Senior Go Backend Developer (Supply Integrations Team) (f/m/d)

adjoe

Contract type

Ongoing

Work mode

On-site · On-site (see listing for address)

Experience

Senior · 5+ years

Job description

Build and maintain a +99% Go microservice architecture interfacing with a TypeScript/React frontend, handling 2+ million daily publisher interactions and scaling beyond hundreds of millions of monthly active users
Design asynchronous microservice communication using event buses like Kafka, SQS/SNS, and Kinesis, building pipelines to collect billions of daily API events and aggregate them into a data lake for sub-second querying
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
Partner directly with the Data Science team to translate and integrate machine learning algorithms into the core application, optimizing real-time ad targeting
Actively participate in peer code reviews and technical knowledge sharing across an international backend engineering team
Company mission
Build the infrastructure behind one of the most impactful platforms in adtech, reaching hundreds of millions of users and powering billions of decisions every day

Core technologies

GoTypeScriptReactTerraformDocker

Relocation support to Hamburg, Germany
Work with a diverse, global team of people from over 40 different countries
Opportunities to own projects with impact on 770M users and push adtech boundaries
Fast-paced environment where solutions ship multiple times a day

5+ years of backend development experience, including at least 3 years writing Go in production distributed environments
Hands-on experience designing asynchronous microservice communication using event buses like Kafka, SQS/SNS, and Kinesis
Understanding of database internals and low-level web standards (HTTP protocol, Encoding, Regular Expressions)
Ability to quickly grasp complex technical topics and applied mathematics
Fluent and precise spoken and written English communication
Plus: hands-on experience with Terraform (Infrastructure as Code), Docker containerization, or serverless infrastructure
Open to talent worldwide with relocation support to Hamburg, Germany
Go, TypeScript, React, Kafka, SQS, SNS, Kinesis, DynamoDB, MySQL, Druid, Athena, Terraform, Docker
Go
TypeScript
React
Terraform
Docker