# Bioconjugate & Surface-Chemistry Consultant

**Company:** [Astera](https://hotfix.jobs/companies/astera)
**Location:** Emeryville, CA
**Role:** Other
**Salary:** $312k – $416k/yr
**Skills:** bioconjugation, surface chemistry, dna origami, photochemistry, click chemistry, biomolecule surface tethering
**Posted:** 2026-07-23

> Advise on and develop site-specific bioconjugate chemistry to anchor DNA-origami structures to device surfaces with precise placement, orientation, and yield. Requires PhD expertise in surface chemistry, DNA tethering, and click/photochemistry for a fractional contract role.

## Job Description

## Responsibilities
- Design site-specific attachment chemistry (e.g., photochemical or click approaches) to anchor the DNA-origami structure to the device surface with controlled coverage and orientation.
- Advise on functionalization of the dielectric and polymer surfaces in the device stack.
- Develop these approaches into a laboratory standardized protocol for implementation by others.
- Troubleshoot attachment yield and orientation with the wet-lab team, and recommend methods to characterize anchor quality.

## Qualifications and Experience
- PhD-level expertise in bioconjugation and surface chemistry.
- A track record with DNA or biomolecule surface tethering and photochemistry / click chemistry.
- Availability for a fractional, advisory engagement, with periodic on-site lab work in Emeryville, reducing proposed protocols into viable, technician-executable tasks.

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