I worked with Next.js to build the UI, implement interactive filters by location, price and property type, and integrate Google Maps API along with availability calendars. On the backend with Express.js, I developed authentication flows, integrated Calendar API, managed filtering logic with dynamic data, and built database interactions using PostgreSQL. I also contributed to implementing a customer support ChatBot to enhance user experience.