Principal Back-end Engineer (Accessibility Product House)

Sigma Software

Full-time Poland, Poland Computer Occupations

Posted:

February 26, 2026

Location:

Poland, Poland, Poland

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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Job Overview

Job Type: Full-time

Location: Poland, Poland

Posted: February 26, 2026

Deadline: April 07, 2026