JSON Developers For Hire

  • JSON
  • Online Users
Suggestions:
more

Countries

Specific Location

Exams

Hourly Rate (USD)

Rating

Online

Showing 152 results
  • Hire     giviniinternet
Hire     giviniinternet

    giviniinternet giviniinternet

    India $25 USD / hour
    Top Rated Freelancers, 15+ Years Experience
    India
    10.0
    110 reviews 110 reviews $25 USD per hour
    We are a team of highly skilled developers with expertise across a wide range of technologies, frameworks, and platforms. Our experience spans enterprise applications, custom software solutions, web and mobile platforms, blockchain, and NFT-based projects. Technical Skill Set - Microsoft Technologies: Asp.Net, MVC,...
    We are a team of highly skilled developers with expertise across a wide range of technologies, frameworks, and platforms. Our experience spans enterprise applications, custom software solutions, web and mobile platforms, blockchain, and NFT-based projects. Technical Skill Set - Microsoft Technologies: Asp.Net, MVC, C#, .Net Framework, .Net Core (3.1, 5, 6, 7, 8+), Blazor Web/Server - UI & Testing: Selenium Web UI Testing, Telerik Controls, Kendo UI, DevExpress, Angular, AngularJS (2/4/7/10+), TypeScript - Enterprise Platforms: SharePoint, Power Automate - Web & CMS: WordPress, WordPress Plugin Development, NopCommerce (Plugins, Customizations, Theme Development) - Open Source & Frameworks: PHP, Laravel, CodeIgniter, MERN Stack, React JS, Angular, Next JS - Frontend Technologies: JavaScript, jQuery, CSS, HTML - Databases: MySQL, SQL Server, PostgreSQL, Oracle - API Development & Integrations: Web API 2, REST API, Microservices, SOAP, Social Network APIs - Logistics & Finance Integrations: UPS, FedEx, DHL, DPD Shipping APIs, QuickBooks API Integration - Collaboration & Automation: Zoom API (automation, scheduling, reminders), File Sync & Sharing solutions with Azure Blob Storage - Blockchain & NFT: Smart Contract Development, NFT Marketplace Solutions, Token Creation & Management, Wallet Integration, Blockchain-based dApps Our Promises * Regular Communication * Daily & Weekly Work Updates * 100% Guaranteed Stress-Free Work * Guaranteed Data Security & Privacy * Adopted Agile Development Methodology * Mature Technology & Process Expertise Engagement Models * Fixed Cost * Time & Material (Hourly) * Dedicated Team * Hybrid Model (Fixed + Hourly) less
    Hire giviniinternet
  • Hire     expertcoder1vw
Hire     expertcoder1vw

    expertcoder1vw expertcoder1vw

    Malawi $50 USD / hour
    Software Design and Development Expert
    Malawi
    4.4
    3 reviews 3 reviews $50 USD per hour
    Do you have web, AI, or Windows software developing needs? Then I promise, I'm the freelancer you've been looking for. I am a software developer with over 25 years experience, with development projects spanning a number of different languages and platforms, including: WEB & API - JavaScript / TypeScript - React,...
    Do you have web, AI, or Windows software developing needs? Then I promise, I'm the freelancer you've been looking for. I am a software developer with over 25 years experience, with development projects spanning a number of different languages and platforms, including: WEB & API - JavaScript / TypeScript - React, Angular, Next.js, Nest.js, Node.js - ASP.NET / ASP.NET Core / C# - Python - PHP - HTML5 / CSS / Tailwind - REST and Web APIs, and third-party API integrations - Azure / AWS AI & AUTOMATION - LLM integration (OpenAI, Claude, and local models) - AI features built into existing apps - Prompt engineering and fine-tuning - Chatbots, document and PDF processing, data extraction - Automated workflows, scraping and scheduled bots WINDOWS DESKTOP & DATABASE - Delphi - MS-Access/VBA - MS-Excel/VBA - VB6 - VB.Net/C#.Net - DBase/Foxpro/Visual Foxpro - SQL Server/T-SQL - Firebird - SQLite - Oracle Database - MySQL - PostgreSQL - MongoDB - Redis I never shy away from a project, no matter what kind of language, parameters, or client needs are attached to it. My designs are turnkey, allowing for quick and easy access and use. All designs and developments come with support and troubleshooting, as I'd never expect a client to fix anything that I created. I also offer licensing and commercialization services for all products. I'm available in any timezone, and can always be reached via Freelancer.com's "Hire Me Now" button. If you have any questions about the stack, the tools, or any general questions about what you need accomplished, reach out! I'm waiting and ready to take your project from seedling to full-grown! less
    Hire expertcoder1vw
  • Hire     AwaisChaudhry
Hire     AwaisChaudhry

