
Closed
Posted
Paid on delivery
Embedded UI Engineer for Premium AI Smartwatch (LVGL / Qt) READ CAREFULLY — generic applications will be rejected. We are building a 47 mm premium AI smartwatch (Garmin Fēnix / Apple Watch Ultra class) with on-device AI, LTE, gesture control, and physical inputs. This is a real hardware product, not a web or mobile app. We are looking for ONE experienced embedded UI engineer, not an agency. Project Overview Device: Premium rugged smartwatch Platform: Snapdragon W5+ Gen 2 (Embedded Linux) Display: 1.4–1.5″ round AMOLED, 60 Hz, MIPI-DSI Inputs: Rotary crown 3 physical buttons IMU-based gestures UI: Always-on, low-latency, power-aware REQUIRED SKILLS (NON-NEGOTIABLE) You must have real experience with: Embedded UI frameworks LVGL (preferred) OR Qt Embedded Embedded Linux Yocto / Buildroot Round displays AMOLED or TFT Physical inputs Rotary encoder / digital crown Hardware buttons Performance & power awareness Frame pacing Partial redraws Sleep / wake behavior If you have not shipped an embedded UI on real hardware, do not apply. DO NOT APPLY IF YOU ARE: A web developer (React, Vue, Angular, etc.) A mobile developer (Flutter, React Native, SwiftUI) A blockchain / Web3 / NFT developer An agency or team Someone who says “I can learn LVGL” We are not interested in generalists. WHAT YOU WILL WORK ON Watch UI architecture LVGL / Qt render loop optimization Crown-driven scrolling & menus Gesture → UI feedback Haptic-synchronized interactions Power-aware UI behavior Always-on display strategies This role directly defines how the product feels. TO APPLY — ANSWER THESE QUESTIONS Applications without answers will be rejected. Have you shipped an embedded UI on a round display? Which framework? How do you handle rotary encoder input without causing UI jitter? How do you reduce power consumption in an always-on watch UI? What causes frame drops in LVGL and how do you prevent them? What embedded products have you worked on? (links, photos, or videos preferred) RATE Hourly or fixed — negotiable for the right person Long-term opportunity if fit is strong FINAL NOTE This project is at a professional hardware startup level. We value: Ownership Craft Performance Simplicity If that excites you — apply.
Project ID: 40199747
134 proposals
Remote project
Active 3 mos ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
134 freelancers are bidding on average $2,148 USD for this job

Hi there, I’m an embedded UI engineer with hands-on experience delivering round-display interfaces on Snapdragon W5+ Gen 2 with LVGL/Qt Embedded, Embedded Linux, and power-aware always-on strategies. I will deliver a crisp, low-latency UI on a 1.4–1.5″ round AMOLED, with crown-driven navigation, robust gesture feedback, and haptic-synced interactions. My plan covers a tight render loop, partial redraws, frame pacing, sleep/wake behavior, and power profiling to meet target battery life. I’ll architect the UI to be modular, testable on hardware, and easy to maintain, while balancing performance and visual polish, ensuring Always-on readiness and smooth transitions. I will start with a compact architecture study, then implement LVGL or Qt render paths, input handlers for the crown, buttons, and IMU, and a clear strategy for always-on display. I’ll ship with a phased plan and measurable milestones, focusing on determinism, reliability, and a premium feel that matches your brand. Next steps: a two-week discovery sprint to validate render path, input latency, and power model on hardware, followed by phased milestones and sign-off criteria. Please confirm: 1) preferred UI framework (LVGL or Qt Embedded) and any non-negotiables; 2) target power budget and always-on policy; 3) availability of hardware for testing (W5+ dev board, round AMOLED); 4) acceptable input latency and jitter tolerance for crown/buttons/gestures; 5) on-device AI workloads limits and data handling; 6) acceptan
$3,000 USD in 14 days
9.0
9.0

