Senior App Developer (iOS + Android + BLE) jobs in United States
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Kalogon · 4 months ago

Senior App Developer (iOS + Android + BLE)

Kalogon is a venture-backed startup based in Melbourne, Florida, focused on innovative seating technology to improve health and comfort. They are seeking a Senior App Developer to contribute to mobile applications for their connected hardware products, ensuring a seamless user experience and maintaining software architecture.

Internet of ThingsManufacturingMedical DeviceProduct Design

Responsibilities

Contribute to the mobile codebase end-to-end for iOS and Android
Maintain and lightly extend our existing React Native (TypeScript)
Create modular, cohesive react components to be used in current and future products
Work with our team to develop new apps to supersede legacy solutions
Define long-term architecture
Make the structural decisions today that keep the app healthy, performant, and extensible for years
Focus on dependency-light, performant, and maintainable designs
Integrate with hardware over BLE
Handle pairing, data transfer, and OTA updates with reliability and clear user feedback
Design and build great experiences
Work closely with Product, Marketing, and Design to ship polished, cohesive UI/UX
Collaborate
Work within a small engineering team, mentor peers, and communicate trade-offs to non-engineers

Qualification

React NativeTypeScriptBluetooth Low EnergyMobile UX/UIProject ArchitectureCC++PythonNative iOS (Swift)Native Android (Kotlin/Java)Embedded firmware exposureHIPAA certificationCross-team collaboration

Required

7+ years professional software development, including multi-year stewardship of at least one shipped product, apps listed on an app store preferred
React Native & TypeScript (enough to debug, patch, and ship updates)
Mobile UX / UI: proven track record of designing and delivering polished interfaces on iOS and/or Android
Project Architecture: demonstrated ability to make foundational technical choices that scale over multiple releases
BLE: practical experience with Bluetooth Low Energy on either platform
Cross-team collaboration: turning feedback from marketing, sales, and design into product improvements

Preferred

C, C++, Python for misc tooling and project context
Native iOS (Swift) or Android (Kotlin/Java) modules and bridging
Embedded / microcontroller firmware exposure (OTA workflows, BLE GATT design)
HIPAA certification or experience with HIPAA compliance

Benefits

Equity
401k with matching
20 days off per year
5 all-team holidays, 3 floating holidays

Company

Kalogon

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Kalogon develops advanced seating solutions that eliminate the stresses of sitting through innovation and technology.

Funding

Current Stage
Early Stage
Total Funding
$4.5M
Key Investors
United States Air ForceSeedFundersOrlando
2024-05-30Seed· $1.2M
2022-09-22Grant
2022-08-23Seed· $3.3M

Leadership Team

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Tim Balz
Founder and CEO
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A
Aaron Jones
Co-founder and Lead Product Developer
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Company data provided by crunchbase