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Jarred IslesJI

Jarred Isles

Product Leader - App & Web

€521/day
London, GB
8-15 years

Average response time: 1 hour

About Jarred

I am a Fractional Product Lead specialising in high-growth digital ecosystems for global brands like Gymshark, Frasers Group, and Santander. I transform complex technical requirements into commercial results, most notably pioneering Gymshark’s integrated platform. From launching 0-1 regulated fintech apps to embedding Gen-AI models, I leverage a deep technical background in React Native, GraphQL, and SQL to translate C-suite vision into scalable, high-performance digital products
  • English

    Native or bilingual

Can work on-site
London (up to 50km)

Experience

  • Frasers Group
    Product Lead - App (FTC)
    E-COMMERCE
    August 2025 - February 2026 (6 months)
    London, United Kingdom
    • • Responsible for the end-to-end ownership across multiple digital platforms web & app. Lead across two squads launching high impact digital features.
    • • Utilised complex personalisation and newjourney features that resulted in £27.5m+ in yearly revenue across key apps
    • • Managed external new 3rd parties that delivered intuitive Deeplinking across key apps which led to 47% increase in retention
    • • Honing in on the customer shopping experience, leveraging UX principles through testing and iterations leading to revamping the PLP and PDP raising conversion by 15% .
    • • Led cross-functional delivery teams with a focus on API mobile integrations along with CMS tools (Contentful) that drove AOV by 17% month on month.
    • • Own mobile product performance by defining and tracking key metrics such as engagement, conversion, retention, and feature adoption, and use insights to continuously refine the roadmap.
    • • Embed a hypothesis-led, data-driven approach, leveraging tools including Firebase, GA4, A/B testing frameworks, and event-level analytics that focused on user engagement, particularly time spent in apps that led to 2.9 store rating increasing to 3.7.
    • • Generated 500k+ new monthly users by navigating user ambiguity introducing innovative features such as Gen-AI and LLM models to aid in shopping choices.
    API Data analysis Product management GraphQL AI Agent
  • Gymshark
    Digital Product Manager - Fitness & Training App
    E-COMMERCE
    January 2024 - August 2025 (1 year and 7 months)
    Birmingham, United Kingdom
    • • Led the end-to-end product strategy and execution for Gymshark's global mobile Training app. Pioneered a 0-1 mobile ecosystem by linking training and e-commerce apps, introducing monetisation strategies that lifted ATB by 48% and retention by 37%
    • • Transformed the training mobile experience, designing seamless cross-platform journeys through continued data analysis of habit loops, consumer psychology and personalisation triggers to drive core app journeys by 38%.
    • • Defined the MVP and prioritised capabilities, balancing new feature development with operational resilience, scalability, and technical debt management reducing bug fixes by 60%.
    • • Generated 100k+ new app users yearly through API-led mobile integrations such as progress chart tracking, in-app fitness challenges and seamless sharing within the community .
    • • Played a key role in evolving Gymshark's loyalty offering tying this to training habits ensuring a consistent value exchange, rewards, and progression mechanics resulting in over 600k new loyalty users in a month and £11m new yearly revenue stream.
    • • Used data, experimentation, and user insight to guide decisions, applying cohort analysis, funnel performance which resulted in 12% increase in daily active users
    • • Understanding the core user by collaborating with UX, marketing, data, and commercial teams to employ the latest features within health tech that will align with the business strategy and user needs.
    • • Supported release planning, UAT, along with A/B testing feeding learnings back into the roadmap and improving performance, leading to a a crash rate free app at 99.8%.
    • • Communicated product vision, progress, and outcomes clearly to senior stakeholders, translating insight into actionable recommendations.
    API Product management User Research User Experience Design
  • BT/EE
    Digital Product Manager Lead - Checkout/Payments & Open Banking
    TELECOMMUNICATIONS
    March 2023 - December 2023 (9 months)
    London, United Kingdom
    Owned the end-to-end product lifecycle for the payments journey on the BT/EE website with a focus on creating a better seamless payment journey for users.
    • Reduced operational costs by £120k monthly by fostering a culture of experimentation using specific user research and A/B testing to reduce payment steps.
    • Led the 0-1 launch of Open Banking as a new payment method, reducing operational costs by 42% and increased £220k in monthly revenue .
    • Delivered a fully redesigned checkout/payment process, reducing cart abandonment by 19% and increased conversion by 8% month on month.
    • Championed a UX/UI-first approach across payment and checkout journeys—partnering with design and research teams which increased LTV by 20%.
    • Led cross-functional squads using Agile tools such as Jira and Confluence, prioritising backlogs and ensuring delivery aligned with broader business goals.
    • Ensured regulatory integrity by working with compliance teams on KYC and AML features, placing payment security at the forefront of the mobile delivery
    • Facilitated collaboration between engineering, finance, operations, and third-party providers, ensuring smooth integration, compliance, and user trust in payment flows.
    Scrum Product management User Research Data analysis Business analysis

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Education

  • Undergraduate Degree
    University of Birmingham
    2016
    Undergraduate Degree
  • Level 6 Financial professional services course
    Level 6 Financial professional services course

Certifications

  • Chartered Manager
    CMI
    2025
    Team management Communication
  • Chartered Banker
    BPP
    2023
    Finance sector

Skill set

Categories