Hello, At Live Experts®, we have a solid understanding and extensive experience in the areas that your project demands. With a particular focus on AI-powered, hardware-enabled systems, our team of skilled engineers and developers have had the privilege of working on projects that mirror the scope and complexity of your AI Smartwatch project. As an AI-enthusiast, I personally bring expertise in machine learning, deep learning, and artificial intelligence - skills that would be instrumental in delivering the 'intelligence' of the watch you're looking for. On a more specific note, our proficiency in embedded UI frameworks with hands-on experience with LVGL and embedded Linux (Yocto/Buildroot) is directly aligned with your requirements. My team has developed powerful UIs for various hardware products while navigating nuanced features like round displays for premium wearables, such as smartwatches which I can provide references upon request. Precisely, when it comes to managing rotary encoders as an input mechanism without causing UI jitter or ensuring reduced power consumption for an always-on UI, our skillset gels well with what you need. But what sets us apart is our commitment to craftsmanship, performance excellence and simplicity – some of the core values you emphasized in your project description. At Live Experts®, we don't just aim to build a product; we strive to create experiences. We will give meticulous attention to detail w Thanks!
$3,000 USD in 6 days
7.7
7.7

Hi there Employer, Thanks for posting this exciting project on this platform. I am really thrilled to place my proposal to your project because I am too much familar with all skiles necessary to do your project - Electronics, Mobile App Development, Animation, RTOS, UI / User Interface, AI (Artificial Intelligence) HW/SW I am looking forward to starting your project right away. Thanks and regards
$1,500 USD in 20 days
6.6
6.6

With a strong foundation in electronics and mobile app development, I bring unique and diverse skills to optimize the design and functionality of your premium AI smartwatch. The synthesis of my PCB design, Firmware development, and RF analysis gives me an edge in making your smartwatch experience seamless. I've honed specialized proficiency in power supply circuits, embedded systems, efficient LED driver circuits and RF PCB layouts and have a solid background programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Additionally, my mastery in wireless technologies including Wi-Fi, Bluetooth provides a distinct advantage for your smartwatch's connected features. Every element counts when it comes to creating the perfect user experience for such a unique hardware project like yours. Having worked on electronics devices that require low power consumption such as wearables, I am very familiar with reducing power consumption effectively while maintaining efficiency. Lastly, my adherence to deadlines without compromising quality aligns well with the high standards you seek. I look forward to the opportunity to contribute to the functionality of your smartwatch project; making it not just another product on the market but one that expresses ownership , craft and performance with simplicity!
$2,250 USD in 7 days
6.7
6.7

I am confident that my skills in Electronics, Mobile App Development, Animation, RTOS, and UI / User Interface align perfectly with the requirements of the project "AI-Powered 47mm Smartwatch Creation -- 2". I am eager to contribute to the creation of a premium AI smartwatch with embedded UI on real hardware. Rest assured, I am willing to adjust the budget and prioritize delivering high-quality results within your constraints. Please review my 15-year-old profile to see my extensive experience. Your satisfaction is my top priority, and I am ready to start working on this project immediately to demonstrate my dedication. Looking forward to discussing the details with you.
$2,100 USD in 21 days
6.5
6.5

I’m an embedded UI engineer who ships on real hardware, not demos. I’ve built and shipped round-display watch UIs on Embedded Linux using LVGL (primary) and Qt Embedded, including AMOLED panels with strict power budgets and always-on constraints. Shipped round UI: Yes — LVGL on a 1.45″ round AMOLED (MIPI-DSI) smartwatch-class device. I owned the render loop, input stack, and power states end-to-end. Rotary encoder without jitter: Hardware debouncing + timestamped deltas, velocity-aware acceleration, and UI updates quantized to the render tick. I decouple input sampling from rendering so the crown never blocks frame pacing. Always-on power reduction: Aggressive partial redraws, dirty-area discipline, frame rate scaling, grayscale AOD modes, static layer caching, and sleep-aware timers. UI state drives power, not the other way around. LVGL frame drops: Caused by over-invalidating, blocking input callbacks, unbounded animations, and sync I/O. I prevent them with scoped invalidation, async inputs, animation budgets, and deterministic tick handling. Products: Rugged smartwatch, industrial HMI, and low-power wearable UIs (photos/videos available). Approach: Start with a power-first UI architecture, tune the render loop on real hardware, then refine crown, gesture, and haptic interactions until the watch feels effortless. If you want craft, ownership, and performance — I’m in.
$1,800 USD in 2 days
5.6
5.6

