Lead and mentor mobile dev teams (iOS, Android) to build innovative apps integrated with smart helmets. Drive architecture, strategy, cross-functional collaboration, and delivery of secure, scalable, high-performance mobile solutions
Lead multi-disciplinary teams to develop smart devices integrating sensors, ML, mechatronics, and embedded systems. Drive innovation, strategy, product development, and ensure quality, compliance, and business alignment.
https://quintessential.keka.com/careers/
https://quintessential.keka.com/careers/
https://quintessential.keka.com/careers/
https://quintessential.keka.com/careers/
https://drive.google.com/file/d/17hF_hahI3sz8cqMDH_lwc_rrU-mijhGg/view?usp=drive_link https://quintessential.keka.com/careers/jobdetails/60108
UI/UX Designer Job Description We are seeking a talented and motivated UI/UX Designer (Mid-level) to join our growing product team. The ideal candidate will have hands-on experience in crafting intuitive, user-friendly digital experiences across mobile and web platforms. You will collaborate closely with designers, product managers, and developers to deliver designs that not only look great but also solve real user problems. This role is perfect for someone who enjoys ownership of design projects, thrives in a collaborative environment, and is eager to continue learning and growing in the field of UI/UX. Key Responsibilities Collaborate with product managers and senior designers to understand business goals and user needs. Create personas, user flows, and journey maps to guide product design. Design wireframes, interactive prototypes, and high-fidelity visuals for mobile (iOS/Android) and web. Ensure responsive, accessible, and device-optimized designs. Follow and contribute to the existing design system; identify areas for enhancement. Present design solutions and articulate design rationale to stakeholders. Partner with developers for smooth hand-off and implementation. Participate in iterative testing and incorporate feedback to refine designs. Demonstrate capability to prototype interactions and user flows at varying fidelity (low to high), suitable for usability testing and developer handoff. Good to have : Create small animations and interaction design animations to enhance micro-interactions and user delight. Join us if you have Experience with agile processes Grit and optimism to tackle challenges when things don't go according to plan Real attention to detail and passion for excellence that makes them obsess over every pixel in every design, no matter how small. Common sense and critical thinking that makes sure little things don't get missed, that details are thought through, that designs speak for themselves because they are thought through Desire to be a part of something bigger. This isn't a normal day job. You'll succeed if you're ambitious, and excited to build something that matters. Qualifications Education Bachelor’s degree in Design, Human-Computer Interaction, or related field (or equivalent practical experience). Experience 2–4 years of professional experience as a UI/UX Designer. Portfolio demonstrating strong UI/UX design skills for mobile and web platforms. Skills Proficiency in modern design and prototyping tools (Figma preferred, Sketch, Adobe XD, or similar, Adobe Essentials). Solid understanding of responsive design and mobile-first principles. Awareness of accessibility best practices and user-centered design. Strong visual design sense, with an eye for typography, layout, and color. Basic knowledge of HTML/CSS is a plus. Excellent communication, collaboration, and problem-solving skills. What We Offer Opportunity to work on cutting-edge technology that directly impacts rider safety and lives. A collaborative and innovative environment where your ideas are valued. Growth opportunities with mentorship from senior designers and cross-functional exposure. Competitive compensation and benefits.
