Junior Software Engineer - Data

Posted 2 Days Ago
Be an Early Applicant
Berlin, DEU
In-Office
Junior
AdTech • Marketing Tech
The Role
Build and operate production data pipelines, Python services, APIs, database systems, monitoring, tests, and data quality checks. Work across batch and near-real-time workloads while improving the performance, reliability, and cost efficiency of a large data warehouse. Own ambiguous engineering problems from concept through production, using Python, SQL, and databases such as PostgreSQL or MongoDB.
Summary Generated by Built In

This isn’t your regular job. Almedia is a place where those who want to push harder can accelerate their careers faster than anywhere else. We’re aiming to become Germany’s second bootstrapped unicorn. Almedia is already Europe’s #3 fastest-growing company in 2025 (FT1000).

We are building the future of marketing by rewarding our community of over 95 million users for engaging with our advertisers’ products. We are offering a new way to acquire users for the biggest companies in the world.

Berlin, On-site Top-of-Market Compensation - Exceptional commitment deserves exceptional reward

 

Most junior data engineers start by maintaining pipelines someone else designed, working through a ticket queue, and sitting several steps away from the product. Here, you'll build the pipelines and services that run live and feed what millions of users see every day. You'll take the engineering fundamentals you've built and apply them to problems at scale. Your first 12 months compress what takes 3 years elsewhere.

 

You'll join a small team of engineers who have built and run data platforms at scale. You'll work on real problems from week one with the support to solve them. Show us you can own more, and we'll give you more.

 
What You'll Do
  • Build and ship data pipelines that run live in production, from ingestion to storage, across near-real-time and batch workloads.

  • Build Python services and APIs that other teams and products rely on.

  • Work with operational databases and learn to run them under real production load: schema design, reliability, and performance.

  • Build tests, monitoring, and data quality checks that catch problems before a stakeholder has to tell you.

  • Help keep a warehouse of hundreds of terabytes fast, reliable, and cost-efficient.

  • Own undefined data problems from first idea to production. No playbook. You own it all.

 
What You'll Bring
  • Strong Python and SQL. You use AI tools to move faster, and you still verify the output.

  • Proof of depth as an engineer: a degree in computer science or a related field, internships, open-source work, a thesis, or a system you built yourself and kept running.

  • Hands-on experience with a database beyond the basics (PostgreSQL, MongoDB, or similar). You understand schemas, indexes, and what breaks under load.

  • You get going on a vague problem without waiting for a spec, and you take it further than you were asked.

  • You think about reliability. You debug rigorously when things break, and you want to know why before you fix it.

  • Bonus: Kafka or Pub/Sub, dbt, Docker, Terraform, competition results, or a project you built and hardened yourself.

 
Why Almedia
  • Grow at Almedia: profitable from launch, higher revenue per employee than Big Tech.

  • Sharp, small team: we keep it small on purpose, every hire raises the bar.

  • Equity: every Berlin employee gets a stake.

  • Top-of-market baseline. Deliver outlier impact, earn accordingly.

 

Small team, high bar. Growing at scale. If that sounds like home, apply.

We believe in fostering talent, evaluating all skill levels during the hiring process, and providing a clear path for growth. Almedia is an equal opportunity employer. We embrace and celebrate diversity, and encourage individuals from all backgrounds to apply.

Skills Required

  • Strong Python skills
  • Strong SQL skills
  • Degree in computer science or a related field, or equivalent proof of engineering depth through internships, open-source work, a thesis, or a self-built system
  • Hands-on experience with PostgreSQL, MongoDB, or a similar database
  • Understanding of database schemas and indexes, including behavior under load
  • Ability to independently approach vague problems and take ownership through production
  • Strong reliability, debugging, and root-cause analysis mindset
  • Kafka or Pub/Sub experience
  • dbt experience
  • Docker experience
  • Terraform experience
  • Competition results or a project built and hardened independently
Am I A Good Fit?
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The Company
HQ: Berlin
121 Employees
Year Founded: 2020

What We Do

Freecash.com, owned by Almedia, helps you to advertise your app or digital products to a highly engaging target group. Almedia operates platforms that collectively have more than 25,000,000 members as their user base. Our mission is to help leading brands acquire new potential customers and obtain the most accurate insights. Among our main services is paid user acquisition, so we can supply any quantity of new users for any game, app, website, or other product. Our innovative, in-house engine provides marketers and agencies with many advanced features, helping them not only find answers to their business questions but also increase revenue and brand awareness. Our market research services deliver results faster and at a lower cost than traditional market research firms. In terms of key metrics such as engagement and quality of users, we consistently outperform the market. Our biggest platform today is called Freecash. Since its launch in 2020, Freecash has been one of the fastest-growing platforms that allow users to test a wide range of products, apps, websites, games, etc., and get rewarded. Within 4 years our users have already earned over $57.000.000. With more than 15M registered users and 1M active users monthly we're already a leader in the market. Very good 4.6 * TrustPilot rating with over 70.000 reviews, proves that our platform performs very well. Freecash platform is incessantly modernized and developed. To meet the needs of advertisers, we are constantly adding new features and improving our platform. Feel free to contact and join us!

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