Junior Data Engineer & MarTech Specialist (Mobile Apps) English Speaking (m/w/d)

The Relevance Group

4d•Hybrid

About The Position

Customlytics is the leading app marketing agency & consultancy in the DACH region. Our international team of professionals from more than 10 nationalities helps apps succeed and drives the professionalization of the app industry by working with every relevant app business in the market. As a Junior Data Engineer & MarTech Specialist, you will work at the intersection of data infrastructure and marketing technology. You will support the setup, maintenance, and monitoring of clients' mobile app marketing and tracking systems, helping ensure data quality across data pipelines, Mobile Measurement Partners (MMPs like Adjust and AppsFlyer), and campaign analytics platforms.

Requirements

Background in data engineering, analytics engineering, or a related discipline, with an interest in marketing data, tracking systems, and campaign attribution.
Basic understanding of product feed structures; experience with tools like ProductsUp is a plus.
Introductory knowledge of MMPs (Adjust, AppsFlyer); willingness to learn troubleshooting and tracking fundamentals.
Familiarity with platforms such as Meta, Google, Apple Search Ads, or TikTok (hands-on experience is a plus).
Experience working with Excel or Google Sheets; understanding of simple data handling and reporting.
Interest in tools such as ChatGPT, Make.com, or Google Sheets automation; no advanced experience required.
Curious and detail-oriented, with a willingness to learn how data supports marketing decisions.
Able to communicate clearly, ask questions, and work effectively within a team.
Structured, proactive, and eager to develop technical and analytical skills.
Fluent in English (spoken and written); German is a plus but not required.

Nice To Haves

Experience with tools like ProductsUp.
Hands-on experience with advertising platforms such as Meta, Google, Apple Search Ads, or TikTok.
German language skills.

Responsibilities

Support the setup, maintenance, and monitoring of Mobile Measurement Partners (MMPs) such as Adjust and AppsFlyer, helping ensure accurate tracking and attribution functionality.
Help maintain and structure clients' product feeds, campaign datasets, and automated data pipelines, ensuring high data quality and reliability.
Assist in identifying and troubleshooting basic tracking, event collection, or data integration issues across mobile app campaigns.
Support the connection of marketing tools, ad platforms (Meta, Google, TikTok), and data sources to improve campaign visibility and reporting workflows.
Contribute to dashboard creation and visualization updates in tools such as Clarisights, Adverity, and Google Sheets to support data-driven decision-making.
Collaborate with senior team members, consultants, and client developers to understand technical requirements and support implementation tasks.

Benefits

Access to certifications, 360° feedback, and salary progression.
Real opportunities to grow together with your team and the company.
Work remotely for up to 90 days per year; anywhere in Germany or internationally.
Office Vibes in Friedrichshain: Snacks, drinks, height-adjustable desks, and focus rooms for deep, concentrated work.
Germany Ticket: We cover most of your public transport costs.
Top-Notch Equipment: MacBook, noise-cancelling headphones, and all the tools you need to succeed.
Corporate Benefits: Exclusive deals with popular online brands.
Support for Parents: Extra support for parents with preschool-aged children.
Team Culture & Events: From monthly activities to our big annual meetup in Berlin, we create space to celebrate, connect, and grow as a team.
German Language Courses: We support you with professional online German classes.
Referral Bonus: Whether new teammates or new clients, your recommendations pay off.