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✅ Available for FULL TIME Work ✅ Expert in Mobile & 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐀𝐩𝐩 Development
✅ 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐌𝐨𝐛𝐢𝐥𝐞 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬, 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 & 𝐋𝐋𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬
✅ Android • iOS • Flutter • Kotlin
👀 Click Hire or Invite Senior Android Developer & Mobile Architect
👉 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐆𝐄𝐓
✔️ Senior Android Developer - 15+ years of experience, 2,000+ jobs completed on Upwork, 100% project success, scalable architecture deployment, and extreme client impact.
✔️ Android Developer Kotlin Specialist - modern modular builds, Jetpack Compose expertise, and production-ready engineering standards.
✔️ Mobile Developer & App Developer iOS Android Systems - faster release cycles, cross-platform collaboration, and defensive coding setups for startup MVP and enterprise environments.
👉 𝐀𝐈-𝐍𝐀𝐓𝐈𝐕𝐄 𝐌𝐎𝐁𝐈𝐋𝐄 𝐄𝐍𝐆𝐈𝐍𝐄𝐄𝐑𝐈𝐍𝐆 𝐄𝐗𝐏𝐄𝐑𝐓
✔️ Strategic 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & Prototyping - leveraging AI-native workflows, agentic coding systems, and autonomous 𝐀𝐈 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 practices to accelerate delivery.
✔️ Multi-Agent Workflow Orchestration - implementing prompt engineering, spec-driven development, and human-in-the-loop 𝐀𝐈 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠.
✔️ 𝐀𝐈-𝐀𝐬𝐬𝐢𝐬𝐭𝐞𝐝 Testing & DevOps - utilizing AI-assisted debugging, AI-powered refactoring, screenshot-driven UI iteration, and AI-enhanced CI/CD automation with Docker and Kubernetes.
👉 𝐀𝐂𝐇𝐈𝐄𝐕𝐄𝐌𝐄𝐍𝐓𝐒
✔️ 15+ years, 25,000+ hours, hundreds of applications delivered as a leading Android developer, mobile software engineer, and Android game developer across global markets.
✔️ 2,000+ contracts successfully executed on Upwork through native Android app development, SDK research, and legacy app modernization projects.
✔️ 100,000+ active users supported on high-load production environments using RxJava, Dependency Injection, and real-time streaming workflows.
✔️ 10,000+ active device configurations managed within distributed architectures, utility applications, and BLE sync modules through Android Kotlin refactoring.
✔️ High-converting customer flows across enterprise mobile solutions, fintech portals, and marketplace applications.
✔️ Faster background processing and improved efficiency through API integrations, JNI integration structures, and memory-leak profiling.
✔️ Shorter startup MVP timelines and fewer post-launch defects through Android Java to Kotlin migration and Google Play submission expertise.
👉 𝐖𝐇𝐄𝐑𝐄 𝐈 𝐃𝐄𝐋𝐈𝐕𝐄𝐑
✔️ As an Android developer Kotlin expert - building reactive systems from scratch using Kotlin, Jetpack Compose, Android Jetpack, and modern architecture components.
✔️ As an experienced Android Java engineer - handling legacy support, backend API integrations, structural refactoring, and app modernization initiatives.
✔️ As a cross-functional mobile developer - driving end-to-end product development while collaborating with iOS developers, Flutter developers, and backend engineering teams.
✔️ As a native application architect - deploying MVVM, MVP, and Clean Architecture optimized for modern Google Play requirements.
✔️ As a long-term developer - providing ongoing testing and maintenance, feature additions, BLE and sensors integration, deep debugging, and backend support.
👉 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐈𝐌𝐏𝐀𝐂𝐓
✔️ Real-Time Streaming & Utilities - media playback engines, real-time chat synchronization, background processing, and BLE communication.
✔️ Enterprise & Business Apps - secure offline-first structures, local synchronization, encrypted authentication, and performance optimization.
✔️ Android Game Development - rendering optimization, frame-rate scaling, interactive animations, and modular gaming logic.
👉 𝐇𝐎𝐖 𝐈 𝐁𝐔𝐈𝐋𝐃
✔️ Production-Ready Coding Standards: prioritizing robust Android architectures, responsive UI, API documentation, and clean developer handoff.
✔️ Agile Development & Scrum Frameworks: technical leadership, rapid feedback loops, and fast prototyping to capture market opportunities.
