Application Development
Systems Integration
Data Engineering

Design, development, and modernization of user-centric and data-driven applications.

Dennis Otto

Profile

Full Stack, APIs, Data Transformation

I have been developing and modernizing web and data applications since 2008.

My focus is on PHP, Python, APIs, integration architectures, and reliable event-driven processes. I combine technical depth with pragmatic collaboration—from pair programming and code reviews to Scrum and Kanban.

PHP Symfony Laravel Python JavaScript SCSS MySQL / MariaDB PostgreSQL BigQuery dbt Airflow RabbitMQ Docker AWS

Experience

Professional experience

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2020/09 - present

Smartbroker AG

Senior Backend Developer

Shared technical responsibility for backend, integration, and data solutions with a focus on architecture, solution design, and smooth production operations.
Agile development with Scrum and active participation in planning sessions and retrospectives.
High test coverage and a consistent commitment to quality in an environment where reliability and trust are essential.

PHP Symfony RabbitMQ Python Airflow
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2008/08 - 2020/08

Quadriga Media Berlin GmbH

(Senior) Web Developer

Full-stack web development with technical responsibility for architecture and solution design, plus a particular focus on usability and the modernization of legacy systems.
Close collaboration with business departments to develop tailored solutions for customers and colleagues.

PHP Laravel CodeIgniter JavaScript SCSS
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Background

Education and languages

Education

Vocational training as an IT assistant

Oberstufenzentrum für Informations- und Medizintechnik

Berlin · 2005–2008

Languages

German

Native

English

B2/C1

Contact

Let’s start a conversation

Would you like to discuss a technical topic or have a suitable opportunity in mind? I welcome a confidential message or phone call.

Write an email +49 176 622 47 871 View résumé LinkedIn GitHub