10.05.2026 aktualisiert

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Javascript | Typescript | Next | React | Angular | Node - Expert

Wien (Vienna), Österreich
Weltweit
BSc Computer Science
Wien (Vienna), Österreich
Weltweit
BSc Computer Science

Profilanlagen

Hanad-Kubat-Fullstack-Engineer-2026.pdf

Über mich

Senior full stack engineer and SaaS founder with Fortune 500 background (BMW, IBM, Deutsche Bahn). I join teams to ship features end to end, improve performance, and refactor safely. Need a senior who can onboard quickly and deliver? Let's talk.

Skills

JavaScriptSaasNext.jsRxjsReact.jsBackendFull Stack EntwicklungGraphQLNestJS
Full-stack Software Engineer excelling in the JavaScript ecosystem with deep expertise in React and Node. Demonstrated track record in creating applications tailored to a range of industries. Comprehensive understanding of the software development lifecycle, adept in Agile methodologies, and a proactive problem solver. Fluent in German and English.
  1. Technical SkillsFrameworks & Libraries: React, Angular, NextJS, Redux, Zustand, RxJS, GraphQL, MUI, Tailwind
  2. Languages: JavaScript & TypeScript
  3. Backend: Node, Bun, Elysia, Express, NestJS, Geoserver
  4. Database: MongoDB, PostgreSQL, PostGis
  5. Tools & Platforms: Jest, React Testing Library, Cypress, AWS, Git, CMS, Storybook
  6. Other: Bootstrap, HTML5, CSS3, PhaserJS

Erfahrung

Berufserfahrung5 - 10 Jahre
Freelancer seit2018

Sprachen

DeutschverhandlungssicherEnglischverhandlungssicher

Projekthistorie

Fullstack Engineer - Contract - Deutsche Bahn AG (Frankfurt am Main, Germany)

Deutsche Bahn AG

Transport und Logistik

1000-5000 Mitarbeiter

  1. Spearheaded the development of a sophisticated, reusable interactive Map component, showcasing extensive rail network details such as electricity access points, station stops, maintenance workshops, track identifiers, and ongoing construction activities.
  2. Optimized map performance using NestJS as a Backends-for-Frontend (BFF) solution, implementing caching strategies with Redis to reduce data retrieval times and enhance user experience.
  3. Drove performance enhancements by strategically optimizing frontend components and refining Geoserver configurations for enhanced data retrieval and display.
  4. Expertly handled and manipulated PostGIS table data to accurately represent geospatial information, ensuring data integrity and precision across the platform.
  5. Enhanced software quality through meticulous testing, authored comprehensive documentation for user guidance and led constructive code reviews to ensure code integrity and performance.
Tech Stack: JavaScript, TypeScript, React, Redux, MUI, React Testing Library, Cypress, Geoserver, Leaflet, Deck.gl, Storybook, Docker

Frontend Engineer - Contract - Bundesrechenzentrum Austria

BRZ - Bundesrechenzentrum Austria

Öffentlicher Dienst

500-1000 Mitarbeiter

• Helped modernize and scale a shared, component-driven UI library used across multiple
internal apps by standardizing patterns, styling conventions, and API design for consistent,
reusable components.
• Improved developer experience and adoption by enhancing documentation, interactive
Storybook examples, and usage guidelines, making components easier to discover,
implement, and maintain across teams.
• Increased stability and release confidence by expanding automated test coverage and
tightening quality gates for components, reducing regressions and ensuring reliable versioned
releases for downstream applications.
TECH STACK: React, Typescript, MUI, Storybook, React Testing Library, Tailwind, CI/CD

Frontend Engineer - Contract - Direct2Care (USA)

Direct2Care

Internet und Informationstechnologie

10-50 Mitarbeiter

  • Spearheaded the frontend architectural development for one of North America's pioneering telehealth solutions.
  • Collaborated closely with backend teams to ensure seamless API integrations, including Google services.
  • Advocated for and implemented Agile methodologies, optimizing the team’s workflow from product design to deployment.
  • Regularly liaised with UX/UI designers to ensure application aesthetics met user expectations and industry standards.
Tech Stack: JavaScript, TypeScript, React, NextJS, Redux, GraphQL, MUI, Jest, React Testing Library, AWS.

Frontend Engineer - Wohlhart Lernsoftware GMBH (Graz, Austria)

Wohlhart Lernsoftware GMBH

Internet und Informationstechnologie

10-50 Mitarbeiter

  • Played a pivotal role in designing and maintaining high-end educational software tailored for diverse student needs.
  • Utilized Angular for developing intricate frontend systems of multiple Learning Management Systems.
  • Led a small team in creating immersive 2D browser games with PhaserJS, ensuring compatibility across platforms.
  • Instituted coding standards and best practices, elevating the overall quality of software development.
Tech Stack: JavaScript, TypeScript, React, Angular, NextJS, Redux, RxJs, NgRx, GraphQL, MUI, Jest, React Testing Library.

Frontend Engineer - Contract - BuildFire (Bay Area, USA)

Buildfire

Internet und Informationstechnologie

50-250 Mitarbeiter

  • Transformed client requirements into fully-functional applications, enhancing the capabilities of the BuildFire framework.
  • Integrated Stripe, providing seamless e-commerce functionalities to a broad user base.
  • Proactively identified performance bottlenecks and optimized apps to achieve swift load times, enhancing user experience.
  • Collaborated with cross-functional teams to ensure application stability and maintain legacy codebases.
Tech Stack: JavaScript, TypeScript, React, Redux, Angular, GraphQL, MUI, Jest, React Testing Library, Google Firebase.

Frontend Engineer - Contract - BMW

BMW AG

Automobil und Fahrzeugbau

>10.000 Mitarbeiter

  • Created bespoke single-page applications for luxury vehicle titan, BMW, ensuring responsive and intuitive user interactions.
  • Orchestrated deployments on Microsoft Sharepoint, collaborating with backend teams for fluid content management.
  • Played a key role in the onboarding and mentorship of new team members, fostering a culture of continuous learning.
Tech Stack: JavaScript, TypeScript, React, Redux, Jest, Microsoft Sharepoint.

Full-Stack Engineer - Solution404 (Sarajevo, Bosnia and Herzegovina)

Solution404

Internet und Informationstechnologie

10-50 Mitarbeiter

  • Designed and implemented core features for a comprehensive cleaning service platform, leading to increased user engagement.
  • Managed both frontend and backend components, ensuring streamlined operations and efficient data handling.
  • Collaborated with stakeholders to develop a crucial mobile app for national mine detection, aiding in public safety efforts.
Tech Stack: JavaScript, TypeScript, React, React Native, Redux, Node, Express, MongoDB.

Zertifikate

AWS - Cloud Practitioner

Amazon Web Services

2021

Portfolio

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Versichert bis: 01.11.2026

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