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Lorenz ThiemerLT

Lorenz Thiemer

Software Developer | Cloud & Automation

€720/day
Berlin, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Lorenz

I support companies in digitizing internal processes by developing customized web and enterprise applications, as well as building and further developing the necessary cloud infrastructure.

My focus is on application development, automation, and cloud environments. I often work on projects where manual processes are replaced, existing systems are meaningfully connected, or internal applications are newly developed.

I take on the complete technical implementation:
Frontend, Backend, Databases, as well as Cloud and Deployment Setup.

Typical tasks and projects:
• Digitization and development of internal company software
• Development of web applications and internal tools
• Automation of processes, workflows, and email processes
• Development and connection of interfaces (APIs)
• Setup and operation of cloud infrastructure (Azure, AWS)
• Deployment, maintenance, and further development of existing applications
• Analysis and optimization of database queries (e.g., PostgreSQL)
• Data migrations as well as authentication and rights management systems
• Microsoft extensions for Outlook or Teams, bots, and AI integrations (OpenAI, Claude)

Whether you have specific requirements or still have questions, I am happy to be available for a brief exchange for an initial assessment.
  • German

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • FERCHAU GmbH
    Senior Full Stack Developer
    HUMAN RESOURCES
    April 2025 - June 2025 (2 months)
    Leipzig, Germany
    • Full-Stack Development at Level Build AG.
    • Development of a No-Code platform: Building frontend UI components, backend API development, database design, and integration.
    • Implementation of features and functionalities. Standard Full-Stack development: Frontend, Backend, SQL database design, testing, and deployment.
    Storybook Lit C# database-management No code
  • SGB Energie GmbH
    Lead Software Engineer
    ENVIRONMENTAL
    September 2024 - March 2025 (6 months)
    Leipzig, Germany
    • Development of internal Full-Stack applications.
    • Cloud migration from Azure to AWS: Building AWS infrastructure, setting up RDS databases with proxy and Multi-AZ for High Availability.
    • Implementation of security architectures and IAM configurations.
    • Building CI/CD pipelines with GitLab.
    • Management of the AWS budget during the migration phase.
    • Contribution to software architecture decisions and onboarding of new team members.
    Amazon Web Services Gitlab CI/CD Kubernetes Site Reliability Engineering
  • Kantiko GmbH / Kontool.de
    Software Developer
    SOFTWARE PUBLISHING
    November 2021 - June 2024 (2 years and 7 months)
    Berlin, Germany
    • Development of internal tools and dashboards for Kontool.de, a Business Intelligence SaaS platform.
    • Building API testing tools and unit tests (NUnit, Selenium, Puppeteer) for quality assurance.
    • Evaluation and integration of various chart libraries for data visualization.

    • Development of internal administration tools with C# (.NET), TypeScript, and Python. Contribution to backend logic and frontend components.
    ASP.NET Core Typescript C# Selenium Puppeteer

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Education

  • OSZ Information and Medical Technology
    2024
    OSZ Informations- und Medizintechnik

Certifications

Skill set

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