Experienced Web Developer
Aktualisiert am 09.11.2023
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 19.11.2023
Verfügbar zu: 100%
davon vor Ort: 60%
JavaScript
ReactJS
React-Native
PostgreSQL
AWS
TypeScript
German
English

Einsatzorte

Einsatzorte

München (+200km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

3 Jahre 4 Monate
2020-07 - 2023-10

Fullstack Developer (Interim CTO) at Zwopr GmbH

Fullstack Developer
Fullstack Developer
  • Replacement of existing PWA with a React-Native App

  • Admin and Web Version with NextJS, GraphQL

  • New Monorepo setup with Typescript and

    React-Native-Web, AWS

  • Firebase authentication with Google Identity

  • Sendgrid Emails, Push-Notifications and other

    integrations 

Zwopr GmbH
München
11 Jahre 10 Monate
2012-01 - 2023-10

Fullstack Developer, Co-founder, CEO at [Company name on request]

Fullstack Developer
Fullstack Developer

Long-term hobby project for fun and testing new technologies.

[URL on request]

Mobile app for spontaneous leisure meetings in small groups.

 

Version 5 (current)

  • React-Native with Typescript (iOS and Android)

  • GraphQL Backend with Hasura.io and PostgreSQL

  • Geo-spatial DB queries with PostGIS

  • FIFO queues for race condition free business logic

  • Multi-stage environment with CI/CD

  • Admin panel with Material-UI, NextJS, ViteJS


Version 4 (2020)

    • Flutter App (Dart) and related technologies

    • DynamoDB, serverless AWS stack


    Version 3 (2016)

      • App with React-Native

      • Backend with ExpressJS, later HapiJS, SocketIO,

        PostgreSQL


      Version 2 (2014)

      • Mobile optimized website with AngularJS.1x and Cordova for native app features.


      Version 1 (2012)

      • Website with JQuery, later BackboneJS, Bootstrap, ... 

      3 Jahre 5 Monate
      2017-02 - 2020-06

      Freelance Senior Frontend Engineer at TX Group AG

      Senior Frontend Engineer
      Senior Frontend Engineer
      • Integrated real time features and multi-tenant support with collaboration functionality

      • Advanced Rich Text Editor

      • Full Frontend integration tests, powered by Puppeteer,

        JSON-Mock-Server, later Cypress.io

      • Component library with Storybook and multiple PR's for

        Redux-Form

      • Oversaw junior developers and utilized advanced Git

        features (e.g., rebase, partial commits, ...)

        private reasons. 


      Permanent position as Frontend Team Lead offered. Declined for private reasons. 

        TX Group AG
        Zürich
        3 Jahre 5 Monate
        2014-05 - 2017-09

        Freelance Software Developer and Founder at Various

        Freelance Software Developer and Founder
        Freelance Software Developer and Founder

        Applaunch GmbH: Ex-co-founder, multiple projects and technologies


        Zizzle eLearning Inc.: Consultant for React-Native and hands-on frontend development, redux


        Webcy: Complete React-Native frontend implementation, redux-saga, code-push


        MrFishGuide: Ex-co-founder, backend architect, Monorepo, Docker, Kubernetes, GCE, RabbitMQ


         

        6 Monate
        2016-08 - 2017-01

        Freelance Senior Frontend Engineer at HolidayCheck AG

        Senior Frontend Engineer
        Senior Frontend Engineer
        • High traffic website, used by millions of users daily

        • Implemented new features and enhancements to the

          product's offer list.

        • Partly refactoring of the existing flux architecture with

          React and Redux

        • Extending parts of the most critical site (booking form)

          which is written in outdated technology (BackboneJS)


        Permanent position as Senior Frontend Developer offered. Declined for private reasons. 

          HolidayCheck AG
          Bottighofen

          Aus- und Weiterbildung

          Aus- und Weiterbildung

          4 Jahre 5 Monate
          2011-10 - 2016-02

          Automotive Technology and Management

          General University Entrance Qualification, Coburg University of Applied Sciences
          General University Entrance Qualification
          Coburg University of Applied Sciences

          Paused my B.Eng. Automotive Technology and Management studies after discovering my passion for programming during my academic journey, while pursuing an enticing job opportunity in Switzerland, a decision that I later found to be the right one. 

          Position

          Position

          With over 10 years' experience, I excel in full-stack web development, covering UI/UX design, database architecture, CI/CD, and cross-platform development for web, iOS, and Android.

          Kompetenzen

          Kompetenzen

          Top-Skills

          JavaScript ReactJS React-Native PostgreSQL AWS TypeScript

          Produkte / Standards / Erfahrungen / Methoden

          Android Studio
          AppStore
          Atlassian JIRA
          Git
          Experte
          PlayStore
          Scrum
          XCode

          Programmiersprachen

          AngularJs1x
          Experte
          BackboneJs
          Fortgeschritten
          JavaScript
          Experte
          NodeJs
          Fortgeschritten
          React-Native
          Experte
          ReactJS
          Experte
          TypeScript
          Fortgeschritten
          JQuery
          Fortgeschritten

          Datenbanken

          MongoDB
          Basics
          PostgreSQL
          Fortgeschritten
          DynamoDB
          Fortgeschritten
          Firebase
          Basics

          Datenkommunikation

          Websockets
          Experte
          REST
          Experte
          GraphQL
          Fortgeschritten
          RabbitMQ
          Fortgeschritten
          SQS
          Fortgeschritten

          Einsatzorte

          Einsatzorte

          München (+200km)
          Deutschland, Schweiz, Österreich
          möglich

          Projekte

          Projekte

          3 Jahre 4 Monate
          2020-07 - 2023-10

          Fullstack Developer (Interim CTO) at Zwopr GmbH

          Fullstack Developer
          Fullstack Developer
          • Replacement of existing PWA with a React-Native App

          • Admin and Web Version with NextJS, GraphQL

          • New Monorepo setup with Typescript and

            React-Native-Web, AWS

          • Firebase authentication with Google Identity

          • Sendgrid Emails, Push-Notifications and other

            integrations 

          Zwopr GmbH
          München
          11 Jahre 10 Monate
          2012-01 - 2023-10

          Fullstack Developer, Co-founder, CEO at [Company name on request]

          Fullstack Developer
          Fullstack Developer

          Long-term hobby project for fun and testing new technologies.

