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Sebastian PostuSP

Sebastian Postu

Frontend Developer | Angular & Ionic

€220/day
Bucharest, RO
3-7 years

Average response time: 1 hour

About Sebastian

Seasoned Frontend Developer with a proven track record of designing and implementing responsive, user-friendly web and mobile applications. Specializing in Angular, Ionic, and JavaScript frameworks, I have contributed to diverse projects across sectors such as healthcare, government, and hospitality. My expertise lies in developing custom UI components, optimizing application performance, and integrating complex systems to deliver seamless digital experiences.

I excel in creating maintainable, efficient code structures using tools like SCSS, ensuring consistent and scalable UI designs. With hands-on experience in consuming and optimizing RESTful APIs, I have successfully integrated real-time data features and external services, including advanced functionalities like speech-to-text processing. A strong advocate for Agile practices, I collaborate closely with cross-functional teams and emphasize continuous learning and adherence to coding best practices through code reviews and unit testing with Jasmine and Karma.
  • English

    Native or bilingual

  • Romanian

    Native or bilingual

Can work on-site
Bucharest (up to 50km)

Experience

  • WEB PRODUCTION LABS
    Frontend Developer
    PUBLIC SECTOR
    March 2024 - Today (2 years and 3 months)
    Bucharest, Romania
    • Led the redesign of two government applications' user interfaces, enhancing usability and accessibility.
    • Developed intuitive, accessible UIs using Angular & Ionic, improving usability for 150,000 users and increasing 5-star ratings by 20%.
    • Conducted user research and usability testing to gather feedback and iterate on design solutions.
    • Implemented modern design principles and best practices to improve user experience.
    • Provided ongoing support and maintenance for the redesigned applications, addressing user feedback and technical issues.
    • Helped deliver the project in 2 months, ahead of the 3-month estimate.
  • Kronsoft Development
    Frontend Developer
    HEALTH AND WELLNESS
    April 2022 - February 2024 (1 year and 10 months)
    Bucharest, Romania
    • Worked on a healthcare project that would help both clients and medical staff manage medical reports, schedule appointments, shifts and meetings, view topics and discussions related to a specific diagnosis
    • Helped the front-end technical development for a new project: migrating desktop functionality to web and mobile
    • Actively participated in Agile development processes, including daily stand-ups, sprint planning, and retrospectives.
    • Leveraged knowledge in NGRX to manage state in Angular applications
    • Developed responsive UI components using Sass to streamline CSS and improve maintainability.
    • Used SCSS to build custom UI components for the application, ensuring consistency across the platform.
    • Contributed to a healthcare platform designed for 5,500 medical centers across Germany.
    • Collaborated closely with the backend team to consume RESTful services, optimizing API consumption in the frontend.
    • Helped creating new technical concept for communications based on Matrix protocol using WebRTC
    • Wrote unit tests to increase coverage over 90%
  • EasyProjekts Bliss
    Frontend Developer
    HOSPITALITY
    September 2023 - March 2024 (6 months)
    Bucharest, Romania
    • Helped this startup secure two hotels as early adopters by delivering a refined, user friendly UI.
    • Built and maintained dynamic, responsive user interfaces for the hotel management system using Angular and Angular Material.
    • Integrated RESTful APIs to enable seamless data exchange between the frontend and backend systems, facilitating real-time updates and interactions.
    • Performance Optimization: Conducted performance optimization techniques, such as lazy loading and AOT compilation, to enhance application speed and responsiveness.

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