Hello, I’ve shipped embedded UIs on round AMOLED displays using LVGL for a rugged medical monitoring device, ensuring smooth and responsive interactions under tight power budgets. For rotary encoder input, I implement debounce filtering and incremental input buffering to avoid jitter, combined with frame pacing aligned to LVGL's render loop. Power savings come from adaptive partial redraws, dimming strategies during idle states, and leveraging LVGL’s ability to suspend animations when not needed. Frame drops in LVGL typically relate to excessive redraw regions or blocking tasks— I profile and optimize render areas, and offload heavy computations outside the UI thread to maintain 60Hz. Beyond this, I worked on a healthcare wearable where I integrated physical buttons and gesture inputs with haptics, improving user feedback while keeping power use minimal. Could you share current pain points with the UI? Any existing render profiling data? This will help me propose targeted optimizations right away. I’m ready to jump in and bring your smartwatch UI to life with crisp, power-aware responsiveness. Looking forward to discussing next steps.
$3,000 USD in 7 days
5.3
5.3

Hello, hope you are doing well. I have carefully analyzed your requirements and recently worked on an embedded Linux wearable project using LVGL on a round AMOLED display, implementing rotary encoder navigation, physical button handling, gesture-driven UI feedback, and power-aware always-on interfaces optimized for low-latency rendering. For your project, I will design and implement a robust watch UI architecture using LVGL or Qt Embedded, optimize render loops, handle crown-driven scrolling without jitter, implement partial redraws and frame pacing, and ensure sleep/wake and always-on behaviors are power-efficient. I will focus on smooth interactions, haptic-synchronized feedback, and reliable performance on Snapdragon W5+ Gen 2. I am available to begin work immediately and am committed to delivering the highest quality embedded UI within the shortest possible timeframe. Best regards, Elenilson
$1,800 USD in 7 days
5.4
5.4

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LABView/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium IOT Technologies like Ethernet, GSM GPRS. HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.
$2,250 USD in 7 days
5.9
5.9

⭐⭐⭐⭐⭐ Senior Embedded Systems Engineer Here! ⭐⭐⭐⭐⭐ I have shipped embedded UI systems on real hardware with round and constrained displays using both LVGL and Qt Embedded on Linux-based SoCs. My experience includes designing full UI stacks for wearables and handheld devices where power, latency, and frame pacing are as critical as visual quality. On a recent round AMOLED device, I implemented LVGL with partial redraw regions, double buffering, and dynamic refresh throttling to maintain 60 Hz interaction while reducing idle power by more than 40%. For rotary encoders, I avoid UI jitter by using hardware debouncing, event-rate limiting, and a velocity-based scroll model that maps detent speed to animation step size. Gesture and physical inputs are unified through a single event queue with timestamped filtering to prevent blocking the render loop. To reduce always-on power, I use adaptive frame rates, aggressive sleep states, selective invalidation, and low-brightness AOD layers rendered from cached bitmaps. Frame drops in LVGL are usually caused by blocking tasks, full-screen invalidation, and memory fragmentation—solved through task isolation, DMA-driven flushing, and static memory pools. I have worked on rugged handhelds, wearable controllers, and Linux-based industrial HMIs using Yocto, custom display drivers, and power-aware input pipelines. Looking forward to discussing more details. Regards, Mykola
$3,000 USD in 30 days
5.2
5.2

Hi there, I'm excited about the opportunity to contribute to your premium AI smartwatch project. As a top embedded UI engineer based in California, I have extensive experience with embedded systems and have successfully shipped multiple projects involving LVGL and round display interfaces. The combination of features such as gesture control and physical inputs is right up my alley, and I am confident in my ability to design a low-latency, power-aware UI that enhances user interaction with the device. My background includes hands-on experience optimizing render loops for embedded devices, ensuring responsive and fluid interactions, especially with rotary encoders and haptic feedback. I am particularly familiar with the Snapdragon W5+ Gen 2 platform and have delivered high-performance, visually stunning interfaces on small-screen devices. I look forward to discussing how I can help drive the success of your smartwatch. Could you let me know about your preferred timeline for this project? Have you had any challenges with implementing gesture inputs, and how did you overcome them?
$2,750 USD in 1 day
5.0
5.0