Looking for a reliable Senior Android Developer, Android Developer Kotlin Expert, or an experienced Mobile Developer who can build a native application from scratch, optimize legacy architectures, or orchestrate AI app integrations for long-term collaboration?
☎️ Let's connect! Send an invite and let's discuss your mobile application goals.
Associated with
Onix-Systems, LLC
$30M+
earned
$37/hr
100%
Job Success
$300K+ earned
Offers consultations
Start of list.
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Hi there! 👋
I represent the Onix team - experienced professionals in developing innovative and profitable apps at any level of difficulty. 🚀
I can help you with your digital app creation because I care about clients achieving their business objectives.
The Onix team can develop modern and demanded IT products using a variety of programming languages, platforms, and frameworks, including:
Developers and designers of the Onix Team are able to suggest high-quality services in web development and design using such technologies:
📌 Vue.js
📌 PHP (Laravel, Cake PHP, Symphony)
📌Objective-C
📌 Swift
📌 Ruby
📌 UX/UI Design (wireframes; prototypes; icon, logo, and theme design)
Your idea for app creation of any level of difficulty and any scale our team is able to develop and achieve your goals in the digital world.
I am open to consulting you on the project approaches, the developing stages, and cooperation conditions and answering any questions about our team and the services we provide.
Looking forward to hearing you! 😉
$40/hr
100%
Job Success
$30K+ earned
Start of list.
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🚀 The top 3% of talent in Web and Mobile Design
✅ My goal is simple - your project should make you profit
❤️ With you every step of the way
👀 Click Hire or Invite Senior UI/UX Designer & Product Designer
👉 WHAT YOU GET
✔️ Senior UI/UX Designer - 14+ years experience, high-converting B2B SaaS platforms, extreme client impact, end-to-end design ownership.
✔️ Figma Designer & Figma Expert - 1,000+ interfaces delivered worldwide, 18–27% conversion rate optimization (CRO) lift, ultimate pixel-perfect layouts, and structural trust.
✔️ Mobile App Designer & Web Designer - 30–40% faster developer handoff cycles, cleaner modern UI, stronger user retention across complex dashboard ui systems.
👉 ACHIEVEMENTS
✔️ 14+ years, 25,000+ hours, 1,000+ projects completed as a leading user experience designer, user interface designer, and product designer across SaaS platform design and startup MVP environments.
✔️ $200K+ in total earnings with massive direct business revenue generated through comprehensive web design, mobile app design, and high-fidelity design execution.
✔️ Award-Winning Agency Expertise - continuous leadership at Onix, an award-winning UX/UI design company in Ukraine (2024), recognized among Top Outsourcing Software Development Companies by DesignRush.
✔️ 100,000+ active users supported on complex dashboard design frameworks where targeted user experience design lifted app engagement metrics by 27%.
✔️ 10,000+ patients and doctors served in healthcare app design and medical-compliant portals where interactive prototype testing cut workflow friction by 40%.
✔️ 2,423 completed e-commerce orders, 34% faster data handling inside automated admin panel design, B2B SaaS portals, and marketplace design systems.
✔️ 90% faster product discovery cycles, 80% lower usability drop-offs, 65% fewer engineering layout revisions through design system scaling, UI kit curation, and developer handoff documentation.
✔️ 5–8 weeks shorter startup application launch timelines, 35% fewer design-to-code bugs through Figma to development asset organization and rigorous design QA.
👉 WHERE I DELIVER
✔️ As a SaaS UI/UX designer - 500+ dashboards, responsive tables, charts, and data-heavy visual frameworks optimized for dashboard UI, CRM design, and ERP design.
✔️ As a Figma designer - advanced interactive prototype assets, clickable prototype builds, low-fidelity wireframes, high-fidelity design components, design tokens, and a reusable component library.
✔️ As a mobile app designer - responsive layouts across mobile UI design, iOS app design, Android app design, and cross-platform app design following a mobile-first design philosophy.
✔️ As a product UX designer & AI product design expert - implementing user research, customer journey map nodes, information architecture blueprints, and UX strategy for complex tech products.
✔️ As a website designer - high-performance landing page design, marketing website design, and multi-tier corporate website assets built to scale conversion rates.
✔️ As a UI/UX audit expert - driving end-to-end website redesign, app redesign, website revamp, UI improvement, and usability testing to eliminate user friction.
✔️ As a long-term designer - delivering continuous design enhancement, wireframing iteration, and design documentation as a dedicated product design partner.
