freiberufler Senior Software Developer auf freelance.de

Senior Software Developer

offline
  • 70€/Stunde
  • 60314 Frankfurt am Main
  • National
  • de  |  en
  • 06.07.2023

Kurzvorstellung

I am an expert in JavaScript and CSS. I mainly work with React, but I can also work with NodeJS backends, such as NestJS.

I deliver high-quality work through Test-Driven Development, and I can also help to improve your existing teams and processes.

Qualifikationen

  • Agile Methodologie
  • Software Architecture
  • Software Quality2 J.
  • Softwareanforderungsanalyse2 J.
  • Softwareentwicklung (allg.)2 J.
  • Testen2 J.

Projekt‐ & Berufserfahrung

Software Developer
Leogistics GmbH, Remote
4/2021 – 3/2023 (2 Jahre)
Logistikdienstleister
Tätigkeitszeitraum

4/2021 – 3/2023

Tätigkeitsbeschreibung

- Developing new features for their existing product using SapUI5/OpenUI5
- Analysing and solving performance issues
- Assisting with my experience to start their new design system using WebComponents, Storybook, and Lit
- Improving test coverage with Jest

Eingesetzte Qualifikationen

SAP Entwicklung, Softwareanforderungsanalyse, Softwareentwicklung (allg.), Software Quality, Testen

Frontend Developer (Festanstellung)
Financial AG, 80807
11/2020 – 4/2021 (6 Monate)
Finanzdienstleister
Tätigkeitszeitraum

11/2020 – 4/2021

Tätigkeitsbeschreibung

Technologien: VueJS, Electron, NodeJS, TypeScript

Ich habe einen Proxy-Server geschrieben, der zum Testen der Anwendung genutzt wurde. Er sollte ein- und ausgehenden Traffic tracken und daraus Mock-Antworten für Jest erstellen.

Eingesetzte Qualifikationen

Node.Js, Typescript, JavaScript, Vue.Js

Full Stack Software Developer (Festanstellung)
ALTOW Digital Innovation GmbH & Co. KG, 18146
7/2018 – 10/2020 (2 Jahre, 4 Monate)
IT & Entwicklung
Tätigkeitszeitraum

7/2018 – 10/2020

Tätigkeitsbeschreibung

2020
- CapacitorJS, React, AWS, Wordpress, C#, Rust, PHP, Ionic, Elixir, MobX
2019
- CapacitorJS, React, Angular, Wordpress, PHP, C#, AWS, MobX
2018
- React, MaterialUI, AWS, NextJS, MobX

Eingesetzte Qualifikationen

WordPress, C#, Node.Js, Amazon Web Services (AWS), PHP, React (JavaScript library)

Freelancer
Mixed, Rostock
5/2004 – 8/2019 (15 Jahre, 4 Monate)
IT & Entwicklung
Tätigkeitszeitraum

5/2004 – 8/2019

Tätigkeitsbeschreibung

Freelancing as a full-stack developer.

Feb 2019 - Jun 2019 working for a European carsharing portal
(Angular1, ES5, WordPress, Bootstrap)
- Extend their existing solution
- Rewrite their code to prepare for an update of Angular

Jun 2017 working for a chat community (himmlisch-plaudern.de)
(Self-Written PHP with ZF2)
- Maintain and extend existing code

Oct 2013 - Aug 2015 language learning platform (canceled)
(Ionic1/angular, NodeJS, MongoDB, Bootstrap, Docker)
- Developing a language learning platform, which I used myself to learn French (achieved B1 certification)
- Implementation of flash cards, TTS, local user authentication

2011 - 2013: Learning NodeJS, MongoDB, modern JS (AngularJS, ...)

Jun 2010 - Jun 2011 Private Project: A custom bulletin board written in PHP
(PHP, MySQL, JS, smarty)

May 2006 - Jan 2009 working as technical admin for an online gaming community
- Setup Game Servers for online games (Steam)
- Setup Online Analytics for Gameservers (HLStats, Psychostats, AMXBans)
- Maintaining a bulletin board, an mIRC server, a VOIP Server, and CMS for the community
- Writing plugins for the bulletin board and the CMS (PHP, Smarty, MooTools / jQuery)
- Over 2000 players daily
(PHP, MySQL, JS, Smarty, jQuery / MooTools, XHR, phpBB2, Debian dedicated Server, Apache Webserver, wuftpd/vsftpd)

May 2004 - Feb 2007 working on a bulletin board for a big german online community
- Develop plugins for phpBB2 / WBB2 bulletin boards (PHP, JS, XHR)
- Maintain server and backups (Setup Cronjobs, Backup FTP server)
(PHP, MySQL, JS, XHR, phpBB2, WBB2)

Eingesetzte Qualifikationen

Angular, JavaScript, PHP, WordPress

Ausbildung

BSc
Informatik
Universität Rostock
2018
Rostock

Über mich

I am an experienced German/English-speaking developer currently located in Frankfurt, Germany.

Throughout my career, I had the honor of working on many great projects and adding to them. I have met many great people along the way.

As my customer, you can profit from my experience. Since I am willing to share my knowledge with your existing team and I have excellent communication skills, you will not only get another developer but a real asset to your company.

I value your projects and customers and treat them as if they were my own. Discretion, swift problem-solving, and quality are what you can expect from hiring me.

Weitere Kenntnisse

Preferred Technologies:
- JavaScript, Typescript
- React, NextJS, RemixJS
- Supabase, Firebase, MongoDB, MySQL / MariaDB

I also write in other languages, such as NodeJS, C#, Python, and PHP.
I have experience working with CMS, such as WordPress, Contentful, and Strapi.

Persönliche Daten

Sprache
  • Deutsch (Muttersprache)
  • Englisch (Fließend)
Reisebereitschaft
National
Arbeitserlaubnis
  • Europäische Union
Home-Office
bevorzugt
Profilaufrufe
302
Alter
34
Berufserfahrung
20 Jahre und 6 Monate (seit 05/2004)

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