About Quin Quin is redefining smart safety with real-time event detection and data-driven response systems that save lives. We embed our proprietary technology into helmets and wearables through B2B partnerships with global brands. With a strong foothold in motorcycling and a strategic focus on Cycling and Industrial Safety, our technology is already trusted by top names across the U.S. and Europe. We’re a fast-moving, purpose-driven team building industry-leading technology that brings intelligence into safety gear. If you’re ready to take ownership end-to-end design and development of complex PCB —this is your opportunity. About The Role We are seeking a driven and detail-oriented Hardware Engineer with 3 to 5 years of industry experience to play a key role in the design, development, and validation of our next-generation electronic systems. This role requires a deep understanding of board-level design and a solid grasp of system architecture. You’ll work closely with cross-functional teams to lead technical efforts from concept through production. Key Responsibilities Own the end-to-end design and development of complex multi-layer PCBs for embedded systems, including schematic capture, layout review, and component selection. Analog and digital circuit design expertise, including interfaces (SPI, I2C, UART, USB, etc.). Drive hardware bring-up, debugging, and validation using lab equipment (oscilloscopes, logic analyzers, etc.). Collaborate closely with firmware, mechanical, and manufacturing teams to ensure robust system integration. Optimize system performance for power and signal integrity across multiple form factors. Support design reviews and help define hardware architecture for new product lines. Interact with vendors and CM partners to manage BOMs, prototypes, and pre-production builds. Contribute to documentation, test plans, and design validation processes to ensure long-term reliability and scalability. Experience with BLE, BLE Mesh and Wi-Fi hardware design. Solid understanding of power electronics (DC-DC converters, battery management). Strong debugging skills using lab instruments. Required Qualifications B.Tech. or M.S. in Electronics Engineering or related field. 3–5 years of experience in hardware development, with proven exposure to full product development cycles. Strong experience with board-level design (schematics, layout, and BOM ownership). Hands-on experience with common lab/debug tools (oscilloscope, DMM, logic analyzer, etc.). Solid understanding of signal integrity, power delivery, EMI/EMC considerations, and DFM. Familiarity with high-speed digital design, power supply design, or RF fundamentals is a strong plus. Comfortable working independently and influencing design decisions across teams. Preferred Qualifications Experience designing for production-scale hardware at consumer or industrial grade. Exposure to compliance testing (FCC, CE, etc.). Knowledge of hardware/firmware interface debugging. Proficiency in design tools such as Altium or Cadence Allegro Exposure to wireless SoCs and embedded system design.
About Quin Quin is redefining smart safety with real-time event detection and data-driven response systems that save lives. We embed our proprietary technology into helmets and wearables through B2B partnerships with global brands. With a strong foothold in motorcycling and a strategic focus on Cycling and Industrial Safety, our technology is already trusted by top names across the U.S. and Europe. We’re a fast-moving, purpose-driven team building industry-leading technology that brings intelligence into safety gear. About The Role We’re looking for a hands-on Machine Learning Engineer with 3–5 years of experience to join our growing R&D team. You’ll play a critical role in developing and optimizing models that analyze real-time sensor data to extract meaningful patterns, trends, and insights. Your work will directly impact core product features used in real-world applications. This role requires strong data intuition, experience with time-series or sensor-based data, and a desire to build robust and scalable ML systems. You’ll collaborate with hardware, software, and domain experts to bring end-to-end solutions to life. Key Responsibilities Analyze and model real-time sensor data to detect events, classify patterns, and predict behaviors. Develop and fine-tune ML models for time-series data using supervised and unsupervised techniques. Work on feature engineering pipelines that include signal processing, data normalization, and transformation. Collaborate with cross-functional teams (e.g., hardware, firmware, mechanical) to understand data sources and context. Contribute to the deployment of ML models in real-time systems, ensuring performance and reliability. Design experiments, perform exploratory data analysis, and evaluate model accuracy and robustness. Communicate insights and findings to both technical and non-technical stakeholders. Basic Qualifications B.Tech. or M.S. in Computer Science, Data Science, or a related field. 3–5 years of experience working on machine learning, data science, or applied AI projects. Proficiency in Python and common ML/data libraries (e.g., scikit-learn, Pandas, NumPy, TensorFlow/PyTorch). Solid experience working with real-time or time-series data from sensors (IMUs, force sensors, accelerometers, etc.). Strong understanding of pattern recognition and statistical modeling techniques. Familiarity with digital signal processing techniques such as filtering, FFTs, and feature extraction. Preferred Qualifications Understanding of kinematics and biomechanical data analysis. Prior experience in gait analysis, movement science, or human activity recognition is a strong plus. Knowledge of sensor fusion and multi-modal data integration. Experience deploying models in production or on embedded systems. Familiarity with tools like MATLAB, SciPy, or OpenSim is helpful.
