freiberufler Front-End Developer auf freelance.de

Front-End Developer

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  • 18.03.2024

Kurzvorstellung

English speaking Front-End Developer. I used to work for various IT companies like small technological startups - Syncano (Backend as a Service) or big enterprise companies like EON, Conrad.de, Mini, PwC Germany / Switzerland

Qualifikationen

  • Adobe Experience Manager (AEM)
  • Agile Entwicklung
  • CSS (Cascading Style Sheet)
  • Datenanalyse
  • Front-End Entwicklung
  • JavaScript
  • jQuery
  • React (JavaScript library)
  • Testautomatisierung
  • TypeScript
  • Vue.js

Projekt‐ & Berufserfahrung

Frontend Developer
PwC Deutschland, Frankfurt am Main
7/2022 – offen (1 Jahr, 9 Monate)
Finanzdienstleister
Tätigkeitszeitraum

7/2022 – offen

Tätigkeitsbeschreibung

General refactoring and further development of the Digital Audit Tool application for PwC internal use.
Conducted an audit of the frontend layer of the application including prepared unit and end to end tests. Prepared
and implemented plan of the refactoring process compatible with predefined release plans. Introduced Storybook
and prepared knowledge exchange sessions in order to mentor internal junior developers. Representing the team in
front of the business. Actively participated in Scrum meetings in order to improve the features delivery flow and
cooperation with the business side.

— React + Typescript
— AG Grid
— Recharts
— Unit tests - react-testing-library
— E2E - Codecept.js
— HTML + CSS in JS - StyledComponents
— Git flow + Scrum
— Internal use Shared Components + Storybook

Eingesetzte Qualifikationen

Agile Entwicklung, CSS (Cascading Style Sheet), Datenanalyse, React (JavaScript library), TypeScript

Frontend Developer
Cartier, Geneve
3/2022 – 7/2022 (5 Monate)
IT & Entwicklung
Tätigkeitszeitraum

3/2022 – 7/2022

Tätigkeitsbeschreibung

Special event and product page prepared for jewelry manufacturer Cartier. Close collaboration with UX / UI team
and business managers. Short deadline and pixel perfect design.

— Next.js + Typescript
— Contentstack headless cms integration
— Multi Language support
— HTML + CSS in JS - Tailwind
— Git flow + Scrum
— Storybook

Eingesetzte Qualifikationen

Agile Entwicklung, TypeScript, Figma, CSS (Cascading Style Sheet), React (JavaScript library)

Frontend Developer
Nexum / Manor.ch, Berlin
12/2021 – 3/2022 (4 Monate)
IT & Entwicklung
Tätigkeitszeitraum

12/2021 – 3/2022

Tätigkeitsbeschreibung

New e-commerce platform for one of the biggest online shops in Switzerland. Supporting Frontend with a strong
focus on SEO and performance of the application.

— Next.js + Typescript
— Apollo + GraphQL
— Amplience headless cms integration
— Algolia - search engine
— Unit tests - react-testing-library
— HTML + CSS in JS - StyledComponents
— I18n Multi language support
— Git flow + Scrum
— Storybook

Eingesetzte Qualifikationen

E-Commerce, Agile Entwicklung, CSS (Cascading Style Sheet), React (JavaScript library)

Frontend Developer
UBS, Zürich
12/2020 – 5/2021 (6 Monate)
Banken
Tätigkeitszeitraum

12/2020 – 5/2021

Tätigkeitsbeschreibung

E-banking client application used by private clients across the whole world. Micro - frontends architecture, supported
with SPA applications and multilevel components concept:
— React + Typescript
— Redux + migration to the Context API
— Assets View Section - AG Grid
— Unit tests - react-testing-library
— HTML + CSS in JS - CssModules
— I18n Multi language support
— Git flow + Scrum (SAFe)
— Shared components + Storybook

Eingesetzte Qualifikationen

Corporate Banking, TypeScript, CSS (Cascading Style Sheet), React (JavaScript library)

Frontend Developer
Hyundai, Berlin
11/2020 – 12/2020 (2 Monate)
Automobilindustrie
Tätigkeitszeitraum

11/2020 – 12/2020

Tätigkeitsbeschreibung

Car configuration application for Hyundai car manufacturer. Multi tenant architecture.
— React + Typescript
— Redux + RxJS, GraphQL
— HTML + CSS in JS - StyledComponents,
— Multi language support
— Git flow + Scrum
— CI/CD Pipeline
— Docker / Kubernetes
— Storybook

