Product Manager - Mobile App

About Fourth Frontier

At Fourth Frontier, our mission is to help people live longer, healthier lives. Our lifestyle product, Frontier X2 and FDA-cleared wearable, Frontier X Plus, and the Frontier X App empower users to track, understand, and improve their heart health in real time. With a growing presence in international markets (USA, UK, EU, and beyond), the app is the core of our user experience, enabling deeper engagement, retention, and revenue growth.

Role Overview

We are seeking a dynamic and versatile Product Manager with 5–7 years of proven experience in

Product Strategy, Engineering Collaboration, and Growth/Marketing initiatives. This is a high-ownership, cross-functional role that demands a unique blend of technical fluency, customer obsession, and business acumen.

The ideal candidate is a true D2C all-rounder—someone who can speak the language of engineers,

inspire the marketing team, and champion the voice of the customer—while relentlessly driving execution and innovation.

As Product Manager for the Frontier X App, you will sit at the intersection of UX, growth, and technology. You’ll own the app roadmap, elevate the UI/UX, optimize onboarding and retention, and unlock revenue growth through rapid experimentation, consumer insights, and global best practices.

Key Responsibilities:

Product Strategy & Growth

● Define, prioritize, and own the app product roadmap, ensuring alignment with overall business

and revenue goals.

● Conduct market research, competitor benchmarking, and user feedback sessions to identify

opportunities for growth and differentiation.

● Translate business needs into clear product requirements, user stories, and use cases for

engineering and design teams.

● Analyze and define existing product segments based on evolving market needs and user

behaviors.

● Recommend and establish new product segments in collaboration with management,

engineering, and marketing teams.

● Continuously track customer feedback and market signals to propose new features, enhancements and usability improvements.

● Drive on-time, high-quality releases of new features, ensuring measurable impact on adoption,

retention, and revenue.

UI/UX & Consumer Psychology

● Champion user-first design by deeply understanding user pain points, motivations, and behavior.

● Partner with designers to deliver intuitive, engaging, and habit-building app experiences.

● Run usability testing, customer interviews, and behavioral analysis to validate designs and

features. Execution & Engineering Collaboration.

● Work closely with engineering teams to scope, prioritize, and deliver features at speed.

● Use AI-powered tools (for wireframing, prototyping, testing) to compress build cycles and

accelerate iteration.

● Facilitate agile ceremonies (standups, sprint planning, retros) and remove blockers to execution.

International Market Focus

● Adapt and localize app experiences for the USA, UK, and EU markets, ensuring global scalability.

● Track performance across geographies, identifying unique growth levers per market.

Requirements

● 5–7 years of Product Management experience in mobile apps & D2C businesses.

● Proven track record of building or scaling consumer-facing apps from zero to scale.

● Experience with international markets (USA, UK, EU strongly preferred).

● Experience with medical devices and the global healthcare market is desirable.

● Experience in direct-to-consumer fitness and Health Coaching Service applications is preferable.

● Solid exposure to Marketing, product-led growth, and GTM strategies.

● Proven ability to manage full product lifecycle—from ideation to launch to iteration

● Strong communication, storytelling, and stakeholder management skills.

● Experience with tools like Jira, Figma, Mix panel , Google Analytics, Confluence, etc.

● Excellent verbal and written communication skills, with the ability to present complex data and

insights clearly and concisely.

● High aptitude for networking and relationship building, with experience collaborating with internal and external stakeholders.

● Proficient in data analysis tools and software, such as Excel, SQL, Tableau, and Python.