Creating SEO content for IT (blog articles, landing pages, whitepapers, case studies) or whatever texts you need.
Topics working with Marketing, Information technology (IT), Artificial Intelligence (AI), Internet of Things (IoT), Data Science, Data Warehouse, Data Migration, Big Data, Cloud Solutions, Machine Learning (MA), Augmented Reality (AR), QA and software testing, UI/UX design, cybersecurity, blockchain, eCommerce, crypto, gambling, etc.
NOT a naked monkey-prompted AI crap (I despise it).
Processed by human brains, typed by human hands, human-made content. Screw chatbots and llms.
Worked as a Head of Content with 18 remote copywriters and translators. Can assemble a team from scratch if you have a huge project.
I also work as a creative and project manager with visual artists (2D, 3D). Just in case you need some animation stuff.
SEO Audit
SEO Writing
Copywriting
Ghostwriting
Content Creation
White Paper Writing
Blog Writing
Conversion Rate Optimization
Content Writing
Technical Writing
Creative Writing
Elman E.
Kyiv, Ukraine
$35/hr
4.2
80 jobs
✅ Top-Rated Upworker - Senior Hardware Engineer, Mass Production Expert, Firmware and Software developer - To Get Your Project Developed From Scratch To Mass Production.
With 30 years experience in electronics engineering designed power, analog and digital electronics, including PCB, embedded and mechanics design. I have served a wide variety of industries and have developed initial concepts and prototype devices as well as producing products that go into full scale production manufacturing.
Key Offerings:
•Digital circuits design
•Power circuits design
•Analog, precision and low noise circuits PCB design
•Housing and mechanics for electronics
•Consulting in electronics
•Cost optimization of existing projects
•Developing modern analogues of existing devices
•Software and firmware development
•Server solutions
Projects developed by me include:
- Compact single board ARM computer/router
- Virtual reality suit for medical purposes
- Autonomous, solar-powered lamp with controller for DIN-rail
- Smart Battery Management System (BMS)
- Linux body cam
Internet of Things Solutions Design
PCB Design
Embedded C
KiCad
Mobile App Development
Electronic Circuit Design
Hardware Prototyping
Electronic Design
Product Development
Firmware
Server & Virtualization Software
Analog Electronics
Network Engineering
Solar Energy
Microcontroller Programming
Artem H.
Ivanivtsi, Ukraine
$60/hr
5.0
3 jobs
I am a dedicated Embedded Electronics Engineer with a passion for turning innovative ideas into reality. My expertise lies in designing and developing embedded systems, IoT solutions, and electronic devices.
My Skills:
- Embedded Systems Design
- PCB Design and Layout
- Microcontroller Programming (ARM, AVR, PIC)
- IoT Development
- Firmware Development
- Sensor Integration
- Wireless Communication (Bluetooth, Wi-Fi, RFID)
- Analog and Digital Circuit Design
- Prototyping and Testing
- PCB Manufacturing and Assembly
My Recent Projects:
- Designed and implemented a low-power IoT device for remote environmental monitoring, reducing energy consumption by 30%.
- Developed a real-time embedded system for a medical device, ensuring compliance with industry standards and regulations.
- Created a custom PCB for a wearable fitness tracker, optimizing space utilization and improving overall product reliability.
I am always open to new and exciting projects that allow me to push the boundaries of embedded electronics. If you have an idea or a project that requires the expertise of a seasoned Embedded Electronics Engineer, let's connect! I am eager to discuss how I can contribute to the success of your venture.
PCB Design
Altium Designer
KiCad
Eagle
STM32
ESP32
Raspberry Pi
nRF52
Embedded C
EasyEDA
PLC Programming
Electronics
Embedded System
Firmware Programming
Electronic Circuit Design
Oleksandr N.
Kiev, Ukraine
$50/hr
5.0
31 jobs
I'm the founder of Sirin Software, a Florida-based R&D company with a development center in Kyiv, Ukraine.
