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exequiel12ifran exequiel12ifran

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$35 USD / hour

Web & Mobile | React, Vue, Shopify, WP, OpenAI

Argentina

0.0

0 reviews 0 reviews $35 USD per hour

Google Sheets, Solana, CSS, HTML, JavaScript

I have 8+ years of experience with expertise in Solana, Rust, Python, PHP, and modern JavaScript frameworks like React and Vue.js, as well as cross-platform mobile development using Flutter and React Native. I specialize in building high-performance decentralized applications, scalable web platforms, and mobile apps that deliver real value. From smart contract development on Solana with Rust, to robust backend systems in PHP and Python, and dynamic mobile and web frontends, I bring a full-stack skill set that bridges blockchain, web, and mobile technologies. I’m also experienced with CMS platforms like WordPress and eCommerce solutions such as Shopify, enabling me to deliver complete end-to-end digital solutions. With a strong focus on code quality, performance, and clear communication, I ensure smooth project execution and client satisfaction. Whether you’re looking to develop a DeFi protocol, a scalable mobile app, a dynamic frontend UI, or a fully customized CMS site, I have the expertise to turn your vision into reality. less

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draganm59 draganm59

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$40 USD / hour

Software Engineer || AI, Linux, Manufacturing, IoT

Serbia

0.0

0 reviews 0 reviews $40 USD per hour

C Programming, Electronics, Embedded Systems, Mobile App Development, CSS

I am a senior Full Stack Software Engineer with over 10 years of experience delivering complete, high-performance solutions across Shopify, Online Marketing, CRM, CMS, Go High Level, Hub Staff, full-stack web/mobile development, iOS applications, and AI/ML-powered intelligent systems. My work spans the entire technology stack—from hardware-level programming and kernel engineering to cloud dashboards, mobile apps, and AI automation that connects everything together. I build stable, secure, production-ready systems used in robotics, IoT, industrial automation, automotive, smart devices, and modern cloud platforms. Full-Stack Engineering * Frontend: React, Next.js, TypeScript * Backend: Node.js, Python (FastAPI, Flask), REST/GraphQL APIs * Databases: PostgreSQL, MySQL, MongoDB * Cloud: AWS, Docker, CI/CD, Edge-to-Cloud Integration * Building dashboards, remote monitoring & control systems for embedded devices * IoT platforms, OTA firmware update servers, device management portals Blockchain & Web3 Development * Smart Contracts: Solidity, Rust, Go (Hyperledger Fabric chaincode) * Blockchains: Ethereum, BSC, Polygon, Hyperledger Fabric, Solana * Development Tools: Hardhat, Foundry, Truffle, Fabric test-network, Chaincode lifecycle * Frontend: React, TypeScript, Web3.js, ethers.js, WalletConnect, dApp interfaces * Backend: Node.js (NestJS), Python, REST/GraphQL APIs, Oracle integration * Infrastructure: Docker Compose V2, Kubernetes, nginx, PM2, multi-node deployments * DeFi Protocols: Token contracts (ERC20/721/BEP20), DEX/AMMs, yield farming, staking * Enterprise: Permissioned networks, multi-channel Fabric setups, supply chain DLT solutions AI, ML & Intelligent Systems * AI/ML Integration into Embedded Systems * Python-based ML pipelines (PyTorch, TensorFlow, scikit-learn) * Computer Vision for edge devices (OpenCV, YOLO, ONNX Runtime) * TinyML and model optimization for constrained hardware * Sensor fusion, anomaly detection, predictive maintenance * LLM integration via API for device automation or cloud dashboards Technology Stack & Tools * Languages: C, C++, Embedded C, Python, Shell/Bash, JavaScript/TypeScript * OS/RTOS: Linux, FreeRTOS, Zephyr * Build Systems: Yocto, Buildroot, CMake, Make, Bitbake * Debugging: GDB, JTAG, Valgrind, Oscilloscope, Logic Analyzer * Cloud/DevOps: Docker, AWS, GitHub Actions, CI/CD * AI Tools: PyTorch, TensorFlow, ONNX, OpenCV less

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