CareerPlan

Junior Software Engineer - DR Delivery Team

LjubljanaFull-time2026-11-03 → 2026-11-10
Hybrid

Core

Build and maintain high-scale backend systems for ad delivery, spend management, and real-time auction resolution algorithms serving billions of users.

Role type

Junior Backend Engineer (Ad Delivery)

Builds

Ad serving backend systems, data pipelines, and ML model management platforms

Domain

Digital Advertising, High-Scale Distributed Systems

Deliverable

production ML models

Required skills

Backend programming (Go, Java, or Scala), SQL, Relational databases, Distributed systems fundamentals, Data structures and algorithms

Preferred skills

Kafka, Big Data tooling (HDFS, Spark, BigQuery), Docker, Kubernetes, Cloud platforms (AWS, GCP)

Technologies

Go, Java, Scala, MySQL, Kafka, HDFS, BigQuery, Docker, Kubernetes, AWS, GCP

Responsibilities

Develop and maintain backend services for ad delivery and spend; Work with data systems to build and debug delivery flows; Contribute to the backend platform running ML models; Take ownership of small-to-medium features end-to-end; Investigate and resolve production issues; Write clean, tested code and participate in code reviews; Collaborate with Product and cross-team colleagues.

Seniority

Junior, early career with mentorship