Senior Data Engineer (m/f/d)

Berlin - Data and Insights

As one of the most successful FinTech companies in Europe, Taxfix is an exciting place to work. We’re revolutionising filing taxes – and saving people money, time and stress by putting a personalized digital tax consultant in the palm of their hands. 

In just 2 years, Taxfix has raised €42 million from some of the best investors in the world.  We achieved this by putting our customers at the core of what we do and helping them

save millions of euros every week. 



Our Mission


Our mission is to help people get their maximum tax refunds in a convenient, transparent and timely manner, hassle-free. Our user-friendly Taxfix App enables people to file within 22 minutes, without any prior tax knowledge or complicated forms. 

Our talented team creates products that help people improve and simplify their lives. Our diverse group of 100+ people comes from over 25 nations, with a shared passion for product development and creating an outstanding user experience. Join a team of smart, ambitious, driven people who value open communication and processes. 




  • Design and implement ETL processes and Data models 

  • Monitor, maintain and optimize current data pipelines and existing workflows 

  • Develop initiatives on ensuring data quality, accuracy, and reliability across the whole data organization 

  • Implement and maintain data APIs and microservices 

  • Architect and develop continuous integration and deployment processes 

  • Support data analysts and data scientists in operationalizing analytics and machine learning code

You will create data pipelines and build ETL jobs which feed different data destination. You will help our Data modeling team in building and maintaining our DWH. You will be responsible to monitor, maintain and optimize existing workflows and processes. You will work in a cross-functional team with product managers, data scientists and data engineers to bring Taxfix to the next level.



  • Three or more years of working experience as a data engineer or similar position

  • You have experience working in large-scale data processing pipeline and cloud infrastructure (Airflow is a plus)

  • You can implement and proactively research new ways to maintain data models to unlock actionable insights and improve processes

  • You can design and manage cloud-hosted Big Data Infrastructure (AWS or Google Cloud).

  • You are experienced with SQL (PostgreSQL, Snowflake)

  • You do not mind working with Unstructured datasets and Event tracking databases

  • You are confident working with python (Pandas, Scikit learn, PySpark), R is a plus

  • You work with Git, Continuous Integration, and TDD

  • Fluent in English



What You Gain:


  • Get to make an impact on thousands of people’s lives every day 

  • Be paid a competitive salary with stock options 

  • Benefit from remote work opportunities and flexible working hours 

  • Have the option to take German language courses 

  • Be supported to grow and take leadership from day one 

  • Work with the best and learn from other competent and brilliant people 

  • Work in a beautiful, inspiring office in Friedrichshain 

  • Have the option to bring your best buddy to work. We love dogs! 

  • Get relocation and visa support


At Taxfix, we don’t just accept diversity, we celebrate it! We’re proudly committed to equal employment opportunities no matter your gender, race, religion, age, sexual orientation, color, disability or place of origin. We care about one another at Taxfix and are grateful for each person’s contribution to our overall purpose and goals. 

Join us to build a better future together!