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Senior .NET Backend Engineer at OPTIVEUM sp. z o.o. | Warsaw, PL (Remote)

Company/Recruiter: OPTIVEUM sp. z o.o.

Published on: 11:06 AM | Sep 22, 2026 · Closes Sep 24, 2026
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AI Summary

is seeking a highly skilled Senior .NET Backend Engineer to join our dynamic team. This is a fully remote position based in Poland, offering an excellent opportunity to contribute to innovative projects within a forward-thinking company.

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This this opportunity Senior .Net Backend Engineer opening is best approached with a focused application that connects your recent experience to the problems OPTIVEUM sp. z o.o. is likely trying to solve in Warsaw, PL (Remote). Before applying, read the full description, confirm the application method, and tailor your CV or portfolio so the first few lines clearly match the responsibilities below.

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OPTIVEUM sp. z o.o. is seeking a highly skilled Senior .NET Backend Engineer to join our dynamic team. This is a fully remote position based in Poland, offering an excellent opportunity to contribute to innovative projects within a forward-thinking company. If you are a seasoned backend developer with a strong command of the .NET ecosystem and a passion for building robust, scalable solutions, we encourage you to apply.Job Overview

As a Senior .NET Backend Engineer, you will play a pivotal role in designing, developing, and maintaining backend services and APIs. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet complex business requirements.

Key Responsibilities

  • Design and implement robust, scalable, and performant backend systems using .NET technologies.
  • Develop and maintain APIs, ensuring seamless integration with other services.
  • Write clean, efficient, and well-documented code.
  • Participate in code reviews and contribute to technical discussions.
  • Troubleshoot and resolve backend issues.
  • Collaborate with frontend developers, product managers, and other stakeholders.

Requirements

  • Proven experience as a Senior .NET Backend Engineer.
  • Strong proficiency in C# and the .NET framework (.NET Core/.NET 5+).
  • Experience with RESTful API design and development.
  • Familiarity with database technologies (e.g., SQL Server, PostgreSQL).
  • Understanding of software design patterns and best practices.
  • Excellent problem-solving and analytical skills.

What We Offer

  • Opportunity to work on challenging and impactful projects.
  • Fully remote work environment within Poland.
  • Competitive remuneration.
  • Professional development and growth opportunities.

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