Sukhdeep Singh.
Remote patient monitoring has become one of the fastest moving corners of healthcare technology. A decade ago, recovering from surgery meant waiting weeks for a doctor to check on progress, with clinicians relying mostly on what a patient reported and the occasional in person assessment. Today more of that recovery happens at home, tracked by wearable sensors that feed data straight to a clinician's screen, and scattered pilot programmes are turning into standard post operative care across US hospitals.
Knee rehabilitation shows how that shift works in practice, and why it was needed. After a knee replacement or similar procedure, most of the actual recovery happens away from the clinic, in the weeks a patient spends doing prescribed exercises at home. Clinicians traditionally had little visibility into that stretch beyond what the patient remembered to mention at the next appointment, which made it hard to catch poor adherence or a stalled recovery early. Wearable sensors close that gap. A patient wears two small sensors on her leg, one on the femur and one on the tibia, and as she moves through her exercises, the sensors track the angle between them, turning a bend into a Range of Motion measurement a clinician can check, alongside how consistently the exercises are being done.
Sukhdeep Singh has spent the last five years building exactly that. Working out of Noida as a Senior Consultant at Tenarai, formerly Infogain, he was the lead Android and BLE engineer behind TracPatch, a knee rehabilitation platform now used across the US to track patients recovering from knee replacement and similar surgeries. The system runs on two applications, one for the patient and one for the healthcare provider, connected to wearable sensors, a cloud backend and a clinician dashboard, and it has been deployed to more than a hundred patients and multiple clinicians. Singh built the BLE communication framework that discovers the wearable, holds the connection steady during an exercise session, and recovers automatically if the sensor drops out from a weak signal or the patient shifting position, working through known devices first, then connected devices, then a fresh scan if needed.
He also built the offline handling underneath it. Rehabilitation data cannot simply be lost because a patient's home internet is spotty, so the app saves everything to a local database first and uploads it in batches once a connection is available, deleting only the records that make it through successfully. On the security side, the platform follows HIPAA aligned safeguards for protected health information, with encrypted local storage, authenticated tokens and all server communication carried over HTTPS. The Android application itself is built in Kotlin using an MVVM architecture with coroutines handling the asynchronous BLE and network operations, a structure chosen specifically to keep a system this complex maintainable as it scales.
Singh's range goes beyond healthcare too. He has worked on a large Android platform for Costco, along with a Canada based matrimonial platform, ride hailing apps with live tracking, and mobile tools for business promotion and traffic education, each with its own constraints and none of them forgiving of sloppy engineering.
His path there followed the route many engineers of his generation took. He started out as a developer in Jalandhar and Mohali back in 2009-10, then spent years moving through technical lead roles at companies including Realsoft Technology and ClubJB before leading mobile development at OurDesignz and eventually landing at his current role. Along the way his skill set broadened well beyond mobile UI work into architecture decisions, dependency injection, automated testing with JUnit and Espresso, and CI and CD pipelines built on Bitrise and Jenkins. Seventeen years in, he is still adding to the pile, including AI assisted development certifications completed in 2024 and 2025, and a reusable BLE platform for Android that he maintains publicly on GitHub in his own time.
"No one notices the engineering when a wearable just works," he says. "That's the whole job, really. A clinician should be able to trust the number on the screen without wondering if the device missed something, and a patient should barely notice the sensor is there."
That attitude is common among the engineers now holding up remote healthcare platforms that patients and clinicians use every day without ever thinking about who built them. As remote monitoring keeps expanding beyond pilot programmes into standard post operative care, the demand for engineers who can make that hardware genuinely trustworthy, not just functional, keeps growing with it. Singh's career is one window into where that work actually happens, and into the mobile engineering talent India has been sending into global healthcare systems for years.
