As a Product Engineer at Junction, you will design and ship full-stack features that transform how millions interact with diagnostic data. Working in a tight-knit team of six, you’ll bridge the gap between complex backend infrastructure and intuitive user experiences, directly impacting patient outcomes while scaling a platform that processes millions of data points every second.
Product Engineer at Junction
Junction is building the mission-critical infrastructure layer for diagnostic healthcare, and they're looking for a Product Engineer to help scale their platform from 4 million to 40 million diagnostics. Backed by Creandum, Point Nine, and YC, this team of 35 is already streaming data from 3M+ wearables every second. You’ll work alongside veterans from SpaceX and Monzo to build products that make healthcare personalized and proactive. With revenue quadrupling in a year and a focus on real-world impact, this is a rare chance to ship code that significantly reduces medical bills and redefines patient care globally.
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Location
Remote
Compensation
£90k-£130k + Equity
Company
Junction
Role overview
Health, Wellness & FitnessSan Francisco, United StatesSeed (VC-backed)
Developers at leading digital health companies, from Metabolic clinics to Longevity, use Junction to remotely access granular health data from wearables and lab tests.
Junction’s platform simplifies the integration and management of API connections with wearables, medical devices, and lab services. From test ordering to results retrieval, Vital handles it all—coordinating across 5,000+ walk-in testing centers, shipping lab kits directly to patients, and scheduling mobile phlebotomist visits. This streamlined process reduces operational burdens, allowing you to focus on delivering high-impact solutions.
Junction supports a wide range of healthcare applications, including:
- Correlating key biomarkers like HRV and sleep to track recovery progress
- Managing chronic conditions with integrated support for blood pressure monitors, CGMs, and wearables
- Scaling data collection for clinical trials across a distributed population
- Personalizing treatment plans with wearables data and cost-effective specialty lab testing across 50 states
Junction helps you access key insights, personalize treatment programs, and improve health outcomes across multiple sectors, all through a single universal API.
Backed by Y Combinator, Point Nine Capital, Adventure Fund, Inflect Health, Amino Collective, 20VC, James Beshara, Elliott Rapaport, Jesse Dhillon, Michael Malis, Johannes Schildt, Kristian Ranta.
What you will do
- Build and own end-to-end full-stack features for customer-facing dashboards that allow healthcare providers to self-serve and order lab tests.
- Architect the next version of a diagnostics API designed to scale from 4 million to 40 million tests within the next twelve months.
- Collaborate directly with customers to understand product usage, refining technical challenges into elegant software solutions that significantly reduce patient medical costs.
Who this is a fit for
- Has 3+ years of experience in early-stage startup environments where you actively influenced product direction rather than just executing predefined tickets.
- Possesses strong proficiency in building API products and is comfortable working across the full stack with Python, Go, or TypeScript.
- Demonstrates deep product judgment and a focus on outcomes, with the ability to turn ambiguous healthcare constraints into clear, actionable technical plans.
Why this role is remarkable
- Scale life-changing technology that already streams data from 3M+ wearables every second and facilitates 4M+ lab tests across the United States.
- Join a high-growth environment backed by elite investors like Creandum, 20VC, and YC, with company revenue quadrupling in the last year alone.
- Work with a world-class engineering team from Babylon, SpaceX, and Monzo on the mission-critical challenge of making healthcare proactive and affordable.
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I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
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