My team and I, comprising more than 40 software developers, work with embedded systems, IoT products, and Web3 applications. We have extensive experience in hardware design and software development.
Core values:
Solution-Centric Approach: We focus on solving problems and contributing to product concepts—we're more than just coders.
Honesty: We never overpromise.
Client Satisfaction: Delivering 5-star client experiences is our top priority, as reflected in real client reviews.
Our main areas of expertise include:
Embedded Linux: Device Drivers, BSPs, Yocto, Buildroot, OpenWRT
Wired and Wireless Networking (WiFi, Bluetooth, ZigBee/Z-Wave, LoRaWAN, and more)
Bare-metal and RTOS-based firmware for ARM and RISC-V (STM32, ESP32, nRF52, etc.)
Cybersecurity: Network monitoring, intrusion detection
Web3: Ethereum and Solana blockchain solutions
Our hard skills (not limited to) include: C, C++, Python, Rust, Golang, JS/TS, Node.js, React.js, AWS, GCP, and MS Azure.
C
Embedded Linux
Embedded System
C++
iOS Development
OpenWrt
Node.js
Microsoft Azure
Bash Programming
Android App Development
Anton M.
Dnipro, Ukraine
$50/hr
5.0
7 jobs
✅ Senior Embedded Software Developer specializing in team leadership and IoT, medical, smart house, automotive, networking, cryptography, Linux devices and other embedded development fields. Expert in solving of engineering and coding problems and tasks as well as providing the highest quality solutions attractive for investments and market.
✔︎Able to analyze the project needs and critical things fast and clear due to 5+ years of experience of implementation firmware and hardware for cutting-edge products of high complexity. Ready to quickly jump into project on any stage and bring robust and stable solution.
I specialize in helping clients solve complex problems in the embedded systems development field. One of the latest projects I leaded and implemented for client company was able to reach 1M+ investments during the year.
I've worked a lot in such embedded devices domains:
- Medical
- IoT, smart home
- Embedded Linux
- Industrial
- Networking
- Audio/video systems
- Radio interfaces
Expert in implementation of high-precision algorithms for data processing, graphical data representation, audio systems, video systems, complex and simple sensors drivers for different MCUs, networking and providing ready to use software/firmware with accurate and reliable data. Effective in development of architecture, well structured documentation and estimations, working and communication with clients team and as a solo developer.
Technologies and expertise:
- system architecture development and description
- C/C++/Python/Bash/Lua
- STM32, ESP32, nRF, MSP430, Arduino, Raspberry, NXP, i.MX and other MCUs and SoCs
- Graphical User Interfaces (Qt, LVGL, TouchGFX)
- Linux kernel based devises (Kernel and User Space side)
- ML integration into embedded devices
- security coding
- cryptography and VPN solutions
- Networking and Telecom devices
- USB, UART, Wi-Fi, LoRa, MQTT, I2C, SPI, I2S, MIPI, ZigBee, BLE
- Sound/video software and drivers development
- Android AOSP configuration and bring up
- Team leading, consulting
- oriented to the clients needs
Embedded Linux
C
Cross Functional Team Leadership
C++
Firmware
Firmware Programming
Bash
Kernel
ESP32
STM32
Embedded C
Microcontroller Programming
Automotive
Raspberry Pi
Arduino
Vova S.
Lviv, Ukraine
$54/hr
4.8
70 jobs
✔ IoT Solution Leader | Leading a team of 220+ engineers
✔ 11+ Years in connected products | End-to-end IoT development
✔ Hardware + Firmware + Cloud Expertise
Drop me a message with “DISCOVERY” - we’ll run a free discovery session and turn your idea into a clear architecture, timeline, and execution roadmap while avoiding costly mistakes early on.
I lead a 220+ engineer team specializing in end-to-end IoT development – from early discovery and architecture to prototyping, production preparation, and long-term product evolution.
