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# Senior Go Backend Developer (Supply Integrations Team)

- **Company:** adjoe GmbH
- **Location:** Hamburg, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Code Review, Encodings, Databases, Distributed Systems, Amazon DynamoDB, Hypertext Transfer Protocols (HTTP), Machine Learning, MySQL, Regular Expressions, Software Systems, Data Streaming, Systems Integration, TypeScript, Web Standards, ReactJS, Backend, Data Lakes, Druid, Apache Kafka, Front End Software Development, Amazon Simple Queue Service (SQS), Golang, Microservices
- **Published:** July 25, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=339a22e691945b35

## About the Role

* Collaborative Technical Communication: You communicate fluently and precisely in spoken and written English. You will actively participate in peer code reviews and technical knowledge sharing across an international backend engineering team.

## Description

* Production Golang Systems Expertise: You bring 5+ years of backend development experience, including at least 3 years writing Go in production distributed environments. You will build and maintain our +99% Go microservice architecture-interfacing with our TypeScript/React frontend-to reliably handle 2+ million daily publisher interactions and scale beyond hundreds of millions of monthly active users.
 * High-Throughput Event Streaming: You have hands-on experience designing asynchronous microservice communication using event buses like Kafka, SQS/SNS, and Kinesis. You will build pipelines to collect billions of daily API events and aggregate them into our data lake for sub-second querying.
 * High-Scale Data & API Optimization: You understand database internals and low-level web standards (HTTP protocol, Encoding, Regular Expressions). You will optimize queries across hundreds of terabytes of data across DynamoDB, MySQL, Druid, and Athena to reduce API response times and expose transparent, well-documented open APIs to enterprise partners.
 * Data Science & Algorithmic Integration: You quickly grasp complex technical topics and applied mathematics. You will partner directly with our Data Science team to translate and integrate machine learning algorithms into adjoe's core application, optimizing real-time ad targeting.


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