Full Stack EngineerONLYQ • Davangere, Republic Of India, IN
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Full Stack Engineer
ONLYQ • Davangere, Republic Of India, IN
1 day ago
Job descriptionBuild native iOS apps using Swift, SwiftUI, Combine Build native Android apps using Kotlin, Jetpack Compose Implement CoreBluetooth & Android BLE stack Optimize MTU, GATT, reconnection logic, and background sync Ensure ultra-reliable sensor data capture (5–50 Hz) Build REST + WebSocket APIs (Node.Js or Python) Implement data storage (PostgreSQL / MongoDB) Setup cloud infrastructure (AWS / GCP) Ensure secure data flow & low-latency analytics Integrate physiological AI models (Python / TensorFlow Lite) Work with our biosensor engineering team Implement signal cleaning, annotation & time-series sync Implement MVVM / clean architecture Automated testing, CI / CD pipelines Optimize for battery life, background execution & stability Deliver smooth, polished UI interactions with animation support Expert in Swift / SwiftUI / Combine Expert in Kotlin / Jetpack Compose Strong experience with BLE GATT communication Experience with real-time sensor data processing Experience with background services & multi-threading Proficient in Node.Js or Python (FastAPI) Database experience : PostgreSQL or MongoDB Experience with AWS / GCP / Firebase Understanding of HR, HRV, ECG, IMU, Temp, or other biosignals Experience working with wellness, fitness, or IoT devices Experience with TensorFlow Lite / CoreML Experience with time-series data & signal processing Experience building subscription-based apps Knowledge of Apple HealthKit / Google Fit You are a top-tier developer with a strong engineering mindset You’ve worked on smartwatch / IoT / fitness apps You want to build a global premium product from Day 1 You enjoy solving deep Bluetooth, data, and architecture problems You want ownership—not just a coding job Work on one of India’s most ambitious consumer health-tech products High autonomy, fast decision cycles, and a world-class vision Competitive compensation + performance-based incentives Opportunity to grow into Engineering Lead / CTO as we scale Direct access to founders and full creative freedom
About ONLYQ
ONLYQ is building the world’s most advanced ultra-slim, clinical-grade health wearable —combining premium materials (ceramic, sapphire, FKM), multi-sensor physiology (PPG, ECG, EDA, Temp, IMU), and real-time AI analytics.
Backed by Cymetree Projects LLP , a high-growth multi-vertical enterprise (USD 340M projected revenue this year), ONLYQ is a self-funded, long-term premium hardware–AI ecosystem with global ambitions.
We’re assembling a world-class team to launch our Gen-1 wristband and mobile app—designed to compete with WHOOP, Oura, Garmin, and Apple.
Role Overview
We are looking for an exceptional Senior Full-Stack Mobile Developer with deep experience in Bluetooth Low Energy (BLE), real-time sensor streaming, and native mobile development (iOS + Android) .
This is a core team, high-ownership role responsible for building the ONLYQ mobile app from scratch—architecture, BLE integration, data pipelines, backend APIs, and production-quality UI.
You will work closely with our firmware, sensor, and AI teams to deliver a world-class health and wellness experience.
What You Will Build
- Native iOS and Android apps for ONLYQ (Swift + Kotlin)
- High-stability BLE pipeline for PPG / ECG / EDA / Temp / IMU streaming
- Real-time data ingestion, processing, caching & cloud sync
- Backend API layer (Node.Js or Python)
- AI / ML model integration (sleep, HRV, stress, readiness)
- Beautiful dashboards and wellness visualizations
- Secure user authentication, subscription, and cloud services
- CI / CD pipelines & scalable architecture for future V2 / V3 hardware
Key Responsibilities
Mobile Development
Backend & API
Data & AI Integration
Architecture & Quality
Required Skills
Mobile (Mandatory)
Backend
Wearable / Health Data
Bonus Skills
Who Should Apply
What We Offer
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Stack Engineer • Davangere, Republic Of India, IN
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