Aptamer & Biosensing Research Associate — London

Stealth Startup - Deep Tech; Greater London; On-site; GBP 32,000 - 52,000; Full time

Benefits offered by this job

Equity options

Relocation assistance

Visa sponsorship

Job summary

Stealth Startup - Deep Tech in London, United Kingdom, seeks a hands-on Research Associate to develop aptamers and molecular recognition workflows for a next-generation sensing platform.

You will plan and run experiments spanning SELEX, PCR/qPCR, oligonucleotide handling and aptamer characterisation, collaborating with chemistry and biosensing teams to generate reproducible data and improve candidate performance.

Qualifications

• Independent wet-lab experience in biochemistry or molecular biology.
• Practical PCR/qPCR experience, including optimisation and troubleshooting.
• Hands-on aptamer preparation, folding or use, plus experience with at least one SELEX workflow.
• Confident DNA and oligonucleotide handling, concentration measurement, small-volume preparation and serial dilutions.
• Experience running and interpreting agarose and/or PAGE gels.
• Strong experimental design, data interpretation and documentation skills, with a methodical approach to troubleshooting.

Responsibilities

• Run and optimise SELEX workflows, including selection, amplification and enrichment.
• Perform PCR/qPCR, oligonucleotide preparation, gel electrophoresis and aptamer characterisation.
• Design experiments with appropriate controls and replicates, analyse results and troubleshoot inconsistent outcomes.
• Maintain clear experimental records and protocols to support reproducible work.
• Coordinate multi-step experiments and collaborate across chemistry and biosensing.

Skills

Wet-lab experience

PCR/qPCR

Aptamer handling

SELEX workflows

DNA/oligonucleotide handling

Aptamer characterisation

Experimental design

Data interpretation

Tools

Gel electrophoresis

PAGE gels

Job description

Stealth Startup - Deep Tech in London, United Kingdom, seeks a hands-on Research Associate to develop aptamers and molecular recognition workflows for a next-generation sensing platform.

You will plan and run experiments spanning SELEX, PCR/qPCR, oligonucleotide handling and aptamer characterisation, collaborating with chemistry and biosensing teams to generate reproducible data and improve candidate performance.