Full stack .NET developer (with Blazor)
psicro
Posted: March 5, 2026
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Quick Summary
We are seeking a skilled Full Stack .NET developer with experience in .NET, Blazor, and Agile methodologies to join our team in Tallinn, Estonia.
Required Skills
Job Description
PSI is a leading Contract Research Organization (CRO) with 30 years of experience in the pharmaceutical industry. Originated in Switzerland, PSI is a privately owned, full-service CRO with a global reach, supporting clinical trials across multiple countries and continents. Our reputation for being highly selective about the projects we undertake highlights our commitment to delivering high-quality, timely services across a broad spectrum of therapeutic indications.
At PSI, we foster an environment where a diverse range of colleagues feel welcomed and valued. Our inclusive culture is a cornerstone of our success, enabling us to attract and retain top talent globally.
We are not just about conducting clinical trials; we are about building a community where every team member has the opportunity to thrive and contribute to groundbreaking advancements in the pharmaceutical industry.
As a Full stack Developer you will be involved in development of projects for internal clients and will provide quality coding to support PSI business processes and operations. 
Full-time permanent employment based in Estonia
You will:
• Architect, develop and maintain business applications
• Process user requests for developing of new and support for existing IT systems
• Prepare documentation related to development and maintenance of business applications
• Execute and implement software tests, participate in code reviews
• Follow the development standards applied within the department
• Track the development, maintenance and related tasks in the tracking system used within the team
• Follow the progress of systems development technologies and advance professional skills as necessary
The ideal candidate will have:
• Knowledge of building web-based applications
• Knowledge of web technologies including JS(ES+), Typescript, HTML5, CSS, Webpack
• Knowledge of C# language, Microsoft .NET frameworks, Blazor, technologies and best practices
• Knowledge of unit-testing, knowledge of other testing methods is a plus
• Knowledge of Transact SQL, MS SQL functions, stored procedures and other SQL objects
• Familiarity with software analysis, testing and debugging code
• Ability to write high-quality, efficient and easily testable code
• Team-oriented, deadline-driven, with good communication skills
• BSc/BA in computer science, software engineering or relevant discipline
• Full working proficiency in English
• Stable, privately-owned company, organically growing since 1995
• Opportunity to work onsite/hybrid in Tallinn or remotely anywhere in Estonia
• Intensive induction program, industry-related trainings for an optimal start and continuous development
• Friendly and supportive atmosphere in a committed team
• International environment, with colleagues around the world
• Opportunities to quickly see the results of your work
• Attractive income package; performance-based bonus; corporate benefits