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Mert I.MI

Mert I.

Full-Stack Developer with UX Research Background (V

€550/day
Mannheim, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mert

Full-Stack Development with a UX Perspective — I build products that not only work but are also understood.
Many digital products fail not because of the technology, but because of decisions that are questioned too late. With a Master's degree in Cognitive Science and UX Research experience at DFKI, I bring a perspective that is rare in the pure developer world: I question before I build.
What I work with:

Frontend: Vue.js, React, TypeScript, Tailwind
Backend: PHP/Symfony, Node.js, Supabase
Mobile: React Native, Android (Kotlin)
UX: User Interviews, Usability Tests, Prototyping (Figma)

Typical Projects:

MVPs for Startups (from idea to first user version)
UX audits of existing web applications with subsequent technical implementation
Frontend refactoring and performance optimization
Mobile apps for the DACH market

I enjoy working with teams that prioritize quality over speed — but also know when an 80% MVP is more important than a perfect solution.
Location: Mannheim. Remote or hybrid, preferably on-site in the Rhine-Neckar region.
  • Turkish

    Native or bilingual

  • German

    Fluent

  • English

    Fluent

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

Experience

  • IServ
    Software Developer
    February 2026 - Today (6 months)
    Development and ongoing support of the mMDM system (tenant MDM) for schools and educational institutions. Focus areas: Symfony/PHP backend, Vue.js frontend, Apple MDM/DEP integration. Work on the migration from v3 to v4 and on Apple device management workflows.
    PHP Symfony
  • SBE network solutions GmbH
    Software Developer
    May 2025 - February 2026 (9 months)
    LogoDidact Deploy & LogoDidact Portal Development of new features for Deploy with Angular, TypeScript, Angular Material, and SCSS. Participation in the complete rebuild of the portal, especially through contributions to dialog management.
  • mexxon Kidaton GmbH
    Front-End Developer
    September 2023 - April 2025 (1 year and 8 months)
    Project participations overview:
    Dentradar )
    Development of new features and resolution of technical frontend problems using Vanilla JavaScript, Alpine.js, CSS, and Thymeleaf.
    Maklerradar )
    Comparable tasks as with Dentradar. Focus on UI optimization and expansion of existing features with Vanilla JavaScript, Alpine.js, CSS, and Thymeleaf.
    Bundesanzeiger Verlag (11/2023 – 08/2024)
    Implementation of new functionalities in the frontend with Vanilla JS, CSS, and Thymeleaf. Additionally, backend development with Java Spring Boot.
    Maklerradar 25 )
    Main responsibility for the complete implementation of the Admin and Customer area, which was conceived and implemented independently by me. Use of React.js in combination with Material UI components. Additionally, backend tasks with Java Spring Boot and active participation in CI/CD integration via GitLab and Docker. Frontend components were tested using Vitest, supplemented by unit tests in the backend.
    Soft Skills and Communication Skills:
    Active participation in agile Scrum processes including sprint planning and retrospectives
    Bilingual communication with stakeholders and team members in German and English
    Presentation of frontend functionalities to internal and external clients

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Education

  • Full Stack Software Engineering Bootcamp
    Coyotiv GmbH
    2023
    Full Stack Software Engineering Bootcamp
  • Cognitive Science M.Sc.
    Kaiserslautern Technical University
    2022
    Science M.Sc.

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