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Thodoris DoumtsisTD

Thodoris Doumtsis

Software Engineer | React • Angular • Next.js

€650/day
Berlin, DE
8-15 years

Average response time: 1 hour

About Thodoris

Senior Full Stack Engineer with over 10 years of experience building scalable single-page
applications. Specialized in Frontend Architecture with strong capabilities in Node.js and
PostgreSQL. Proven track record at Delivery Hero optimizing high-traffic platforms and
managing cloud infrastructure (AWS, Kubernetes, Terraform).
  • Greek

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

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

Experience

  • null_digital Software Labs
    Independent Software Engineer
    DIGITAL AND IT
    November 2024 - Today (1 year and 7 months)
    Berlin, Germany
    - Developed a full-stack internal 'Link-in-Bio' application using Next.js and PostgreSQL for a commercial printing enterprise. This enabled the production team to generate dynamic digital profiles linked to physical business cards via automated QR codes, completely eliminating the need for external third-party subscriptions

    - Deployed and maintained a containerized infrastructure using Docker, leveraging GitHub Actions to build automated CI/CD pipelines for streamlined production releases.
    Next.js CI/CD Management PostgreSQL Typescript
  • Delivery Hero
    Senior Software Engineer
    E-COMMERCE
    January 2018 - December 2023 (5 years and 11 months)
    Berlin, Germany
    - Designed and developed scalable and maintainable front-end applications using Angular and React, ensuring high-quality code and adherence to best practices

    - Implemented containerization using Kubernetes, ensuring efficient deployment and management of applications.

    - Utilized Terraform to manage and provision infrastructure as code, streamlining deployment and management processes

    - Evaluated and improved the architecture of existing systems, identifying and addressing deficiencies to ensure optimal performance and scalability.
    - Made informed technical trade-offs, balancing short-term needs with long term goals and business objectives.

    - Led the development of complex software projects, dividing work into parallel tasks and reassembling them into cohesive launches.
    - Identified and addressed root causes of technical debt, implementing solutions to improve system performance and scalability.

    - Collaborated with stakeholders to understand business requirements and develop effective solutions.

    - Collaborated with cross-functional teams, including business stakeholders, to ensure alignment and effective communication.

    - Mentored and coached junior engineers, improving their technical knowledge and engineering practices.

    - Helped recruitment efforts by conducting technical interviews for candidates.
    Angular React.js DevOps PostgreSQL Node.js
  • Book'n'Bloom
    Front End Engineer
    October 2013 - July 2017 (3 years and 9 months)
    Thessaloniki, Greece
    Front end development using Javascript and jQuery consuming a RESTFul API and Facebook API working in an agile environment.

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Education

  • Bachelor's degree, Marketing/Marketing Management, General
    Alexander Technological Educational Institute of Thessaloniki
    2011
    Bachelor's degree, Marketing/Marketing Management, General

Skill set

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