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Amir K.
$50/hr
100% Job Success
$200K+ earned
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Possessing experience of 12 years, building Websites and Software applications for the clientele across the globe utilising Elance and Upwork platform. In addition to this, initially worked for software companies located in Pakistan for 2+ years. My core expertise involves in-depth knowledge of the latest technologies such as LAMP stack with command line proficiency, Linux, Apache, MySql, PHP, Pearl, Python, Java, JavaScript, jQuery, and Objective-C. In addition to this, most popular frameworks (CakePHP, Laravel, CodeIgniter, Zend, Symphony, Yii). Also, leading open source solutions (WordPress, Drupal, WooCommerce, Magento, PrestaShop, vTiger, BigCommerce, Weebly, Wix, Joomla, OpenCart, Shopify). My objective is to produce and deliver high-quality websites, software and web applications using industry-specific workflows, processes, standards, and knowledge to provide value to the customer and business. In addition to this, aim to maximise customer satisfaction and to retain a long-term business relationship. In 10 years assisted/served to numerous businesses maintaining, extending and developing business-applications ranging from Medical and Dental Colleges, Physiology Institutes, Media, Music, Financial Sectors, Trade, Technology, News, Travel or Tourism. ✔ Object-Oriented Programming and Procedural programming ✔ The building of Website from scratch(PSD). ✔ LAMP (Linux, Apache, MySql, PHP) stack, with command line proficiency ✔ Building responsive websites using HTML5, CSS3 and Sass/LESS, and      JavaScript/jQuery ✔ Drupal applications, with experience in creating custom themes and modules for      Drupal 7 and 8 ✔ Magento (all version) eCommerce Platform, with experience in creating custom      themes and modules. Also, external api integration for payment gateways,      synchronisation. ✔ Wordpress CMS platform, with experience in creating custom themes and modules ✔ Vtiger CRM, with experience in building custom themes, modules and plugins ✔ Joomla CMS, with experience in building custom themes, modules and plugins ✔ PHPbb Forum, with experience in building custom themes and modules ✔ Managing cloud infrastructures such as RackSpace or AWS and a load-balanced      environment ✔ Git version control, Composer, Drush, BitBucket and Gulp. ✔ Advanced JavaScript libraries and frameworks (mxGraph, jGraph, Canvas, d3, Node,      Angular, React etc). ✔ Web server technologies such as Nginx and Varnish ✔ API integration for Payment Gateways, Facebook, Instagram, Eventbrite, MailChimp,      MLS, RETS, Drupal API, Amazon s3, Google remarketing, Google Adwords, etc. ✔ API building for web services (SOAP, REST). ✔ PHP frameworks (Zend, CI, Laravel, CakePHP, Yii). ✔ Extensive coding/programming expertise involving Python, Perl and Java. ✔ XBMC (Kodi), with experience in building custom themes and modules ✔ Alteration/Modification to any theme, module or custom code ✔ WooCommerce and E-commerce, with experience in building themes, modules and      extension ✔ BigCommerce, Shopify, Weebly and Wix, with experience in modification of themes      and modules. Additionally, external APIs integration. ✔ PHP code, old to new conversion, general error fixing and troubleshooting ✔ Website optimization, loading, image compression, HTML, JS, CSS compression. ✔ Website migration from one platform to another. ✔ Bootstrap, W3CSS, SASS ✔ Data scraping, grabbing ✔ Extensive experience in the installation of Apache Solr, customising and building      search criteria. ✔ Installation of web chat any accordingly to clients requirements plus modifications ✔ Building/Modification/Integration for Zoho CRM ✔ Extension development/building for Chrome/Safari/FireFox ✔ File generation, conversion, import, export, data extraction from any to any format      (PDF, EXCEL, DOCX, PPT, JPG, PNG, txt etc.) ✔ Animations and Photo Galleries using JavaScript and libraries (jQuery, D3, Canvas,      Carousel) ✔ LDAP, CALDAV integration, synchronisation with CRM or CMS accordingly to      requirements ✔ Sign-up, sign-in Authorization, using Social APIs (Facebook, Instagram, Linkedin,      Google, Twitter, StackOverflow, etc).
