09/15/2025 updated
100 % available
React/Node.js Expert
Florina, Greece
Only remote
Computer Science, University of Peloponneses, BEAbout me
Senior MERN Stack Developer with 8+ years of experience building scalable web applications and complex REST APIs. Expert in MongoDB, Express.js, React, and Node.js, with strong communication, teamwork, and agile development skills.
JavaScriptAgile MethodologyAtlassian JiraHTML5Bootstrap (Software)Cascading Style Sheets (CSS)DatabasesDebuggingDevOpsWeb DevelopmentGitHubLaravelPostgreSQLMongoDBMySQL
Summary
Senior MERN Stack Developer with 8+ years of experience in full-stack web development, with a strong focus on JavaScript-based technologies including MongoDB, Express.js, React.js, and Node.js. Skilled in designing and building responsive, scalable applications and complex REST APIs. Excellent communication and teamwork skills, experienced in agile environments and passionate about delivering high-quality software solutions.
Technical Skills
Senior MERN Stack Developer with 8+ years of experience in full-stack web development, with a strong focus on JavaScript-based technologies including MongoDB, Express.js, React.js, and Node.js. Skilled in designing and building responsive, scalable applications and complex REST APIs. Excellent communication and teamwork skills, experienced in agile environments and passionate about delivering high-quality software solutions.
Technical Skills
- Frontend: React.js, Redux, Next.js, Vue.js, HTML5, CSS3, Tailwind CSS, Bootstrap, Material UI
- Backend: Node.js, Express.js, RESTful APIs, Socket.io, JWT Auth
- 3D & Visualization: WebGL, Three.JS, Pixi.JS, GSAP
- Database: MongoDB, Mongoose, MySQL, PostgreSQL
- DevOps & Tools: Git, GitHub, Docker, Jenkins, Nginx, PM2, Vercel, Netlify
- Testing & Debugging: Jest, Mocha, Cypress, Postman
- Other: Agile, Scrum, Jira, Figma, REST API, WebSocket, TypeScript
Experience
Professional experience5 - 10 years
Freelancer since2020
Languages
EnglishFluent
Project history
- Developed and maintained interactive React applications for geospatial data visualization.
- Built reusable UI components with React, integrated REST APIs with Axios and Redux.
- Improved performance of data-heavy components, reducing load times by 30%.
- Implemented end-to-end testing using Cypress.
- Worked closely with backend and DevOps teams to deploy microservices and enhance system
- scalability.
- Build Food plan PWA (https://app.tortija.de) using React + Tailwind, Firebase, Node.js/Express.
- Rebuilding iF design website (https://ifdesign.com/) using Gatsby.js and Contentful CMS.
- Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
- Built the payment gateway including cardpay, certegy and paypal, etc using Node.js and serverless/terraform, AWS S3 lambda function and dynamoDB, S3 Bucket and SecretManager, etc.
- Develop the shopify application to create very fast the size chart that the users need pre-defined templates using Node.js, Express, Vue.js, Vuex, MySQL, Prisma and Liquid language.
- Rebuilding iF design website (https://ifdesign.com/) using Gatsby.js and Contentful CMS.
- Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
- Built the payment gateway including cardpay, certegy and paypal, etc using Node.js and serverless/terraform, AWS S3 lambda function and dynamoDB, S3 Bucket and SecretManager, etc.
- Develop the shopify application to create very fast the size chart that the users need pre-defined templates using Node.js, Express, Vue.js, Vuex, MySQL, Prisma and Liquid language.
- Designing and redesigning the screens of the Repeat Native Application.
- Integrate Google Firebase and Google Map API.
- Integrate Restful API.
- Upgrade Native App and React Native Application to Flutter Application.
- Integrate Google Firebase and Google Map API.
- Integrate Restful API.
- Upgrade Native App and React Native Application to Flutter Application.