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Mohamed Mahmoud A.

Kafr Saqr, Egypt

$40/hr
5.0
9 jobs

Repetitive tasks draining your energy and resources? I help startups, SaaS teams, and growing businesses eliminate inefficiency with AI-powered automations, chatbots, and custom integrations. With proven expertise in n8n, Zapier, Make.com, Supabase, LangChain, and OpenAI, I design workflows that save 10–40+ hours per week, reduce costly human errors, and free your team to focus on growth. 💡 What I deliver: End-to-end workflow automations (marketing, CRM, lead gen, reporting). Smart AI-powered assistants & chatbots that scale customer support. Data pipelines & API integrations across SaaS platforms. Clean, documented solutions with error handling + long-term reliability. 🚀 Why work with me: ✔️ Hands-on experience building AI Agents and business automations used daily. ✔️ Clear communication + milestone-based delivery. ✔️ Proven results: automations that save clients 80+ hours/month and cut subscription costs by $500+. ✔️ Post-delivery support & training so your team is empowered. Let’s turn your processes into scalable, intelligent systems that accelerate growth. Send me a message with your workflow challenge, and I’ll propose a tailored solution!

  • API
  • Full-Stack Development
  • Automation
  • Python
  • CRM Automation
  • Airtable
  • AI Development
  • Slack
  • HighLevel
  • n8n
  • Automated Workflow
  • LLM Prompt Engineering
  • Zapier
  • Make.com
  • YouTube Automation
Son V.

Hanoi, Vietnam

$25/hr
4.8
31 jobs

Hello there! I'm Son, a highly skilled Full-Stack Drupal Developer, and I'm excited to collaborate with you on your next web project. With extensive experience and expertise in Drupal, I am fully equipped to turn your ideas into powerful, feature-rich web solutions. Why Choose Me? As your dedicated Drupal expert, I offer a unique blend of skills and a strong commitment to delivering top-notch results: Drupal Mastery: With a profound understanding of Drupal 7, 8, 9, and 10, I can create custom modules, themes, and plugins tailored to meet your specific requirements. User-Centric Approach: I prioritize creating engaging user experiences by ensuring responsive design, intuitive navigation, and captivating interfaces that leave a lasting impression. Agile Collaboration: Proficient in Agile principles and methodologies, I thrive in collaborative environments and maintain open communication throughout the development process. Versatile Tech Stack: From PHP and MySQL to JavaScript, JQuery, and CSS3/HTML5, I leverage a diverse range of technologies to build dynamic and scalable web applications. Seamless Integration: Whether it's REST APIs, JSON, XML, or integrating with third-party services, I excel at incorporating functionalities seamlessly for a cohesive user journey. AWS and DevOps Proficiency: I possess valuable experience in AWS solutions and implement DevOps practices with Docker, Kubernetes, and Jenkins to ensure efficient deployment and continuous integration. Client-Centric Approach Your satisfaction and project success are my primary focus. I take the time to understand your unique needs, allowing me to tailor solutions that align perfectly with your business objectives. Throughout the project, I maintain clear communication, provide regular updates, and incorporate your valuable feedback to create the best possible outcome. Experience + Passion = Outstanding Results With a track record of excellence and a passion for web development, I bring an unparalleled level of dedication to every project. My expertise in Drupal and commitment to coding standards guarantee high-quality, robust, and scalable solutions. Let's Collaborate! I'm enthusiastic about bringing innovation and creativity to your web projects. Whether it's building a Drupal website from scratch, customizing themes, or resolving intricate challenges, I'm eager to help you achieve remarkable digital success. Let's work together to build something extraordinary! Feel free to reach out, and we can discuss your project requirements in detail. Looking forward to partnering with you on this exciting journey. Best regards, Son

  • SCSS
  • Bootstrap
  • jQuery
  • HTML
  • Git
  • JavaScript
  • Docker
  • HTML5
  • CSS
  • Drupal
  • Redis
  • PHP
  • Twig
  • NGINX
  • Apache Solr
Muhammad .

