MongoDB for Node.js developers

Programming for Everybody (Python)

Server side development with NodeJS

Responsive Web Design Projects

Front-End Web UI Frameworks and Tools

HTML, CSS and JavaScript

Multiplatform Mobile App Development with Web Technologies

Supervised Machine Learning: Regression and Classification

Front-End JavaScript Frameworks: AngularJS

Full Stack Web Development Certification

Development and maintenance of Single-Page Applications using React.js.
Integrating applications with RESTful APIs.

Experience include JavaScript (ES6), React.js, Redux, Next.js, Thunk, Saga, Styled-Components, Storybook, HTML5, CSS3

Frontend Developer

Personal mission: Seeking witnesses to a serious crime.
Open Letter: https://ostefani.dev/seeking-justice

Seeking justice

Development of interactive content for CLM platforms;

Experience include JavaScript / ES6, CSS3, Sass, HTML5, Gulp

Development and maintenance of Web Applications using Next.js, Node.js, MongoDB.

Experience includes JavaScript (ES6), React.js, Next.js, Styled-Components, Node.js, Docker.

Full Stack Engineer

Working for German fintech project. The multi-tenant platform offered service packages for core processes like client relationship management, online acquisition and coverage, onsite advisory support, portfolio management, reporting, invoicing, online client access and communication as well as third-party connections.

Developed and maintained web applications using React, Next.js, Node.js, and MongoDB.
	•	Successfully completed a comprehensive project over 706 hours with rate of 5.
	•	Collaborated with clients.

Experience include HTML5, CSS3 JavaScript (ES6), Gulp, Sass

Freelance Web Developer

Working on approval application for dealership to handle customers data and credit options.
Working on roof builders project that allows to to draw templates of roofs, calculate materials and expenses for customers.
- Implemented technical tasks
- Communicated with management and colleagues.

Skill management software. The tools helped analyze employee development needs and level up potential to provide a win-win situation for both employers and employees.

<p>Architected and deployed a multilingual platform combining a WebGL2-based portfolio, SEO-focused technical blog, and an advocacy platform to publicly expose crimes for which police closed the case as unfounded, and seek justice as a victim. - Developed set of localized Next.js and React applications. - Built a custom WebGL 2 visualizations integrated with Next.js to create a portfolio. - Deployed the applications to a Linux server with Docker and Nginx. - Configured a CI/CD pipeline with Husky git-hooks for reliable deployment. - Secured the platform using Cloudflare edge services. - Deployed mirror sites to maintain high availability and content persistence during disruptions. - Optimized platform visibility on search engines through structured content, meta tags and sitemap. - Achieved SEO growth to 11.1k impressions and average Google position of 8.7 within 28 days.</p>

Full-stack developer with a passion for visualizations.

medium

Know about Olha Stefanishyna's work experience, education, and much more. Olha Stefanishyna