Freelancers for hire in Ukraine - Page 8
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Sponsored Freelancers
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Software developer with 15 years of commercial experience. My works: - Designed and developed a payment system (frontend (HTML, CSS, Javascript), backend (PHP), DB Administration (Postgresql), Linux servers’ administration) and supported it during the last 15 years. - Developed trading terminals software (payment...Software developer with 15 years of commercial experience. My works: - Designed and developed a payment system (frontend (HTML, CSS, Javascript), backend (PHP), DB Administration (Postgresql), Linux servers’ administration) and supported it during the last 15 years. - Developed trading terminals software (payment kiosks (C#) - Developed Android application (Java)) for the above-mentioned system and was supporting this software for about 10 years so far. Skills: - Python, PHP, C#, Java, SQL - Pandas, Scikit-learn, Matplotlib, Seaborn, numpy, TensorFlow, Pytorch, LangChain, transformers, bitsandbytes - Feature Engineering, Data Cleaning, Time Series, Pipeline, Data encoding, Cross Validation, Data Leakage, k-means clustering, Permutation Importance, SHAP, ML explainability, Geospatial Analysis, fuzzywuzzy, CalendarFourier, DeterministicProcess, Quantization, Tokenization - NLP, CV, DeepLearning - MySQL, PostgreSQL, BigQuery - Linux, Docker My Hobby projects: o Designed and assembled 3D printer from scratch o 3D mouse for gaming (Python + Arduino) o Bolts and nuts sorter ( Computer Vision ) o CO2 recycler - human life support system less
Hire impec
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I have been working as a software developer for 10+ years. Listed below are my experience and skills: ✓ Symfony (Doctrine, Messenger, Twig, API Platform etc) - 6+ years ✓ Laravel (Eloquent, Sanctum, Blade, Breeze etc) - 6+ years ✓ Spring Boot - 1+ years ✓ Kotlin - 1+ years ✓ DB – MySql, PostgreSQL ✓ JS - Inertia,...I have been working as a software developer for 10+ years. Listed below are my experience and skills: ✓ Symfony (Doctrine, Messenger, Twig, API Platform etc) - 6+ years ✓ Laravel (Eloquent, Sanctum, Blade, Breeze etc) - 6+ years ✓ Spring Boot - 1+ years ✓ Kotlin - 1+ years ✓ DB – MySql, PostgreSQL ✓ JS - Inertia, Vue, React, jQuery, Ajax, JSON ✓ VCS – Git, Bitbucket, GitHub ✓ Package managers – composer, npm, yarn ✓ Third-party services integration – Google, Facebook, Twilio etc Look forward to working with you! less
Hire valerykrukov81
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With exceptional brain power, lightning-quick tact, passion, and extensive knowledge of full-stack development, always satisfy my customers.With exceptional brain power, lightning-quick tact, passion, and extensive knowledge of full-stack development, always satisfy my customers. less
Hire nataliia6
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sys admin, dashboards, networks, web programming, forensic, databases, full stack programming, php/pythonsys admin, dashboards, networks, web programming, forensic, databases, full stack programming, php/python less
Hire kirushko
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More than 15 years of experience QA Automation, Web Scraping, API Scraping ChatGPT, LangChain, LLMs CI/CD creation/optimization Linux and Docker Databases, Data TransformationMore than 15 years of experience QA Automation, Web Scraping, API Scraping ChatGPT, LangChain, LLMs CI/CD creation/optimization Linux and Docker Databases, Data Transformation less
Hire alexImorgun
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Welcome to my profile! I am a senior software engineer with over 8 years of experience in delivering cutting-edge solutions and driving technology advancements in Finance, Healthcare and Ecommerce. My passion for technology is matched by my commitment to delivering high-quality and scalable software solutions. My...Welcome to my profile! I am a senior software engineer with over 8 years of experience in delivering cutting-edge solutions and driving technology advancements in Finance, Healthcare and Ecommerce. My passion for technology is matched by my commitment to delivering high-quality and scalable software solutions. My skills: 1️⃣ Frontend Development ✅ Languages and Frameworks: ?HTML5 ?CSS3 ?Javascript ?Typescript ?Bootstrap ?Tailwind CSS ?React ?Angular ?Vue.js ?Next.js ?Gatsby ✅Design Integration: Skilled in transforming UI/UX designs into functional user interfaces using Adobe XD, Figma, PSD, or Sketch. 