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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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