I help hardware startups and product teams build production-ready embedded systems across firmware, embedded Linux, IOT and edge AI. Top Rated Plus | 100% Job Success | 19,000+ Upwork hours | 80+ Jobs Completed My strongest work is turning prototypes into stable, testable, production-ready systems: MCU firmware, hardware bring-up, connectivity, embedded Linux gateways, MQTT/AWS IoT telemetry, camera pipelines, and edge-AI inference. EMBEDDED FIRMWARE • ESP32 / ESP-IDF firmware for Wi-Fi, BLE, sensors, MQTT, OTA, and cloud-connected devices • STM32 firmware with FreeRTOS, drivers, UART/SPI/I2C/CAN, bootloaders, and hardware bring-up • Nordic nRF52840 / nRF9160 / nRF5340 firmware using Zephyr RTOS, BLE GATT, low-power design, and FOTA • Sensor integration, power optimization, debugging, testing, documentation, and source-code handover • Services include ESP32 / ESP-IDF firmware, STM32 firmware, Nordic nRF52/nRF9160, Zephyr RTOS, FreeRTOS, BLE GATT, Wi-Fi, LTE-M, NB-IoT, LoRa, UART/SPI/I2C/CAN, bootloaders, OTA/FOTA, low-power firmware, sensor integration, and hardware bring-up. EMBEDDED LINUX • Yocto / Buildroot Linux images, BSP customization, device tree, kernel configuration, and system services • Raspberry Pi CM4, i.MX6/i.MX8, Linux gateways, modem/networking, MQTT bridges, and production device setup • Linux driver-level debugging, boot issues, hardware interfaces, camera pipelines, and field reliability improvements • Services include Embedded Linux, Yocto, Buildroot, BSP customization, device tree, kernel configuration, Linux device drivers, Raspberry Pi CM4, i.MX6/i.MX8, system services, modem/networking, MQTT gateways, and production device setup. EDGE AI / CAMERA SYSTEMS • OpenCV, YOLO, OCR/ALPR, RTSP streams, object detection, visual inspection, and safety scoring systems • Embedded Linux camera pipelines, edge inference, model integration, performance optimization, and cloud-connected AI workflows • Services include Edge AI, computer vision, OpenCV, YOLO, RTSP camera streams, OCR/ALPR, visual inspection, object detection, driver safety scoring, crack/pothole detection, embedded inference, Jetson, Raspberry Pi, and Coral TPU. BEST-FIT PROJECTS • ESP32 / STM32 / Nordic nRF firmware • BLE wearable and low-power sensor devices • Zephyr RTOS / FreeRTOS systems • IoT devices with MQTT, AWS IoT, OTA, and telemetry • Embedded Linux gateways and Yocto/Buildroot systems • Camera-based edge-AI and computer vision systems If you need someone who can own the embedded system layer — not just patch code — I can help turn your prototype into a reliable product.

Whether you plan to build an end-to-end commercial product, need a very specific industrial solution, or just want a helping hand on a personal project, I can help turn your ideas into reality. I am an Electrical Engineer with extensive experience in IoT, embedded systems, and full-stack web & mobile app development. This combination allows me to deliver complete, end-to-end solutions where hardware and software work seamlessly together. My areas of expertise: ✅ Firmware & Embedded Systems: C/C++ for NRF52, ESP32, STM32, Arduino, Raspberry Pi; IDEs and frameworks including VS Code, Segger, STM32CubeIDE, ESPHome, Nordic SDK, STM32Cube, PlatformIO. ✅ Cross-platform app development (Android, iOS, web): React Native + Expo, Flutter, Capacitor. Native development (Kotlin/Swift). Embedded/systems Rust. ✅ Databases, backend & server-side scripting: Firebase, Supabase, MySQL, PostgreSQL, MongoDB, InfluxDB; Node.js. ✅ Data Analytics & Machine Learning: MATLAB, Python. ✅ Server Management & IoT Platforms: AWS, Azure, Google Cloud. ✅ FPGA & HDL: VHDL/Verilog, Quartus, Lattice Diamond for design and simulation. ✅ Electronics & Circuit Design: PSpice, Eagle, Altium Designer, KiCad; full prototyping and testing capabilities. I have the resources to build and test prototypes in my in-house workshop and the experience of having cutsom PCBs built with manufacturers like PCBWay and JLCPCB. I've had the privilege of working with clients from all over the globe. I encourage you to explore the reviews and feedback from my previous clients to get a sense of their experiences. I value open communication and I'm dedicated to creating a collaborative and friendly working relationship where we can work together to turn your ideas into reality. I'm always eager to take on new challenges, continuously learn, and stay updated with new technologies.

