Working Student - Backend Developer & Data Detective

Description

Job Overview

• Role: Working Student - Backend Developer & Data Detective
• Company: adjoe GmbH
• Location: Hamburg
• Employment Type: Working student
• Category / Department: Marketing and Communication
• Salary: Competitive / Not Disclosed — confirm during interview
• Key Skills / Technologies: Marketing and Communication
• Listing Source: Arbeitnow

Job Description

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.

Meet Your Team: Demand Integrations Team (part of the Advertising Solutions team)

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

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

• 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

What You Will Do:

• 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

Who You Are:

• 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

Fuel for the Journey: Benefits to Support Your Ambitions

• 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.

Skip writing cover letters. Tell us about your most passionate personal project, your desired salary and your earliest possible start date. We are looking forward to your application!

We welcome applications from people who will contribute to the diversity of our company.

Find Jobs in Germany on Arbeitnow

Salary & Compensation

The salary for this position has not been publicly disclosed. Compensation is typically determined based on your experience, skills, and interview performance. Use your research on industry benchmarks and the cost of living in the role's location to negotiate effectively.

In addition to base salary, many employers in this sector offer a comprehensive benefits package that may include:

• Annual or performance-based bonuses
• Health, dental, and vision insurance
• Provident Fund (PF) and Gratuity contributions (India)
• Paid Time Off (PTO), sick leave, and public holidays
• Professional development budget and learning allowances
• Stock options or Employee Stock Ownership Plans (ESOPs) at select companies
• Flexible or remote working allowances
• Parental leave and family health coverage

Note: The specific benefits offered by this employer should be confirmed during the offer stage. Not all benefits listed above may apply to every organisation or role type.

Work Arrangement

Type: On-Site / Full-Time

This is an on-site, full-time position. You will be expected to report to the office or designated work location during standard business hours, Monday through Friday. Some companies offer flexible start and end times or occasional work-from-home days at the manager's discretion. The company fosters a collaborative environment with open workspaces, dedicated meeting rooms, and structured team events.

Typical Interview Process

While each organisation structures its hiring differently, candidates for this type of role typically go through the following stages:

1. Initial application screening
2. Recruiter phone screen (motivation, experience overview)
3. Case study or sales pitch exercise
4. Panel interview with the sales or marketing leadership team
5. Culture-fit interview (HR or People team)
6. Final reference checks and offer

Tip: Be ready to walk through past sales metrics, campaign results, or growth numbers with concrete examples.

About the Employer

adjoe GmbH is the organisation posting this opportunity. While full company details are available on the original job listing, here is what you should research before applying:

• Company size and culture: Review the company's LinkedIn profile, Glassdoor reviews, and their official website to understand team size, work culture, and employee satisfaction.
• Products and services: Familiarise yourself with what the company builds, sells, or delivers. Being knowledgeable about their offerings will set you apart during interviews.
• Recent news: Search for any recent fundraising, acquisitions, product launches, or leadership changes — these often come up in interviews and signal company health.
• Location and offices: The role is based in or around Hamburg. Confirm office address, remote policy details, and travel requirements during the process.
• Where this listing was found: This job was sourced from Arbeitnow.

How to Apply & Preparation Tips

To apply for the Working Student - Backend Developer & Data Detective position, follow these steps:

1. Tailor your resume: Customise your CV to match the specific requirements listed in the job description. Use keywords from the posting to pass Applicant Tracking System (ATS) filters.
2. Write a compelling cover letter: Even if not mandatory, a concise cover letter demonstrating your enthusiasm and fit for the role significantly improves your chances.
3. Apply via the original listing: Use the apply link on the original job post to submit your application. Avoid applying through third-party channels that may delay or lose your submission.
4. Prepare for phone screening: Be ready for an initial call within 3–7 business days of applying. Have your resume and a quiet space ready.
5. Follow up professionally: If you haven't heard back in 7–10 business days, a brief, polite follow-up email to the recruiter is acceptable and often appreciated.

Key skills relevant to this role include: Marketing and Communication. Ensure these are prominently featured on your resume and LinkedIn profile.

Disclaimer: This listing is aggregated from a public job board for informational purposes. JobSetuu does not guarantee the accuracy or current availability of this position. Always verify the details on the employer's official careers page before applying.