Junior Data & AI Engineer (m/f/x)

Travelcircus GmbH; Berlin; On-site; EUR 52,000 - 76,000; Full time

Benefits offered by this job

Flexible hours

Alexanderplatz office

Team events

Flat hierarchies

Onboarding program

BVG discount

Travel budget

Pension plan

Vacation days

Job summary

Travelcircus GmbH in Berlin is hiring a Junior Data & AI Engineer (m/f/x) to build AI agents, maintain ETL pipelines, and expand our data warehouse. You will work with the DevOps team on deployment and support monthly financial reporting.

Ideal candidates have solid Python and SQL, some experience with LLM APIs or agent frameworks, and familiarity with Git, Docker and CI/CD. The role offers flexible hours, an international team, and strong development opportunities.

Qualifications

• Solid Python and SQL; you have built real projects.
• Hands-on experience with LLM APIs or agent frameworks.
• Familiar with Git, Docker and CI/CD basics.
• Experience with data pipelines (Airflow) and BI tools (Metabase/Tableau).
• Ownership mindset; shipping usable, real-world solutions.

Responsibilities

• Build AI agents and automations from prototype to production.
• Maintain Airflow DAGs and Dockerized services behind them.
• Improve data warehouse across Trino, BigQuery and MongoDB.
• Create Metabase dashboards for marketing, sales and leadership.
• Own marketing analytics: GA4, A/B testing and attribution data.
• Support monthly financial reporting with finance teams.

Skills

Python

SQL

LLM APIs

Ownership

English

German

Marketing data

Tools

Git

Docker

CI/CD

Airflow

Metabase

Tableau

Trino

BigQuery

MongoDB

Job description

Intro

Do you love travelling and extraordinary hotels and events, and are you ready for a new challenge? Would you like to be part of an ambitious team in a fast-growing, internationally active company that offers you attractive benefits and excellent development opportunities? Then you’ve come to the right place!
Start your career with us as:
Junior Data & AI Engineer (m/w/x)
as of January 2027

Your responsibilities

As aJunior Data & AI Engineer (m/f/x)at Travelcircus, you will build AI agents and automations that take over repetitive work across the company, from first prototype to production. You will also keep our data foundation running: maintaining and extending our ETL pipelines in Airflow, improving our data warehouse, supporting our web tracking setup, and building Metabase dashboards that give stakeholders timely and accurate insights. You’ll work closely with the DevOps team on deployment and infrastructure, and support our monthly financial reporting. This full-time position is based in our vibrant office in Berlin.

Things you will work on

• Build AI agents and automations: Identify repetitive processes across the company, then design, build and deploy LLM-powered agents and workflows (e.g. Claude API, tool use / MCP) that take them over, from prototype to production.
• Own our data pipelines: Maintain and extend Airflow DAGs and the Dockerized Python services behind them, deployed via GitLab CI/CD.
• Maintain and improve our DWH: Work across Trino, MariaDB, BigQuery and MongoDB, covering data modelling, performance and data quality.
• Enable the business with data: Build and maintain Metabase dashboards and reports for marketing, sales and leadership.
• Own marketing analytics:Maintain and analyze Web (GA4), A/B testing and attribution data
• Support financial reporting: Prepare monthly financial reporting together with finance, and help automate it over time.

What we offer

• FLEXIBLE WORKING HOURS thanks to part-time and flexitime models as well as remote work (2 days a week)
• ATTRACTIVE WORK ENVIRONMENT close to Alexanderplatz in a stylish office with start-up flair, cooking together, fun & cohesion in a varied working environment and regular team events
• TRANSPARENT COMMUNICATION thanks to flat hierarchies, fixed feedback cycles and weekly company and team meetings
• OPTIMAL CAREER OPPORTUNITIES thanks to a comprehensive onboarding program and individual induction, continuous on-the-job training, optimal promotion and further development opportunities
• ADDITIONAL COMPENSATION & DISCOUNT on the BVG company ticket (local public transport) and discounts with over 800 other providers
• PERSONAL TRAVEL BUDGET of €1080 per year to spend freely on our entire product portfolio
• WORK LIFE BALANCE with 28 vacation days, increasing per year of service, with up to 35 days of vacation entitlement as well as company health management and a pension plan

Your profile

• Solid Python and SQL; you've built something real with them (work, studies or side projects)
• First hands-on experience with LLM APIs or agent frameworks, and genuine curiosity about AI automation
• Familiarity with Git, Docker and the basics of CI/CD
• Some exposure to data pipelines or orchestration (Airflow or similar) and to BI tools (Metabase, Tableau, or similar)
• A pragmatic, ownership-driven mindset: you like shipping things that people actually use
• (optional) Experience with Marketing/E-commerce data (Attribution models, Web Analytics)
• (optional) Experience with Trino, BigQuery or MongoDB
• Your English skills are excellent in both, writing and speaking, German is a plus.

Team Travelcircus

Over the past few years,Travelcircus has developed into an internationally active company with over 100 highly motivated and committed employees who form the basis of our success. If you would like to get to know our team, then take a look at ourInstagram career page - there you will get a first impression of your future colleagues. We expressly declare that we welcome everyone, regardless of gender, nationality or ethnic origin, religion or ideology, disability, age or sexual identity. We look forward to getting to know you!