Data Scientist

The role

You will own research and modeling work across diagnostics, clinical workflows, and AI-enabled product features. You will define frameworks for measurement, experimentation, and causal evaluation to drive product and business decisions.

What you will do

• Own research and modeling work for diagnostics, clinical workflows, and AI-enabled product features
• Define frameworks for measurement, experimentation, and causal evaluation
• Lead development of predictive models, segmentation approaches, and risk or routing logic
• Build the analytical foundation for customer-facing features
• Partner with engineering to ensure models are reliable and useful in real workflows
• Establish how Junction evaluates data-driven and AI-enabled features
• Communicate technical findings and tradeoffs to technical and non-technical stakeholders

Required qualifications

• Strong track record of leading high-stakes analytical work that influenced product, operational, or business decisions
• Deep foundation in statistical inference, experimental design, observational analysis, and model evaluation
• Strong Python and/or R skills
• Experience working on large, messy real-world datasets
• Experience building predictive or decision-support models in production or near-production environments
• Experience partnering closely with engineering to move work from analysis or prototype into deployed systems
• Ability to operate at both strategic and hands-on levels
• Strong communication and stakeholder management skills
• Comfort operating in a startup environment with ambiguity, limited structure, and high ownership

Nice to have

• Experience designing, executing, and publishing research studies
• Experience with HIPAA, PHI, or other regulatory clinical frameworks
• Deep familiarity with modern data tooling and production workflows across warehouses, orchestration, and transformation layers
• Experience developing, deploying, and designing evaluation frameworks for LLM or AI-powered features in customer-facing products
• Expertise directly working with healthcare, diagnostics, lab data, wearable data, and other clinical data
• Experience applying causal inference methods, such as diff-in-diff, propensity scoring, or instrumental variables in practice

Benefits

• Equity (extended exercise post 2 years of employment)
• Company and team offsites
• Monthly learning budget of $150 for personal development and productivity
• $100 monthly wellness budget
• Flexible, remote-first working
• $1K for home office equipment
• Coworking budget
• 36 days paid time off (including bank holidays)
• Premium healthcare coverage
• 4% monthly contribution to pension/401k
• Yearly blood test on us
• Enhanced parental, foster, and adoption leave

Before you apply

• We only hire folks physically based in GMT and EST timezones
• We do not sponsor visas right now

About the company

Junction is building the infrastructure layer for diagnostic healthcare, making patient data accessible, actionable, and automated across labs and devices.