Hello, everyone! My name is Sergey, and I have worked in the production of commercial electronics for many years.
What I do best:
๐ Embedded Systems Expertise:
โ Low-level programming (C/C++), Python
โ Skilled in real-time systems (FREERTOS) and OTA updates
โ Expertise in communication protocols: I2C, SPI, UART, RS485, CAN, USB, Ethernet, MODBUS
โ Expertise in peripheral integration: sensors, displays, motor drivers, EEPROMs
โ Wireless IoT: WiFi, BLE, LoRa, FSK, 4G modules
โ Hardware debugging with tools like JTAG, oscilloscopes, and logic analyzers
โ PCB Design & Layout
โ Electrical Engineering
๐ Power Optimization:
โ Low Power Design: Achieved <15ยตA sleep current in battery-powered IoT devices
๐ Tools & Technologies:
โ IDEs: STM32CubeIDE, VSCode+Platformio, ESP-IDF, Arduino IDE
โ Platforms: STM32, ESP32, Raspberry Pi
โ Web/Mobile: Flutter, Node-Red
โ Version Control: Git, GitHub
โ Protocols: TCP/IP, MQTT, MODBUS
๐ฌ Letโs discuss how I can accelerate your embedded project
ESP32
Raspberry Pi
STM32
Embedded System
Serial Port Interfacing
Python
C
Ionic Framework
Linux
FreeRTOS
PCB Design
Analog Electronics
Digital Electronics
Arduino Firmware
Microcontroller Programming
Aleksei S.
Yerevan, Armenia
$40/hr
4.6
80 jobs
I was working in many projects. Some things which I was programming - Messengers, Trading Bots, Notepads, IDE, Design Software, Mods to Games, Automatization of Oil Company (modbus, opc, etc...) and many others. I am open to new and ready to join your startup!
My key skills:
Strong c++:
- multi-threading,
- networking,
- boost
Key Qt skills:
- QML,
- QSS,
- Qt WebEngine,
- Qt Installer Framework
Databases:
- MySQL,
- Postgres,
- SQLite
Linux/Unix:
- system programming,
- bash scripting
Strong lua:
- work with nginx,
- dynamic libraries
Skills in mathematics:
- numerical methods,
- higher mathematics
C++
C
Microsoft Visual C++
SQLite
Application Installer
CMake
Qt Framework
RESTful Architecture
PyQt
Multithreaded Programming
API
Desktop Application
Windows App Development
Aleksandr S.
Tsaghkadzor, Armenia
$120/hr
5.0
66 jobs
I build high-performance C++ systems - network servers handling thousands of concurrent connections, security solutions processing millions of events, trading platforms with 5ฮผs latency. 19 years of
experience, $1M+ earned on Upwork, 100% Job Success.
๐ฆ๐๐๐๐ฒ๐บ๐ & ๐ก๐ฒ๐๐๐ผ๐ฟ๐ธ ๐ฃ๐ฟ๐ผ๐ด๐ฟ๐ฎ๐บ๐บ๐ถ๐ป๐ด
Client-server applications, proxy servers, high-throughput data processing. I write cross-platform code that runs identically on Windows, Linux, and Unix.
๐๐๐ฏ๐ฒ๐ฟ๐๐ฒ๐ฐ๐๐ฟ๐ถ๐๐ ๐ฆ๐ผ๐น๐๐๐ถ๐ผ๐ป๐
Privileged Access Management systems, anti-phishing email gateways, encryption and cryptography. I work extensively with OpenSSL, Botan, Crypto++, and Bouncy Castle.
๐ฅ๐ฒ๐๐ฒ๐ฟ๐๐ฒ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด
Binary analysis, protocol reverse engineering, and software internals research using IDA, Ghidra, and Frida.
๐๐ถ๐ด๐ต-๐๐ฟ๐ฒ๐พ๐๐ฒ๐ป๐ฐ๐ ๐ง๐ฟ๐ฎ๐ฑ๐ถ๐ป๐ด
I designed and built an HKEX-certified trading system achieving 5ฮผs round-trip latency between receiving market data, decision-making, and sending orders. Market data processing, order management, web API
design.
๐ช๐ต๐ฎ๐ ๐ ๐๐ฟ๐ถ๐ป๐ด ๐๐ผ ๐ฌ๐ผ๐๐ฟ ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐
โธ Modern C++23, multithreading, networking, performance optimization
โธ Ability to build from scratch or take over and evolve complex existing codebases
โธ AI-augmented development - I use tools like Claude Code to accelerate routine implementation while maintaining full architectural control and code quality
Feel free to message me - I typically respond within a few hours and I'm happy to discuss your project before you commit.
