Valeria – Next.js, React, Node.js

This project has both web and mobile platform apps for posting and searching advertisements across different categories, from real estate to household goods. Key functionalities enable users to create, edit, and delete ads, with optional promotion features and extended posting limits for an additional fee. Advanced search filters, a built-in chat, and a favorites list enhance user experience.

• Implementing new features and designs using React Final Form and GraphQL;
• Adding OneSignal push notifications to mobile apps;
• Refactoring and improving legacy code;
• Writing Jest and Cypress tests;
• Collaborating with developers, project managers, designers, and DevOps;
• Managing tasks in Basecamp;
• Conducting thorough developer testing.

An interactive map of the world featuring maritime incidents for companies engaged in sea freight and passenger transport. The platform includes an admin panel, empowering users to add new incidents and vessels to the map. Leveraging the information on the map, users can plan the most optimal routes for their ships and track their fleet in real-time.

• Built a comprehensive admin panel with a user-friendly interface, enabling administrators to manage and update incident and vessel data on the map;
• Migrated all core functionalities from the legacy WordPress version to a new React-based application, improving responsiveness and user experience;
• Integrated APIs to support real-time vessel tracking, allowing users to monitor fleet movements directly on the map;
• Oversaw the full development lifecycle, from planning and building the admin panel to modernizing the tech stack and enhancing overall platform functionality.

The application helps quickly deliver impactful, enjoyable, and interactive training and dynamic phishing simulations. With hundreds of captivating videos and weekly updates, ensure that customers’ team stays up-to-date with the newest cybersecurity threats. App consisted of several parts, a backend, split into multiple microservices, and frontend standalones: an admin panel, super admin panel, a learner app, and a ctf app.

• Specializing in developing server-side rendered applications;
• Collaborating closely with cross-functional teams;
• Build robust APIs, adhering to RESTful design principles and best practices;
• Conducting code reviews and providing constructive feedback to team members to ensure code quality and adherence to best practices.;
• Implementing automated testing strategies using Jest and React Testing Library to maintain code reliability and facilitate continuous integration and delivery pipelines;
• Contributing to the architectural design and technical roadmap of the application, proposing innovative solutions to address complex business requirements;
• Mentoring junior developers, sharing knowledge and expertise to foster a collaborative and learning-oriented team environment;
• Participating in technology evaluations and prototyping new features or integrations to drive innovation and maintain competitive advantage.

A web application designed to help diving enthusiasts discover and explore diving spots around the world. It provides divers with comprehensive information about each diving location, including dive site descriptions, underwater photographs, user ratings, and reviews. The product aims to enhance the diving experience by enabling divers to easily locate and plan their next underwater adventure.

• Built frontend app from scratch: choose appropriate technologies, setup style themes and configs;
• Collaborated closely with cross-functional teams to gather requirements and translate them into technical specifications for the platform;
• Designed and implemented robust APIs to facilitate communication between the frontend and backend systems;
• Participated in Agile methodologies, including daily stand-ups, sprint planning, and retrospectives, to iteratively deliver features and address emerging requirements;
• Resolved performance bottlenecks and optimized application performance;
• Collaborated with UX/UI designers to implement responsive and visually appealing user interfaces using Material UI, enhancing the overall user experience;
• Conducted automated testing using Jest and React Testing Library to ensure code reliability and maintainability;
• Cultivated seamless communication channels with clients, providing regular updates, soliciting feedback, and addressing concerns promptly to ensure client satisfaction and project success.

A comprehensive e-commerce platform designed to empower businesses of all sizes to establish and manage their online stores seamlessly. With an intuitive user interface, powerful features, and customizable templates, it offers a one-stop solution for merchants to showcase their products, process orders, and drive sales.

• Collaborating closely with designers and clients to transform design concepts into fully functional e-commerce solutions;
• Implemented dynamic front-end interfaces using React and Bootstrap, ensuring responsiveness and optimal user experience across devices.;
• Developed custom back-end APIs using Node.js and Express.js to handle product catalog management, user authentication, and order processing functionalities;
• Integrated third-party payment gateways and shipping APIs to facilitate secure payment transactions and streamlined order fulfillment processes;
• Utilized MongoDB to design and optimize database schemas for efficient data storage and retrieval, supporting scalable growth and performance;
• Leveraged jQuery for DOM manipulation and event handling, enhancing interactivity and functionality on the client-side;
• Implemented comprehensive testing strategies using Jest and Enzyme to ensure code quality, reliability, and adherence to project requirements.