Remote Senior .NET Backend Engineer - Industrial Protocols

Sii Sp. z o.o.; Toruń; Remote; PLN 180,000 - 240,000; Full time

Job summary

Sii Sp. z o.o. is seeking a Senior .NET Developer with experience in industrial communication protocols to join our in-house agile team. You will deliver robust C#/.NET backend solutions for complex industrial systems, focusing on CI/CD, and protocol integration.

The role is remote with Poland as the base, requiring strong collaboration in a distributed team, and excellent communication in English. Ideal for professionals passionate about scalable, high-performance software.

Qualifications

• Minimum 5 years of experience in C#/.NET backend development.
• Experience with industrial protocols: OPC UA, Modbus, IO-Link.
• Strong Azure DevOps and Git expertise; relational databases and SQL.
• Proficient in English; able to work in Agile teams.

Responsibilities

• Develop C#/.NET backend solutions for industrial systems.
• Support system integration via industrial protocols.
• Maintain and enhance existing applications.
• Collaborate in an Agile team using Azure DevOps and Git.
• Implement CI/CD practices to optimize development workflows.
• Ensure high code quality and performance.
• Participate in code reviews and team meetings.

Skills

C#/.NET

OPC UA

Modbus

IO-Link

Azure DevOps

Git

SQL

Relational DB

Agile

English (Advanced)

Job description

Sii Sp. z o.o. is seeking a Senior .NET Developer with experience in industrial communication protocols to join our in-house agile team. You will deliver robust C#/.NET backend solutions for complex industrial systems, focusing on CI/CD, and protocol integration.

The role is remote with Poland as the base, requiring strong collaboration in a distributed team, and excellent communication in English. Ideal for professionals passionate about scalable, high-performance software.