Lahore, Pakistan

$25/hr
5.0
28 jobs

𝐓𝐨𝐩 𝟯% 𝐓𝐚𝐥𝐞𝐧𝐭 on Upwork. A results driven 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟴+ years of experience delivering high performance, scalable and secure web solutions for global clients. I specialize in 𝗗𝗿𝘂𝗽𝗮𝗹 (𝟳–𝟭𝟬), 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀, 𝗦𝗵𝗼𝗽𝗶𝗳𝘆, 𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗥𝗲𝗮𝗰𝘁, 𝗮𝗻𝗱 𝗰𝘂𝘀𝘁𝗼𝗺 𝗖𝗠𝗦/𝗲𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, with a proven track record of enhancing user experience, optimizing workflows, and boosting business growth. 💡𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁: 𝗗𝗿𝘂𝗽𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁: Custom module development, hooks, multilingual/multisite setup, Drupal 7 → 10 migrations, headless CMS, performance optimization, AI-powered content tagging, personalization, and intelligent search. 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁: Theme customization, plugin development, WooCommerce, API integrations, speed & SEO optimization, AI-based product recommendations, automated SEO/content optimization, and customer behavior insights. 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗣𝗿𝗼: Theme development, custom Liquid code, app integrations, store migrations (Drupal/WordPress → Shopify), performance tuning, AI-driven upsells, personalized storefronts, chatbots, and conversion optimization. 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Laravel, RESTful APIs, AI Integration and Automation, Anthropic Claude, OpenAI/LLM integrations, AWS & DigitalOcean deployments. 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗙𝗼𝗰𝘂𝘀: Custom negotiation tools, product configurators, advanced checkout flows, AI-assisted dynamic pricing, recommendations, and smart analytics, AR/Metaverse integration. 𝗣𝗿𝗼𝘃𝗲𝗻 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: ✔Developed 𝟳𝟬+ 𝗺𝘂𝗹𝘁𝗶𝗹𝗶𝗻𝗴𝘂𝗮𝗹 𝗗𝗿𝘂𝗽𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲𝘀 for Bionorica SE. ✔Built 𝗥𝘂𝗹𝗲𝗺𝗮𝗸𝗶𝗻𝗴 𝗣𝗼𝗿𝘁𝗮𝗹 for Colorado Gov (Drupal 9). ✔Migrated Tea Total NZ from Drupal Commerce to Shopify. ✔Created innovative Laravel + React negotiation tool for e-commerce stores. 🌍 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗔𝗰𝗿𝗼𝘀𝘀: UK, UAE, Europe, and North America delivering solutions for enterprises, startups, and government projects. 𝗟𝗲𝘁’𝘀 𝗯𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻 𝘁𝗼 𝗹𝗶𝗳𝗲 whether it’s a high performance CMS, an engaging online store, or a complex integration, I’ll deliver 𝘀𝗲𝗰𝘂𝗿𝗲, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗮𝗻𝗱 𝗳𝘂𝘁𝘂𝗿𝗲 𝗽𝗿𝗼𝗼𝗳 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 that drive results. 𝗟𝗲𝘁'𝘀 𝗰𝗼𝗻𝗻𝗲𝗰𝘁 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗴𝗼𝗮𝗹𝘀. 🔑 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Drupal, WordPress, Shopify, Web Development, CMS, Ecommerce, PHP, HTML, CSS, JavaScript, Liquid, Full Stack Developer, Front End Developer, Back End Developer, Drupal 7, Drupal 8, Drupal 9, Drupal 10, Drupal Site Builder, Drupal Module Development, Drupal Theming, Drush, Acquia, Pantheon, Drupal Commerce, Drupal Migration, WordPress Development, WordPress Theme Development, WordPress Plugin Development, WooCommerce, Elementor, Divi, Beaver Builder, Gutenberg, ACF, WordPress Migration, WordPress Maintenance, WordPress Support, PSD to WordPress, Shopify Theme Development, Shopify App Development, Shopify Store Setup, Shopify Migration, Shopify Expert, Shopify Plus, Shopify Liquid, Shopify SEO, Shopify Maintenance, AI, AI Enhanced Developer, AI Integration, Generative AI, GenAI, OpenAI, ChatGPT API, LLM, Large Language Model, Custom GPTs, AI Chatbot, AI-Powered Web Development, AI Automation, LangChain, AI Content Strategy, AI Personalization, AI-Driven E-commerce, Machine Learning, Predictive Analytics, AI SEO, Shopify Magic, WordPress AI, Drupal AI, Smart Automation, AI Agent, Prompt Engineering for Developers.

  • RESTful API
  • WordPress
  • Shopify
  • Web Design
  • Web Development
  • PHP
  • HTML
  • CSS
  • Shopify Templates
  • Shopify Theme
  • WooCommerce
  • Ecommerce
  • Liquid
  • JavaScript
  • Landing Page
  • Elementor
  • Drupal
  • AI Implementation
  • AI Chatbot
  • Laravel
MD Rifatul I.