Hi, I have carefully reviewed your project for an Embedded UI Engineer to develop the UI for your premium rugged AI smartwatch using LVGL or Qt Embedded on Snapdragon W5+ Gen 2. With extensive hands-on experience shipping embedded UIs on real hardware round AMOLED displays, I am confident in crafting a power-efficient, low-latency, always-on UI with seamless rotary crown scrolling, gesture feedback, and haptic synchronization. I specialize in embedded Linux, Yocto/Buildroot, and handling physical rotary encoders and buttons to eliminate UI jitter. My approach includes optimizing the render loop, implementing partial redraws, and designing power-aware behavior for long battery life. I can start immediately and suggest an initial timeline of 30 days for architecture and core UI development. Could you share any specific challenges you've faced so far with the rotary crown or gesture inputs? Best regards,
$2,500 USD in 12 days
5.0
5.0

✅Okay, I got what you want exactly. I am a Senior Embedded UI Engineer with over 10 years of experience, providing on-device UI development for wearables, embedded Linux systems, LVGL/Qt Embedded, and performance-optimized C/C++ interfaces. In my opinion, the key to this smartwatch UI is a voice-first, glanceable experience that feels fast and natural on a round display. I would focus on a unified input model where touch, crown, buttons, gestures, and AI states all feel consistent while keeping power usage tightly controlled. This project is very similar to my previous works. I’ve built a round LVGL-based UI for a rugged outdoor wearable with a 1.45” AMOLED, implementing crown navigation, 3-button input mapping, and IMU-driven gestures across 18 screens. I also optimized animations to maintain 60 Hz active refresh while dropping to sub-10 fps in ambient mode, reducing UI power draw by ~22%. ✅ So, I will divide your project like following: ⚡ Define UI architecture, input abstraction, and power-aware state model ⚡ Design and implement watchface, AI interaction states, and core navigation ⚡ Build health dashboards, quick actions, and system/settings screens ⚡ Optimize animations, performance, and low-power behavior on target hardware Via private chatting or meeting, I will provide the creative idea and good tech solution for your project and I want to discuss about the budget and timeline in detail. Best regards. Yaroslav
$1,500 USD in 7 days
5.0
5.0

Hi, I'm Abdul, an experienced Full-stack developer whose key area of focus is Blockchain and full-stack development, which includes proficiency in NodeJS, Python, and more. While I don't have direct experience with the specific technologies you require for this project, my adaptability and fast learning capabilities make me confident that I can effectively contribute to its successful completion. I love facing new challenges and acquiring new skills, and your project seems like the perfect opportunity to do just that. With 6 years of industry experience under my belt, including developing E-commerce and hospital management systems from scratch, I bring a strong sense of ownership and craftsmanship to my work- two values that align excellently with what you seek. While my past projects may not be directly applicable to your current needs, they showcase my capability to take on complex tasks and deliver top-notch solutions even under tight deadlines. I'm eager to step up and work with your respected organization for the successful creation of this AI Smartwatch. Let's discuss how we can effectively leverage my existing skills and align them with your bespoke requirements! I'm looking forward to hear from you soon. Best regards.
$1,800 USD in 14 days
4.9
4.9

Hello there! Thanks for posting project "AI-Powered 47mm Smartwatch Creation -- 2" I would like to work over you project immediately as per your requirements up-to your satisfaction as I am working since last 11 years in same field Please review my portfolio and more then 1000+ positive feedback PORTFOLIO LINKS: https://www.freelancer.in/u/KayaCreation UNLIMITED SAMPLES AND CHANGES Experienced in UI / User Interface, Animation, RTOS, Electronics, AI (Artificial Intelligence) HW/SW and Mobile App Development. 3-4 initial drafts deliver in 24hour and unlimited revisions on selected sample # 100% Satisfaction # Vector files (AI, PDF, EPS,PSD,PNG, JPEGs). With regards Kaya
$2,500 USD in 1 day
5.1
5.1

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
$2,000 USD in 7 days
5.1
5.1

I am an experienced embedded UI engineer with a proven track record in delivering high-quality UI solutions for real hardware products. My expertise lies in LVGL, Qt Embedded, Embedded Linux, Yocto/Buildroot, round displays, AMOLED/TFT, physical inputs, rotary encoders, and power-aware UI design. I have successfully shipped embedded UI projects on round displays and can optimize render loops, handle rotary encoder input seamlessly, and reduce power consumption effectively. My focus on performance and simplicity aligns perfectly with the professional standards of this project.
$3,000 USD in 7 days
4.3
4.3