          [URL on request]

          Mobile app for spontaneous leisure meetings in small groups.

           

          Version 5 (current)

          • React-Native with Typescript (iOS and Android)

          • GraphQL Backend with Hasura.io and PostgreSQL

          • Geo-spatial DB queries with PostGIS

          • FIFO queues for race condition free business logic

          • Multi-stage environment with CI/CD

          • Admin panel with Material-UI, NextJS, ViteJS


          Version 4 (2020)

            • Flutter App (Dart) and related technologies

            • DynamoDB, serverless AWS stack


            Version 3 (2016)

              • App with React-Native

              • Backend with ExpressJS, later HapiJS, SocketIO,

                PostgreSQL


              Version 2 (2014)

              • Mobile optimized website with AngularJS.1x and Cordova for native app features.


              Version 1 (2012)

              • Website with JQuery, later BackboneJS, Bootstrap, ... 

              3 Jahre 5 Monate
              2017-02 - 2020-06

              Freelance Senior Frontend Engineer at TX Group AG

              Senior Frontend Engineer
              Senior Frontend Engineer
              • Integrated real time features and multi-tenant support with collaboration functionality

              • Advanced Rich Text Editor

              • Full Frontend integration tests, powered by Puppeteer,

                JSON-Mock-Server, later Cypress.io

              • Component library with Storybook and multiple PR's for

                Redux-Form

              • Oversaw junior developers and utilized advanced Git

                features (e.g., rebase, partial commits, ...)

                private reasons. 


              Permanent position as Frontend Team Lead offered. Declined for private reasons. 

                TX Group AG
                Zürich
                3 Jahre 5 Monate
                2014-05 - 2017-09

                Freelance Software Developer and Founder at Various

                Freelance Software Developer and Founder
                Freelance Software Developer and Founder

                Applaunch GmbH: Ex-co-founder, multiple projects and technologies


                Zizzle eLearning Inc.: Consultant for React-Native and hands-on frontend development, redux


                Webcy: Complete React-Native frontend implementation, redux-saga, code-push


                MrFishGuide: Ex-co-founder, backend architect, Monorepo, Docker, Kubernetes, GCE, RabbitMQ


                 

                6 Monate
                2016-08 - 2017-01

                Freelance Senior Frontend Engineer at HolidayCheck AG

                Senior Frontend Engineer
                Senior Frontend Engineer
                • High traffic website, used by millions of users daily

                • Implemented new features and enhancements to the

                  product's offer list.

                • Partly refactoring of the existing flux architecture with

                  React and Redux

                • Extending parts of the most critical site (booking form)

                  which is written in outdated technology (BackboneJS)


                Permanent position as Senior Frontend Developer offered. Declined for private reasons. 

                  HolidayCheck AG
                  Bottighofen

                  Aus- und Weiterbildung

                  Aus- und Weiterbildung

                  4 Jahre 5 Monate
                  2011-10 - 2016-02

                  Automotive Technology and Management

                  General University Entrance Qualification, Coburg University of Applied Sciences
                  General University Entrance Qualification
                  Coburg University of Applied Sciences

                  Paused my B.Eng. Automotive Technology and Management studies after discovering my passion for programming during my academic journey, while pursuing an enticing job opportunity in Switzerland, a decision that I later found to be the right one. 

                  Position

                  Position

                  With over 10 years' experience, I excel in full-stack web development, covering UI/UX design, database architecture, CI/CD, and cross-platform development for web, iOS, and Android.

                  Kompetenzen

                  Kompetenzen

                  Top-Skills

                  JavaScript ReactJS React-Native PostgreSQL AWS TypeScript

                  Produkte / Standards / Erfahrungen / Methoden

                  Android Studio
                  AppStore
                  Atlassian JIRA
                  Git
                  Experte
                  PlayStore
                  Scrum
                  XCode

                  Programmiersprachen

                  AngularJs1x
                  Experte
                  BackboneJs
                  Fortgeschritten
                  JavaScript
                  Experte
                  NodeJs
                  Fortgeschritten
                  React-Native
                  Experte
                  ReactJS
                  Experte
                  TypeScript
                  Fortgeschritten
                  JQuery
                  Fortgeschritten

                  Datenbanken

                  MongoDB
                  Basics
                  PostgreSQL
                  Fortgeschritten
                  DynamoDB
                  Fortgeschritten
                  Firebase
                  Basics

                  Datenkommunikation

                  Websockets
                  Experte
                  REST
                  Experte
                  GraphQL
                  Fortgeschritten
                  RabbitMQ
                  Fortgeschritten
                  SQS
                  Fortgeschritten

                  Vertrauen Sie auf Randstad

                  Im Bereich Freelancing
                  Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

                  Fragen?

                  Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

                  Das Freelancer-Portal

                  Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.