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Location

Ukraine

Rate

$45  / per hour

Years of experience

6+

About

Highly skilled Full Stack Node.js Developer with extensive experience in developing robust backend systems, web, and mobile applications. Specializing in utilizing a variety of cutting-edge technologies, including React.js, Nest.js, React Native, Docker, Express, and both SQL and NoSQL databases. In addition to proficiency in full stack development, possesses a deep understanding of cloud infrastructure technologies. Adept at working with Google Cloud Platform (GCP), Amazon Web Services (AWS), and Infrastructure as Code (IaC) using Helm charts and Kubernetes (k8s). A proven track record of deploying, managing, and optimizing applications across diverse cloud environments, ensuring high performance and scalability. With a commitment to staying at the forefront of technology and best practices, brings a blend of technical expertise and practical experience to every project. The ability to integrate and optimize complex systems makes an invaluable asset to any development team.

Tech Stack

Node, AWS, C++, Express.js, GCP, JavaScript, NestJS, Node.js, Python, React, React Native, React.js, Redux, Typescript

Experience

  • Enhanced the technological framework for a leading fintech company specializing in Know Your Customer (KYC) and Customer Due Diligence (CDD) services, helping global banking clients meet strict regulatory standards.
  • Transitioned the existing AWS serverless solution to a more scalable, maintainable NestJS platform-agnostic system.
  • Developed and maintained a mobile app and backend microservices for over 50 sports clubs in Sweden and Norway.
  • Utilized the Nest.js framework in a Node.js environment, deploying to Google Kubernetes Engine (GKE) for reliable, scalable infrastructure.
  • Built the mobile app with React Native, catering to individual club needs while maintaining a unified codebase across platforms.
  • Developed a responsive web application using React.js, ensuring a seamless user experience across platforms.

Employment history

Senior Software Engineer, Ciklum August 2023 - since

At a leading fintech company specializing in Know Your Customer (KYC) and Customer Due Diligence (CDD) services, I significantly enhanced the technological framework to help global banking clients meet strict regulatory standards. My key role involved transitioning our existing AWS serverless solution to a more scalable, maintainable NestJS platform-agnostic system. I also integrated Kafka and Redis for efficient event handling and data processing, and implemented OpenSearch to improve the accuracy and efficiency of transaction data searches. In collaboration with a team of 10, I aligned technological enhancements with business goals, conducted detailed code reviews, and developed comprehensive unit and end-to-end tests using Jest and Cucumber.

Full Stack Developer, The Fan Group AS May 2021 - August 2023

Our team developed and maintained a mobile app and backend microservices for 50+ sports clubs in Sweden and Norway. The white label product included features like news feeds, match stats, sponsors list, special offers, and an e-commerce platform. We used the Nest.js framework in a Node.js environment, deploying to Google Kubernetes Engine (GKE) for reliable, scalable infrastructure. The mobile app was built with React Native, enabling us to cater to individual club needs while maintaining a unified codebase across platforms. We also used React.js to build a responsive web application, offering users a seamless experience across platforms. Our tech solutions combine innovation and efficiency, serving as an essential tool for club operations and fostering engagement among clubs and supporters.

Full Stack Developer, Abbitsoft Consulting November 2020 - May 2021

Developing a customized food delivery application involves creating a user-friendly website, an intuitive ordering app, a practical vendor application, and a robust backend solution using Node.js. The ordering app, built on React Native, is designed with user satisfaction in mind, providing a seamless and responsive ordering experience. In contrast, the vendor application, which helps food providers manage their orders in real-time, ensures efficient order handling with its cutting-edge design and effective communication channels. The backend is powered by Firebase, enabling advanced user authentication and real-time notifications, ensuring a secure and interactive experience for all users. After rigorous testing, both applications have been successfully deployed on Google Play Store and Apple App Store, making this food delivery solution globally accessible.

Fullstack Developer, Freelance Developer January 2020 - November 2020

As a freelance developer, I’ve worked with diverse clients, developing both front-end applications and back-end solutions using Express, always maintaining close communication with my clients and adhering strictly to designs. I’ve completed several notable projects, a selection of which are included in my portfolio. The Transfigure app, a social media platform for sharing quotes, allows users to connect with friends, block others from viewing their posts, and receive notifications of friend activity. It boasts a dynamic post search feature and user personalization through picture attachment and font customization. Another project was an application that connects users with local events, enabling event creation with parameters such as entrance fee, guest limit, and age restrictions. The app integrates social login and the Google Places API for a more comprehensive experience. A significant project aimed to aid older individuals in chronic pain recovery. This app streams categorized videos fetched dynamically from the web, offering user authentication and auto sign-in features. In sum, these projects demonstrate my broad skills and experience in app development, always aimed at enhancing user experience and functionality.

Full Stack Developer, Logos Offshore October 2018 - January 2020

Our team developed a robust mobile and web app suite for internal use, aimed at optimizing our shipbuilding company’s extensive warehouse management. This dynamic platform enhances efficiency, reduces errors, and boosts productivity by facilitating the process of equipment rental by employees. We built the mobile application using React Native for its cross-platform compatibility and high performance, ensuring accessibility for all employees. The web application, providing a similar user experience, allows seamless transition between platforms. On the backend, we utilized Node.js to create an agile and secure infrastructure capable of handling high volumes of requests without compromising performance. In summary, this application suite symbolizes our commitment to leveraging advanced technology to streamline operations, improve employee experience, and elevate our shipbuilding business’s efficiency.

Education history

Control systems engineering and robotics, Gdańsk University of Technology October 2017 - November 2021 Computer science studies
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CEO OF ORANGE CHARGER LLC;

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