    AwaisChaudhry AwaisChaudhry

    Pakistan $50 USD / hour
    Ranked Top 50 Among 1M+ Freelancers
    Pakistan
    6.1
    5 reviews 5 reviews $50 USD per hour
    ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software...
    ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software and embedded engineering projects with proven real-world experience. Our certified team combines deep technical knowledge with hands-on delivery to build fast, secure, scalable, and user-friendly solutions. Core Expertise Web & SaaS Development: Full-stack development using PHP, WordPress, Python, React, Node.js, Angular.js, Electron.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, Webflow, and custom business platforms. Website Design & UI/UX: Website Design, Web Design, Web Development, Graphic Design, Logo Design, User Interface (UI) Design, User Experience (UX) Design, Wireframing, Prototyping, Responsive Design, HTML/CSS, Squarespace, Landing Pages, and conversion-focused business websites. eCommerce: Shopify, WooCommerce, Magento, Amazon, and custom marketplace platforms with payment, shipping, ERP, and inventory integrations. Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Mobile Apps: Native and cross-platform development (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, OCR systems, automation, and intelligent business solutions. Game Development: Unity 3D, Unreal Engine, WebGL, multiplayer games, blockchain gaming, and AR/VR experiences. Hardware & IoT (In-house Team): Electronics, Microcontrollers, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, robotics, and control systems. Trading EA, Bots & Automation: MQL, MT4/MT5, TradingView, Binance, IBKR, algorithmic trading systems, indicators, EAs, and trading bots. Enterprise & Business Solutions: CRM systems, ERP platforms, Odoo customization, Salesforce, Microsoft Dynamics 365, SharePoint, Power BI, Power Apps, workflow automation, business process optimization, reporting dashboards, inventory management, data processing, business intelligence, and enterprise software integrations. Digital Marketing & SEO: Search Engine Optimization (SEO), Technical SEO, Keyword Research, Content Strategy, Social Media Marketing, Email Marketing, Website Optimization, Analytics, Brand Management, Content Creation, and digital growth strategies. Customer Support : Customer Support, Customer Service, Virtual Assistant Services, Call Center Operations, Telemarketing, VoIP Solutions, Asterisk, PBX , SIP With 300+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions delivered with clear communication, transparent processes, and long-term support. less
    Hire AwaisChaudhry
  • Hire     extreamcode
Hire     extreamcode

