Front-end Software Engineer (Contractor)
Design and build the interface scientists use to get from protein sequencing data to results
About Portal Biotech
Portal Biotech has built the world's only platform capable of sequencing full-length proteins at the single-molecule level. Using our nanopore technology, we read intact proteins of any size, capturing both sequence and post-translational modifications in a way no other system can. This opens up entirely new ways to understand protein biology, with applications across drug discovery, diagnostics, and biosecurity.
Our technology works and customers are engaging with it. We're now focused on scaling, turning breakthrough science into products that deliver real biological insight as we move beyond Series A towards global product launch.
About the Role
We are seeking a Senior Front-end Software Engineer to join our Analysis Platform team. You'll build the UI scientists use to launch analyses, follow runs and interact with reports from our analysis pipeline.
What you'll work on
The launch, run and results interface, serving both internal teams and external users
Report layout and interaction
Reusable React components that compose pipeline launch forms from our API
Integrate with, and help shape, the APIs provided by our backend team
Support deployment by knowledge-sharing with the DevOps team
Full-time, 6-month contract from October 2026.
London preferred, at Scale Space, White City; remote considered with good UK time-zone overlap.
Requirements
6+ years' experience, taking product designs from concept to polished, production frontend
Deep React and TypeScript expertise: significant commercial experience building complex production web applications
Experience with modern testing frameworks, including integration and end-to-end testing (e.g. Vitest, Playwright)
Comfortable owning outcomes, making decisions, and pushing work over the finish line in a fast-moving environment
Ability to collaborate effectively with backend engineers, domain experts, and product leads
Desirable
Experience using AI to augment productivity while producing high-quality outputs as part of an SDLC process
Exposure to the full development lifecycle, supporting systems post-launch
Scientific, bioinformatics or lab-software experience
Portal is an equal opportunities employer. We are enriched by our diversity and are committed to creating and sustaining an inclusive and equitable environment for all. We encourage applications from candidates of all backgrounds and life experiences.
- Team
- Bioinformatics (BiX)
- Role
- Software Engineer
- Location
- London
- Remote status
- Hybrid
Strictly NO agencies!
Any CVs submitted by agencies that we have not instructed will be considered as gifts.
About Portal Biotech
Founded by DNA-sequencing veterans, Portal Biotech is developing the first bench-top single-molecule protein sequencer, leveraging machine-learning algorithms and building on decades of in-house expertise in nanopore technology. By analysing full-length protein molecules at the single-molecule level, our platform delivers rapid, real-time information on protein identity, abundance, and structure. Those insights open frontiers in drug discovery, diagnostics, and fundamental research, helping scientists and clinicians to better understand human health and disease.