Senior Scientist - Assay Development (Scientific Lead)

📍 London, UK (On-site)
💰 Competitive Salary + Equity
🧪 Diagnostics | Biotechnology | Life Sciences | Healthcare Innovation

Are you passionate about developing cutting-edge diagnostic technologies that can transform patient outcomes?

An exciting and well-funded life sciences company is looking for a Senior Scientist, Assay Development to lead the scientific development of next-generation diagnostic assays. This is a rare opportunity to take ownership of assay strategy, development, validation, and scientific leadership within a fast-growing, innovation-driven environment.

The Opportunity

As the scientific lead for assay development, you will drive the development and optimisation of highly sensitive quantitative assays from concept through validation and commercial readiness. Working at the intersection of diagnostics, biotechnology, engineering, and clinical science, you will play a pivotal role in shaping the company's scientific direction and future product portfolio.

Key Responsibilities

✅ Lead development of quantitative immunoassays and biomarker detection technologies
✅ Design and execute assay optimisation and validation studies
✅ Drive improvements in sensitivity, precision, reproducibility, and stability
✅ Collaborate cross-functionally with engineering, clinical, regulatory, and external partners
✅ Ensure scientific rigor, data integrity, and regulatory-compliant documentation
✅ Help build and mentor a high-performing scientific team
✅ Contribute to long-term scientific strategy and innovation initiatives

Ideal Background

🔬 PhD in Biochemistry, Analytical Chemistry, Biomedical Science, Bioengineering, or related field
🔬 Industry experience in assay development, diagnostics, biotechnology, pharmaceutical, or life science sectors
🔬 Strong expertise in immunoassay development (ELISA experience essential)
🔬 Experience translating laboratory assays into commercial or point-of-care diagnostic platforms
🔬 Proven success developing assays through validation and product development milestones
🔬 Experience working with biological samples and highly sensitive analytical methods
🔬 Strong statistical, experimental design, and data analysis capabilities

Particularly Interested In

• Diagnostic assay scientists
• Immunoassay development specialists
• Biomarker scientists
• Translational research scientists
• Senior R&D scientists
• Clinical assay development experts
• Point-of-care diagnostics professionals
• Biotechnology and pharmaceutical assay developers

Why Apply?

🌍 Opportunity to shape the scientific direction of a pioneering healthcare company
🚀 Take assays from early concept through validation and commercial application
🧬 Work on innovative diagnostic technologies with meaningful patient impact
📈 Join a high-growth environment offering significant ownership and influence
💡 Competitive compensation and equity participation

If you're an ambitious scientist looking to combine hands-on assay development with scientific leadership and real-world impact, we'd love to hear from you.

📩 Apply directly or contact me confidentially for more information.

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