C++
Linux
C
Microsoft Visual C++
Software Architecture & Design
Reverse Engineering
Cryptography
Software Debugging
Performance Optimization
System Programming
Multithreaded Programming
TCP/IP
Windows API Development
Boost
POSIX
Socket Programming
CMake
SSL
Asio C++ Library
AI Development
Samvel A.
Yerevan, Armenia
$20/hr
4.7
1 jobs
Passionate Unity Developer | C#
I'm a dedicated Unity developer with a profound understanding of C#. With over five years of experience in Unity development, I've been crafting immersive experiences and bringing ideas to life since 2018.
Currently, Iโm working as a Unity Developer in a mobile games development company, where Iโve been contributing for more than two years. During this time, Iโve gained invaluable experience working in teams and delivering successful projects. Now, Iโm excited to start my freelance career and offer my skills to bring your ideas to life.
My expertise includes:
* Developing stunning 2D games that stand out and feel alive.
* Creating engaging gameplay mechanics and ensuring polished user experiences.
* Collaborating effectively within teams to deliver high-quality projects on time.
* Making structured and readable code and a workable build.
Letโs work together to make your vision a reality!
C#
Unity
Game
Video Game
2D Illustration
Game Development
WebRTC
Websockets
AR & VR
ARKit
ARCore
David M.
Gyumri, Armenia
$32/hr
4.9
34 jobs
Highly experienced software developer and cloud professional with over a decade of expertise in the .NET ecosystem and
Microsoft Azure platform. Proficient in leveraging a wide variety of first-party Microsoft services and C# as the primary
programming language to design, develop, and maintain scalable, secure, and high-performance applications. Adept at
implementing enterprise-level solutions, optimizing cloud architectures, and driving projects from concept to deployment.
I've leveraged Microsoft Azure,Google Cloud Platform, C# and .NET ecosystem with other tools to create secure, highly scalable and resilient systems for different types of companies over a decade.
C#
MongoDB
ASP.NET
Windows Presentation Foundation
Windows Communication Foundation
.NET Framework
MySQL
Microsoft SQL Server
Transact-SQL
Node.js
Windows Forms
Windows Mobile
Hayk P.
Yerevan, Armenia
$30/hr
5.0
1 jobs
You do not need another AI demo that works only in perfect conditions.
You need an AI system that saves time, reduces manual work, and keeps working when real customers, messy data, documents, images, APIs, and business rules are involved.
That is where I help - turning AI ideas into practical tools that work in real business, not just in a notebook.
I help startups, product teams, and growing businesses design, build, and improve computer vision and machine learning solutions that are ready for real use.
๐ 8+ years of experience
๐ค 150+ completed AI and machine learning models
๐ป 250+ additional programming projects delivered
This means I bring both strong AI expertise and practical software engineering experience to every project.
Whether your project involves extracting data from documents, detecting objects in images and video, automating visual inspection, improving image quality, or building a custom AI workflow, I focus on solving the actual business problem behind the task.
โ What I can help with
โข OCR and document understanding
โข Object detection, tracking, and segmentation
โข Image classification and visual search
โข Image processing and data preprocessing pipelines
โข Dataset preparation, annotation strategy, and model improvement
โข AI model APIs, backend integration, and deployment
โข Production-ready machine learning solutions for real business use
๐กMy approach
โข I start by understanding your goal, constraints, and success criteria.
โข Then I choose the right technical direction without overengineering the solution.
โข Finally, I build with deployment, speed, and maintainability in mind.
I also communicate clearly throughout the project, so you always know the progress and next steps.
๐ Core technical strength
My technical background combines machine learning, deep learning, neural networks, computer vision, and image processing with the engineering skills needed to build production-ready AI products. I work as an AI Engineer and can support LLM Engineer, GenAI, and RAG Developer projects, especially when they require strong Python development, backend integration, model deployment, and scalable infrastructure.
My stack includes Python, NumPy, Pandas, Matplotlib, Seaborn, Scikit-Learn, TensorFlow, Keras, PyTorch, OpenCV, Django, Django REST Framework, FastAPI, Flask, SQL, Docker, Docker Compose, Kubernetes, AWS, GCP, Linux, Git, GitHub Actions, and CI/CD pipelines.
This allows me to help clients not only with model development, but also with turning AI ideas into stable, practical, and business-ready solutions.
๐ What you can expect
โข Clear communication
โข Strong attention to detail
โข Clean and reliable implementation
โข Practical solutions instead of unnecessary complexity
โข A focus on real-world results
If you are looking for an ML / AI Engineer who can turn an idea into a stable, useful, production-ready solution, I would be glad to help.
Machine Learning
Artificial Intelligence
Computer Vision
Deep Learning
Python
OpenCV
TensorFlow
PyTorch
Python Scikit-Learn
Keras
Data Science
Predictive Modeling
NumPy
pandas
FastAPI
Docker
GitHub
SciPy
Matplotlib
Flask
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