👉 AI-POWERED DESIGN EXPERT
✔️ AI SaaS Design & AI App Design - optimizing user flows through advanced AI product design, chatgpt integration visuals, and personalized AI chatbot interface modules.
✔️ AI-assisted UX/UI workflows - leveraging Claude, ChatGPT, and AI-assisted Figma workflows to accelerate product discovery, user research, and wireframes creation.
✔️ AI-driven design exploration - utilizing generative AI for rapid prototyping exploration, moodboards generation, and AI-enhanced SaaS wireframing.
✔️ AI-assisted usability optimization - running automated heatmaps and content structuring to achieve top-tier visual design rankings before developer deployment.
👉 INDUSTRY IMPACT
✔️ Fintech Design & Dashboards - secure trading interfaces, visual money tracking charts, wallet layouts, and complex data-driven analytics portals.
✔️ Healthcare App Design & MedTech - clear patien
🔑 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬 𝐭𝐨 𝐟𝐢𝐧𝐝 𝐦𝐞:
UI UX Design, Design, UX/UI, UX, UI, User Interface Design, Landing Page Design, Web & Mobile Design, Responsive Design, Graphics & UI Design, User Experience Design, UX Research, Website, Wireframing, Web design, Layout, Figma, Wireframes, Wireframe, MVP, e-commerce, Creative, Mockups, Redesign, Re-design, Interface, Usability, Mockups, Informational architect, b2b, b2c, Prototype, Prototyping, Landing, Corporate website, User interface, Visual design, User experience, Webpage, Modern, Design support, Audit, Finance, Beauty, Fashion, Fitness, Education, Real Estate, Sport, Marketing, Healthcare, Food, Travel, Law, SaaS, Branding, Graphics, Logo, Sketch, Figma, Photoshop, AI, InVision.
Associated with
Onix-Systems, LLC
$30M+
earned
$45/hr
100%
Job Success
$70K+ earned
Start of list.
End of list.
⚡ 2000+ jobs completed on Upwork ⚡
⚡ Top Rated Plus ⚡
⚡ 100% JSS ⚡
🚀 AI-Driven Python Developer | Machine Learning Engineer | Backend Architect | Full Stack Developer
Hi! 👋
Looking for a Python Developer who can build not just scripts or APIs, but scalable AI-powered products, backend systems, machine learning pipelines, AI agents, and production-ready platforms?
With 8+ years of experience in Python Development, Machine Learning, Backend Engineering, and AI-driven software architecture, I specialize in building scalable AI systems, intelligent backend platforms, automation workflows, SaaS products, and enterprise-grade applications powered by modern AI and cloud technologies.
As a Head of Python / ML Department, I lead AI-native engineering workflows and high-performing development teams focused on Machine Learning, AI automation, backend scalability, and full stack product development.
We actively use modern AI-enhanced development workflows and tools such as Cursor, Claude Code, GitHub Copilot, GPT-4o, Claude Sonnet, AI-assisted debugging systems, AI-powered automation, multi-agent workflows, AI orchestration systems, AI-enhanced CI/CD pipelines, and AI-native engineering practices to accelerate delivery, optimize architecture, improve code quality, and reduce development time.
