Ruby Labs Ltd. logo

Email Growth Manager

Job Overview

Location

European Union

Job Type

Full-time

Category

Marketing

Date Posted

April 22, 2026

Full Job Description

đź“‹ Description

  • • As an Email Growth Manager at Ruby Labs Ltd., you will drive email marketing as a high-impact conversion channel across all brands, focusing on experimentation and growth rather than campaign execution.
  • • Your day-to-day responsibilities include generating hypotheses, designing and launching A/B and multivariate tests, analysing results with statistical rigour, rolling out winning experiments at scale, monitoring competitors’ email strategies, proposing new email sequences, owning key growth KPIs, and collaborating with Email Lead, Specialists, Marketing Director, and Data teams.
  • • Ruby Labs is a leading tech company creating innovative consumer products in health, education, and entertainment, with a culture of experimentation, ambition, and impact-driven work.
  • • In this role, you will deepen your expertise in growth experimentation, conversion optimisation, A/B testing methodology, data-driven decision-making, AI-powered workflow integration, and cross-functional leadership in a fast-paced, remote-first environment.

Skills & Technologies

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Ruby
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About Ruby Labs Ltd.

Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.

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