CareerPlan

Senior Software Engineer, Backend

Stockholm, SwedenFull-time2026-08-05 → 2026-11-12
Hybrid

Core

Design and develop high-volume, low-latency backend services and operate mission-critical systems for a global communication platform serving 450M+ users.

Role type

Senior IC backend software engineer

Builds

Scalable, reliable, and high-availability distributed services

Domain

Telecommunications / Real-time distributed systems

Deliverable

production ML models | product features

Required skills

Scala, Java, or Go; distributed systems; non-relational databases; data structures and algorithms; mentoring

Preferred skills

Google Cloud Platform; Docker; Kubernetes; Cassandra; Kafka

Technologies

Scala, Java, Go, Cassandra, Kafka, Docker, Kubernetes, Google Cloud Platform

Responsibilities

Design and develop high-volume, low-latency services; Operate mission-critical services at high availability; Collaborate across business units to drive solutions; Explore new solutions and technologies; Build a scalable and reliable system

Seniority

Senior, hands-on IC