Over the last 11+ years, I’ve been involved in building connected solutions that combine embedded systems, electronics, firmware, cloud platforms, and user apps (web, mobile, desktop).
My role is focused on bridging business goals with engineering reality: helping teams validate ideas, select the right architecture, reduce technical risks, and build products that can successfully move from prototype to production.
Core expertise:
• IoT system architecture
Designing complete connected ecosystems: devices, communication layers, cloud infrastructure, data flows, APIs, and user applications.
• Embedded systems & firmware
MCU/MPU-based development, RTOS, embedded Linux, device drivers, hardware communication protocols, low-power optimization, OTA updates.
• Hardware development & prototyping
Electronics design, schematics, PCB development, hardware bring-up, testing, validation, and preparation for mass production.
• Connectivity & communication
BLE, Wi-Fi, LoRaWAN, LTE/cellular, MQTT, sensor integration, and reliable device-to-cloud communication.
• IoT cloud platforms
AWS IoT, device management, telemetry pipelines, real-time monitoring, analytics, and scalable backend architectures.
• Connected applications
Web dashboards, mobile apps, desktop applications, admin portals, device management platforms, and third-party integrations.
Typical IoT products I work with:
• Industrial IoT & Industry 4.0
Connected machinery, predictive maintenance, industrial automation, sensor networks, and remote monitoring.
• Smart Home & Building Automation
Connected devices, automation platforms, energy management, and intelligent control systems.
• Healthcare & Wearables
Connected medical devices, monitoring solutions, wearable ecosystems, and compliance-focused development.
• Energy & Infrastructure
Smart metering, energy monitoring, telemetry systems, and remote control solutions.
• Location-based products
GPS tracking, asset tracking, fleet monitoring, and safety-focused connected devices.
• Robotics & Drones
UAV/UGV/UAS platforms, telemetry, control systems, and autonomous solutions.
Selected project experience:
• GPS tracking ecosystem
Built a connected solution combining hardware devices, firmware, cloud infrastructure, mobile applications, and management dashboards for real-time tracking and alerts.
• Wearable safety platform
Developed an IoT wearable ecosystem with embedded software, wireless connectivity, cloud services, and user-facing applications.
• Industrial monitoring solution
Created a sensor-based platform for collecting operational data, processing telemetry, and providing actionable insights through dashboards.
Why clients work with me:
• Strong industrial and commercial product development experience
I work with complex products where reliability, scalability, security, and real-world constraints matter.
• Ability to handle both hardware and software challenges
IoT success depends on how all system components work together - not isolated development tasks.
• Clear communication and structured development process
Transparent milestones, technical documentation, predictable execution, and clear ownership at every stage.
• Focus on practical solutions
I help teams avoid unnecessary complexity and choose architectures that fit actual product goals.
• Long-term support mindset
Project scope for reference:
Phase 01 – Definition & Architecture: $15k–$25k
Discovery, requirements analysis, system architecture, technology selection, and roadmap creation.
Phase 02 – Prototype & Validation: $35k–$120k
Hardware prototypes, firmware, cloud infrastructure, applications, testing, and product validation.
Phase 03 – Production Readiness: $60k–$250k+
Production optimization, manufacturing support, certification preparation, scalability improvements, and deployment.
My approach:
I don’t start with coding. I start by understanding the product vision, business goals, technical constraints, and future scaling requirements.
The goal is to create IoT systems that work reliably in real-world conditions, avoid expensive redesigns, and provide a strong foundation for future growth.
If you’re building a connected product involving hardware, firmware, cloud, or device management - feel free to share your idea. I'm ready to help evaluate the technical approach and identify the most practical path forward.
Worth a chat?
Internet of Things
Internet of Things Solutions Design
Embedded System
PCB Design
ESP32
Python
Firmware Programming
Arduino
Raspberry Pi
Node.js
JavaScript
C++
Embedded C
React
PHP
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