📈 AI & Backend Experience
✔ AI-powered analytics platforms
✔ AI agent integrations & chatbot systems
✔ Predictive analytics & customer behavior analysis
✔ AI-assisted automation workflows
✔ AI-driven backend architecture
✔ Machine Learning pipelines processing large-scale datasets
✔ NLP & Computer Vision systems
✔ AI-enhanced SaaS platforms
✔ Enterprise-grade backend systems
✔ Production-ready Python backend infrastructure
✔ Real-time backend systems & scalable APIs
✔ AI orchestration & automation workflows
✔ Cloud-native AI systems & MLOps pipelines
🛠 Python / Backend / AI Expertise
✔ Python Development
✔ Python Backend Development
✔ Django Development
✔ Flask Development
✔ FastAPI Development
✔ AI-powered backend systems
✔ Full Stack Developer solutions
✔ Node.js & JavaScript backend collaboration
✔ PHP & React development collaboration
✔ REST APIs & GraphQL APIs
✔ PostgreSQL / MySQL / MongoDB
✔ Machine Learning & Deep Learning
✔ AI agents & AI chatbots
✔ AI-assisted backend workflows
✔ NLP, Computer Vision & Predictive Models
✔ Cloud infrastructure & scalable architecture
🤖 AI Engineering Stack
✔ OpenAI GPT-4 / GPT-4o
✔ Claude Sonnet / Claude Opus
✔ Cursor
✔ Claude Code
✔ GitHub Copilot
✔ AI-native engineering workflows
✔ AI-assisted development
✔ Agentic coding workflows
✔ Multi-agent AI systems
✔ AI-powered debugging & refactoring
✔ AI-enhanced CI/CD pipelines
✔ AI workflow orchestration
✔ AI automation systems
☁️ Cloud & Infrastructure
✔ AWS / Azure / Google Cloud
✔ Docker & Kubernetes
✔ CI/CD & DevOps automation
✔ Redis / RabbitMQ / Kafka
✔ Elasticsearch
✔ Firebase / Supabase
✔ Scalable cloud-native systems
✔ Production-grade backend deployment
🚀 What We Deliver
✔ Scalable Python backend systems
✔ AI-powered SaaS products
✔ Machine Learning & AI solutions
✔ AI agent integrations
✔ AI-enhanced applications
✔ Production-ready APIs & backend infrastructure
✔ Enterprise-grade backend architecture
✔ Full stack development solutions
✔ Cloud-native scalable platforms
✔ AI automation & intelligent workflows
🤝 Team & Collaboration
By the way, our team also includes experienced:
✔ Node.js Developers
✔ JavaScript Developers
✔ React Developers
✔ Vue Developers
✔ PHP Developers
✔ Java Developers
✔ Full Stack Developers
This allows us to provide full-cycle product development for startups, SaaS products, enterprise systems, AI platforms, and scalable cloud-native applications.
⭐ Why Work With Me
✔ 8+ years of Python Development & Machine Learning experience
✔ Strong AI integration & AI workflow orchestration expertise
✔ AI-driven engineering & automation-enhanced development
✔ Scalable architecture & production-ready systems
✔ Clean, maintainable, enterprise-level code quality
✔ Fast communication & long-term collaboration mindset
✔ Proven experience building AI-powered products & backend systems
🔑 Keywords to find me:
Python Developer | Python Backend Developer | Senior Python Developer | Django Developer | Django Backend Developer | Flask Developer | FastAPI Developer | Machine Learning Engineer | AI Developer | Artificial Intelligence Engineer | Backend Developer | Full Stack Developer | Python Full Stack Developer | Node.js Developer | Node.js Backend Developer | JavaScript Developer | React Developer | PHP Developer | PHP Backend Developer | Full Stack Developer Python | Full Stack Developer Node.js | AI-powered backend | AI agent development | AI chatbot development | AI automation | AI orchestration | AI-native engineering | AI-assisted development | GPT-4 | OpenAI | Claude AI | Cursor AI | GitHub Copilot | Machine Learning | Deep Learning | NLP | Natural Language Processing | Computer Vision | Predict
Associated with
Onix-Systems, LLC
$30M+
earned
$25/hr
100%
Job Success
$30K+ earned
Start of list.
End of list.
Legacy System Modernization | Enterprise Integration | Digital Transformation
With over a decade of hands-on experience in IBM i (AS400/iSeries) development, I specialize in building, modernizing, and integrating enterprise-grade applications across sectors such as finance, retail, manufacturing, and healthcare. I bring a rare blend of core IBM i expertise, modern web technologies, EDI integration skills and AI-assisted development, enabling seamless digital transformation while preserving business-critical operations.
Core Competencies-
IBM i Development: Expert in RPGLE (Free Format), SQLRPGLE, COBOL, CL, SYNON, ADELIA, and Visual LANSA
Web Development: Skilled in PHP for building modern web interfaces and services that interact with IBM i systems
Database : Deep knowledge of Db2 for i (DB2/400) and MS SQL, with specialization in query optimization and performance tuning
System Modernization & Migration: Proven track record of modernizing legacy RPG/COBOL/Mainframe systems and migrating critical workloads to hybrid environments with minimal disruption
EDI & Integration-
Standards: ANSI X12, VDA, Positional
Tools: IBM Sterling B2B Integrator, EDI Mapping, BPA
Connectivity: AS2, FTP/SFTP | VANs: OpenText, Liaison, GHX, SPS, TrueCommerce
Transactions: 850, 855, 856, 810, 820, 830, 834, 835, 837, 204, 210, 940, 945, 947, 844, 845 (and others)
AI‑Augmented Development-
Daily use of GitHub Copilot and Claude for RPG/PHP development, legacy code analysis, SQL optimization, documentation, test case generation, and modernization planning—driving faster delivery, cleaner code, and reduced risk with enterprise compliance.
