Available to hire
Hi, I’m Zeeshan Haider Shaheen, a frontend software engineer based in Bremen, Germany. I build dynamic, user-centric web applications using React, TypeScript, and modern frontend ecosystems, with a strong focus on performance, responsive design, and clean, maintainable code.
I enjoy turning complex requirements into seamless user experiences and collaborating closely with design and backend teams to deliver high-quality products. I’m passionate about learning new technologies, mentoring teammates, and shipping features that make a real impact.
Skills
Language
English
Fluent
German
Intermediate
Work Experience
Frontend Engineer - Internship at ISTARI.ai
July 1, 2025 - PresentEnhanced the UI of ISTARI’s Market Platform to improve usability and user engagement. Implemented new features like example searches, saved markets, and real-time AI chat with markets using Open Router API keys, ReactJS, and Zustand. Deployed applications on AWS Amplify for rapid delivery and scalability. Built and deployed Docker images on AWS Elastic Beanstalk and Azure to ensure reliable cross-platform deployments. Deployed an Azure Logic App to detect and handle memory leaks, improving system stability.
Working Student Software Development at TeamViewer
June 30, 2025 - September 3, 2025Developed advanced file handling and structured data organization features in the File Manager module using Angular, TypeScript, and JavaScript, enhancing workflow efficiency and data accessibility for enterprise users. Resolved critical bugs and improved UI performance in TeamViewer Frontline, leading to a more stable and seamless user experience. Integrated Chart.js with Angular to visualize real-time 3D smart glass data, improving monitoring and decision-making. Designed and implemented an AI-powered transcription feature converting calls into meeting summaries, significantly enhancing productivity and accessibility. Delivered the AI transcription solution as a key value driver, resulting in client contract extension and doubling project funding. Implemented call history and call details functionality using the TeamViewer Component Library with React.js, Next.js, Context API, and integrated APIs.
Frontend Developer - Part-time at Michelberger Digital
July 31, 2022 - September 3, 2025Built a scalable and reusable Tailwind CSS component library based on Figma design systems, accelerating UI development and ensuring consistent branding across multiple applications. Developed core frontend architecture using ReactJS, Next.js, and TypeScript, improving code maintainability, scalability, and developer experience. Implemented React Context for efficient state management, streamlining data flow and improving application performance. Used Storybook to document and test UI components in isolation, enabling better collaboration between design and development teams. Conducted detailed UX research and competitive benchmarking to align frontend solutions with industry best practices, resulting in a more intuitive and performant user experience.
Software Engineer - Full-time at Invotyx
November 30, 2021 - September 3, 2025Developed responsive and scalable frontend interfaces using ReactJS and Next.js, ensuring seamless user experiences across devices and browsers. Designed and implemented key features for a social media platform leveraging Redux and Material UI to drive user engagement and support real-time interactions. Built a customer-centric food delivery application focusing on usability and performance, leading to improved service adoption and customer satisfaction. Collaborated closely with designers via Figma and implemented real-time functionality using Pusher, enabling dynamic user interactions and live updates.
Frontend Developer - Contract at Octagloix
March 31, 2021 - September 3, 2025Built a fully functional e-commerce web application using ReactJS, Next.js, and Redux, enabling users to browse products, manage carts, and complete purchases securely. Designed responsive and accessible UI components with Tailwind CSS, ensuring a seamless shopping experience across all devices. Integrated REST APIs for dynamic product listing, user authentication, and order management, streamlining backend communication and improving performance. Transformed high-fidelity Figma designs into pixel-perfect frontend implementations, maintaining visual consistency and improving user engagement. Focused on performance optimization, usability, and UX best practices, contributing to increased user retention and overall customer satisfaction.
Frontend Engineer - Internship at ISTARI.ai
July 1, 2025 - PresentEnhanced ISTARI’s Market Platform UI by implementing features such as dashboards, saved markets, and real-time AI chat using Open Router API keys, ReactJS, and Zustand for state management. Deployed apps on AWS Amplify for rapid delivery and scalability. Containerized deployments with Docker on AWS Elastic Beanstalk and Azure. Implemented an AI-powered transcription feature and integrated with the TeamViewer Component Library to support meeting notes and call history functionality.
Working Student - Software Development at Web Foundation Team
June 1, 2025 - September 18, 2025Developed advanced file handling and data organization features in the File Manager module using Angular, TypeScript, and JavaScript, improving workflow efficiency and data accessibility for enterprise users. Resolved critical bugs and improved UI performance in TeamViewer Frontend, leading to more stable and seamless user experiences. Integrated Chart.js to visualize real-time 3D smart glass data (battery percentage, temperature, system metrics) for monitoring and decision-making. Designed and implemented an AI-powered transcription feature in Angular/TypeScript, enhancing productivity and accessibility. Delivered the AI transcription solution as a key value driver, contributing to client contract extension and increased project funding. Implemented call history and call details functionality using the TeamViewer Component Library with React.js/Next.js and Context API.
