10.11.2026 aktualisiert
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Frontend-Entwickler | Angular · TypeScript · RxJS · React
Berlin, Deutschland
Weltweit
BSc (Hons) Computer Science and Digitisation, UCA / BSBI BerlinÜber mich
Berlin-based Frontend Engineer with 4+ years of experience in Angular, TypeScript, and REST APIs. I build reusable, accessible interfaces and modernize existing applications across media SaaS and e-government. Open to remote contracts.
Skills
StorybookArgo CDGitOpsGitHub CopilotGitHub ActionsTailwind CSSVitestWeb ComponentsJavaScriptA/B TestingAPIsAmazon Web ServicesCloudfrontAmazon S3Component-Based Software Engineering
ANGULAR & TYPESCRIPT
Frontend development with Angular, TypeScript, JavaScript ES6+, RxJS, NgRx, and Angular Material. Professional experience building reusable components and API-driven interfaces for media SaaS and national e-government platforms, including authentication, paywalls, search, filtering, notifications, and localized workflows.
REUSABLE UI & ACCESSIBILITY
Component-based development with Storybook, HTML5, CSS3, and Sass/SCSS. Translating Figma/Sketch designs into responsive, accessible interfaces using semantic HTML, WCAG/ARIA practices, internationalization, and cross-browser testing.
REST APIs & DEBUGGING
REST API integration, JSON configuration, authentication flows, and frontend/backend troubleshooting. Investigating UI, API, and network issues with browser DevTools and network tracing; working with QA to validate fixes before production releases.
LEGACY APPLICATIONS & REFACTORING
Maintaining and modernizing existing Angular applications: dependency updates, migration warnings, build failures, runtime defects, linting, project structure, and SCSS build pipelines. Experience supporting hotfixes, code reviews, and staged releases.
TESTING & DEVELOPMENT WORKFLOWS
Jest, Vitest, Playwright, React Testing Library, and axe accessibility checks. Git-based collaboration, code reviews, ESLint, Prettier, npm/pnpm, Vite, and Webpack. Release experience with Jenkins and GitLab workflows; automated checks and deployments with GitHub Actions.
CLOUD & DEPLOYMENT
Hands-on project experience with AWS S3/CloudFront frontend deployment, Docker Compose, Nginx, Linux, and Terraform. Built health checks, metrics, logs, Prometheus/Grafana monitoring, and rollback scripts in an independent application infrastructure project.
REACT & NODE.JS
Independent projects using React, TypeScript, Redux Toolkit, TanStack Query, Material UI, and Node.js/Fastify. Practical knowledge of REST API development, JWT authentication, and OpenAPI/Swagger.
PUBLISHING & ANALYTICS
Delivered frontend features across 10+ publishing applications. Integrated Firebase Analytics, Google Tag Manager, Adjust, and Braze across five applications, including event tracking, data-layer schemas, and push-notification workflows.
Erfahrung
Berufserfahrung0 - 5 Jahre
Freelancer seit2024
Sprachen
DeutschGrundkenntnisseEnglischverhandlungssicherRussischMutterspracheUkrainischverhandlungssicher
Projekthistorie
Delivered freelance website updates for small businesses, including hospitality clients, alongside independent frontend and application infrastructure projects.
• Updated client websites and modernized personal React/TypeScript applications, API integrations, automated checks, and deployment workflows.
• Built Production App Infrastructure: a React/TypeScript dashboard and Node.js/Fastify API with health checks, metrics, and logs.
• Added Docker Compose, Prometheus/Grafana monitoring, GitHub Actions CI, and rollback scripts.
• Developed a personal engineering website with Astro, TypeScript, and Tailwind CSS, including responsive layouts, Playwright/axe accessibility checks, and automated AWS S3/CloudFront deployment.
Technologies: React, TypeScript, Node.js, Fastify, Astro, Tailwind CSS, REST APIs, Playwright, axe, Docker Compose, GitHub Actions, AWS S3, CloudFront, Prometheus, Grafana.
Developed and maintained frontend features across 10+ publishing applications, including applications for MOPO.de, Tagesspiegel.de, and BikeRadar.com.
• Translated product requirements and Figma/Sketch designs into responsive user interfaces.
• Built reusable Angular/TypeScript components for authentication, paywalls, search, filtering, and offline access.
• Integrated REST APIs and JSON configuration to support localized publishing workflows.
• Refactored existing publisher applications, updating linting, project structure, and SCSS build pipelines.
• Implemented semantic HTML/ARIA accessibility fixes and improved page metadata for SEO.
• Integrated Firebase Analytics, Google Tag Manager, Adjust, and Braze across five applications, including event tracking and push-notification workflows.
• Investigated UI, authentication, API, and cross-browser defects using DevTools and network tracing; validated fixes with QA through Jenkins builds across preview, test, and production environments.
Technologies: Angular, TypeScript, REST APIs, JSON, HTML, SCSS, Git, Jenkins, Firebase Analytics, Google Tag Manager, Adjust, Braze, Figma, Sketch.
Developed Angular interfaces for Gosuslugi.ru, including the national COVID-19 certificate and QR-code service, personal accounts, notifications, and public-service workflows.
• Implemented Angular/TypeScript modules with REST API integration, localization, and cross-browser printing and download workflows.
• Built 30+ responsive pages and reusable components using TypeScript, RxJS, SCSS, and Storybook.
• Updated Angular dependencies in a legacy application, resolving migration warnings, build failures, and runtime issues.
• Validated changes through unit tests and test-environment checks before QA handoff.
• Investigated frontend and API behavior to resolve analytics data-collection defects; supported hotfix delivery through GitLab workflows, code reviews, and QA validation.
• Mentored a junior frontend developer through code reviews, implementation guidance, and task support.
Technologies: Angular, TypeScript, RxJS, Storybook, REST APIs, HTML, SCSS, Git, GitLab, unit testing, internationalization.