    extreamcode extreamcode

    Pakistan $50 USD / hour
    Full-Stack, AI & Digital Solutions Engineer
    Pakistan
    5.1
    3 reviews 3 reviews $50 USD per hour
    I am a Full-Stack, AI, and Digital Solutions Engineer with 15+ years of experience delivering websites, business apps, automation systems, API integrations, CRM workflows, dashboards, digital marketing support, presentations, and technical problem-solving. I help clients turn ideas into practical deliverables, from...
    I am a Full-Stack, AI, and Digital Solutions Engineer with 15+ years of experience delivering websites, business apps, automation systems, API integrations, CRM workflows, dashboards, digital marketing support, presentations, and technical problem-solving. I help clients turn ideas into practical deliverables, from planning and design to development, deployment, optimization, documentation, and post-launch support. 30-Day Guarantee with Full Support Coverage After Project Completion. Core Expertise: - Custom websites, web apps, dashboards, portals, SaaS tools, admin panels, and business software - PHP, MySQL, JavaScript, React, Node.js basics, Python, Flask/FastAPI, MERN, LAMP, and CakePHP - WordPress, WooCommerce, Shopify, Magento, OpenCart, PrestaShop, CS-Cart, WHMCS, Webflow, Wix, Squarespace, Framer, Base44, Lovable, and Odoo - Flutter mobile apps for Android and iOS - REST APIs, webhooks, payment gateways, data sync, and third-party integrations - AI / ChatGPT integrations, AI assistants, automation tools, Python MVPs, and AI-enabled workflows - CRM, lead capture, verified lead workflows, appointment-setting systems, GoHighLevel, Zoho CRM, forms, funnels, and marketing automation - Landing pages, analytics, conversion tracking, email/SMS/WhatsApp workflows, and lead management - UI/UX, responsive web design, Figma-to-web, product pages, checkout pages, and conversion-focused layouts - PowerPoint, pitch decks, executive presentations, educational presentations, visual storytelling, infographics, and editable business documents - Canva, Figma, Adobe-style assets, social/web graphics, product visuals, storyboards, and AI-assisted image/video concepts - Three.js, WebGL, Unity-style interactive experiences, product visualization, and marketing animation support - SQL databases, reports, authentication, booking systems, inventory tools, and operational dashboards - Hosting, cPanel/WHM, VPS, Cloudflare, SSL, DNS, Linux/Windows Server, deployment, migration, speed optimization, and troubleshooting - Business process, logistics, capacity-planning, simulation-style workflows, AnyLogic/FlexSim-style support, Excel/SQL data preparation, scenario reporting, and documentation Many projects are not only websites. They involve connecting software, data, marketing, operations, reports, presentations, APIs, cloud services, and business workflows. I help turn those moving parts into dependable deliverables. What You Can Expect: - Clear communication - Practical technical advice - Clean, scalable implementation - Business-focused problem solving - Reliable troubleshooting - Proper documentation - 1-month free support after delivery Whether you need a website, eCommerce store, app, API integration, automation workflow, CRM setup, lead generation system, dashboard, presentation deck, AI tool, server fix, creative web asset, or business process solution, I can help you build it properly. less
    Hire extreamcode
  • Hire     juanjosec63
Hire     juanjosec63

    juanjosec63 juanjosec63

    Colombia $35 USD / hour
    Fullstack | C# .Net Core | Game | Mobile | Azure
    Colombia
    4.7
    1 review 1 review $35 USD per hour
    Hello! I'm Juan Jose C, a full-stack developer experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, WebGL, Three.js, Angular, React, Next.js, Node.js, Vue.js and...
    Hello! I'm Juan Jose C, a full-stack developer experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, WebGL, Three.js, Angular, React, Next.js, Node.js, Vue.js and Tailwind CSS. I also leverage the latest and most popular AI code tools to write fast, efficient, and scalable code, ensuring top-tier performance and innovation in every project. My Main Skills: Frontend: React, Next.js, Vue.js, TailwindCSS, Shadcn Backend: Node.js, Express, Laravel, Python, Django, REST APIs, FastAPI, GraphQL, WebSocket, Socket.io AI & LLMs: OpenAI (GPT-4, ChatGPT), Chatbot, LangChain, Cohere, Pinecone Cloud & Deployment: Vercel, AWS, Firebase Database: MySQL, MongoDB, PostgreSQL, Supabase, Adrant, ChromeDB Tools: Cursor, Lovable, Bolt.new, V0.dev, Zed, Warp, Figma less
    Hire juanjosec63
  • Hire     C0RETECHIES
Hire     C0RETECHIES