As a highly-experienced embedded UI engineer, my skills and decades-long passion align perfectly with the requirements of your premium AI smartwatch project. With a keen eye for detail, I have fine-tuned my craft in areas such as LVGL, Qt Embedded, Yocto/Buildroot, and various display types including AMOLED and TFT. In addition to this, I specialize in 3D design and have developed a deep understanding of hardware components and their interaction. My breadth of experience includes shipping embedded UI on round displays, and my meticulous approach ensures flawless handling of rotary encoder input without causing any UI jitter. Power consumption reduction in always-on watch UI is an area that I prioritize as it enhances not just battery life but overall device performance. I apply this same attention to all aspects such as frame drops prevention in LVLG by optimizing frame pacing and ensuring suitable sleep/wake behavior. My dedication to quality work suits your requirement for professionalism, ownership, performance, and simplicity. My strong commitment to deadlines combined with an inclination towards excellence makes me the ideal candidate for optimizing the watch's UI architecture and ensuring power-aware behavior that does justice to your premium product vision. This collaboration promises a beautifully functional reality that you can count on.
$2,250 USD in 7 days
4.2
4.2

Hello, I’m an embedded UI engineer with 6+ years of experience designing and implementing production-grade interfaces for wearable and IoT devices, and I’ve carefully reviewed your 47 mm LTE AI smartwatch requirements. I’ve delivered 15+ embedded UI projects, including 5 wearable or round-display devices, using LVGL and Qt Embedded on Embedded Linux and RTOS platforms. For this watch, I would design and implement a round AMOLED-optimized UI supporting touch, crown rotation/press, buttons, gestures, and voice-first states, with smooth navigation and glanceable layouts. I have hands-on experience maintaining 60 Hz active rendering while implementing power-aware UI states such as AOD and low-refresh modes to extend battery life. I’ve built health dashboards (HR, SpO₂, activity), system settings, and AI interaction states (listening/thinking/speaking) that run fully on-device with sub-50 ms input response. My approach focuses on clean, modular UI architecture, efficient animations, and memory-safe rendering suitable for Snapdragon-class wearable SoCs. You’ll receive running UI code on target or reference hardware, documented screen flow, and maintainable input-handling logic ready for iteration. I’d be happy to share videos and screenshots from real hardware and clarify whether you’re standardizing on LVGL or Qt Embedded for this build.
$2,250 USD in 7 days
4.4
4.4

⭐⭐⭐⭐⭐ This is exactly my lane. I’m an embedded UI engineer focused on real hardware, not apps, and I’ve shipped production UIs on round AMOLED displays using LVGL on Embedded Linux. Direct answers to your questions: • Shipped round display UI: Yes — LVGL on circular AMOLED (1.3–1.5”), Linux-based SoC. Custom masking, arc widgets, and dial-safe layouts. • Rotary encoder without jitter: Hardware debouncing + event coalescing, velocity-based scrolling, frame-synced input handling (encoder → queue → LVGL tick), no direct ISR-to-UI writes. • Reducing power in always-on UI: Partial redraw regions, low-FPS idle mode, aggressive sleep states, GPU/DRM blanking, AOD layers with static buffers, input-driven wake only. • Frame drops in LVGL: Usually from full-screen invalidation, blocking I/O in the render loop, poor cache alignment, or unthrottled input events. I prevent this with strict invalidation control, double buffering, frame pacing, and non-blocking drivers. • Embedded products: Wearables, industrial HMIs, and low-power Linux devices with physical inputs (encoders, buttons, IMU gestures). Happy to share photos/videos under NDA. I’m comfortable with Yocto/Buildroot, MIPI-DSI panels, crown-driven UX, and power-aware UI architecture. I work solo, take ownership, and optimize for feel, not demos. If you want the UI to feel premium, fast, and intentional, I can start immediately.
$2,250 USD in 7 days
4.5
4.5

Fairview, United States
Payment method verified
Member since Jan 13, 2026
$1500-3000 USD
$25-50 USD / hour
$1500-3000 USD
$10000-20000 USD
$500-600 USD
min $50 USD / hour
$750-1500 USD
$48 USD
$250-750 USD
$15 USD / hour
$10-30 USD
$42 USD
$750-1500 USD
$750-1500 USD
$18.5 USD / hour
$30-250 CAD
₹12500-37500 INR
$30-250 USD
$78 USD / hour
$18.5 USD / hour
₹400-750 INR / hour
£20-250 GBP
₹12500-37500 INR
$120-150 AUD