Jhon Karlo M.
$25/hr
100% Job Success
$2K+ earned
Available now
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I build fast, scalable, and user-focused web and mobile applications for startups, small businesses, and enterprises. I’ve worked across Finance, Healthcare, Transportation, and SaaS, delivering solutions that improve performance, automate workflows, and help companies grow. Frontend Development - React.js, Next.js, Angular, Vue.js - HTML5, CSS3, SASS, Tailwind, Material-UI, Bootstrap - TypeScript, Redux, Global State, Component Architecture - Clean, modern, responsive UI/UX Backend Development - Node.js, Express.js, PHP (Laravel, Mason, CGI) - PostgreSQL, MySQL, Sequelize, Prisma - MongoDB, Firebase, Mongoose - REST APIs, GraphQL, Socket.io (real-time apps) ☁️ Cloud & DevOps - AWS & Azure (Certified Solutions Architect) - Docker, CI/CD pipelines - Cloud deployments, scaling, and migrations General Skills - JavaScript (ES6+), TypeScript - API integrations (Stripe, PayPal, OAuth, etc.) - Testing: Jest, Cypress - Clean code, maintainable architecture, best practices
Jhon Karlo M. has worked .
$200/hr
100% Job Success
$600K+ earned
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I provide creative, high-tech solutions to your system integration and software development needs. I have broad experience in Wordpress, Linux, Java, Apache, MySQL and PHP / Perl. (Also known as the LAMP stack.) I adhere to industry best practices, and bring to your projects the disciplines of MVC framework design patterns such as CodeIgniter in PHP, Git version control, and project management systems such as Jira, Bitbucket, and Github. I can either work alone, or in collaboration with your existing development team. My projects have been as lead developer or team member alike with great success.
Muhammad S.
$27.77/hr
100% Job Success
$70K+ earned
Available now
Offers consultations
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Founders hire me to turn their product ideas into production-ready SaaS, from architecture to deployment. I've shipped SaaS platforms, multi-tenant marketplaces, AI agents, and real-time applications handling thousands of daily active users. The last two years added AI to that mix. Built an agent platform using LangChain and OpenAI, and a generative AI app on Stable Diffusion with custom DreamBooth training. Different flavor of AI work each time, same underlying skill taking a model and making it actually useful inside a real product. Recent work: ✔️ Backend for a multi-vendor marketplace now running thousands of daily users across multiple vendor tenants. Complete data isolation per vendor, Stripe Connect for payouts, real-time order processing. Still running on its original architecture since launch. ✔️ A restaurant operations platform, customers order by scanning a QR code, kitchen gets notified instantly, owners get a live dashboard. No manual order-taking involved. ✔️ An AI agent platform where companies upload their own documents and get a working chatbot deployed to their website or WhatsApp. RAG, vector search, multi-tenant underneath. ✔️ A BioTech data platform processing 20GB+ datasets in the background while researchers keep working, instead of making them wait hours for results. Before I write a line of code, I send a Loom covering architecture, scope, and what gets built first. You know exactly what you're getting before anything starts, and you get documentation that lets you own and extend the system after we're done. ⚙️ Tech Stack: FastAPI, Django, Python, Next.js, PostgreSQL, Redis, Celery, RabbitMQ, Docker, OpenAI API, LangChain, ChromaDB, Stripe, WebSockets. 🧿 Top Rated Plus. 100% Job Success Score. 14+ years of production software delivery. Send me your idea and I'll get back to you within the hour with a Loom covering architecture, scope, and the exact approach I'd take before you commit to anything.
Sheraz I.