    C0RETECHIES C0RETECHIES

    India $15 USD / hour
    TOP RATED | AI AGENTS | SaaS | Web & Mobile Apps
    India
    4.6
    1 review 1 review $15 USD per hour
    Core Techies is a software development and AI engineering company helping startups and enterprises build scalable digital products, automation systems, AI-powered solutions, and SaaS platforms. Since 2013, we have successfully delivered 200+ projects across web applications, mobile apps, backend systems, enterprise...
    Core Techies is a software development and AI engineering company helping startups and enterprises build scalable digital products, automation systems, AI-powered solutions, and SaaS platforms. Since 2013, we have successfully delivered 200+ projects across web applications, mobile apps, backend systems, enterprise software, workflow automation, and AI-powered products. Our expertise includes: 🚀 AI Agents & AI Applications Custom AI agents, conversational AI systems, RAG applications, LLM integrations, document intelligence, and business process automation. ⚡ Workflow Automation n8n, Make.com, Zapier, CRM automation, sales workflows, operational automation, lead management, customer support automation, and system integrations. 📱 Mobile App Development Flutter, Android, iOS, React Native, Firebase-powered applications, MVP development, and enterprise mobile solutions. 💻 Web & SaaS Development React, Next.js, Node.js, Python, Java, Spring Boot, custom SaaS platforms, admin dashboards, multi-tenant systems, and enterprise applications. 🔌 API & System Integrations CRM, ERP, payment gateways, third-party APIs, cloud services, communication platforms, and business system integrations. ☁️ Cloud & DevOps AWS, Google Cloud, Docker, Kubernetes, CI/CD, deployment automation, and scalable cloud infrastructure. Our team focuses on building practical solutions that improve operations, automate workflows, reduce manual effort, and help businesses scale efficiently. Whether you need an AI-powered product, SaaS platform, mobile application, automation workflow, or enterprise software solution, we can help transform your idea into a production-ready system. less
    Hire C0RETECHIES
  • Hire     Beannsofts
Hire     Beannsofts

    Beannsofts Beannsofts

    Kenya $100 USD / hour
    Process Automation Engineer
    Kenya
    5.3
    4 reviews 4 reviews $100 USD per hour
    As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy...
    As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy generation, live trade execution, smart notifications, user dashboards, and automated scaling, integrating TradingView charts and custom AI modules. My expertise includes: Strategy Engine Development: Design, testing, and deployment of custom and modular trading strategies (momentum, DCA, grid, arbitrage, trend-following, mean reversion, risk management overlays, etc). Exchange Integrations: Multi-exchange (Binance, Bybit, KuCoin, Coinbase, OKX, and more) spot, margin, and derivatives connectivity, robust error handling, and seamless authentication. Backtesting & Simulation: Fast, accurate historical and forward backtesting engines; optimization tooling; walk-forward analysis; metric dashboards. Automated Live Trading: Real-time execution, position sizing, dynamic stoploss/TP, risk management, error recovery, and live trade monitoring. Signal & Webhook Handling: Integration with TradingView, Telegram, Discord, email alerts; advanced webhook processors; custom event triggers. Trading Terminal UI: Web-based terminals for trade monitoring, live logs, analytics, and order management; deep TradingView chart integration; responsive dashboards. AI/ML-Driven Trading: Custom modules for signal generation, position management, and adaptive strategy optimization with machine learning. Portfolio Management: Multi-asset and multi-strategy allocation, wallet/rebalancing, cross-exchange tracking, P&L and risk statistics. Notification & Reporting: Real-time logging, alerting (web, mobile, email, Telegram), performance reporting, and alerting for trade state, errors, fills, or margin events. Cloud & DevOps: Docker, Kubernetes, Helm, NGINX, automated CI/CD pipelines, secure API exposure (REST/WebSockets), volume scaling for thousands of concurrent users. User & Multi-Tenancy: Auth, multi-user session management, isolated deployments, and secure separation for hosted trading platforms. API & Bot Management: REST/WebSocket APIs for strategy control, trade monitoring, status queries, bot lifecycle (spawn/stop/clone/update) at scale. Config & Secrets Handling: Secure, dynamic config management (YAML, JSON), secrets vaults, role-based access, per-user exchange keys. Deployment: Production experience with Linux, bare metal, AWS, GCP, DigitalOcean, Hetzner, OVH; scaling to global audiences. I combine technical rigor, creative engineering, and a passion for clean, robust code to deliver trading solutions that are powerful, resilient, and user-friendly. I’m ready to build and run your next-generation crypto trading or automation platform—end-to-end, from strategy to cloud! less
    Hire Beannsofts
  • Hire     maxscender
Hire     maxscender

