iOS + Android Software Developer

• *iOS + Android Software Developer**

Location: Remote (Europe preferred)

Reports to: Engineering Lead

• *Who We Are**

Axo Longevity is building Europe’s first

• *high-performance longevity platform**

.

We combine

• deep biomarker blood testing (100+ biomarkers, twice per year)
• elite athlete benchmarking
• AI-powered health insights
• a beautiful consumer-grade product experience

Our mission is to help people

• *extend their healthspan and unlock human performance**

.

Membership starts at

• *€499/year**

and provides users with deep health insights, biomarker dashboards, and personalized recommendations.

Our clinical advisors include

•

• *Dr. Niko Mihic**

— former Head Doctor of Real Madrid

•

• *Andy Walshe, PhD**

— former Red Bull Director of High Performance

We’re building a platform where

• *science, design, and technology come together to help people live longer, better lives**

.

• *The Role**

We’re looking for a

• *Mobile Software Developer**

to help build and scale the

• *Axo mobile experience for iOS and Android**

.

This role focuses on creating a

• *fast, intuitive, and premium mobile experience**

that allows users to explore their health data, understand their biomarkers, and interact with the Axo platform.

You will work closely with:

• product managers
• product designers
• backend engineers to deliver a
• *world-class mobile experience**

.

This is a hands-on role where you will ship features that directly impact how users understand and improve their health.

• *What You’ll OwnMobile Application Development**

Design, build, and maintain the Axo mobile applications for

• *iOS and Android**

.

Ensure the apps are

• fast
• stable
• intuitive
• visually polished
• *Product Feature Development**

Implement mobile features including

• biomarker dashboards
• health insights and recommendations
• onboarding flows
• notifications and reminders
• integrations with wearable devices and health APIs
• *API & Backend Integration**

Work closely with backend engineers to integrate APIs that power the Axo platform.

Ensure mobile applications efficiently handle:

• health data
• user insights
• AI-driven recommendations
• *Performance & Reliability**

Continuously improve

• app performance
• responsiveness
• crash-free sessions

You’ll help ensure the mobile experience feels

• *smooth and reliable even with complex health data visualizations**

.

• *Collaboration with Product & Design**

Work closely with product designers to implement

• *beautiful and intuitive interfaces**

.

Axo places strong emphasis on

• *premium design and user experience**

, similar to the level of polish seen in leading consumer apps.

• *What You Bring**

4+ years experience building

• *mobile applications for iOS and/or Android**

.

Strong experience with

•

• *Swift (iOS)**

•

• *Kotlin or Java (Android)**

or experience with

• *cross-platform frameworks such as React Native or Flutter**

.

You are comfortable working with:

• REST APIs
• authentication systems
• real-time data updates

Experience with

• *data-heavy applications or dashboards**

is a strong plus.

Experience with

• *health, fitness, or wearable integrations**

(Apple Health, Google Fit, etc.) is a plus but not required.

• *What Makes You a Great Fit**

You care deeply about

• *product quality and user experience**

.

You enjoy building products that combine

• *data, design, and technology**

.

You thrive in

• *fast-moving startup environments**

where ownership is high and teams are small.

You communicate clearly and collaborate well with product, design, and engineering teams.

Fluent English required.

European time zones preferred.

• *How We Work**

We operate like a

• *small, senior strike team**

.

• low bureaucracy
• high autonomy
• strong ownership

We move quickly, but we care deeply about

• *craft, product quality, and long-term impact**

.

You’ll work directly with founders, product, and design — not hidden behind layers of management.