Senior .NET Backend Engineer – Industrial Protocols (Remote)

Sii Sp. z o.o.; Wrocław; Remote; PLN 150,000 - 190,000; Full time

Benefits offered by this job

Great Place to Work title

Private healthcare

Benefits cafeteria

Remote work option

Competitive compensation

Professional growth opportunities

Job summary

Sii Sp. z o.o. is seeking a Senior .NET Developer to build long-term C#/.NET backend solutions for industrial systems. You will collaborate in an agile in-house team, focus on integration with industrial protocols, and drive CI/CD practices using Azure DevOps and Git. This is a remote position based in Poland.

Ideal candidates have 5+ years of experience in backend development, strong English, and excellent teamwork to deliver robust applications and scalable system integrations.

Qualifications

• 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.

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.

Skills

C#/.NET

SQL

OPC UA

Modbus

IO-Link

Database administration

Azure DevOps

Git

Agile methodologies

English (advanced)

Tools

Azure DevOps

Git

Job description

Sii Sp. z o.o. is seeking a Senior .NET Developer to build long-term C#/.NET backend solutions for industrial systems. You will collaborate in an agile in-house team, focus on integration with industrial protocols, and drive CI/CD practices using Azure DevOps and Git. This is a remote position based in Poland.

Ideal candidates have 5+ years of experience in backend development, strong English, and excellent teamwork to deliver robust applications and scalable system integrations.