    maxscender maxscender

    Tunisia $100 USD / hour
    🟣 SOFTWARE ENGINEERING 🟢 MACHINE LEARNING 🟠AI
    Tunisia
    4.2
    3 reviews 3 reviews $100 USD per hour
    I’m a Software Engineer with a Ph.D. in Computer Science, specializing in system architecture, machine learning/AI, advanced web scraping, and algorithmic trading. With expertise ranging from high-level web services (Python) to low-level system programming (C/C++), I help clients collect complex data, build reliable...
    I’m a Software Engineer with a Ph.D. in Computer Science, specializing in system architecture, machine learning/AI, advanced web scraping, and algorithmic trading. With expertise ranging from high-level web services (Python) to low-level system programming (C/C++), I help clients collect complex data, build reliable backend systems, and develop intelligent models that deliver measurable results. What I Can Do: 🟣 SOFTWARE ENGINEERING & ARCHITECTURE * Python, C, C++, C#, Java, PHP, Javascript, Rust, Go. * Desktop Applications Development. * Raspberry Pi programming, hardware-software integration, and edge-device deployment. * Backend Development: REST/GraphQL APIs, authentication/authorization, role-based access. 🔴 REVERSE ENGINEERING & LOW-LEVEL SYSTEMS * Reverse engineering: binary analysis, disassembly, decompilation, protocol reverse engineering * Static & dynamic analysis: IDA Pro, Ghidra, x64dbg, OllyDbg * Malware analysis, unpacking, and code inspection * Memory forensics and runtime debugging 🟠 ALGORITHMIC TRADING & QUANTITATIVE DEV * Development of custom MetaTrader (MT5) Expert Advisors (EAs), custom indicators, and automated trading bots (MQL5). * Bridging Python-based ML/DL forecasting models with MT5 via APIs/sockets. 🟢 MACHINE LEARNING / DEEP LEARNING / AI * End-to-End ML Pipelines: Data collection → preprocessing → training → evaluation → deployment. * Ecosystems & Tools: PyTorch, TensorFlow, scikit-learn, and MATLAB for academic/engineering simulations. * Deep Learning & NLP: CNNs, RNNs/LSTMs, Transformers, text cleaning, embeddings, RAG with vector databases. * Time Series & Forecasting: Feature engineering, backtesting, and model comparison (highly applicable to financial data). 🟡 WEB SCRAPING & DATA EXTRACTION * Frameworks: Python with Scrapy, Selenium, Playwright, Seleniumbase, Pydoll, requests, curl_cff. * Anti-Bot & CAPTCHA: Bypassing complex modern web protections. 🔵 DATA ANALYSIS, ENGINEERING & VISUALIZATION * Data Engineering: ETL/ELT pipelines, batch/stream workflows, data modeling (star schema), warehousing basics. * Data Analysis: Exploratory analysis (EDA), KPI definition, insights, trend/segment analysis. * Data Cleaning & Preprocessing: Missing values, outliers, normalization, deduplication, validation rules. * Database Design: PostgreSQL/MySQL/SQLite, MongoDB; indexing, migrations, and optimization. less
    Hire maxscender
  • Hire     Hammadhassan21
Hire     Hammadhassan21

