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English:
Advanced
Sergey K.
Vetted by YouTeam
Poland
UTC +01:00
Europe/Warsaw
English:
Advanced
Full-stack software developer with 5+ years production development experience;
Core skills are nodeJS (Express, NestJS) and Python/Django on the backend side and React and Angular on the frontend; deep knowledge of following development technologies: HTML5, CSS3, React(Redux, Mobx, NextJS), NodeJS, Express, GraphQL (Apollo), NestJS, AngularJS and Angular 3+ (with NgRx and RxJS), Vite, Webpack, Rollup, Gulp, StoryBook, i18n, Jest, Mocha, Chai, Cypress, Docker, MySQL, PostgreSQL, MongoDB, DynamoDB, Kubernetes, Azure, AWS; experience with MVC, MVVM, MVP. Good understanding of OOP and FP; understanding of algorithms, data structures and databases; a great team player; demonstrated flexibility in adapting to changing project requirements and technologies. Quick to learn and apply new skills as needed.
Want to hire this engineer?
Check if Sergey is availableExpertise
Years of commercial development experience
5 years of experience
Core technologies
Other technologies
Project Highlights
NDA
Feb `22 - Feb `24
2 years
-
The job aggregation software is a powerful tool that simplifies the process of posting and parsing jobs to and from various job sites.The user can create a campaign that can be configured according to different parameters (vacancies, time and duration of publication, frequency, budget, advertising, target channels for publication). It leverages cloud computation and analysis capabilities to handle and process large columns of job data, enhancing overall efficiency.
Responsibilities & achievements
- Full-stack development utilizing microservice approach; - Cloud computation with Apache Spark and Databricks; - Implemented garden.io and azure services for deployment; - Developed a module for seamless import and export management of job listings; - Developed a multi tenant application.
NDA
Dec `21 - Feb `22
2 months
A web application that allows users to customize their marketing metrics and find the best way to organize their own marketing strategies using artificial intelligence. To create the user interface, a proprietary component library was used, which was expanded when additional components appeared to be able to reuse them in the future.
Responsibilities & achievements
- Full-stack development; - DB design (model schemas); - Authorization module; - Settings module; - User and organization management module; - Microservices; - Implementation BFF.
NDA
Apr `21 - Dec `21
8 months
The application is a platform for communication between people. Designed to work under high load, to communicate with millions of users. The commercial aspect is the creation of a database of users and the ability to study their preferences in order to subsequently integrate a third-party service and increase sales by targeting advertising messages. The application has a microservices structure and consists of various subprojects like the system authentication of user credentials, whose data is subsequently used by the system for automatic distribution of advertising messages, a web API for the marketing group with dashboards for data analysis, and an emergency notification system.
Responsibilities & achievements
- Full-Stack Developer; - Development of application architecture and business logic; - Google Maps integration; - Creating Custom map components; - Heroku Deployment; - Implementation of Error Tracking logic.
NDA
Jan `20 - Apr `21
1 year
The healthcare technology company aimed to revolutionize the healthcare industry by empowering payers, providers, and care partners with real-time data aggregation, seamless EHR connectivity, and dynamic dashboards and reporting capabilities. As a contributor to the development of the company, the focus was on creating data-driven solutions that would streamline forms and data processing workflows, ultimately enhancing overall efficiency and accuracy in healthcare operations.
Responsibilities & achievements
- Full-Stack Developer; - Task estimation; - Reviewing code; - Fixing defects; - Performance optimisation; - Integration with REST API; - Added notifications block using Firebase Firestore.
NDA
Aug `19 - Jan `20
5 months
This project is an effective concept for the provision of services, taking into account all the advantages of modern digital technologies. The service consists of remote assistants who can find a solution to any tasks you set, from finding a gardener to collecting information to open a subsidiary. Users can leave a request with a description of their task, and then the remote assistant will personally contact the customer, clarify the details and agree on a time frame for the service. This service guarantees confidentiality, the assistant will provide you with complete information about the product, service, etc. you are interested in, as well as find the most advantageous offer for you, save your personal time and money.
Responsibilities & achievements
- Frontend development; - Database model development; - Solving problems of the support team; - Unit and integration tests development; - Task estimations; - Optimization and code review; - Features estimating and planning; - UI responsiveness for various devices.
NDA
Jan `18 - Aug `19
2 years
Web app for managers which helps to organize events and communications inside their teams. Application provides a calendar for event management, user data representation via grids, information about clients and etc.
Responsibilities & achievements
- Frontend development; - Fixing defects; - Task estimations.
Education
Higher education in Computer Science
Agency
100-400
GMT+2
Lviv/Ukraine
Core Expertise
Industries
Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Travel & Tourism, Audio & Music, Blockchain & Cryptocurrency, Automotive
Want to hire this engineer?
Check if Sergey is available