Biosensor Research Scientist (Nanotechnology) Biosensor Research Scientist (Nanotechnology) About Level Zero
Level Zero is pioneering next-generation biosensor technology for precise, real-time monitoring of critical endocrine biomarkers. Recognised as one of the top 20 startups across all categories worldwide at TechCrunch Disrupt 2024—and backed by top-tier organisations like SOSV and Entrepreneur First—we’re pushing the boundaries of biochemistry and nanotechnology to revolutionize personalised health.
Founded by two seasoned engineers, we bring extensive experience in R&D, technical innovation, and commercial strategy to transform the way people monitor their health. Our mission is bold: to revolutionise health management by delivering clinical-grade data directly to individuals, wherever they are.
We’re seeking driven innovators to join us in pushing the boundaries of biosensing and health tech, making personalised health monitoring a reality for everyone. To achieve this ambitious vision, we’re assembling the best team in the world—dedicated to turning cutting-edge science into life-changing, real-world solutions.
About The Role
We are excited to welcome a biosensor scientist with a strong background in lateral flow assay R&D and experience in working with aptamers to join our rapidly growing start-up. The ideal candidate is expected to be proficient in bench and wet chemistry techniques. Moreover, they should have sound knowledge and experience in assay development and nanoparticle surface modifications (biomolecules, small molecules). It is essential for the candidate to have extensive experience in aptamer-based nanogold colorimetric biosensor R&D, including the designs, operation principles, troubleshooting, and analysis.
This is a full-time, in-person role primarily based in London.
Some examples of what you might do:
Perform conjugation procedures between nanoparticles, aptamers, proteins, and small molecules, as well as the optimisation of such procedures for meeting performance parameters in assays
Validate aptamer biorecognition and the performance of functional gold nanostructures in different biological medium using colorimetric assays
Fabricate biosensor devices: working on prototype iteration all the way to mass manufacture
Develop and execute protocols for different morphologies of gold nanostructures
Analyse and organise raw experimental data as technical reports.
Work closely with the nanobiosensor team leader for work progress towards R&D milestones
Attend R&D-related trainings and seminars for continuous updates on the latest trend in hormone sensing technologies
What You Bring
A Ph. D. degree in material science, biomedical engineering, bionanotechnology or related discipline, with a focus in aptamer nanobiosensors. Post doctoral experience will be a plus for this role
The ideal candidate will possess expertise in the following areas:
Knowledge and experience in lateral flow assay development
Proficiency in wet chemistry laboratory techniques, including nanomaterial characterisations and liquid-handling techniques
Experience and a deep understanding in gold nanostructures: their use in biosensors, synthesis, and the opportunities for surface modifications
Strong experience in assay development, particularly in unlocking key hurdles (non-specific binding, signal-to-noise enhancement, optimising assay binding conditions)
Expertise in the R&D of colorimetric nanobiosensors and aptamer biorecognitions
Understandings of aptamers and small molecules handling skills
Nice to have:
Experience in gel electrophoresis and blotting methods
Experience in metallic nanostructure analytical skill: ICP-MS or ICP-OES
Who You Are
We value culture as much as we value technical expertise, creating an environment that’s equal parts collaboration, curiosity, and fun
We’re a fast-paced, mission-driven young team on a quest to make a lasting impact, fueled by uncompromising integrity, unwavering support for one another, and the thrill of exploring uncharted territories. Our passion for excellence drives everything we do, and we welcome individuals who share our commitment to shaping the future.
If our vision excites you, here are the qualities we look for:
You live and breathe integrity, tackling challenges with honesty and transparency
You’re a self-starter who loves diving into the unknown, collaborating on complex problems, and taking full ownership of results
You excel at open, clear communication and see every piece of feedback as a springboard for growth—especially in a science and data-focused environment
You’re motivated by creating real impact, particularly when it comes to advancing human health
You strike a balance between independence and collaboration, knowing when to seek support or invite others to join in
You’re confident in defending your ideas, while also valuing respectful, constructive debate as a path to better solutions
You thrive in the dynamic atmosphere of a startup, constantly evolving your skill set and fearlessly applying what you learn
What We Offer
A full-time role with a competitive salary and equity options, reflecting our value in your expertise and potential
An environment where you’ll collaborate directly with the founding team at a leading biosensor startup, gaining access to industry experts and thought leaders
The chance to grow with us, including ample opportunities for leadership, career advancement, and exploration
Travel to New York and other potential sites for R&D purposes
The excitement of working on cutting-edge technology, shaping strategic decisions, and driving innovation at an early-stage venture alongside a superstar team
Be Part of Our Journey
If you're ready to be at the forefront of biosensing innovation and thrive in fast-paced, learning-rich environments, we'd love to hear from you.
If your skills and experience do not align perfectly with this role, yet you believe you have something unique to offer, we're keen to listen. Reach out to us with a short statement on how you can contribute and let's discuss where you might fit into our team.
Seniority level Seniority level Not Applicable
Employment type Employment type Full-time
Job function Job function Research
Industries Software Development
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