About Quin Quin is redefining smart safety with real-time event detection and data-driven response systems that save lives. We embed our proprietary technology into helmets and wearables through B2B partnerships with global brands. With a strong foothold in motorcycling and a strategic focus on Cycling and Industrial Safety , our technology is already trusted by top names across the U.S. and Europe. We’re a fast-moving, purpose-driven team building industry-leading technology that brings intelligence into safety gear. About The Role We’re looking for a Firmware / Embedded Systems Engineer with 3 to 5 years of hands-on experience in embedded development to support the design and optimization of cutting-edge low-power, sensor-driven wireless devices. In this role, you’ll be working on performance-critical systems involving BLE connectivity, real-time data processing, and custom hardware integrations. This is a great opportunity for an engineer who enjoys digging deep into firmware performance, power optimization, and working across the entire embedded stack—from board bring-up to wireless protocols and sensor data management. Key Responsibilities Develop, test, and maintain embedded firmware for custom hardware platforms, with a strong focus on BLE-based communication systems. Integrate and optimize sensors such as IMUs, accelerometers (digital and analog), and other low-power peripherals. Work with flash file systems, bootloaders, and memory management strategies for efficient data handling. Drive power optimization efforts across firmware, including deep sleep modes, peripheral management, and runtime tuning. Contribute to antenna and RF performance optimization in collaboration with hardware and RF teams. Support synchronized data collection across multiple devices for real-time streaming and data logging applications. Collaborate with cross-functional teams including hardware, app, and data science to deliver seamless end-to-end product functionality. Basic Qualifications B.Tech. or M.S. in Electronics Engineering, Embedded Engineering, or related discipline. 3–5 years of experience developing embedded firmware in C/C++ for ARM Cortex-M or similar microcontrollers. Proven experience with Bluetooth Low Energy (BLE) stacks and custom BLE services/profiles. Experience with IMUs, accelerometers, and integrating sensor data into real-time applications. Familiarity with flash memory, embedded file systems, and bootloaders. Strong debugging skills using tools like JTAG/SWD, oscilloscopes, logic analyzers, and protocol sniffers. Preferred Qualifications Experience with Nordic Semiconductor devices and the nRF Connect SDK (NCS). Knowledge of low-power design principles and techniques for battery-operated devices. Background in RF/antenna tuning and wireless performance testing. Understanding of BLE live streaming, synchronized data collection, and time-stamping accuracy across devices. Familiarity with protocols like Find My, ANT+, or other proprietary wireless standards is a strong plus. Exposure to both digital and analog accelerometers and their trade-offs in embedded systems.
About Quin Quin is redefining smart safety with real-time event detection and data-driven response systems that save lives. We embed our proprietary technology into helmets and wearables through B2B partnerships with global brands. With a strong foothold in motorcycling and a strategic focus on Cycling and Industrial Safety, our technology is already trusted by top names across the U.S. and Europe. We’re a fast-moving, purpose-driven team building industry-leading technology that brings intelligence into safety gear. If you’re ready to be a part of work that is making a human impact through tech —this is your opportunity. Job Description; We are seeking a passionate and experienced Senior iOS Developer to join our dynamic team and contribute to the development of exceptional iOS applications that enhance road safety and rider experience. As a key member of our development team, you will play a crucial role in shaping the future of our mobile applications and integrating them with our smart helmet Technology. Technical Skills (Experience: Senior Level); Expertise in Swift, SwiftUI, and Combine. Strong understanding of BLE, IoT protocols, and peripheral device communication. Experience implementing Firmware Over-The-Air (FOTA) updates (Nordic DFU or similar). Proficient in working with Firebase, MoEngage, and push notification customization. Good understanding of App Store Connect, TestFlight, provisioning, and release management. Experience with RevenueCat or similar in-app purchase solutions. Strong understanding of SPM, CocoaPods, and integrating 3rd party SDKs. Comfortable working with URLSession, JSON parsing, and modern concurrency (async/await). Familiar with Git workflows, Bitbucket pipelines, and Jira for agile development. Passion for clean architecture, code quality, and performance optimization. Key Responsibilities; Lead the development of iOS apps using SwiftUI (preferably SwiftUI 