Frontend Developer - Part-time at Michelberger Digital
July 1, 2022 - September 18, 2025Built a scalable and reusable Tailwind CSS component library based on Figma design systems, accelerating UI development and ensuring consistent branding across multiple applications. Developed core frontend architecture using ReactJS, Next.js, and TypeScript, improving code maintainability, scalability, and developer experience. Implemented React Context for efficient state management, streamlining data flow and enhancing app performance. Used Storybook to document and test UI components in isolation, enabling better collaboration between design and development teams. Conducted detailed UX research and competitive benchmarking to align frontend solutions with industry best practices, resulting in a more intuitive and performant user experience.
Software Engineer - Full-time at Invotyx
November 1, 2021 - September 18, 2025Built a fully functional e-commerce web app using ReactJS, Next.js, and Redux, enabling users to browse products, manage carts, and securely complete purchases. Designed responsive and accessible UI components with Tailwind CSS, ensuring a seamless shopping experience across devices. Integrated REST APIs for dynamic product listings, user authentication, and order management, streamlining backend communication and improving performance. Transformed high-fidelity Figma designs into pixel-perfect frontend implementations, maintaining visual consistency and improving user engagement. Focused on performance optimization, usability, and UX best practices, contributing to increased user retention and overall customer satisfaction.
Frontend Engineer - Internship at ISTARI.ai
July 1, 2025 - PresentEnhanced the UI of ISTARI's Market Platform, improving usability and user engagement. Implemented features including search, saved markets, and real-time AI chat using Open Router API keys, ReactJS, and Zustand. Deployed apps on AWS Amplify for rapid delivery and scalability. Built and deployed Docker images on AWS Elastic Beanstalk and Azure, ensuring reliable cross-platform deployments. Implemented an Azure Logic App to detect and handle memory leaks, improving system stability.
Working Student Software Development at Web Foundation Team
June 1, 2025 - September 18, 2025Developed advanced file handling and structured data organization features in the File Manager module using Angular, TypeScript, and JavaScript, enhancing workflow efficiency and data accessibility for enterprise users. Resolved critical bugs and improved UI performance in TeamViewer Frontline. Integrated Chart.js for real-time visualization of 3D smart glass data (battery percentage, temperature, system metrics) to support monitoring and decision-making. Designed and implemented an AI-powered transcription feature with Angular/TypeScript, boosting productivity and accessibility. Delivered AI transcription as a key value driver, contributing to client contract extension and increased project funding. Implemented call history and call details functionality using the TeamViewer Component Library with React.js, Next.js, Context API, and integrated APIs.
Frontend Developer - Part-time at Michelberger Digital
July 1, 2022 - September 18, 2025Built a scalable and reusable Tailwind CSS component library based on Figma design systems, accelerating UI development and ensuring consistent branding across multiple applications. Developed core frontend architecture using ReactJS, Next.js, and TypeScript, improving code maintainability, scalability, and developer experience. Implemented a React Context for efficient state management, streamlining data flow and app performance. Used Storybook for documentation and isolated UI components, enabling better collaboration between design and development teams. Conducted UX research and competitive benchmarking to align frontend solutions with industry best practices, resulting in a more intuitive and performant user experience.
Software Engineer - Full-time at In votyx
November 1, 2021 - September 18, 2025Developed responsive and scalable front-end interfaces using ReactJS and Next.js, ensuring seamless user experiences across devices and browsers. Designed key features for a social media platform, leveraging Redux and Material UI to drive user engagement and real-time interactions. Built a customer-centric food delivery app focused on usability and performance, leading to improved service adoption and customer satisfaction. Collaborated closely with designers via Figma and implemented real-time functionality using Pusher, enabling dynamic user interactions and live updates.
Frontend Developer - Contract at Octagloix
March 1, 2021 - September 18, 2025Built a fully functional e-commerce web application using ReactJS, Next.js, and Redux, enabling users to browse products, manage carts, and securely complete purchases. Designed responsive and accessible UI components with Tailwind CSS, ensuring a seamless shopping experience across devices. Integrated REST APIs for dynamic product listing, user authentication, and order management, streamlining backend communication and improving performance. Transformed high-fidelity Figma designs into pixel-perfect frontend implementations, maintaining visual consistency and enhancing user engagement. Focused on performance optimization, usability, and UX best practices, contributing to increased user retention and overall customer satisfaction.
Education
M.Sc. Digital Media Informatics at University of Bremen
January 1, 2022 - January 1, 2026B.Sc. Computer Science at NUCES FAST, Pakistan
January 1, 2015 - January 1, 2020Master of Science in Digital Media Informatics at University of Bremen, Germany
January 1, 2022 - January 1, 2026Bachelor of Science in Computer Science at NUCES FAST, Pakistan
January 1, 2015 - January 1, 2020Master of Science in Digital Media Informatics at University of Bremen
January 1, 2022 - January 1, 2026Bachelor of Science in Computer Science at NUCES FAST, Pakistan
January 1, 2015 - January 1, 2020Qualifications
Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Computers & Electronics
Skills
Hire a Front-End Developer
We have the best front-end developer experts on Twine. Hire a front-end developer in Bremen today.