$24/hr
100% Job Success
$100K+ earned
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Top Rated Plus Backend Developer with 8+ years of experience building web applications, APIs, automation systems and data platforms. I help businesses automate workflows, integrate third-party services, modernize legacy applications, and build scalable backend systems that are reliable in production. ✓ 78+ Upwork Projects ✓ 5,000+ Hours Worked ✓ 100% Job Success ✓ Top Rated Plus ✓ 60% Repeat Clients Specialized in Ruby on Rails, Laravel, Web Automation, Data Scraping, and Legacy System Modernization. Recent projects include: ✓ Built large-scale review aggregation systems ✓ Developed booking and scheduling platforms ✓ Created web scraping systems using proxies and browser automation ✓ Integrated Stripe, PayPal, Braintree and Chargebee ✓ Modernized legacy applications without disrupting production users ✓ Designed REST APIs consumed by mobile and web applications ✆ Available for free Consultations
$20/hr
100% Job Success
$40K+ earned
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I build production-ready AI workflows and multi-agent systems that transform manual, fragmented business operations into automated engines. By combining Python, n8n, LangChain, and advanced CRM integrations, I create the intelligent middleware needed to bridge the gap when off-the-shelf software won’t talk to internal databases—saving your team from losing hours to repetitive data tasks. ### 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 : ✔ AI Agents & LLM Development & Architecture: AI Agents, Multi-Agent Frameworks (CrewAI, LangGraph, AutoGen), LangChain, LlamaIndex, LLM Fine-Tuning Integration, Prompt Engineering, Function Calling & Tools Usage ✔ LLMs & Vector Infrastructure: OpenAI API (GPT-4o), Anthropic Claude (Claude 3.5 Sonnet), DeepSeek, Pinecone, ChromaDB, Milvus, PGVector, Embedding Models, Semantic Chunking ✔ Workflow & Middleware Automation: n8n (Self-Hosted/Cloud), Make (Integromat), Zapier Enterprise, Custom API Middleware, Webhooks Listener, JSON/XML Data Parsing, Advanced Error Handling, Async Python (Asyncio) ✔ CRM & Enterprise Stack: Zoho Creator & CRM, HubSpot API, Salesforce Development, Pipedrive, GoHighLevel (GHL), Airtable Enterprise, PostgreSQL, MongoDB, Redis (Caching/Queues) ✔ DevOps & Cloud Deployment: Python (FastAPI, Flask), JavaScript (Node.js), Docker & Docker Compose, Git/GitHub, AWS (Lambda, S3, EC2), Linux Server Administration ### 𝗖𝗼𝗿𝗲 𝗖𝗮𝗽𝗮𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀 : ✔ Autonomous Multi-Agent Systems: I design multi-agent frameworks using CrewAI, AutoGen, and LangGraph that collaborate, delegate, and execute complex business logic pipelines automatically. ✔ Enterprise RAG & Semantic Search: I architect advanced Retrieval-Augmented Generation (RAG) pipelines, connecting LLMs securely to your private databases, structured JSON logs, and cloud storage. ✔ Advanced CRM Integration & Custom APIs: I embed custom webhooks, REST APIs, and background listeners directly into tools like Zoho, HubSpot, and Salesforce to sync internal data seamlessly. ✔ Production-Grade Infrastructure: I deploy scalable, error-handled workflows via self-hosted n8n, Make, and cloud environments, complete with comprehensive logging and failure alerts. ### 𝗧𝗵𝗲 𝗩𝗮𝗹𝘂𝗲 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 : ✅ Zero Friction: I map out fragmented, 10-step manual tasks and rebuild them into instant, reliable background processes. ✅ Enterprise Security & Privacy: I prioritize data compliance, building secure AI middleware that safely processes sensitive client or financial records without data leaks. ✅ Resilient Architecture: I write clean, documented code and build automation loops with built-in retry logic, ensuring your systems never quietly break. Let’s turn your operational bottlenecks into automated assets. 📩 Message me to discuss your system architecture.
Anil K. has worked .