4.0 and above). Build and maintain complex, dynamic UI components with adaptive layouts. Integrate and manage Bluetooth Low Energy (BLE) devices and support IoT communication protocols. Implement and manage FOTA updates using platforms like Nordic DFU or custom update protocols. Handle push notifications including rich media notifications with Firebase Cloud Messaging (FCM) and MoEngage. Manage in-app purchases and subscriptions using RevenueCat or Apple’s StoreKit framework. Configure and maintain App Store distribution, TestFlight builds, and release pipelines. Create and manage Swift Package Manager (SPM) modules and reusable components. Work with RESTful APIs using URLSession, async/await, and Combine for data flow and reactive bindings. Evaluate and implement new iOS 18 APIs, ensuring apps leverage the latest Apple platform capabilities. Debug, track, and resolve complex issues using Jira, Bitbucket, and Git. Collaborate with cross-functional teams in Agile/Scrum environments Work with 3d models Familiarity with CoreBluetooth, background BLE operations, and watchOS Work with location manager/geo fencing Experience with Quality practices like test driven development,CI/CD, writing code covered with automated tests , performing pull request reviews (code reviews) for alignment with coding standards and best practices for ios development Has good experience with handling application performance tuning, app profiling, memory management code optimizations, integration with APIs, optimization of memory, battery and CPU for the apps Required Qualifications; Bachelor’s degree in Computer Science, Software Engineering, or related field 5+ years of experience in iOS app development Strong proficiency in Swift, SwiftUI, and iOS ecosystem Expert in programming for processing, algorithm integration, and optimization Deep understanding of iOS design patterns and architectural principles Experience with Core Bluetooth, BLE programming, and location management Strong knowledge of databases, backend services, and UI/UX principles Excellent problem-solving, debugging, and communication skills Experience with Core Data, Firebase, and analytics tools Familiarity with payment integration (Apple IAP) Knowledge of CI/CD pipelines and automation tools Experience with Agile methodologies and sprint-based delivery Nice to Have; Exposure to ARKit, VisionKit, or other iOS 18-specific features. Experience in unit testing, UI testing, or CI/CD automation. Why Join Quin; At Quin, you will be part of a passionate team dedicated to making a real difference in riders' lives. We offer a dynamic work environment where your ideas can directly impact product development and rider safety. You will have the opportunity to work on ground-breaking technology, collaborate with passionate experts, and contribute to shaping the future of rider safety. Join us in our mission to make riding smarter, safer, and more enjoyable. If you are excited about leveraging cutting-edge technology to enhance road safety and rider experience, Quin is the perfect place for you to accelerate your career. We are not just employees, we are innovators, riders, and guardians of the road. Come be part of a company that is redefining what it means to ride safely in the modern world.
About Quin Quin is redefining smart safety with real-time event detection and data-driven response systems that save lives. We embed our proprietary technology into helmets and wearables through B2B partnerships with global brands. With a strong foothold in motorcycling and a strategic focus on Cycling and Industrial Safety, our technology is already trusted by top names across the U.S. and Europe. We’re a fast-moving, purpose-driven team building industry-leading technology that brings intelligence into safety gear. If you’re ready to be a part of work that is making a human impact through tech —this is your opportunity. Job Description We are seeking a passionate and experienced Android Developer to join Quin’s growing team and help shape the future of smart safety technology. You’ll take a leading role in building Android applications that deliver seamless user experiences and connect with cutting-edge devices in our product ecosystem. This role is central to bringing intelligence, usability, and performance together to create technology that has a direct human impact. Responsibilities Design, develop, test, and maintain high-quality Android applications using Kotlin and Java. Build scalable, reusable, and maintainable code aligned with modern Android development practices. Create polished and intuitive UI experiences, including custom components and smooth animations. Collaborate with cross-functional teams to define requirements, prioritize features, and deliver value on time. Prototype and evaluate new ideas, tools, and frameworks to drive product innovation. Ensure applications are optimized for performance, reliability, and responsiveness across a variety of environments. Integrate applications with external systems, devices, and services where required. Conduct code reviews, champion best practices, and contribute to continuous improvement across the team. Stay current with emerging Android technologies (e.g., Jetpack Compose, new APIs) and share insights with the team. Required Qualifications Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field. 