10/03/2025 updated


100 % available
Experienced Full-Stack Developer with React, Node.js and Java Expertise
Barcelona, Spain
Only remote
Vordiplom Wirtschaftsingenieurwesen, Technische Universitaet Berlin. BA Business FH MuensterAbout me
Both the backend with Node.js, and Java as well as the frontend with JavaScript, React and CSS are interesting to me
Web InterfacesJava (Programming Language)JavaScriptPHPAgile MethodologyAmazon Web ServicesAmazon Elastic Compute CloudAtlassian ConfluenceAtlassian JiraHTML5Bootstrap (Software)Cascading Style Sheets (CSS)Cloud ComputingContinuous IntegrationD3.Js
Full-Stack Web Development
Expertise in developing user-friendly web interfaces with React.js, Redux, and modern JavaScript frameworks. Proficient in implementing back-end systems using Node.js, Express, Java, and PHP.
Database Management
Experience with relational databases like MySQL, PostgreSQL and NoSQL solutions such as MongoDB and Cassandra. Skilled in database optimization, data structures, and efficient query implementation.
Cloud & DevOps
Knowledge of AWS services including EC2, Route 53, EKS, and Lambda. Implementation of CI/CD pipelines using Jenkins and GitLab. Experience with containerization using Docker and Kubernetes.
Agile Development
Experience with SCRUM methodology and project management tools like Jira and Confluence. Ability to work in team environments while maintaining independent responsibility.
API Development
Proficiency in creating and consuming RESTful APIs, integrating third-party services, and implementing GraphQL interfaces for efficient data exchange.
Front-End Technologies
Skills in HTML5, CSS3, TypeScript, Bootstrap, and responsive design principles. Experience with modern frameworks and libraries including Vue.js and Angular.
Data Visualization
Creation of interactive data visualizations using D3.js, Canvas, and other graphical libraries. Development of dashboards and reporting interfaces.
Expertise in developing user-friendly web interfaces with React.js, Redux, and modern JavaScript frameworks. Proficient in implementing back-end systems using Node.js, Express, Java, and PHP.
Database Management
Experience with relational databases like MySQL, PostgreSQL and NoSQL solutions such as MongoDB and Cassandra. Skilled in database optimization, data structures, and efficient query implementation.
Cloud & DevOps
Knowledge of AWS services including EC2, Route 53, EKS, and Lambda. Implementation of CI/CD pipelines using Jenkins and GitLab. Experience with containerization using Docker and Kubernetes.
Agile Development
Experience with SCRUM methodology and project management tools like Jira and Confluence. Ability to work in team environments while maintaining independent responsibility.
API Development
Proficiency in creating and consuming RESTful APIs, integrating third-party services, and implementing GraphQL interfaces for efficient data exchange.
Front-End Technologies
Skills in HTML5, CSS3, TypeScript, Bootstrap, and responsive design principles. Experience with modern frameworks and libraries including Vue.js and Angular.
Data Visualization
Creation of interactive data visualizations using D3.js, Canvas, and other graphical libraries. Development of dashboards and reporting interfaces.
Languages
GermanNative speakerEnglishNative speakerSpanishNative speaker
Project history
Java and SAP Development for Berlin. Development of JAVA applications using Quarkus and Maven. Managing databases (MySQL, MongoDB, Cassandra). Utilizing AWS services and Kubernetes. Implementation of CI/CD pipelines with Jenkins/GitLab. Agile development with SCRUM and Jira.
Software for intelligent Electrical Grids. Monitoring electrical networks using RESTful APIs, Node.js, NPM, MySQL, and TypeScript. Front-end development with HTML5 and React.js, back-end with Express.js and OAuth. Created a map of all power stations in Spain. Agile development with SCRUM.
2000 hours developer camp. Technical support for Odoo ERP system and APIs. Backend development using MongoDB and OAuth authentication. Data visualization with JSON and GraphQL. Responsive web design using TypeScript and Postman. Unit testing with Mocha/Chai.