Principal Web Developer – Data Visualization & Application Development

About This Role

As a Principal Developer within the Data Visualization and Application Development (DVAD) team, you will design and deliver high‑quality applications and data visualizations that support clinical trial processes. Working in a collaborative and innovative environment, you will create robust, intuitive, and impactful web applications using modern technologies such as React.js and Node.js. You will transform complex clinical and operational data into tools that drive efficiency and enhance drug development outcomes.

The role requires a high degree of independence, technical strategy contribution, architecture evaluation, and problem solving. You will act as a technical expert, guiding others and shaping best practices aligned with the Software Development Life Cycle (SDLC). You will engage with users and stakeholders, understand requirements, communicate complex concepts clearly, and ensure solutions are user‑centered, accessible, and provide meaningful business value.

This is a hybrid role requiring 50% of each week to be spent on site at the offices in Maidenhead.

• Design, develop, and enhance web applications and data visualizations for clinical trial environments
• Evaluate technical architectures and make informed development decisions
• Develop solutions using modern web technologies (React.js, Node.js)
• Build responsive, user‑friendly interfaces using modern UI and CSS principles
• Use Git/Git Hub for version control and collaborative development
• Partner with stakeholders to deliver tools aligned to user needs; conduct requirements gathering, user testing, and ensure user‑centered design and accessibility
• Actively incorporate user feedback to enhance tools and share learnings across the team
• Stay current with emerging technologies and explore responsible use of AI in development

• Innovative and curious developer with a strong passion for building applications and visualizations that translate complex data into meaningful insights
• Thrive in collaborative environments while working independently on complex challenges
• User‑focused with a strong ability to understand business needs and translate them into effective technical solutions
• Communicate clearly with both technical and non‑technical audiences and build trusted relationships with stakeholders
• Possess a continuous learning mindset, staying ahead of industry trends and motivated by making a tangible impact in clinical and data‑driven environments

• University degree in Computer Science or related field, or equivalent experience
• Strong expertise in web development (React.js, Node.js), preferably within the pharmaceutical industry
• State management patterns and performance optimization
• Complex component architecture / modular design
• DRY front‑end architecture
• Responsive UI development
• Utility‑first CSS architecture (a plus)
• Strong knowledge of Git/Git Hub for version control
• Strong problem‑solving skills with the ability to handle complex technical challenges
• Experience in user testing
• Good verbal and written communication skills
• Ability to work independently and collaboratively

• Understanding of clinical trial roles and processes, including knowledge of GxP/GCP
• Familiarity with PHP, relational databases such as MySQL, and general data engineering practices
• Strong R knowledge, including Shiny, Markdown, and package management
• Experience with data platforms such as Snowflake or Databricks
• Code testing (unit tests, load tests, etc.)
• Experience in user‑centered design, requirements gathering, and web accessibility
• Experience working in small, high‑impact product teams
• Interest or experience in AI‑supported development practices

Management

All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, sexual orientation, marital status, race, color, national origin, ancestry, ethnicity, religion, age, veteran status, disability, genetic information or any other basis protected by federal, state or local law.

Biogen is an E‑Verify Employer in the United States.