Berry Street · 2 days ago
Lead Growth Engineer
New York, NY
Full-time
Hybrid
Senior Level, Lead/Staff
$225K/yr - $275K/yr
6+ years expBerry Street is on a mission to transform how Americans eat through nutrition therapy, connecting individuals with evidence-based nutrition care. The Lead Growth Engineer will own and build the growth experimentation practice, utilizing AI to enhance systems and processes for rapid optimization and growth.
Health CareNutritionWellness
Responsibilities
Own growth experimentation end-to-end: Grow Berry Street's patient base by an order of magnitude through growth technology. Lead conversion funnel experiments as the technical owner of Berry Street's growth experimentation practice
Build self-serve experimentation tools: Create platforms that empower the growth marketing team to launch tests, personalize experiences, and analyze results independently
Build intelligent systems that unlock personalization: Implement pipelines using LLMs for content personalization and embeddings for semantic targeting as we scale our ability to serve the needs of specific patient cohorts with greater precision
Deliver exponential, compounding results: Build systems where AI-driven improvements stack — each experiment teaching the system to run better experiments, creating exponential growth in both learning velocity and business impact. Speed to learn is everything
Qualification
Required
6-8 years of full-stack engineering, with at least 3 years in growth engineering
strong in TypeScript, React, and Node.js - comfortable architecting full growth stacks
deep experience with A/B testing platforms (LaunchDarkly, GrowthBook) and analytics tools (Amplitude, Segment, Mixpanel)
fluent in using LLMs and agentic tools (Cursor, Claude Code, OpenAI, etc.) to supercharge experimentation, personalization, and automation
able to design processes and architecture that make experimentation repeatable, scalable, and safe
proven ability to translate between engineering, marketing, and data teams
pragmatic builder who ships, measures, and iterates rapidly
Preferred
Experience building in healthtech, marketplaces, or other complex regulated ecosystems
Experience leading growth engineering squads or experimentation pods
Curiosity around reinforcement learning or automated experimentation agents
Benefits
Comprehensive health insurance plans, including dental and vision
Generous PTO 🏖️
401k with match 💰
Citibike membership 🚲
Unlimited dietitian care 🍓
Company
Berry Street
Berry Street offers treatment for disordered eating, heart health, PCOD, liver disease, women's health, sports nutrition, and diabetes.
11-50 employees
H1B Sponsorship
Berry Street has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Growth StageTotal Funding
$59.24MKey Investors
Village Global
2025-02-05Series B· $50M
2024-01-11Series Unknown· $9.24M
2023-04-24Pre Seed
Leadership Team
Noah Kotlove
Founder and CEO
Recent News
2025-10-23
MedCity News
2025-09-16
Company data provided by crunchbase