What I Bring to the Table-
Strong grasp of IBM i architecture and how to securely integrate it with cloud, web, and third-party systems
Ability to analyze, refactor, and modernize legacy codebases for long-term maintainability
Experience delivering robust, scalable, and secure solutions for Fortune 500 enterprises
Let’s Connect
If you’re looking for an experienced professional who can modernize IBM i systems, streamline EDI operations, and accelerate delivery using AI‑assisted development, I’d be glad to discuss how I can support your next initiative.
Keywords-
#IBMi #AS400 #RPGLE #Synon #COBOL #DB2fori #LegacyModernization #DigitalTransformation #PHPWebIntegration #EDIMapping #EDIIntegration #SterlingIntegrator #VAN #AS2 #ERPIntegration #HybridArchitecture #MainframeMigration #EnterpriseIntegration #WebAndCloudBridge #EDITransactions #NetSuite #Prelude #P21 #WMS #TMS #SecureDataExchange #SQLRPGLE #CLProgramming #VisualLANSA #BusinessProcessAutomation #Fortune500 #iSeriesDeveloper #LegacyCodeRefactoring
Associated with
Programmers.io
$40/hr
100%
Job Success
$300K+ earned
Offers consultations
Start of list.
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Highly motivated and results-driven Project Manager over 7 years of experience successfully delivering projects across various industries.
Proven ability to lead and motivate teams, manage budgets and timelines, and ensure client satisfaction.
Expertise in Agile, Scrum, and Waterfall methodologies.
As a seasoned Project Manager with over 7 years of experience in IT and software development, I excel in leading cross-functional teams to deliver high-quality solutions on time and within budget.
I focus on aligning projects with client goals, ensuring seamless communication, and driving measurable results.
Let’s bring your vision to life.
ONIX offers development services using such technologies:
📌 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Python, Java, Ruby, PHP
📌 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: JavaScript, React, Angular, Vue.js,
📌 𝐌𝐨𝐛𝐢𝐥𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Swift, Objective-C, Kotlin, Java, Flutter, React Native
📌 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧: wireframes; prototypes; icon, logo, and theme design
📌 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: PostgreSQL, MongoDB, AWS DynamoDB, MariaDB
📌 𝐂𝐥𝐨𝐮𝐝 𝐬𝐭𝐨𝐫𝐚𝐠𝐞: AWS, Azure, GCP (Google Cloud Platform), Heroku, DigitalOcean
📌 𝐂𝐌𝐒: WordPress, Shopify, WooCommerce, Elementor, Webflow, Strapi, Moodle
📌 𝐕𝐑\𝐀𝐑: Unity, Oculus Integration, EasyAr, Maxst, Xzimg, Agora, Zenject, Wowza, LipSync, AVPro, Nakama, Mailerlite, Headjack, Pico VR, Hurricane VR, AVPro Video, ARCore
📌 𝟑𝐃: Blender. Maya, Houdini, Zbrush, Substance Painter, Render
What you'll get by choosing ONIX:
✅ Professional expertise
✅ Quick and easy start
✅ Deep expertise in 20+ domains
✅ Individual approach to each project
✅ Quality Assurance
✅ Project accompaniment and development after deploy
✅ Open mind and out-of-the-box approach for the highest results
Associated with
Onix-Systems, LLC
$30M+
earned
$40/hr
100%
Job Success
$50K+ earned
Start of list.
End of list.
🚀 Next-Gen QA Engineering | AI-Optimized & Cross-Platform Testing
Are bugs delaying your product launches, frustrating your users, or draining your development team's time?
I’m Anastasiia, a dedicated QA Engineer specializing in end-to-end manual and automated software testing. By blending traditional, rigorous QA methodologies with modern, AI-driven workflows, I build robust testing frameworks that protect your user experience, accelerate your release cycles, and ensure your software is production-ready.
🛠️ Core QA & AI-Driven Expertise
AI-Optimized QA Workflows: I don't just test the old-fashioned way. I leverage cutting-edge AI tools to rapidly synthesize complex test datasets, draft hyper-detailed edge-case scenarios, and accelerate automation script writing—allowing me to deliver comprehensive test coverage in half the time.
