Senior Frontend Engineer specialized in Angular and React, with strong expertise in TypeScript, modern UI libraries, and building scalable, maintainab
Aktualisiert am 18.09.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.11.2025
Verfügbar zu: 100%
davon vor Ort: 100%
Angular
React
TypeScript
JavaScript (ES6+)
HTML5
CSS3/SCSS
RxJS
Redux/Zustand
Tailwind CSS
Storybook
Jest
Nx Monorepo
StencilJS
Micro Frontends
Design Systems
REST API
GraphQL
Agile/Scrum
CI/CD
Git

Einsatzorte

Einsatzorte

Nuremberg (+50km) Bamberg (Deutschland) (+50km) Bad Staffelstein (+50km)
Deutschland
möglich

Projekte

Projekte

3 years
2022-12 - now

Built enterprise marketing intelligence platform

Frontend Software Engineer
Frontend Software Engineer
  • Built enterprise marketing intelligence platform with Angular + Nx, increasing performance by 40% and reducing quarterly defects by 60%; ensured quality via unit and e2e tests in CI.
  • Rebuilt a legacy enterprise data analytics custom dashboard platform with React, Vite, and Zustand; time to interactive improved by 35%, production defects down by 50%, coverage maintained over 90%.
  • Designed and integrated micro-frontend modules within an Nx monorepo (Angular & React), enabling cross team collaboration and independent deployments across 5+ product areas.
  • Created analytics dashboards for 200+ enterprise users, reducing decision-making time by 25%.
  • Collaborated with backend engineer to resolve a critical memory leak in data processing, reducing server load and cutting cloud infrastructure costs by an estimated 30%.
  • Scaled an internal UI library with StencilJS, reused across multiple apps, cutting redundant UI work by 50%.
  • Standardized OpenAPI-first REST integrations and role-based access, reducing support requests by 35%.
  • Reduced bundle size by 25% with lazy loading and code splitting; maintained Lighthouse scores above 90.
GfK ? An NIQ Company
Nuremberg, Germany
1 year 3 months
2021-10 - 2022-12

Designed a full-stack dental appointment platform

Frontend / Fullstack Engineer
Frontend / Fullstack Engineer
  • Designed a full-stack dental appointment platform with React SPA, including client and admin dashboards.
  • Developed backend with Express.js + MongoDB, implementing JWT & OAuth and email/SMS notifications.
  • Released a React Native app with deep links, reminders, and calendar flows.
  • After launch: bookings increased 25?40%, missed appointments dropped 10?20%,revenue grew double-digit.
  • Enhanced SEO & accessibility; ensured stability with Jest unit tests and Cypress e2e tests.
Self-employed / Multiple Clients (EU/USA)
Nuremberg, Germany
7 months
2021-04 - 2021-10

Developed a travel booking app

Frontend Software Engineer
Frontend Software Engineer
  • Developed a travel booking app using Angular and a reusable UI library, accelerating UI delivery by 40%.
  • Integrated multiple partner REST APIs, adding ranking, filters, pagination, caching, increasing CTR by 12?18%.
  • Implemented SSR for SEO, boosting organic traffic by 20?30%.
  • Built affiliate deep links with tracking & analytics, raising revenue by 10?15%.
  • Added a Node.js BFF layer for aggregation and rate limiting, reducing API load and improving stability.
AmconSoft
Dnipro, Ukraine
3 years 4 months
2018-01 - 2021-04

Delivered 10+ web apps

Web Developer
Web Developer
  • Delivered 10+ web apps (React & Angular) for EU clients ? from marketing sites to B2B dashboards.
  • Applied mobile-first design, boosting mobile engagement by 30% and conversions by 15%.
  • Built a reusable UI component library, cutting feature delivery time by 40%.
  • Collaborated with designers and backend teams, delivering end-to-end from prototype to production.
  • Developed internal tools with Angular + Firebase, reducing manual work by 60%.
DataArt
Odesa, Ukraine

Aus- und Weiterbildung

Aus- und Weiterbildung

8 months
2020-03 - 2020-10

Frontend Developer Certificate

FoxmindEd, Kyiv, Ukraine
FoxmindEd, Kyiv, Ukraine
11 months
2012-09 - 2013-07

MSc Project Manager

Odesa National Maritime University, Odesa, Ukraine
Odesa National Maritime University, Odesa, Ukraine
5 years 4 months
2006-09 - 2011-12

MSc Mechanical Engineer

Odesa National Maritime University, Odesa, Ukraine
Odesa National Maritime University, Odesa, Ukraine

Kompetenzen

Kompetenzen

Top-Skills

Angular React TypeScript JavaScript (ES6+) HTML5 CSS3/SCSS RxJS Redux/Zustand Tailwind CSS Storybook Jest Nx Monorepo StencilJS Micro Frontends Design Systems REST API GraphQL Agile/Scrum CI/CD Git

Produkte / Standards / Erfahrungen / Methoden

Skills

Core:

  • JavaScript
  • TypeScript
  • HTML
  • CSS
  • Angular
  • React


Tools:

  • Node.js
  • Express.js
  • NestJS
  • REST APIs
  • PostgreSQL
  • MongoDB
  • Jest
  • Playwright
  • Redux
  • NgRx
  • RxJS
  • Nx
  • StencilJS
  • Tailwind
  • Vite
  • Webpack
  • Postman
  • Docker
  • Kubernetes
  • CI/CD
  • Git
  • GitLab
  • Jira
  • Agile/Scrum

Einsatzorte

Einsatzorte

Nuremberg (+50km) Bamberg (Deutschland) (+50km) Bad Staffelstein (+50km)
Deutschland
möglich

Projekte

Projekte

3 years
2022-12 - now

Built enterprise marketing intelligence platform

Frontend Software Engineer
Frontend Software Engineer
  • Built enterprise marketing intelligence platform with Angular + Nx, increasing performance by 40% and reducing quarterly defects by 60%; ensured quality via unit and e2e tests in CI.
  • Rebuilt a legacy enterprise data analytics custom dashboard platform with React, Vite, and Zustand; time to interactive improved by 35%, production defects down by 50%, coverage maintained over 90%.
  • Designed and integrated micro-frontend modules within an Nx monorepo (Angular & React), enabling cross team collaboration and independent deployments across 5+ product areas.
  • Created analytics dashboards for 200+ enterprise users, reducing decision-making time by 25%.
  • Collaborated with backend engineer to resolve a critical memory leak in data processing, reducing server load and cutting cloud infrastructure costs by an estimated 30%.
  • Scaled an internal UI library with StencilJS, reused across multiple apps, cutting redundant UI work by 50%.
  • Standardized OpenAPI-first REST integrations and role-based access, reducing support requests by 35%.
  • Reduced bundle size by 25% with lazy loading and code splitting; maintained Lighthouse scores above 90.
GfK ? An NIQ Company
Nuremberg, Germany
1 year 3 months
2021-10 - 2022-12

Designed a full-stack dental appointment platform

Frontend / Fullstack Engineer
Frontend / Fullstack Engineer
  • Designed a full-stack dental appointment platform with React SPA, including client and admin dashboards.
  • Developed backend with Express.js + MongoDB, implementing JWT & OAuth and email/SMS notifications.
  • Released a React Native app with deep links, reminders, and calendar flows.
  • After launch: bookings increased 25?40%, missed appointments dropped 10?20%,revenue grew double-digit.
  • Enhanced SEO & accessibility; ensured stability with Jest unit tests and Cypress e2e tests.
Self-employed / Multiple Clients (EU/USA)
Nuremberg, Germany
7 months
2021-04 - 2021-10

Developed a travel booking app

Frontend Software Engineer
Frontend Software Engineer
  • Developed a travel booking app using Angular and a reusable UI library, accelerating UI delivery by 40%.
  • Integrated multiple partner REST APIs, adding ranking, filters, pagination, caching, increasing CTR by 12?18%.
  • Implemented SSR for SEO, boosting organic traffic by 20?30%.
  • Built affiliate deep links with tracking & analytics, raising revenue by 10?15%.
  • Added a Node.js BFF layer for aggregation and rate limiting, reducing API load and improving stability.
AmconSoft
Dnipro, Ukraine
3 years 4 months
2018-01 - 2021-04

Delivered 10+ web apps

Web Developer
Web Developer
  • Delivered 10+ web apps (React & Angular) for EU clients ? from marketing sites to B2B dashboards.
  • Applied mobile-first design, boosting mobile engagement by 30% and conversions by 15%.
  • Built a reusable UI component library, cutting feature delivery time by 40%.
  • Collaborated with designers and backend teams, delivering end-to-end from prototype to production.
  • Developed internal tools with Angular + Firebase, reducing manual work by 60%.
DataArt
Odesa, Ukraine

Aus- und Weiterbildung

Aus- und Weiterbildung

8 months
2020-03 - 2020-10

Frontend Developer Certificate

FoxmindEd, Kyiv, Ukraine
FoxmindEd, Kyiv, Ukraine
11 months
2012-09 - 2013-07

MSc Project Manager

Odesa National Maritime University, Odesa, Ukraine
Odesa National Maritime University, Odesa, Ukraine
5 years 4 months
2006-09 - 2011-12

MSc Mechanical Engineer

Odesa National Maritime University, Odesa, Ukraine
Odesa National Maritime University, Odesa, Ukraine

Kompetenzen

Kompetenzen

Top-Skills

Angular React TypeScript JavaScript (ES6+) HTML5 CSS3/SCSS RxJS Redux/Zustand Tailwind CSS Storybook Jest Nx Monorepo StencilJS Micro Frontends Design Systems REST API GraphQL Agile/Scrum CI/CD Git

Produkte / Standards / Erfahrungen / Methoden

Skills

Core:

  • JavaScript
  • TypeScript
  • HTML
  • CSS
  • Angular
  • React


Tools:

  • Node.js
  • Express.js
  • NestJS
  • REST APIs
  • PostgreSQL
  • MongoDB
  • Jest
  • Playwright
  • Redux
  • NgRx
  • RxJS
  • Nx
  • StencilJS
  • Tailwind
  • Vite
  • Webpack
  • Postman
  • Docker
  • Kubernetes
  • CI/CD
  • Git
  • GitLab
  • Jira
  • Agile/Scrum

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Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

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