Dhaka, Bangladesh

$15/hr
5.0
17 jobs

I help founders, startups, and SaaS businesses turn ideas, MVPs, and AI-generated applications into secure, scalable, production-ready products. Whether you're starting with an idea, validating an MVP, launching a SaaS platform, or improving an application built with tools like Lovable, Bolt, Replit, Base44, Cursor, Claude Code, or GitHub Copilot, I help bridge the gap between a working prototype and a reliable product ready for real users. Many applications work in demos but struggle in production due to security vulnerabilities, scalability bottlenecks, architectural issues, poor integrations, or technical debt. I help identify those risks early, create practical solutions, and build systems that can support business growth. Over the past 12+ years, I have designed and developed SaaS platforms, workflow automation systems, fintech applications, eCommerce solutions, API ecosystems, and business-critical backend systems. My focus is not just writing code. I help businesses make sound technical decisions, reduce implementation risk, improve system reliability, and create software that remains maintainable as products, users, and revenue grow. 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐰𝐢𝐭𝐡: ● Product architecture and technical planning ● MVP assessment and implementation strategy ● AI-generated code review and production hardening ● Security assessments and technical audits ● SaaS backend architecture ● API integrations and workflow automation ● Stripe billing and subscription systems ● Authentication, authorization, and user management ● Scalability and performance optimization ● Production deployment and infrastructure planning ● Technical due diligence for startups and founders What I Do 𝐒𝐚𝐚𝐒 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 ● Laravel and Node.js backend architecture ● Multi-tenant SaaS platforms ● REST APIs and secure backend services ● Event-driven architectures ● Webhook processing systems ● Queue-based and fault-tolerant applications 𝐀𝐏𝐈 𝐈𝐍𝐓𝐄𝐆𝐑𝐀𝐓𝐈𝐎𝐍 & 𝐀𝐔𝐓𝐎𝐌𝐀𝐓𝐈𝐎𝐍 ● Stripe, Twilio, Google APIs, Meta APIs ● OAuth2 and third-party integrations ● CRM and operational automation ● Business workflow automation ● Data synchronization platforms ● Integration architecture and orchestration 𝐀𝐈-𝐏𝐎𝐖𝐄𝐑𝐄𝐃 𝐒𝐘𝐒𝐓𝐄𝐌𝐒 ● OpenAI-powered business workflows ● AI-assisted automation ● OCR and document processing ● Content generation and summarization systems ● AI integrations for SaaS products ● Productionizing AI-generated applications 𝐑𝐄𝐀𝐋 𝐏𝐑𝐎𝐉𝐄𝐂𝐓 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 ● Built backend automation platforms processing 1M+ webhook events per month ● Developed scalable API integration systems connecting multiple business platforms ● Built high-volume queue processing and event-driven systems ● Delivered automation workflows reducing manual business operations ● Built backend platforms supporting SaaS, fintech, eCommerce, and operational products ● Performed architecture reviews, security assessments, and production-readiness evaluations 𝐇𝐎𝐖 𝐈 𝐖𝐎𝐑𝐊 I approach projects as systems, not isolated features. ● Analyze system flows, bottlenecks, and scalability requirements ● Design clean backend architecture for long-term maintainability ● Build reliable APIs, automations, and event-driven workflows ● Focus on stability, performance, and operational reliability ● Deliver solutions that scale with business growth 𝐂𝐎𝐑𝐄 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐈𝐄𝐒 Backend: Laravel, Node.js, NestJS, Express.js, PHP, TypeScript, JavaScript Databases & Infrastructure: PostgreSQL, MySQL, Redis, MongoDB, Supabase Automation & AI: OpenAI, LangChain, n8n, AI workflows, OCR pipelines Integrations: Stripe, Twilio, Webhooks, OAuth2 APIs, Third-Party Services Cloud & DevOps: AWS, Docker, CI/CD, Git, Microservices Frontend (when needed): React.js, Next.js If you're looking for someone who can evaluate your idea, review your existing application, identify technical risks, and build a backend foundation that scales with your business, let's talk. Laravel Developer | PHP Developer | API Integration | REST API | Webhook Development | OAuth2 | Backend Development | SaaS Development | Workflow Automation | Node.js Developer | Express.js | NestJS | PostgreSQL | MySQL | Redis | Queue Systems | Twilio API | Stripe API | OpenAI Integration | CRM Integration | Event-Driven Systems | Docker | AWS

  • PostgreSQL
  • Laravel
  • Node.js
  • API Integration
  • REST API
  • Supabase
  • JavaScript
  • TypeScript
  • NestJS
  • Stripe
  • OAuth
  • SaaS Development
  • API Development
  • AI Implementation
  • Web API
  • React
  • Next.js
  • PHP
  • Web Development
  • MongoDB
Shiraz J.