Testing AI & Intelligent Applications: If your product features integrated LLMs, AI chatbots, or semantic search pipelines, I know how to test them. I validate non-deterministic outputs, handle prompt edge cases, verify RAG system reliability, and test UI responsiveness during streaming AI text generation.
Strategic Testing & Quality Assurance: I design comprehensive test plans, test cases, and checklists tailored directly to your specific business logic and user flows. From initial smoke testing to final regression suites, I ensure full test coverage.
Test Automation: I specialize in automating repetitive, time-consuming test scripts. By building scalable automated frameworks, I dramatically reduce regression testing time and accelerate your time-to-market.
Cross-Platform & Device Coverage: Your users are everywhere, and your software should be too. I conduct rigorous cross-browser and cross-platform testing across Web, iOS, Android, and Desktop environments to guarantee consistent layout, performance, and cross-compatibility.
Meticulous Bug Tracking & Lifecycle Management: I catch the critical edge cases that others miss. Every issue is logged with crystal-clear steps to reproduce, actual vs. expected results, environment details, logs, and video recordings.
🤝 Why Clients Trust Me
AI-Enhanced Efficiency: By incorporating AI-assisted engineering into my workflow, I provide a faster turnaround on test execution and reporting without ever sacrificing depth or accuracy.
Developer-Friendly Collaboration: I believe QA should never be a bottleneck. I work tightly integrated with your developer sprints, utilizing tools like Jira, Trello, or ClickUp to manage issues efficiently and keep the momentum going.
Clear, Proactive Communication: I provide regular, transparent quality reports so you always know the exact health status of your application before a deployment.
Let’s ensure your software is stable, secure, smart, and ready to scale.
💬 Click the "Invite" or "Message" button below, and let’s discuss how we can elevate your software quality today!
Associated with
Onix-Systems, LLC
$30M+
earned
$45/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
⚡ Top Rated Plus React Developer | 13+ Years of Experience | 𝐀𝐈-𝐃𝐫𝐢𝐯𝐞𝐧 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 & Full Stack Engineer
⚡ 𝐌𝐨𝐝𝐞𝐫𝐧 𝐀𝐈 𝐒𝐭𝐚𝐜𝐤: 𝐂𝐮𝐫𝐬𝐨𝐫, 𝐋𝐨𝐯𝐚𝐛𝐥𝐞, 𝐂𝐥𝐚𝐮𝐝𝐞 𝐂𝐨𝐝𝐞, 𝐆𝐢𝐭𝐇𝐮𝐛 𝐂𝐨𝐩𝐢𝐥𝐨𝐭, 𝐆𝐏𝐓-𝟒/𝐆𝐏𝐓-𝟒𝐨, 𝐂𝐥𝐚𝐮𝐝𝐞 𝐒𝐨𝐧𝐧𝐞𝐭/𝐎𝐩𝐮𝐬
⚡ 𝐀𝐈-𝐀𝐬𝐬𝐢𝐬𝐭𝐞𝐝 Debugging, Refactoring, UI Optimization & Frontend Automation
🙋♂️ Click Hire or Invite Full Stack React Developer | React Native Developer | 𝐀𝐈 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐫𝐭
💻 WHAT YOU GET
Full Stack Node.js React Developer - 13+ years of engineering scalable SaaS platforms, dashboards, and heavy cloud-connected architectures.
React Developer with experience in Next.js - fast SSR/SSG implementation, SEO-optimized web setups, and advanced React Animation workflows.
React Native Developer - high-performance Hybrid App Development for iOS, Android, and Smartphone ecosystems.
📊 ACHIEVEMENTS IN NUMBERS (BUSINESS IMPACT)
13+ years, 25,000+ hours, 100+ digital products delivered as a Senior React Developer, ReactJS Developer, and Front-End Developer.
Full Stack Developer React Node for an Enterprise SaaS & React Dashboard:
Boosted data rendering and page load speed by 210% using advanced caching, Next.js, and state management (Redux).
Reduced server infrastructure costs by 40% by optimizing Node.js API backend architecture and MongoDB query aggregation.
React Developer Firebase Specialist for an AI-powered MVP:
Accelerated time-to-market by 6 weeks utilizing AI App Development workflows and serverless Firebase integrations.
Increased user activation rates by 35% by implementing pixel-perfect Web Design and interactive micro-interactions with smooth React Animation.
React Native & Hybrid App Development for a FinTech Smartphone App:
Designed and launched a cross-platform iOS & Android application from a single codebase, saving the client 45% in budget.