I help startup founders and established businesses launch high-quality iOS, Android, Web, and cross-platform apps fast. As a senior mobile developer, I’ve shipped dozens of apps using SwiftUI, React Native, React Web, Kotlin, Unity, Firebase, AWS, and Azure, including an AR app for NASA’s Visitor Center at Goddard. Whether you’re building an MVP, adding features, or integrating with cloud services, I bring solo execution and clean delivery. No bloated teams. No hand-holding required. Recent and notable work: • NASA: Unity-based AR app for iOS and Android • iOS startups: Social and animation-sharing apps • AI integrations: OpenAI, Hugging Face, RAG, and API workflows • React Web apps with backend integrations • AR/VR product visualization tools • Firebase Functions and Azure cloud apps • Published apps on App Store and Google Play Clients hire me for: • Full app builds from scratch • Debugging and scaling existing codebases • Fast turnaround on scoped deliverables U.S.-based | Rutgers CS graduate (4.0 GPA) | Available for hourly or fixed-scope work

I specialize in workflow automation and pipeline development primarily for computer graphics, video, and image processing - drawing on years of experience as a technical director at an animation studio. I'm always happy to discuss your task or project and explore solutions together. / __what_i_deliver__ - Automation of production processes, especially where the use of computer graphics is required - Tool & plugin development for 3D applications, building USD-based pipelines - Render farm setup, cloud rendering infrastructure and cost optimization - Synthetic 3d data generation, parametric modeling, Gaussian splatting - Image/video processing: custom ComfyUI workflows, gen ai image/video pipelines, ai motion capture - SaaS Full-stack dev, DevOps/FinOps, serverless GPU deployment - Blockchain apps, smart contracts dev - Reverse engineering, binary analysis, decompilation - R&D, mathematical tasks, algorithm implementation - Embedded/microcontroller programming: ESP32, STM32H7, Raspberry Pi and more / __tech_stack__ - Python, С/C++, TypeScript, Dart, GLSL - Backend: FastAPI, Node.js/Express, NestJS, MongoDB, PostgreSQL, Redis - Frontend: Qt (PySide), Svelte, React, Next.js, Flutter, Three.js, WebGL - ML/Generative: ComfyUI, PyTorch - Computer vision: OpenCV, MediaPipe, SAM, Yolo, ResNet - AI agents: LangGraph, Google ADK, Anthropic API - web3: Solidity, Hardhat, Foundry, OpenZeppelin, Dynamic.xyz, Alchemy, IPFS - Infra cloud: AWS , GCP, Hetzner, Railway, Vercel - Infra GPU cloud: Modal, Runpod, vast.ai, Koyeb - Infra Devops: IaC, Docker, K8s, Terraform, MinIO, NAS, S3 - RE: Frida, Ghidra, IL2CPP / __dcc_&_pipeline_tools__ - Blender (bpy, GeoNodes), Autodesk Maya (mel/python/OpenMaya), SideFX Houdini (hython, hscript, HDK), 3ds Max (maxscript), Unreal Engine, Foundry Nuke (incl. BlinkScript), Katana, DaVinci Resolve (incl. DCTL creation and Lua scripting), NVidia Omniverse kit, NVidia Lyra and more - Character creation automation: MetaHuman, DAZ Genesis, Faceform Wrap - Render engines: Pixar RenderMan, Maxon Redshift, Karma, Arnold, Cycles - Rendering pipeline: AWS Deadline Cloud, Pixar Tractor, Fox renderfarm - Adobe CEP and UXP extensions, ExtendScript and C++ plugins for After Effects, Premiere Pro, Photoshop, Illustrator - Project management: ShotGrid (now Autodesk Flow), FTrack, Perforce - Opensource industry: ASWF projects (ACES, OpenColorIO, OpenImageIO, OpenEXR, OSL, rez etc), OpenGL, WebGL, OpenCL, Vulkan, FFmpeg, OpenUSD ... and more. But if you've read this far, and your task is non-standard or lies at the intersection of different, not necessarily technical, fields, then I really love tackling unusual problems when it difficult to find a specialist. Write to me, I'll be glad if I can be of help.

Envion Software helps companies build, modernize, and recover stalled software projects through senior engineering teams, fixed-cost projects, and time-and-materials development. We work with startups, growing companies, and established businesses that need reliable execution across full-stack development, cloud, DevOps, AI/LLM applications, data engineering, mobile, embedded systems, firmware, IoT, and legacy modernization. We can augment your existing team, take ownership of a defined project, or step into a stalled codebase to stabilize architecture, improve delivery, and restore forward progress. Clients choose Envion when they need experienced engineers who understand complex systems quickly, integrate smoothly with existing teams, and deliver dependable results.