Eingesetzte Qualifikationen

TypeScript, CSS (Cascading Style Sheet), React (JavaScript library)

Frontend Developer
PwC Schweiz, Zürich
3/2020 – 9/2020 (7 Monate)
IT & Entwicklung
Tätigkeitszeitraum

3/2020 – 9/2020

Tätigkeitsbeschreibung

Greenfield e-commerce project focused on digital products. Multi tenancy architecture. Designed as a SaaS
application for private PwC use only.
— Next.js + Typescript
— HTML + CSS in JS - StyledComponents,
— Multi language support
— Unit tests - react-testing-library
— End to End tests - Cypress
— Git flow + Scrum
— CI/CD Pipeline
— Docker / Kubernetes

Eingesetzte Qualifikationen

E-Commerce, Front-End Entwicklung, TypeScript, React (JavaScript library), SEO / SEM

Frontend Developer
Oqio.de, Munich
4/2019 – 2/2020 (11 Monate)
Wohnungswirtschaft
Tätigkeitszeitraum

4/2019 – 2/2020

Tätigkeitsbeschreibung

Working on a client side application for the members of the property insurance process. Oqio is designed to help
with reporting damages, decrease the time of solving claim reports and improve the quality of the building insurance
market.
— React + Javascript
— Creating Oqio Analytics dashboard from scratch in React + Redux (Saga) + Flow
— HTML + CSS in JS - StyledComponents + AntDesign
— Dynamically generated forms + Data visualization - D3.js
— Unit tests (Jest + Enzyme) + End to End tests (Selenium + Nightwatch)
— Git Flow + Scrum, Jenkins + AWS integration

Eingesetzte Qualifikationen

TypeScript, CSS (Cascading Style Sheet), React (JavaScript library)

Software Engineer - React
Conrad.de, Hirschau
6/2018 – 4/2019 (11 Monate)
Handel
Tätigkeitszeitraum

6/2018 – 4/2019

Tätigkeitsbeschreibung

I was a part of the Sales Analytics Tools team in the CRM project for Conrad.de. Our CRM application allows users to
search for the customers using multiple filtering options, create contact reports, edit customer data and analyze
various kpis presented on the charts.
Project case study: -Hyperlink entfernt-
— Creating CRM application from scratch in React + Redux
— HTML + CSS (CSS Modules) + Semantic UI
— Creating a library of the React components shared between multiple internal teams
— Data visualization - D3.js (Integration between D3.js and Tableau - Custom Extensions)
— Multi language support
— Unit tests (Jest + Enzyme)
— End to End tests (Chrome Headless + Puppeteer)
— Git Flow + Scrum
— Frontend & Backend Microservices - Kubernetes

Eingesetzte Qualifikationen

CSS (Cascading Style Sheet), JavaScript, React (JavaScript library)

Frontend Developer
Daftcode, Warsaw
10/2017 – 5/2018 (8 Monate)
Telekommunikation
Tätigkeitszeitraum

10/2017 – 5/2018

Tätigkeitsbeschreibung

Implementing Kanban - like board application - extended version of Kanban Board like Trello.
I've implemented dynamically generated filtering options.
Technologies:
React + Graph QL
Enzyme + Jest
Multi-language support
Webpack
GitLab pipelines

Eingesetzte Qualifikationen

React (JavaScript library)

Frontend Developer
Eon, Hamburg
3/2017 – 9/2017 (7 Monate)
Electricity Providers
Tätigkeitszeitraum

3/2017 – 9/2017

Tätigkeitsbeschreibung

I was responsible for:
- Developing simple components for AEM environment
- Developing single shared components for whole Digital Transformation project
- Developing complex applications as AEM widgets - for e.g. job seach, text search, dynamically generated forms,
- maintaining shared components library

Eingesetzte Qualifikationen

Adobe Experience Manager (AEM), jQuery, React (JavaScript library)

Zertifikate

Vue.js Workshops
2017

Ausbildung

Civil Engineering
Master
2012
Warsaw

Persönliche Daten

Sprache
  • Polnisch (Muttersprache)
  • Englisch (Fließend)
  • Deutsch (Gut)
Reisebereitschaft
Weltweit
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
  • Vereinigte Staaten von Amerika
Profilaufrufe
2222
Alter
35
Berufserfahrung
7 Jahre (seit 03/2017)
Projektleitung
9 Jahre

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