2️⃣ Backend Development ✅ Languages ?PHP ?Python ?Java ?Node.js ?Ruby ?C# ✅ Frameworks and Tools ?Laravel ?Symfony ?Codeigniter ?Django ?Flask ?Ruby on Rails ?Spring Boot ?ASP.NET Core 3️⃣ CMS ✅ WordPress ✅ Webflow ✅ Wix ✅ Shopify ✅ Magento 4️⃣ Mobile Development ✅ Flutter ✅ React Native ✅ Kotlin ✅ Swift ✅ Android Studio ✅ XCode ✅ AppCode ✅ Firebase 5️⃣ Development Tools and Technologies, Databases ✅ Docker ✅ Kubernetes ✅ GraphQL ✅ REST ✅ Git ✅ MySQL, MongoDB, PostgreSQL ✅ Elasticsearch ✅ OAuth, JWT 6️⃣ API Integrations ✅ Payment Gateways (Paypal, Stripe, Square) ✅ Social Media APIs ( Facebook Graph API, Twitter API, Instagram Basic Display API) ✅ Communication API (Twilio, Mailchimp) ✅ Cloud Storage Service (Amazon S3, Google cloud storage) ✅ CDN (Cloudflare, AWS CloudFront) My approach combines deep industry knowledge with a keen eye for innovation, ensuring that I deliver solutions that not only meet but exceed client expectations. Let's bring your vision to life! Contact me today on Upwork to discuss how we can achieve outstanding results together on your next technology project. Thanks for considering my profile less
Hire kursv526
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chornyiartur0451 chornyiartur0451
$25 USD / hourSoftware Engineer - Web & Mobile | Blockchain | AI# Make your idea real: we- Web & Mobile App | Blockchain | ERP | AI! # Generating $566,000 in profit for an e-commerce project in the competitive US market with a unique idea and high performance is a remarkable achievement. # Using Flutter and React Native, we had to develop tens of mobile apps and publish them on...# Make your idea real: we- Web & Mobile App | Blockchain | ERP | AI! # Generating $566,000 in profit for an e-commerce project in the competitive US market with a unique idea and high performance is a remarkable achievement. # Using Flutter and React Native, we had to develop tens of mobile apps and publish them on Google Play Store and Apple Appstore ? Make your idea real: web and mobile apps; blockchain; ERP; AI! # Generating $566,000 in profit for an e-commerce project in the competitive US market with a unique idea and high performance is a remarkable achievement. # Developed a B2B admin panel for permit management organizations so they can manage orders more efficiently, analyze agreements and projects without bias by using violin charts (d3.js)) and so on. The landing page was built with WordPress, so clients can rearrange contents easily. The admin panel, on top of the Fuse theme, which is based on Google Material Design, has many complicated features and functionalities and complex graphs and metrics. # I designed and developed a distributed solution for a ticket management service using React.js and the Java Spring framework. Developed an Android/iOS application available on the Play Store and App Store. Published desktop applications that can be run on different platforms and published them to the Microsoft App Store. # Over 6 years of experience in software engineering. ## 2+ millon earning app developed. ?I worked with 50+ clients. ?I am an official partner of both Meta and Google. All my achievements are based on a deep understanding of software development, a passion for cutting-edge technologies, and the ability to scale results in the long term. # If I'm confident that I can make your idea come true,. I'll propose a clear plan on how to achieve it. Even if we don't start working together, this could be beneficial for you. Here's what I offer to my clients for long-term partnership and collaboration: - A systematic approach to work. I am exclusively results-oriented. - Professional communication and availability almost 24/7. - Deep understanding and wide experience of various kinds of frameworks. - Proficient data analytics (tracking, measurement, interpretation, and strategic adjustments). - Setting up Conversion Side API, Pixel, GA4, and Google Tag Manager. - Rich experience of team and project management strategies. - Development of SEO, marketing models and communication strategies. - Amplifying your advertising campaigns. - Developing professional analytics dashboards in Google Data Studio. Client Niches Served: ◻️ eCommerce Stores (Shopify, WooCommerce, OpenCart, WordPress) ◻️ EdTech ◻️ LeadGen ◻️ B2B/B2C ◻️ SaaS/Soft ◻️ Apps ◻️ Crypto My skills include: * Web Development * Mobile Development * Blockchain Engineering * AI Engineering # So, let's have a conversation and explore how we can accelerate the growth of your business together!. less
