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Sii Sp. z o.o.

Senior .NET Developer with Industrial Communication Protocols (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Senior
Wrocław
Łódź
Szczecin
Lublin
+10
Expires Sep 24, 2026
24 days ago

In short

Senior .

NET Developer role focused on backend solutions for industrial systems. Responsibilities include system integration, application maintenance, and CI/CD implementation. Requires 5+ years of C#/.

NET experience, knowledge of industrial protocols (OPC UA, Modbus), Azure DevOps, Git, SQL, and Agile. Hybrid work in Wrocław.

Keywords

.NET C# Azure DevOps Git SQL OPC UA Modbus CI/CD

AI-written summary based on the listing content.

Technologies we use

About the project

Your responsibilities

  • Developing C#/.NET backend solutions for industrial systems
  • Supporting system integration, including industrial protocols
  • Maintaining and enhancing existing applications
  • Collaborating within an agile team using Azure DevOps and Git
  • Implementing CI/CD practices to optimize development workflows
  • Ensuring high code quality and performance standards
  • Participating in code reviews and team meetings to foster knowledge sharing

Our requirements

  • Minimum 5 years of experience in C#/.NET backend development
  • Familiarity with industrial protocols such as OPC UA, Modbus, and IO-Link
  • Strong expertise in Azure DevOps and Git
  • Proficient in relational databases and SQL
  • Experience working in agile methodologies
  • Excellent communication and teamwork skills
  • Advanced level of English

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

This is how we work on a project

Published 2026-08-25
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