Boosted mobile conversion rates by 25% using deep Responsive Design practices for all Smartphone form factors.
🎯 WHERE I DELIVER (EXPERTISE)
As a React Developer & Front-End Developer: I build fluid, scalable user interfaces from scratch using JavaScript, TypeScript, HTML5, and CSS / Bootstrap, ensuring a premium feel.
As a Next.js & React Dashboard Architect: I implement secure admin panels, real-time analytics hubs, complex data visualizations, and modern server-side architectures.
As a Full Stack Node.js React Expert: End-to-end product engineering from building custom backend APIs with Node.js and Python, to structuring stable database layers via MongoDB and SQL.
As a React Native Developer: High-fidelity Hybrid App Development, native device feature integration (biometrics, camera, background tasks) for iOS and Android Smartphone devices.
As a React Designer: Bridging the gap between UI/UX and code, ensuring that layouts respect the developer-ready guidelines and maintain a conversion-focused approach.
🛠 HOW I BUILD (TECH SKILLS)
Core Frontend: React, React.js, Next.js, JavaScript, TypeScript, HTML5, CSS, Bootstrap, Tailwind CSS.
State & Data Architecture: Redux, Redux Toolkit, Zustand, React Query, Apollo GraphQL.
Backend & API Systems: Node.js, Python, MongoDB, Firebase, REST API, GraphQL.
Mobile & Hybrid Platforms: React Native, Hybrid App Development, Smartphone apps, iOS, Android integrations.
Advanced Mechanics: React Animation (Framer Motion), React Dashboard UI, Responsive Design, Web Design, Web Performance Engineering.
🤖 AI-DRIVEN DEVELOPMENT WORKFLOW
As an AI-Driven Frontend & Full Stack Engineer, I actively combine 13+ years of core engineering logic with cutting-edge AI-native tools (Cursor, Claude Code, GitHub Copilot, OpenAI GPT-4o, Claude Sonnet) to:
Accelerate Delivery: Speed up repetitive front-end development by 30-40%, getting your MVP to launch faster.
Enhance Code Quality: Automated AI-assisted code reviews, bulletproof refactoring, and AI-enhanced CI/CD pipelines.
AI App Development: Smooth integration of third-party AI models (LLMs, vectors, embeddings) directly into your React or mobile interface.
⚡ SERVICES I OFFER
Full-scale React MVP Development & Next.js SaaS setups
Full Stack React & Node.js application scaling
React Native mobile app interfaces & Hybrid App Development
Highly interactive React Dashboard & Admin Panel systems
Native API integrations & multi-tenant cloud architectures
Looking for a world-class Full Stack Node.js React Developer | React Native Developer | Next.js Specialist who understands how to transform engineering code into real business growth?
Let’s connect!
Send me a message detailing your product goals, and let's craft a solid plan for your sprint. 🚀
Associated with
Onix-Systems, LLC
$30M+
earned
Ukraine
$45/hr
100%
Job Success
$60K+ earned
Start of list.
End of list.
Hello! I am a results-driven Project Manager with 5 years of experience in managing diverse projects across various industries. My expertise lies in leading teams, optimizing processes, and ensuring that projects are delivered on time, within scope, and on budget.
What I Bring to the Table:
Comprehensive Project Management:
Skilled in all phases of the project lifecycle, from initiation and planning to execution, monitoring, and closure.
Experienced in managing multiple projects simultaneously, ensuring each one aligns with business goals and client expectations.
Team Leadership & Collaboration:
Adept at leading cross-functional teams, fostering collaboration, and ensuring clear communication among stakeholders.
I prioritize team empowerment and motivation, creating an environment where everyone can excel and contribute to the project’s success.
Agile & Waterfall Methodologies:
Proficient in both Agile (Scrum, Kanban) and traditional Waterfall methodologies, allowing for flexibility in adapting to different project requirements.
Experienced in facilitating sprint planning, daily stand-ups, retrospectives, and ensuring continuous delivery of project milestones.
Risk Management & Problem-Solving:
Strong focus on identifying potential risks early and developing mitigation strategies to keep projects on track.
Skilled in resolving issues promptly and effectively, ensuring minimal disruption to the project timeline.
Client Communication & Reporting:
Excellent communication skills, ensuring that clients are kept informed with regular updates, progress reports, and transparency throughout the project lifecycle.
I work closely with clients to understand their vision and translate it into actionable project plans.
