Senior Go Backend Developer (Adtech)

TL;DR

Senior Go Backend Developer (Adtech): Developing and maintaining a high-performance Golang backend for a mobile ad platform with an accent on microservice architecture, event-driven communication, and data processing at scale. Focus on optimizing API response times, integrating ML algorithms, and handling large-scale event streams.

Location: Hybrid in Hamburg, Germany with relocation support and visa assistance

Company

hirify.global is a leading mobile ad platform backed by Bertelsmann, delivering innovative rewarded engagement products to over 57 million daily users.

What you will do

• Develop and maintain backend services written primarily in Go within a microservice architecture communicating asynchronously via Kafka, SQS/SNS, and Kinesis.
• Collaborate with developers through knowledge sharing and peer code reviews.
• Optimize API response times for complex queries involving hundreds of terabytes of data.
• Provide partners with raw and aggregated data through well-documented open APIs.
• Work with the Data Science team to integrate ML algorithm solutions into the platform.
• Manage large-scale event collection and aggregation pipelines using Kafka and Kinesis streams.

Requirements

• Must have 2+ years of production experience with Golang, preferably in distributed systems
• Strong interest in technology and ability to quickly learn complex topics
• Knowledge of databases, Regular Expressions, HTTP protocol, and Encoding
• Experience with Terraform, Docker, and serverless infrastructure is a plus
• English language proficiency at least B2
• Location: Hybrid setup in Hamburg, Germany with visa and relocation support

Culture & Benefits

• Regular feedback and development programs to support career growth
• Relocation bonus and visa assistance to help settle in Hamburg
• Hybrid work with 3 core office days and flexible hours
• 30 vacation days and 3 weeks remote work per year
• Access to in-house gym, fitness classes, and mental health support
• Central office with lake view, top equipment, and social events including hackathons