Hire chornyiartur0451
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mykhailoananiev5 mykhailoananiev5
$30 USD / hourSoftwar Engineer | Trading | Automation | AI/MLLet's collaborate on this exciting journey with me! As a seasoned Software Developer with expertise in Real-time Data Streaming, Trading Integration, AI Integration, and Chatbot Development, I bring a wealth of experience in architecting robust solutions. My proficiency lies in leveraging cutting-edge technologies to...Let's collaborate on this exciting journey with me! As a seasoned Software Developer with expertise in Real-time Data Streaming, Trading Integration, AI Integration, and Chatbot Development, I bring a wealth of experience in architecting robust solutions. My proficiency lies in leveraging cutting-edge technologies to create dynamic applications. ☑️Why Choose Me☑️: ✔️ **Unity Development**: Skilled in Unity development, various high-quality and immersive applications. ✔️**Real-time Data Streaming**: Extensive background in implementing powerful real-time data streaming capabilities. ✔️**Trading Integration**: Proven track record in seamlessly integrating trading functionalities. ✔️ **AI Integration**: Expertise in incorporating artificial intelligence into applications. ✔️**Chatbot Integration**: Proficient in leveraging conversational interfaces to seamlessly integrate chatbots. Clients who choose me can expect to minimize costs while maximizing value. I am at the cusp of something amazing and challenging, so let's team up today and make this fun journey count! less
Hire mykhailoananiev5
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Experienced embedded system engineer with a passion for bringing products to life. With more than 15 years of experience in the industry, has a proven track record in firmware development, hardware integration, and product launches. Driven by a desire to solve problems and create value for customers. ☑️...Experienced embedded system engineer with a passion for bringing products to life. With more than 15 years of experience in the industry, has a proven track record in firmware development, hardware integration, and product launches. Driven by a desire to solve problems and create value for customers. ☑️ language Assembly, C Programming, C++, Python, Shell script, Makefile ☑️ System Programming Real-time Operaing systems, Embedded Linux, Linux device driver, Windows device driver ☑️ High level programming Win32, Linux user space, Android NDK, Qt, MFC ☑️ Firmware Programming PIC microcontroller, ATMEL, ATMEGA, STM32, Nordic, ESP32, Arduino, Raspberry PI ☑️ Embedded Communication protocol I2C, Serial Peripheral Interface(SPI), UART, USB, GPIO, Controller Area Network(CAN), Recommended Standard 232(RS232), one-wire, Recommend Standard 485(RS485), Bluetooth ☑️ Hardware design Circuit design, schematic design, PCB design, Multi-layer PCB design, Electronic design, Altium designer ☑️ Debugging JTAG, GDB, Print ☑️ Reversing IDA, OllyDbg, 2-layer PCB reversing ☑️ Security Executable file behavior analyzing, Executable file static analyzing Website security analyzing, Troubleshoot PC security level less
Hire AlexandrGergel
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With of experience in web development, I specialize in full-stack web applications, with a strong focus on front-end development using React, Angular, Vue.js, and Node.js. I am proficient in back-end technologies such as PHP and Django, and I have expertise in deploying to server and serverless environments on AWS,...With of experience in web development, I specialize in full-stack web applications, with a strong focus on front-end development using React, Angular, Vue.js, and Node.js. I am proficient in back-end technologies such as PHP and Django, and I have expertise in deploying to server and serverless environments on AWS, Azure, and GCP. In addition, I have expertise in distributed systems and Web3 technologies. I have launched multiple EVM contracts, assisted with over 10 blockchain patent applications, and created an NFT. I have also delivered MVPs, ensuring the highest possible quality. My experience and expertise enable me to provide the best possible solutions for your web development needs, whether you're building a new application or enhancing an existing one. less
Hire OlehKovalchu