Stefan Jelner
Fähigkeiten und Kenntnisse
Werdegang
Berufserfahrung von Stefan Jelner
Lit, Shoelace, Angular 19, TypeScript, Sass, Signals, RxJS, CSS 3, BEM, HTML 5, vitest, Storybook, git
- Current 25 years and 10 months, since Aug 2000
Inhaber
handgestrickt netzwerk - Dortmund
Angular 18, TypeScript, RxJS, React, Lit, Web Components, Piral, Micro Frontends, JointJS+, SVG, i18next, JavaScript, CSS 3, Sass, BEM, HTML 5
- 4 months, Sep 2024 - Dec 2024
Technical Lead Frontend
Deutsches Logistikunternehmen (geheim)
Svelte, TypeScript, Sass, i18next, RxJS, vite, CSS 3, BEM, HTML 5, vitest, git, Staffbase
- 3 months, Jun 2024 - Aug 2024
Senior Developer
Hypertrust Patient Data Care GmbH
Angular 18, TypeScript, RxJS, Ngrx, PrimeNG, JavaScript, CSS 3, Sass, BEM, HTML 5, docker, nx, Monorepo, Formly, i18next
- 3 months, May 2024 - Jul 2024
Senior Developer
Techniker Krankenkasse
CoreMedia 11, Freemarker, IntelliJ, Webcomponents, Shoelace, lit, React, git, Scrum, HTML, CSS 3, BEM, TypeScript, JavaScript, WCAG 2.1, NVDA, VoiceOver
- 1 year and 1 month, Jun 2023 - Jun 2024
Senior Developer
Lufthansa Industry Solutions (Hamburg Port Authority (HPA))
Angular 16 & 17, DevExtreme, TypeScript, JavaScript, CSS 3, HTML, Java, PrimeFaces, git, Azure DevOps, Kanban, OpenApi, Swagger
- 2 years and 3 months, Mar 2022 - May 2024
Senior Developer
SICK AG - Waldkirch
Angular 13-17, Three.js, WebGL, RxJS, TypeScript, Nx, HTML5, Sass, CSS3, JIRA, GitLab
- 6 months, Mar 2023 - Aug 2023
Lead-Architect Backend, Frontend, Infrastructure
BearingPoint GmbH - Frankfurt am Main
PHP 8, Laravel, composer, artisan, MySQL, docker, Gotenberg, nginx, Ubuntu, Angular, React, TypeScript, JavaScript, Sass, CSS 3, HTML 5, git, Azure DevOps, Salesforce, gRPC
- 5 months, Feb 2023 - Jun 2023
Senior Developer
Deutscher Automobilhersteller (geheim)
Angular, OpenLayers, Postgres, PostGIS, QGIS, Geoserver, OpenstreetMaps, TypeScript, JavaScript, Sass, CSS 3, HTML 5, git, Azure DevOps, Monorepo, nx, Scrum, Atlassian-Stack
- 2 years and 2 months, Nov 2020 - Dec 2022
Frontend Architect
Camelot ITLab GmbH - Mannheim
Angular 11, 12, 13, PrimeNG, Bryntum, Gridster 2, ECharts, GraphQL, Nx, i18next, TypeScript, RxJS, JavaScript, Sass, CSS3, HTML5, Handlebars, Storybook, Patternlab, Gulp, JIRA, GitLab
- 3 years and 1 month, Mar 2019 - Mar 2022
Frontend Architect (Freelancer)
Enerparc AG - Hamburg
React, HTML5, CSS3, Sass, JavaScript, TypeScript, RxJS, Redux Stores, Hammer.js, Universal Router, InversifyJS, Jest, Enzyme, Sinon, Tslint, Sass Lint, Typedoc, Sassdoc, node, git, Swagger, OpenAPI, i18next, Lodash, Moment.js, Highcharts, SlickGrid, Cognito, Amplify
- 2 months, Jan 2022 - Feb 2022
Senior Developer
S&N AG (IHK) - Paderborn
Angular 13, RxJS, TypeScript, HTML5, Sass, CSS3, IntelliJ, JIRA, GitLab
- 4 months, Aug 2020 - Nov 2020
Senior Developer
KPS AG - Dortmund
HTML5, CSS3, Sass, JavaScript, TypeScript, Angular9, ngxs, i18next, Material UI, Stacktrace.js
- 2 months, Apr 2020 - May 2020
Frontend Architect
cueconcept GmbH - Nürnberg
HTML5, CSS3, Sass, JavaScript, TypeScript, React, Rx.js, Redux Stores, Universal Router, InversifyJS, Tslint, Sass Lint, node, git, OpenAPI, i18next, Lodash, Moment.js, Gulp
- 4 months, Nov 2019 - Feb 2020
Senior Developer
BEUMER Group GmbH & Co. KG - Beckum
Angular 8, TypeScript, JavaScript, ES6, HTML5, Sass, CSS3, Rx.js, amCharts, SVN
- 2 months, Aug 2019 - Sep 2019
Senior Developer
CIT Thomas Czerwinski IT-Services - Greiz
Angular 7, HTML5, CSS3, Sass, TypeScript
- 1 year and 3 months, Jul 2018 - Sep 2019
Scrum Master, Architect, Senior Developer
InWIS Forschung & Beratung GmbH - Bochum
HTML5, CSS3, Sass, BEM, TypeScript, Rx.js, webpack, grunt, Redux Store, morphdom, d3.js, Leaflet.js, bootstrap, PHP, git, JSON, GeoJSON
HTML5, CSS3, Sass, JavaScript, TypeScript, React, Rx.js, Redux Stores, Hammer.js, Universal Router, InversifyJS, Jest, Enzyme, Sinon, Tslint, Sass Lint, Typedoc, Sassdoc, node, git, Swagger, OpenAPI, i18next, Lodash, Moment.js, Plotly.js, Cognito, Amplify
- 1 year and 6 months, Feb 2018 - Jul 2019
Architect, Senior Developer
Init GmbH - Karlsruhe
HTML5, CSS3, Sass, PureCSS, BEM, npm
Sprachen
German
C2 (Verhandlungssicher / Muttersprachlich)
English
C1 (Fließend)
French
A1-A2 (Grundkenntnisse)
Spanish
A1-A2 (Grundkenntnisse)
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