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November 3, 2026

Senior Full Stack Engineer

Senior • Remote

Warsaw, Poland

Quick Facts

  • Fully remote

  • B2B contract (EUR)

  • Start: ASAP / within 1 month

  • Contract length: 10–12+ months with extensions

  • Language: English

  • Recruitment process: 2 interviews with the client

Description

You will develop and maintain business-critical full stack applications that support scientists in drug discovery. The role focuses on modernizing legacy systems, migrating solutions to current .NET versions, and building features for registering new research entities. You will also improve Azure infrastructure and set up CI/CD pipelines using GitHub Actions.

Responsibilities

  • Develop, maintain, and improve full stack business-critical applications

  • Modernize legacy applications and migrate solutions to current .NET versions

  • Work across UI, backend services, APIs, and data sources

  • Design and implement new functionality to support registration of new research entities

  • Establish and improve Azure infrastructure for modernized and existing applications

  • Create and maintain CI/CD pipelines using GitHub Actions

  • Enhance engineering quality through automated testing, code reviews, and secure development practices

  • Support applications throughout their lifecycle, balancing maintenance and new development

Requirements

  • Several years of professional full stack software development experience

  • Strong hands-on experience with C# and .NET, including maintaining and upgrading applications

  • Practical experience with Oracle databases, SQL, and data integration

  • Hands-on experience with Azure and CI/CD pipelines, preferably GitHub Actions

  • Broad understanding of software architecture and application security

  • Self-driven work style with strong responsibility for tasks

Benefits

  • Long-term B2B contract (10–12+ months with extensions)

  • Fully remote work

  • English-speaking team focused on supporting researchers

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