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I’m building a sports-performance mobile app centred on heart-rate data and need a qualified exercise physiologist to fine-tune the science behind it. The core feature is real-time heart-rate monitoring; every decision the app makes must translate that live stream into actionable, athlete-level feedback. You’ll help me define training zones, thresholds and on-the-fly coaching cues, ensuring the algorithms reflect current evidence in endurance, strength and injury-prevention literature. While the first milestone focuses strictly on the live data loop, I’m open to layering in personalised plans and deeper analytics later once the physiological model is locked down. Deliverables • Written protocol for HR collection, artefact filtering and zone calculation • Validation of the model against at least one athlete field test (provide raw and processed data) • Flowchart or API spec showing how the app should surface cues during a session • Brief implementation memo so my developers can integrate your guidance quickly Acceptance criteria: metrics must align within ±5 bpm of gold-standard lab testing and zone recommendations must reference peer-reviewed sources. If you relish translating exercise science into real-world tech, let’s talk and get this app pacing perfectly.
Project ID: 40382141
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8 freelancers are bidding on average ₹1,019 INR/hour for this job

Hi, I’m Karthik with 15+ years of experience building healthcare, fitness, and sports-performance applications with real-time analytics and wearable integrations. Your heart-rate performance app is very interesting, and I can help bridge the gap between exercise physiology and app implementation. I work with physiologists, sports coaches, and developers to turn live biometric data into accurate, actionable athlete feedback. For your first milestone, I can help define: * HR collection and signal filtering protocols * Training zones, thresholds, and recovery metrics * Real-time coaching cues for endurance, strength, and injury prevention * Zone calculations based on HRmax, HRR, lactate threshold, and VO2-related models * API flowcharts and logic for how cues surface during a session * Validation against athlete field-test data with raw and processed outputs * Developer-ready implementation memo with formulas and integration guidance I understand the need for evidence-based recommendations with peer-reviewed references and alignment within ±5 bpm of lab-standard testing. I can also support future phases like personalized training plans, readiness scoring, fatigue detection, and advanced analytics. I provide milestone-based delivery, regular updates, and clear documentation so your development team can implement quickly. Warm Regards, Karthik B Resonite Tech
₹1,300 INR in 40 days
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Subject: Proposal: Real-Time HR Telemetry, Artifact Filtering & API Architecture Hi there, This is a fascinating project. While your brief calls for an exercise physiologist, the core deliverables—real-time artifact filtering, low-latency data loops, and API specifications—are deep data science and systems architecture challenges. As a Lead Systems Architect specializing in real-time data processing and AI algorithms, I bridge the gap between complex mathematical models and deployable code. You need a system that ingests raw telemetry, cleanly filters the noise, and triggers real-time coaching cues without lag. Here is how I can tackle your exact technical deliverables: 1. Artifact Filtering Protocol: I will design the signal processing algorithms to filter out hardware noise and movement artifacts from the live HR stream, ensuring the data feeding your physiological zones is stable and mathematically clean. 2. Data Validation Pipeline: I will build the testing framework to compare the app's processed output against your gold-standard lab data, ensuring the algorithms strictly hit your ±5 bpm accuracy criteria. 3. API Specs & Logic Flow: I will map the exact architecture and API endpoints required to surface your on-the-fly coaching cues seamlessly. 4. Developer Handoff: As a Full-Stack Developer myself, I write implementation memos exactly how your development team needs to read them to start coding immediately.
₹1,000 INR in 40 days
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Hello there, we are a team of developers and we can develop your sport performance scalable application. Please, send me a message to discuss the work and finish in no time. Thanks Ashish Kumar.
₹1,000 INR in 40 days
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Hello, I saw your project about building a heart rate app and tuning its science. This is a very interesting idea to give athletes proper feedback. I understand you need help with defining training zones, thresholds, and coaching cues based on good science for real-time monitoring. My name is Raj Abhisek Panda, and I am a Technical Consultant. I can help you translate all this exercise science into clear steps for your app. We will make sure the heart rate data collection, filtering, and zone calculations are solid, and align with the latest research. I will also provide the necessary protocols, validation methods, and easy-to-understand guidance for your developers to integrate everything smoothly. We'll ensure the app gives accurate feedback, meeting your ±5 bpm criteria. We can definitely help you get your app's pacing perfect. Please ping us on chat when you are free, and we can talk more about how to proceed. Raj Abhisek Panda
₹1,000 INR in 40 days
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As a seasoned professional, I am well-versed in API Development and understand the ever-evolving needs of modern businesses. My attention to detail, exhaustive research skills, and commitment to delivering quality results make me a perfect fit for this project. By leveraging my expertise in Full Stack Development and Mobile App Development using technologies such as React, Flutter, and Android, I can ensure that the heart-rate monitoring feature of your app functions seamlessly, reflecting real-time data accurately. Furthermore, my proficiency in implementing custom software applications and my client-centric approach ensure that I prioritize your unique needs and build a solution from scratch tailored specifically for your project. This is crucial for ensuring that your metric standards are met within ±5 bpm accuracy of gold-standard lab tests. Lastly, my team at RasuTrip Websoft Technologies thrives on innovation and has a successful record of timely deliveries. We remain up-to-date with current exercise science literature that would help us craft your Heart Rate App to the highest industry standards. Let's work together to transform your visionary app into an actionable reality that truly enhances athletes' training journeys.
₹1,000 INR in 40 days
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Hello, With 5+ years of experience working on data-driven health and performance systems, I specialize in translating physiological models into practical, real-time application logic. I have collaborated on fitness and analytics platforms involving heart-rate data processing, adaptive feedback systems, and performance optimization. Approach: Define accurate HR zones, thresholds, and filtering protocols based on research Design real-time data processing flow with artifact handling and smoothing Validate model using field-test data with comparison to benchmark standards Create clear flowcharts/API specs for live coaching cues Provide implementation-ready documentation for seamless developer integration I focus on delivering scientifically grounded, practical systems that perform reliably in real-world conditions. I’d be glad to collaborate and help build a precise, athlete-ready HR system. Let’s connect.
₹750 INR in 40 days
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Karnāl, India
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