Tobias Engelberg

Completed an advanced project in computer science and participated in the “Jugend forscht” competition (2nd place in Computer Science/Mathematics) with the topic “Authentication via smart card on the web.”

Solar.web (Greenfield, B2C & B2B)
Web portal for B2C PV monitoring for plant owners; B2B fleet management & plant monitoring for operators managing portfolios.

• End-to-end responsibility within a 10-person agile Scrum team in the greenfield development of Solar.web for B2C & B2B customers.
• UI/UX conception in collaboration with the Product Owner and Product Management (user flows, prototypes, Figma).
• Frontend development with Angular & TypeScript, using TanStack Query and NgRx for state management.
• Supporting backend development with C#/.NET as well as an API-first approach.
• Quality assurance: E2E tests (Playwright, Cucumber), unit tests (Jasmine) and CI/CD for continuous delivery.
• Focus on accessibility (WCAG 2.1 AA) and a scalable frontend architecture.

Fronius Design System
Company-wide design system for consistent, reusable UI components.

• Design & implementation as an Angular & Web Components library (incl. HTML components) to ensure consistent, reusable UI across all product teams.
• Development of a scalable UI library with clear API contracts, tokens and themeable components.
• Documentation in Storybook (examples, usage guides, accessibility notes) and DX optimizations (playground, snippets).
• Processes & guidelines: changelogs, review/release flow, visual regression testing — for consistency and maintainability.

• Further development of kochbar.de: introduced a modern frontend architecture with Vue.js & TypeScript; component-based UI development.
• Built a push architecture (Laravel, RabbitMQ, Redis) for high-performance content distribution.
• Worked with UX design to validate features via A/B tests.
• Strong focus on SEO & performance optimization (Core Web Vitals, Lighthouse).
• Gradual modernization of legacy code and introduction of new standards.

• Greenfield development of multiple web applications for the energy and e-mobility market:
• B2B marketplace for energy efficiency products
• B2C portal for e-mobility
• Frontend development with Angular, TypeScript, SCSS, Angular Material, state management with NgRx. Backend development with Node.js, MySQL, PostgreSQL, MongoDB & Elasticsearch.
• Operations on AWS (EC2, Elastic Beanstalk, S3, CloudFront, Lambda, Amplify, API Gateway).
• Design of responsive, modular white-label concepts (UI/UX) and integration/analysis of analytics & tracking.

Employment reference: green|connector GmbH
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• Website for a publicly funded organization: Implemented an accessible web presence with a headless CMS (Strapi) and Next.js. Managed numerous independent network sites via a tailored CMS setup.
• Interactive app for the “OKtoRail” exhibition (Essen): Built a Cordova-based mobile app with beacon technology for location-based content inside the exhibition.
• Various small projects: Technical implementation of responsive websites from supplied designs, often with a focus on performance, usability and modular maintainability.

• Development and operation of complex web applications and mobile Cordova apps.
• Technologies: jQuery, jQuery Mobile, Ember.js, Grails, REST APIs
• Installation, configuration and maintenance of Linux-based server services (nginx, Froxlor, mail servers, Jenkins).
• Operation of Magento-based shops in production.
• Customer support and technology consulting (framework selection, architecture).

Employment reference: neomatt GmbH
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