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Principal Back-end Engineer (Accessibility Product House)

📍 Sigma Software • Poland, Poland, Poland • Posted May 30, 2026

Full-time Posted May 30, 2026
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Job Description

Overview

Required skills

Node.js/Golang / strong AWS/GCP / strong ClickHouse / strong Kafka / strong English / strong

We’re looking for an experienced Back-end Engineer to join our innovative team.


In this role, you’ll be responsible for designing and implementing scalable, distributed Back-end solutions for a SaaS platform.

Customer

Our client is a rapidly growing technology leader in digital accessibility software, helping enterprises make their web and mobile offerings accessible to everyone.

Requirements

Requirements

  • 8+ years of hands-on experience with Golang or Node.js

  • Solid expertise in cloud platforms, preferably GCP or AWS

  • Production-grade experience with ClickHouse

  • Proficiency with at least one messaging and/or streaming system (e.g., Kafka, Flink, Spark, Pub/Sub, or RabbitMQ)

  • Strong background...

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