Mobile Developer (BLE, Flutter / iOS / Android, freelance)

Stack

Responsibilities

• ▹Own the mobile side of a connected-product project (wearables, smart sensors, health-tech devices)
• ▹Design and implement BLE communication flows that hold up in the real world
• ▹Debug real-world device interactions, including ones that only happen on one phone in one room
• ▹Work side by side with firmware engineers, backend, designers, QA and PMs
• ▹Contribute to architecture and technical decisions
• ▹Communicate directly with the client
• ▹Use AI tools as part of the daily workflow

Requirements

• ▹5+ years as a Mobile Developer
• ▹Strong hands-on BLE experience
• ▹Proficiency in Flutter and at least one native platform (iOS/Swift or Android/Kotlin)
• ▹Experience with connected products: device pairing, real-time data streaming
• ▹Comfort working in short sprints (1-2 weeks) in a fast-moving environment
• ▹Strong communication skills with teammates and clients
• ▹English at B2+, written and spoken
• ▹Focus on product quality and user experience
• ▹Independence and ownership: flags risks early

Nice to have

• ▹Direct experience collaborating with firmware teams
• ▹Medical devices or other regulated environments
• ▹Testing strategies for BLE flows
• ▹OTA updates or provisioning flows
• ▹Genuine curiosity about the devices you build for

Soft skills

What we offer

• ▹90-180 PLN/h net B2B, depending on experience
• ▹Truly flexible hours
• ▹Fully remote, with an optional pet-friendly Warsaw office and Gdansk coworking space
• ▹Internal knowledge-sharing: tech talks, experiments, side projects
• ▹After the first 3 months, a path to a permanent contract with a fixed monthly salary, 26 days paid leave, 10 sick days, Saltus medical care and a training budget
• ▹Technical buddy during onboarding

About the company

Intent has been designing and co-creating connected devices since 2008: wearables, smart audio and health-tech hardware for clients such as Oura and BOSE. A fully remote team of 60+ people, with most projects being long-term partnerships.