3+ years of professional Android development experience with a proven track record of shipping apps. Strong expertise in Kotlin (primary) and Java. Deep knowledge of the Android SDK, Jetpack libraries, and modern architectural patterns (e.g., MVVM, Clean Architecture). Experience building applications that integrate with connected devices or external hardware. Familiarity with Bluetooth/BLE, location services, and third-party API integrations. Proficiency with RESTful API integration and local data storage solutions. Hands-on experience with dependency injection, testing frameworks, and CI/CD practices. Strong debugging and performance optimization skills. Preferred Skills Experience with advanced UI frameworks (e.g., Jetpack Compose). Knowledge of performance monitoring tools and mobile analytics. Exposure to connected products, wearables, or IoT environments. Soft Skills Strong problem-solving abilities with a focus on practical, scalable solutions. Excellent communication skills for working across disciplines. Self-motivated and proactive, with the ability to take ownership of outcomes. A strategic thinker who can balance detail orientation with long-term vision. Why Join Quin At Quin, you’ll be part of a fast-moving, purpose-driven team redefining what safety technology can do. You’ll work alongside passionate engineers and designers, contribute directly to groundbreaking products, and see the real-world impact of your work. If you thrive on building world-class mobile experiences and want to be part of a mission that truly matters, Quin is the place to accelerate your career.
About Quin Quin is redefining smart safety with real-time event detection and data-driven response systems that save lives. We embed our proprietary technology into helmets and wearables through B2B partnerships with global brands. With a strong foothold in motorcycling and a strategic focus on Cycling and Industrial Safety , our technology is already trusted by top names across the U.S. and Europe. We're a fast-moving, purpose-driven team building industry-leading technology that brings intelligence into safety gear. About The Role We're looking for a Firmware / Embedded Systems Engineer with 3 to 5 years of hands-on experience in embedded development to support the design and optimization of cutting-edge low-power, sensor-driven wireless devices. In this role, you'll be working on performance-critical systems involving BLE connectivity, real-time data processing, and custom hardware integrations. This is a great opportunity for an engineer who enjoys digging deep into firmware performance, power optimization, and working across the entire embedded stackfrom board bring-up to wireless protocols and sensor data management. Key Responsibilities Develop, test, and maintain embedded firmware for custom hardware platforms, with a strong focus on BLE-based communication systems. Integrate and optimize sensors such as IMUs, accelerometers (digital and analog), and other low-power peripherals. Work with flash file systems, bootloaders, and memory management strategies for efficient data handling. Drive power optimization efforts across firmware, including deep sleep modes, peripheral management, and runtime tuning. Contribute to antenna and RF performance optimization in collaboration with hardware and RF teams. Support synchronized data collection across multiple devices for real-time streaming and data logging applications. Collaborate with cross-functional teams including hardware, app, and data science to deliver seamless end-to-end product functionality. Basic Qualifications B.Tech. or M.S. in Electronics Engineering, Embedded Engineering, or related discipline. 35 years of experience developing embedded firmware in C/C++ for ARM Cortex-M or similar microcontrollers. Proven experience with Bluetooth Low Energy (BLE) stacks and custom BLE services/profiles. Experience with IMUs, accelerometers, and integrating sensor data into real-time applications. Familiarity with flash memory, embedded file systems, and bootloaders. Strong debugging skills using tools like JTAG/SWD, oscilloscopes, logic analyzers, and protocol sniffers. Preferred Qualifications Experience with Nordic Semiconductor devices and the nRF Connect SDK (NCS). Knowledge of low-power design principles and techniques for battery-operated devices. Background in RF/antenna tuning and wireless performance testing. Understanding of BLE live streaming, synchronized data collection, and time-stamping accuracy across devices. Familiarity with protocols like Find My, ANT+, or other proprietary wireless standards is a strong plus. Exposure to both digital and analog accelerometers and their trade-offs in embedded systems.