$30/hr
100% Job Success
$100K+ earned
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Specialties: SMS,SMS Gateways,Kannel,Jasmin,Bulk SMS Software,SMS Lead Generation Software, Fortumo, Twilio, Plivo,Clickatell, SMPP 3.4 , HTTP REST API,AT Commands, GSM Modules,telecommunication,VOIP,SIP,IVR. Languages: English(Fluent), French(Fluent), Arabic (Fluent) Programming Skills: PHP 5&7, PL/SQL, shell Scripting, Perl Scripting, Java, Oracle/Mysql,Oracle Forms, Oracle Reports, Solaris/Linux Unix, Application Servers, Web services, advanced XML technologies, SOA patterns.
Dawood I.
$35/hr
100% Job Success
$40K+ earned
Available now
Offers consultations
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React Native & Laravel developer with 13+ years building AI-integrated apps, mobile solutions, and secure backend systems for startups and enterprises. Worked with teams at Google, Facebook, and eBay across Finance, Blockchain, Energy, and Telecom. 100% Job Success | Expert-Vetted | Oxford MSc Cyber Security. 📱 MOBILE APP DEVELOPMENT - React Native (iOS & Android), Native iOS, Native Android - Cross-platform apps, app architecture, App Store & Play Store deployment - Push notifications, offline sync, third-party API integration 🤖 AI INTEGRATION - Integrating AI into existing apps — chatbots, GPT & LLM features - Predictive analytics, AI-powered mobile & web apps - OpenAI, Claude, and other LLM API integration ⚙️ BACKEND & FULL-STACK - Laravel, PHP, Node.js, REST API & GraphQL - supabase - Vue.js, React.js, full-stack web applications - AWS, VPS, server architecture, CI/CD, Docker 🔐 SECURITY - Penetration testing (OWASP Top 10), vulnerability assessments - AI Agent security Audit - LLM Security Audit - Web app & API security, security architecture - Smart contract audits, threat modeling ✅ 100% Job Success Score — Expert-Vetted by Upwork ✅ 57 completed projects | 5.0 rating (40+ reviews) ✅ Oxford MSc Cyber Security + Politecnico di Torino BEng (2013) ✅ Avg. response under 4 hours | Available now "Exceptional talent. Collaborated 3+ years. Highly recommended." "Professional, quick, communicative — a pleasure to work with." "Very professional, fast and competent. Highly recommend."
$30/hr
100% Job Success
$4K+ earned
Available now
Offers consultations
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With 𝟭𝟴+ years of experience building scalable web applications, enterprise platforms, and cloud-based solutions. I have helped 𝟏𝟎𝟎+ businesses develop high-performance websites, SaaS platforms, APIs, and cloud infrastructures using modern frameworks and DevOps practices. My expertise covers backend development, frontend frameworks, cloud infrastructure (AWS), and Linux server management, allowing me to deliver complete end-to-end solutions. 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗛𝗮𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗪𝗶𝘁𝗵 ✔ SaaS Platforms ✔ E-commerce Systems ✔ Enterprise Web Applications ✔ FinTech & Payment Integrations ✔ Government Systems ✔ Cloud Infrastructure 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗪𝗶𝘁𝗵 ✔ Custom Web Application Development ✔ Drupal Theme and Custom Development ✔ SaaS Platform Development ✔ API Development & Integration ✔ Enterprise Backend Systems ✔ AWS Cloud Architecture & Deployment ✔ DevOps & CI/CD Implementation ✔ Server Setup & Performance Optimization ✔ Saudi ZATCA E-Invoicing Integration ✔ Bug Fixing, Maintenance & System Optimization 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ✔ PHP Core Development ✔ Laravel Framework ✔ Yii2 Framework ✔ CodeIgniter ✔ Elixir ✔ Phoenix Framework ✔ Java 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ✔ JavaScript ✔ jQuery ✔ AngularJS ✔ React.js ✔ HTML5 / CSS3 ✔ AJAX 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 ✔ MySQL ✔ Aurora ✔ Oracle ✔ DynamoDB 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 (𝗔𝗪𝗦) Experienced with multiple AWS services including ✔ EC2 (Elastic Compute Cloud) ✔ SES (Simple Email Service) ✔ RDS (MySQL, Aurora, Oracle) ✔ S3 & Glacier ✔ Route 53 ✔ IAM Role Management ✔ SNS & SQS ✔ AWS Lambda ✔ ElastiCache 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 & 𝗦𝗲𝗿𝘃𝗲𝗿 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 I also fully manage Linux servers for production environments. ✔ Ubuntu ✔ CentOS ✔ Web hosting setup ✔ Security & performance optimization ✔ Deployment automation 💡 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 ✔ 18+ Years of Development Experience ✔ Strong Communication & Problem Solving ✔ Clean, Scalable, Maintainable Code ✔ DevOps + Development Expertise ✔ Reliable Long-Term Support 📩 If you are looking for a reliable senior developer to build or scale your platform, feel free to reach out. You will get high-quality work and full dedication to your project, In Sha Allah.