    Hammadhassan21 Hammadhassan21

    Pakistan $15 USD / hour
    Top Rated Product Engineer | Web, Mobile & SaaS
    Pakistan
    4.1
    1 review 1 review $15 USD per hour
    I help founders and businesses turn ideas into reliable digital products from an initial MVP to a scalable SaaS platform or complete business application. With 8+ years of experience and 200+ projects delivered, I bring together product thinking, software architecture, web development, mobile development, APIs,...
    I help founders and businesses turn ideas into reliable digital products from an initial MVP to a scalable SaaS platform or complete business application. With 8+ years of experience and 200+ projects delivered, I bring together product thinking, software architecture, web development, mobile development, APIs, databases, and project delivery to build products that are designed for real-world use and future growth. My experience covers: • MVP development from idea to launch • SaaS product development • Custom business platforms and web applications • Startup product development and technical execution • Mobile applications for iOS and Android • React and modern frontend development • Laravel and Node.js backend development • REST APIs and third-party integrations • Database architecture and application scalability • Admin panels and business dashboards • E-commerce and payment solutions • AI-powered product features and integrations • Real-time applications and communication features • Product redesign, modernization and technical improvements • QA, deployment and post-launch support I can work with you across the complete product lifecycle understanding the requirements, planning the architecture, developing the product, integrating the necessary services, testing the system, and preparing it for production. My approach is focused on finding the right balance between speed, quality, scalability, and budget. For startups, this means building an MVP without creating unnecessary technical complexity. For established businesses, it means improving existing systems while keeping future expansion in mind. What you can expect: • 8+ years of software development experience • 200+ projects delivered • 4.9/5 client rating • Top Rated / Preferred Freelancer • Experience working with startups and established businesses • Full product development capability across web, mobile and backend • Strong focus on architecture, scalability and maintainability • Structured project management and QA • Clear communication throughout development If you have a product idea, MVP requirement, SaaS concept, existing application, or business system that needs to be built or improved, share the details with me. I can help you evaluate the technical approach, define the development scope, and turn the idea into a working product. less
    Hire Hammadhassan21
  • Hire     rinsadsl
Hire     rinsadsl

    rinsadsl rinsadsl

    Sri Lanka $20 USD / hour
    Mobile & Web Apps, AI & Automation | Top 1%
    Sri Lanka
    5.1
    11 reviews 11 reviews $20 USD per hour
    If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building...
    If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building future-ready systems that combine clean architecture, performance, and business impact. Our technical expertise spans PHP, Node.js, Angular, Flutter, React, React Native, C#, VB.NET, and leading platforms such as WordPress, WooCommerce, Magento, and PrestaShop, supported by enterprise-grade databases including MySQL, PostgreSQL, Oracle, and SQL Server. Beyond development, we help businesses scale through AI-driven innovation and automation, including: - AI chatbots, voice agents, and virtual assistants - Workflow and process automation using Make (Integromat), n8n, and custom solutions - AI-powered data processing, content generation, and decision support - CRM, marketing, and operations automation to reduce costs and increase efficiency We have strong expertise in API-based integrations and ecosystem automation, connecting platforms such as Amazon, eBay, Shopify, Walmart, Lazada, Wish, and logistics providers including USPS, UPS, FedEx, and DHL, enabling seamless commerce and fulfillment workflows. Our focus is not just on delivery, but on measurable outcomes, speed, reliability, scalability, and long-term value. We thrive on complex challenges and continuously adopt the latest AI and automation trends to keep our clients ahead of the curve. Review our portfolio below and let our work demonstrate the standard we uphold. We are committed to delivering solutions that are intelligent, efficient, and built for growth. less
    Hire rinsadsl

Hey , here are some offline freelancers

Hey , here are some offline freelancers matching ""