High-performance backends. Decision engines. AI factories. Computer vision. Real-time systems. From UI/UX-heavy MVPs to full-stack platforms built for the traffic that comes after launch day, not just during it. Rust, C++, and 5+ languages. 100,000+ concurrent WebSocket connections -- in production. A 12-week roadmap shipped in 4. 30 senior engineers. Dedicated project teams, not rotating freelancers. Every engagement starts with a paid Discovery phase -- we scope the architecture before we write a line of code. Not a fit: no-code workflows, or projects solvable with Zapier. WHAT I BUILD - High-Performance Backends: Production backends with actix-web, axum, and Tokio -- millions of requests/day, zero GC pauses. REST, GraphQL, WebSocket, and gRPC services for throughput and latency-sensitive workloads. - Full-Stack Platforms: React, Next.js, TypeScript frontends with production backends -- SaaS, MVPs, and custom web applications from architecture to deployment. Designed for 1K to 100K concurrent users without a rewrite. - Autonomous AI Agents: Agentic pipelines with OpenAI and Anthropic Claude -- lead qualification, data analysis, customer support running 24/7. Multi-step reasoning, error recovery, state persistence. 11+ projects for one client. - Computer Vision: Object detection, tracking, real-time inference, OCR, document processing -- CUDA-optimized, deployed as production APIs or edge devices. Not Jupyter notebooks. - Real-Time 3D & Visualization: WebGL and WebGPU rendering -- product configurators, data dashboards, architectural viewers at 60fps in-browser on mid-range hardware. - Data Pipelines: Rust-native processing with Polars and DataFusion -- replacing Python/JavaScript bottlenecks. Kafka streaming, PostgreSQL persistence. - Cloud & Infrastructure: AWS, GCP, Azure with Terraform and Kubernetes -- auto-scaling, zero-downtime deployments, infrastructure-as-code. RECENT OUTCOMES - Crypto trading platform dropping connections above 8,000 users. Rebuilt proxy in Rust, Tokio, Kubernetes -- 100,000 connections at under 10ms, zero crashes. - GovTech blockchain payment router on Go. Rebuilt IAVL Tree in Rust -- 20–30% faster, Clutch-reviewed (Alex Kampa, AZKR Research). - Recruitment team spending 4 hours daily on manual data entry. Built automated extraction and processing pipeline -- 95% reduction. - Data analytics platform hitting memory limits in JavaScript. Replaced core with Rust and Polars -- 5x faster processing, 70% lower memory. - Blockchain gaming 3D pipeline loading in 8+ seconds. Rebuilt within 4GB RAM budget -- 45% faster, Clutch-reviewed (Ruslan Varets). TECHNOLOGIES - Systems & Backend: Rust, C++, Python, TypeScript, actix-web, axum, Tokio, Node.js, WebAssembly - Frontend: React, Next.js, TypeScript, Tauri, Dioxus - AI & Agents: OpenAI, Anthropic Claude, Hugging Face, LangChain, RelevanceAI - Graphics: WebGL, WebGPU, OpenGL, Vulkan, three.js, GLSL/WGSL shaders, bevy - Vision: OpenCV, CUDA, PyTorch, TensorFlow, Keras, Mediapipe - Data: Polars, DataFusion, PostgreSQL, Kafka, Snowflake, Apache Arrow - Cloud & DevOps: AWS, GCP, Azure, Terraform, Kubernetes, Docker, GitHub Actions - Networking: WebRTC, LibP2P, QUIC, WebSocket, gRPC Delivery: Discovery → Architecture Review → Platform Build → Performance Testing → Production Deploy → Runbook Handoff. Fixed scope per phase. This profile is for engineering teams building production platforms under real load. Send your project brief -- I'll reply within 48 hours to assess fit.

⭐️ 12+ Years of Excellence in Game Development 🏆 Achievements: 💰 Over $100,000 in total earnings from long-term projects, a testament to the quality and consistency of my work. 🎥 Participation in multiple Top-Notch projects showcased in my video reel, reflecting my commitment to excellence. ⭐ Top Rated Plus Upwork profile, demonstrating my dedication to delivering exceptional results. 💯 Maintaining a 100% Job Success Rate, a clear indicator of client satisfaction with my work. 💼 Professional Highlights: 🚀 With over 12 years of industry experience, I've worked with prestigious brands and nurtured startups into million-dollar companies. 🎮 My expertise lies in game development, specializing in Unity and Unreal. 💡 I'm well-versed in a wide array of areas, including game mechanics, gameplay, shaders, VFX, VR, AI, web services, optimization, and more. 🔧 Proficient in cross-platform development for PC, Android, Mac, iOS, WebGL, HTC VIVE, and Oculus. 🛠️ Highly skilled in software systems architecture and asset implementation. 🎨 I excel in level design, ensuring both functionality and visual appeal. 🚀 Committed to delivering exceptional, highly customizable game development solutions. 🌐 My extensive portfolio showcases the quality and diversity of my work 📽️ I invite you to explore my video reel to witness my projects in action: 🤝 Let's Collaborate: 🌐 Your vision is my mission, and I'm here to help you bring your gaming aspirations to life. 💬 If you have any questions or would like to discuss your project further, please feel free to reach out. 🤝 I'm committed to providing top-notch, client-focused game development solutions. 🌟 Thank you for considering me as a potential collaborator, and I look forward to the opportunity to work together. Your vision is my mission, and I'm here to help you achieve your gaming aspirations. 🚀 Have a great day!