Amit K.
$25/hr
98% Job Success
$400K+ earned
Available now
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Next-Gen Software Development Company delivers innovative solutions for SMBs and Enterprises with a proven track record in Product Development, Technology Consulting, and IT Outsourcing. Our Experience Design, Complex Engineering, and Agile Delivery give the best software product for better business outcomes. SERVICE OFFERINGS: - Product Development - Custom Web Development - Enterprise Application - Mobile App Development - Blockchain & Metaverse - BI & Analytics - Generative AI & ML Services - UI/UX Design - Digital Marketing - On-demand Developers & Team TEACHNOLOGY PARTNERSHIP: Alliances with Microsoft, Salesforce, Odoo, SAP, Zoho, AWS, Google, and Hedera have enabled us to co-create high-speed innovation and bring sustainable value to enterprises. TEAM: With 500+ DevOps enabled software professionals and full-stack developers working full-time, they have an average experience of 3 to 20 years. With 15+ years of experience, we have delivered 2500+ projects for more than 1000+ clients located in more than 15 countries. OBJECTIVE: Deliver scalable digital products and software solutions to unlock the power of client-centric intelligent technology that reduces time to market and reimagines cost-takeout initiatives. Create business excellence by staying committed to the core values of generating enterprise value and imbibing the spirit of innovation, forward-thinking, dependability, and integrity with the accountability to drive digital transformation forward. INDUSTRIES: Healthcare & Life science, Travel & Hospitality, Retail & eCommerce, Education & eLearning, Finance & Banking, Manufacturing and Industrial, Logistics & Transportation, Technology, Automotive, Gambling, Aviation, Media & Entertainment, Public Sector, Real Estate, Energy, Agriculture, Consulting, Utilities TECHNOLOGY EXPERIENCE: Open Source: PHP, Python/Django, MEAN / MERN, CGI Perl Microsoft: .NET Core, ASP.NET, SharePoint, Power BI, Azure, C#, VB.NET, Power Apps Mobile: Flutter, React Native, iOS, Android, Swift, Unity, Ionic, Java, Objective-C, C++, jQueryMobile Architecture Patterns: Microservices, Server less, MVC, N-tier, Monolithic ERP & CRM: Salesforce, ODOO, Dynamics365 Business Central / NAV, SAP, Zoho, D365 CRM UI/UX: Photoshop, Adobe XD, Figma, CorelDraw, Fireworks, Dreamweaver, AngularJS, ReactJS, VueJS, Typescript, HTML 5, AJAX, JavaScript, jQuery, Knockout.js, Backbone.js, Frameworks: Laravel, CodeIgniter, Django, Yii, CakePHP, Zend Framework, Symfony, MVC CMS & eCommerce: WordPress, Magento, Shopify, Prestashop, Moodle, Umbraco, BigCommerce, , Zen Cart, NopCommerce, WooCommerce, DotNetNuke Database: MySQL, MariaDB, MSSQL, PostgreSQL, MongoDB, NoSQL, MS Access, Oracle
Flexsin Inc. - Top Rated+ Agency
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Flexsin Inc. - Top Rated+ Agency
$10M+
earned