Senior Backend Engineer - Data Core

Xapply; Schweiz; Remote; CHF 140,000 - 190,000; Full time

Job summary

Xapply Switzerland is seeking a Senior Backend Engineer – Data Core to join our partner's team and help build the infrastructure behind a large-scale creator data platform. You will design and operate systems responsible for collecting and maintaining data on hundreds of millions of creator profiles across major social platforms, with a remote-first, async environment and substantial autonomy.

The role emphasizes solving distributed systems challenges around reliability, freshness, scalability,

Responsibilities

• Design and operate systems for a large-scale creator data platform.
• Handle data on 400M creator profiles across major social platforms.
• Own end-to-end production lifecycle from design to monitoring and improvements.
• Address reliability, freshness, scalability, external dependencies and cost.

Job description

Description:

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer – Data Core based in Switzerland.

This is a senior backend engineering role focused on building the infrastructure that powers a large-scale creator data platform. You’ll design and operate systems responsible for collecting and maintaining data on more than 400 million creator profiles across major social platforms. The role involves solving complex distributed-systems challenges around reliability, freshness, scalability, external dependencies, and cost efficiency. You’ll have end-to-end ownership, from shaping ambiguous problems and designing architectures to deploying, monitoring, and continuously improving production systems. You’ll work with high-volume data, third-party APIs, proxy networks, and cloud infrastructure where small technical improvements can have a significant business impact. The environment is remote-first, async-oriented, collaborative, and designed to give senior engineers substantial autonomy.