I’m a senior creative engineer specializing in JUCE/DSP, real-time 3D, Qt/HMI, AI systems, FFmpeg workflows, and full-stack product development. I build production-ready software across audio plugins, desktop apps, WebGL/XR experiences, AI-powered tools, and media-processing pipelines. My strength is combining strong engineering with design precision, so the final product is not only functional, but fast, polished, and easy to use. Core skills include: Audio/DSP: JUCE, C++23, VST3, AU, CLAP, FFmpeg, custom plugin GUIs 3D/XR: Three.js, WebGL, WebXR, Unity, OpenGL, Blender AI/ML: Python, PyTorch, OpenCV, RAG, FastAPI, automation workflows Full-Stack: Next.js, React, Electron, Node.js, Hono.js, Cloudflare, PostgreSQL, Docker I’m a good fit if you need a reliable technical partner for complex creative software, including audio tools, 3D viewers, AI applications, video-processing systems, or custom desktop/web platforms.

As a seasoned freelance programmer with a strong foundation in security and Unix systems, I bring a wealth of expertise to the realm of software development. With a passion for tackling complex challenges, I specialize in full-stack development, reverse engineering, and imparting knowledge through tutoring. Technical Proficiency: - Programming Languages: Proficient in a diverse range of languages including Python, Java, Ruby, Perl, C, JavaScript, and more! - Security Expertise: Extensive experience in identifying and mitigating security vulnerabilities. Adept at conducting penetration testing, threat modeling, and implementing robust security measures. - Unix Mastery: In-depth understanding of Unix-based systems, with a focus on Linux. Capable of optimizing system performance and ensuring the security and stability of Unix environments. Full Stack Development: - Frontend: Skilled in crafting responsive and user-friendly interfaces using HTML, CSS, and JavaScript frameworks such as React and Angular. Backend: Experienced in developing scalable server-side applications with proficiency in Node.js, Django, and Flask. Database Management: Proficient in designing and implementing databases using MySQL, PostgreSQL, and MongoDB. Reverse Engineering: - Binary Analysis: Expertise in reverse engineering and analyzing binaries to uncover vulnerabilities and enhance software security. Tutoring and Mentorship: - Educational Background: Possessing a comprehensive understanding of programming fundamentals, security concepts, and Unix systems, I am adept at conveying complex ideas in an accessible manner. - Mentorship: Committed to fostering the growth of aspiring developers through personalized guidance, code reviews, and hands-on mentorship. Additional Skills: - DevOps: Proficient in implementing CI/CD pipelines, containerization (Docker), and orchestration (Kubernetes) for streamlined development and deployment processes. - Networking: Knowledgeable in networking protocols, firewall configurations, and VPN setups to ensure robust and secure communication. - Cloud technologies: AWS, GCP, and Azure. Professional Approach: - Problem Solver: Known for my analytical mindset and creative problem-solving skills, I thrive in dynamic environments and excel at finding innovative solutions to intricate challenges. - Collaborative Team Player: Effective in cross-functional collaborations, I communicate technical concepts to both technical and non-technical stakeholders, fostering a cohesive and productive working atmosphere. With a commitment to continuous learning and a track record of delivering high-quality solutions, I am well-equipped to contribute to projects requiring a versatile and experienced freelance programmer with a focus on security and Unix environments.

15+ years in Software Development Available for 40 hrs/wk Excellent references from CEOs of the companies I worked for/with Able to bring a product to the market from inception, through specification, architecture, design, and implementation and testing. Seeking for software development projects in the following areas: - Desktop applications - Client/Server systems - Web applications Technologies and Frameworks: - C++, C#/VB.NET, Java, React, Node.js/React.js, MFC/ATL/COM, Office OM/JS API, MSGraph, WinForms, WPF, DevExpress, NetAdvantage Infragistics, XML, JSON, WebServices (WCF, RESTFull), SQL, Entity Framework, sockets (.NET and Winsock), JQuery/AngularJS/Bootstrap, etc