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I’m Juliette Hirsch, a growth and experimentation leader who blends product, design, and analytics to move fast without losing sight of the customer. With 6+ years helping SaaS and tech teams unlock growth, I identify what holds businesses back and build practical solutions that deliver measurable impact. I translate data and user insights into prioritised decisions, collaborating across Product, Engineering, Design, and Analytics to ship outcomes. I’m equally comfortable shaping strategy and diving into the details to make things happen.…I’m Juliette Hirsch, a growth and experimentation leader who blends product, design, and analytics to move fast without losing sight of the customer. With 6+ years helping SaaS and tech teams unlock growth, I identify what holds businesses back and build practical solutions that deliver measurable impact. I translate data and user insights into prioritised decisions, collaborating across Product, Engineering, Design, and Analytics to ship outcomes. I’m equally comfortable shaping strategy and diving into the details to make things happen.

Juliette Hirsch

Growth Marketer, Product Designer, UX Designer, +2

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I’m Juliette Hirsch, a growth and experimentation leader who blends product, design, and analytics to move fast without losing sight of the customer. With 6+ years helping SaaS and tech teams unlock growth, I identify what holds businesses back and build practical solutions that deliver measurable impact. I translate data and user insights into prioritised decisions, collaborating across Product, Engineering, Design, and Analytics to ship outcomes. I’m equally comfortable shaping strategy and diving into the details to make things happen.…I’m Juliette Hirsch, a growth and experimentation leader who blends product, design, and analytics to move fast without losing sight of the customer. With 6+ years helping SaaS and tech teams unlock growth, I identify what holds businesses back and build practical solutions that deliver measurable impact. I translate data and user insights into prioritised decisions, collaborating across Product, Engineering, Design, and Analytics to ship outcomes. I’m equally comfortable shaping strategy and diving into the details to make things happen.

Available to hire

I’m Juliette Hirsch, a growth and experimentation leader who blends product, design, and analytics to move fast without losing sight of the customer. With 6+ years helping SaaS and tech teams unlock growth, I identify what holds businesses back and build practical solutions that deliver measurable impact.

I translate data and user insights into prioritised decisions, collaborating across Product, Engineering, Design, and Analytics to ship outcomes. I’m equally comfortable shaping strategy and diving into the details to make things happen.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

French

Advanced

German

Beginner

Work Experience

Senior Web Experience Strategist at Justworks

November 1, 2025 - January 1, 2026

Owned the web roadmap for how potential customers discover and evaluate Justworks—defining what to build, measuring what works, and partnering with Engineering and Design to implement. Led the launch of an AI-powered web assistant, coordinating across Engineering, Legal, and Brand from concept to live to improve user experience and understanding.

Senior Growth & Experimentation Manager at Justworks

March 1, 2024 - November 1, 2025

Built and scaled a structured experimentation program running 100+ tests annually across the full customer journey, from first site visit through sign-up. Delivered +17% qualified leads per month by identifying friction points across the user journey and systematically testing and implementing improvements. Drove +48% conversions on a key pricing page within six months, backed by data-driven decisions.

Growth & Experimentation Manager at ADP

January 1, 2022 - March 1, 2024

Owned ADP.com's experimentation roadmap end-to-end, running 120+ tests annually to improve how visitors engaged with the site and progressed toward becoming customers. Established data quality and measurement standards across the program, ensuring every decision was grounded in reliable, trustworthy results.

Growth Specialist at Merchant Maverick

April 1, 2021 - October 1, 2021

Ran rapid experimentation cycles to diagnose performance gaps, test solutions, and consistently hit monthly business targets.

Marketing Growth Coordinator at IAC Applications

June 1, 2020 - March 1, 2021

Designed and launched experiments across 40+ digital products, driving 10%+ performance improvements on top-performing properties.