Applike23d ago

Working Student - Backend Developer & Data Detective

HamburgWorking Studentmid

EngineeringOtherBackend EngineeringBackend Developer

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Quick Summary

Overview

adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that take its app partners’ business to the next level.

Technical Tools

awsazurecsharpgcpgojavajavascriptmysqlpostgresqlreactsqltypescriptci-cdcode-reviewdata-analysisetlmachine-learningrest-apissql-optimization

adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that take its app partners’ business to the next level. Part of the applike group ecosystem, adjoe is home to an advanced tech stack, powerful financial backing from Bertelsmann, and a highly motivated workforce to be reckoned with.

The Advertising Solutions department builds the core technologies to help mobile publishers acquire the right users for their apps and games. The team is proud that adjoe’s software – developed 100 percent in-house – manages, provides, and analyzes advertisements for more than 200 million daily mobile users.

adjoe’s Advertising Solutions department builds modern user interfaces and software and powers its analytics in the dashboard with state-of-the-art databases like Druid. All to give advertisers and account managers the insights they need. The team provides statistical data via a dashboard in order to supply our partners with valuable insights. For this we leverage machine learning models built by our BI analysts and data scientists.

Besides delivering high standards, Advertising Solutions remains flexible and autonomous from adjoe’s other tech teams. To develop new platform features fast, this versatile team works on adjoe’s Go backend, which feeds data to the TypeScript React frontend.

As part of the Advertising Solutions team, the Demand Integrations team is responsible for core logic of our advertising platform: campaign distribution to find the best combination of advertising campaigns for end users, campaign management API to optimize existing advertising campaigns and some other smaller API products.

The Demand Integrations team also handles integrations with our external partners like our attribution partners – MMPs (Appsflyer, Adjust, etc.) or aggregators working with the advertisers using our platform.

About the Role

~1 min read

We are looking for a motivated working student to support our engineering teams at the intersection of backend development and business intelligence. You will contribute to building scalable services in Go while also working with SQL queries and analytics use cases.

This role is ideal for students who enjoy both software engineering and data-driven problem solving.

What We Offer

~2 min read

✓Hands-on experience

✓Flexible working hours to fit your study schedule

✓Opportunity to work on real-world data and scalable systems

✓Learning from code reviews done by experienced senior developers

✓Potential for long-term growth or full-time conversion

✓Support the development and maintenance of backend services using Go (Golang)

✓Write SQL queries for data analysis

✓Assist in building and maintaining data pipelines and integrations

✓Collaborate with BI/data teams to deliver insights

✓Help improve data quality, validation, and monitoring processes

✓Document technical solutions and data workflows

✓Currently enrolled in a degree program in Computer Science, Data Science, or a related field

✓Experience with some backend language (Node.js, C#, Java) and a strong interest in learning Go (Golang)

✓Track record of past projects you can demonstrate and discuss about

✓Very good understanding and proficiency in SQL (joins, aggregations, query optimization) and exposure to relational databases (PostgreSQL, MySQL)

✓Familiarity with REST APIs and backend concepts

✓Familiarity with cloud platforms (AWS, GCP, or Azure)

✓Understanding of Git and CI/CD pipelines

✓Analytical mindset and attention to detail

✓Solid communication skills and ability to work in a team

✓Live Your Best Life, at Work and Beyond: We work in a hybrid setup with 3 core office days, plus flexible working hours. Enjoy a lot of vacation days, hybrid work model, free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP), and many other benefits!

✓Thrive Where You Work: Enjoy the Alster Lake view from our central office with top-notch equipment, fun open spaces, and a large variety of snacks and drinks.

✓Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.