Budgeting & Resource Allocation:
Proficient in managing project budgets, ensuring efficient allocation of resources, and optimizing costs without compromising quality.
Tools I Use:
Project Management Tools: Jira, Trello, Asana, Microsoft Project
Collaboration & Communication: Slack, Zoom, Microsoft Teams
Documentation & Reporting: Confluence, Google Workspace, Microsoft Office
I am passionate about turning ideas into reality by managing projects that deliver tangible results and exceed client expectations.
Let’s collaborate to ensure your next project is a resounding success!
Associated with
Onix-Systems, LLC
$30M+
earned
$35/hr
100%
Job Success
$400K+ earned
Start of list.
End of list.
ʜɪ!
ᴀʀᴇ ʏᴏᴜ ʟᴏᴏᴋɪɴɢ ꜰᴏʀ ᴀ ᴛᴇᴀᴍ ꜰᴏʀ ᴅɪɢɪᴛᴀʟ ᴘʀᴏᴅᴜᴄᴛ ᴄʀᴇᴀᴛɪᴏɴ? ɪ ʜᴇᴀᴅ ᴀ ᴛᴇᴀᴍ ᴏꜰ ᴇxᴘᴇʀᴛꜱ ɪɴ ᴡᴇʙ ᴀɴᴅ ᴍᴏʙɪʟᴇ ᴀᴘᴘ ᴅᴇꜱɪɢɴ ᴀɴᴅ ᴅᴇᴠᴇʟᴏᴘᴍᴇɴᴛ.
ꜱᴛᴀᴄᴋ ᴏꜰ ᴛᴇᴄʜɴᴏʟᴏɢɪᴇꜱ ᴡᴇ ᴜꜱᴇ:
✔️ ꜰʀᴏɴᴛ-ᴇɴᴅ: ʀᴇᴀᴄᴛ, ᴠᴜᴇ.ᴊꜱ, ᴀɴɢᴜʟᴀʀ
✔️ ʙᴀᴄᴋ-ᴇɴᴅ: ᴘʜᴘ, ʟᴀʀᴀᴠᴇʟ, | ɴᴏᴅᴇ.ᴊꜱ, ɴᴇꜱᴛ.ᴊꜱ | ᴄʀᴇᴀᴛɪɴɢ ᴀᴘɪ
✔️ ᴍᴏʙɪʟᴇ: ꜰʟᴜᴛᴛᴇʀ, ʀᴇᴀᴄᴛ ɴᴀᴛɪᴠᴇ
✔️ ᴜɪ/ᴜx ᴅᴇꜱɪɢɴ
✔️ ᴅᴇᴠᴏᴘꜱ
✔️ Qᴜᴀʟɪᴛʏ ᴀꜱꜱᴜʀᴀɴᴄᴇ
ᴡᴇ ᴏꜰꜰᴇʀ ᴀ ʜɪɢʜ ʟᴇᴠᴇʟ ᴏꜰ ꜱᴇʀᴠɪᴄᴇ:
🙋♀️ 🙋♂️ ʀᴇꜱᴘᴏɴꜱɪʙʟᴇ ᴀɴᴅ ᴅᴇᴛᴀɪʟꜱ ᴀᴛᴛᴇɴᴛɪᴠᴇ ᴘʀᴏᴊᴇᴄᴛ ᴍᴀɴᴀɢᴇʀꜱ
👩🎨👨🎨 ᴄʀᴇᴀᴛɪᴠᴇ ᴀɴᴅ ᴏᴜᴛ-ᴏꜰ-ᴛʜᴇ-ʙᴏx ᴛʜɪɴᴋɪɴɢ ᴅᴇꜱɪɢɴᴇʀꜱ
👨💻 👩💻 ɢᴇɴɪᴜꜱ ᴘʀᴏꜰᴇꜱꜱɪᴏɴᴀʟ ᴅᴇᴠᴇʟᴏᴘᴇʀꜱ
👩🔧👨🔧 ᴍᴇᴛɪᴄᴜʟᴏᴜꜱ Qᴀ ᴇxᴘᴇʀᴛꜱ
ᴅᴏɴ'ᴛ ʜᴇꜱɪᴛᴀᴛᴇ ᴛᴏ ᴛᴇxᴛ ᴍᴇ - ɪ'ʟʟ ʙᴇ ɢʟᴀᴅ ᴛᴏ ʜᴇʟᴘ ʏᴏᴜ!
Associated with
Onix-Systems, LLC
$30M+
earned