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German KolbergGK

German Kolberg

Full stack Developer

€300/day
Valencia, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About German

  • Spanish

    Native or bilingual

  • English

    Conversational

  • German

    Conversational

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

Experience

  • hybrid
    Front End Developer
    May 2025 - Today (1 year and 3 months)
    Valencia, Spain
    • - Contributed to the development of a web platform for network session analysis and troubleshooting (telecommunications), consisting of an Angular SPA and a microservices architecture with over 20 Golang microservices deployed on Kubernetes via a Helm umbrella chart.
    • - Worked within a multicultural engineering team distributed across Spain, France, Canada, and India, following Scrum agile methodology. All Scrum ceremonies conducted entirely in English.
    • - Contributed to the development and maintenance of the front-end application using Angular v21 (standalone components, signals, etc.), Angular Material, TypeScript, JavaScript, RxJS, HTML, and SCSS.
    • - Implemented unit tests with high code coverage using Jest.
    • - Participated actively in code reviews.
    • - Coordinated releases between the Angular SPA and the Helm umbrella chart (Kubernetes): managed image version updates and maintained runtime configuration variables when introducing new features or environment changes.
    • - Managed the full feature lifecycle in GitLab: creation and labeling of issues, authoring of Merge Requests with their corresponding labels, and monitoring of CI/CD pipelines (MR pipelines and merge trains) to ensure the integrity of each release.
    • - AI-assisted development using GitHub Copilot, Codex, Antigravity, and Claude Code.
    • - Participated in the monthly release cycle following code freeze and code delivery methodology, coordinating the timely delivery of incremental updates within established deadlines.
  • Chattigo
    Front End Developer
    August 2021 - May 2025 (3 years and 9 months)
    Chile
    • - Front-end development in Angular 12+: markup (HTML, HTML5, CSS, SCSS, BEM, Flexbox, CSS Grid), logic implementation (JavaScript, TypeScript), and integration with server-side REST services (REST API and WebSockets). IDEs: WebStorm and Visual Studio Code. Implementation of designs produced in Figma. Creation of micro frontends using Angular Elements (Web Components).
    • - Developed and integrated new components into the company's Storybook library. Implemented NgRx for scalable application state management.
    • - Unit and integration testing with Jasmine and Karma.
    • - REST endpoint integrations in BFF using GO/Golang.
    • - Detection and resolution of bugs in Java microservices built with Spring.
    • - Database querying, script creation, and stored procedure fixes: MongoDB, DataGrip, SQL, SQL Server.
    • - Docker image management in the development environment and Kubernetes pod administration via Lens. Bitbucket, Bitbucket Pipelines CI/CD.
    • - Work methodology: Scrum, ceremonies: Daily, Review, Planning, Retro, Refinements. Backlog tracking in Jira. Kanban used for task management.
  • Incluit (now Avenga) - Supervielle
    Front End Developer
    April 2021 - August 2021 (4 months)
    Argentina
    • - Front-end development for the new Mipyme electronic credit invoice application. Short experience

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Education

  • Information Systems Engineering
    Universidad Tecnológica Nacional (UTN) (Facultad Regional Buenos Aires)
    2020
    Information Systems Engineering
  • Medicine
    Universidad de Buenos Aires (UBA)
    2015
    Medicine

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