Riyadh, Saudi Arabia

$6/hr
5.0
7 jobs

🏆 𝐑𝐞𝐜𝐨𝐠𝐧𝐢𝐳𝐞𝐝 𝐢𝐧 𝐭𝐡𝐞 𝐓𝐨𝐩 𝟏% 𝐨𝐟 𝐓𝐚𝐥𝐞𝐧𝐭 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 𝐟𝐨𝐫 𝐀𝐈 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 | 𝟔𝟎+ 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 | 𝟗+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 | 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐈𝐎𝐒 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐀𝐈 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐦𝐞𝐧𝐭 ✅ 60+ Mobile App Development projects successfully delivered ✅ 100% Job Success as a Mobile App Developer ✅ 30+ apps live on App Store & Google Play ✅ AI-powered Mobile App Development using OpenAI I’m a Mobile App Developer with strong experience in Mobile App Development using Flutter, Android, and iOS. As a Top 1% Mobile App Developer on Upwork, I have worked on multiple successful Mobile App Development projects, building apps used by thousands of users worldwide. Your idea could be next. 💡 𝐌𝐲 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 📱 𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 ✔ Full-cycle Mobile App Development (from idea to launch) ✔ Cross-platform Mobile App Development (Flutter, React Native) ✔ Native Mobile App Development (Android & iOS) ✔ AI Mobile App Development & integrations 🛠️ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐈 𝐔𝐬𝐞 𝐢𝐧 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ Mobile App Development: Flutter, Dart, React ✔ AI Mobile App Development: OpenAI API ✔ Backend & API Development: Node.js, Python (FastAPI, Flask, Django), REST API, GraphQL API ✔ Database Management: Firebase, Firestore, SQLite, MySQL, MongoDB ✔ Cloud Integration: Firebase Cloud Functions, AWS, Google Cloud ✔ Tools & Workflow: Git, GitHub, GitLab, Bitbucket, Jira, Trello ✔ UI/UX Design: Figma, Adobe XD, Material Design, Cupertino Widgets 📊 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈’𝐯𝐞 𝐁𝐮𝐢𝐥𝐓 ✔ Ride Instructor Booking Mobile App Development (like Uber) (iOS and Android) ✔ Real Estate Listing Mobile App Development (like Airbnb) ✔ Social Media Mobile App Development (iOS and Android) ✔ Sports Mobile App Development (iOS and Android) ✔ Food Delivery Mobile App Development (iOS and Android) ✔ E-commerce Mobile App Development (iOS and Android) ✔ Freelance Mobile App Development (iOS and Android) ✔ Learning Management Mobile App Development (iOS and Android) ✔ Appointment Booking Mobile App Development (iOS and Android) ✔ Venue Booking Mobile App Development (iOS and Android) ✔ Customer Relationship Management Systems (CRMs) ✔ On-demand Mobile App Development (iOS and Android) 🎯 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 𝐚𝐬 𝐘𝐨𝐮𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫? ✔ Extensive experience in Mobile App Development ✔ Clean, scalable, and production-ready code ✔ Clear communication and timely delivery ✔ Reliable long-term support after development 🤝 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐆𝐞𝐭 1️⃣ A dedicated Mobile App Developer 2️⃣ Expert consultation for your Mobile App Development idea 3️⃣ A smooth and transparent development process 4️⃣ A high-quality product designed for real users 🚀 𝐋𝐞𝐭’𝐬 𝐒𝐭𝐚𝐫𝐭 𝐘𝐨𝐮𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐧𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 If you are looking for a skilled Mobile App Developer for your next Mobile App Development project, feel free to invite me. Let’s build something exceptional together. Highlighted Skills: Flutter, Dart, Flutter Mobile App Developer, Dart Developer, OpenAI API, Full Stack Developer, Back End Developers, API, API Developer, Node.js, Node.js Developer, SQL, App Developer, App, Mobile App Development, Mobile App Developer, Android App Development, Android App Developer, Mobile App, AI Mobile App Development, AI Mobile App Developer, Mobile App Design, Mobile UI Design, Responsive Design, UI/UX Designer, Prototyping, Mobile App UI, Mobile App API, Mobile Application, Mobile Application Developer, Mobile Application Developement, iOS, Android, iOS App, Android App, iOS Application, Flutter iOS, Flutter iOS Android, Hybrid App, Hybrid App Development, Hybrid App Developer, Cross Platform Mobile Development, Cross Platform Mobile Developer, Cross Platform App Developer, Cross Platform App Development, Express.js, RESTful API, Express API, API Integration, Mobile App API Integration, App API Integration, Expert Full Stack Developer, Full Stack Mobile App Developer, Expert Full Stack Mobile App Developer, AI Mobile App, Mobile, Application, Application Development, Application Developer, Application Designer, Application API Integration, Build App, Build Mobile App, Flutter App Developer, iOS App Developer, Cross-Platform Mobile Developer, Machine Learning App Integration, Senior Mobile App Developer, Flutter Mobile App Development, Flutter Developer, Software Designer

  • Back-End Development
  • Mobile App Development
  • Flutter
  • Hybrid App Development
  • Mobile App Redesign
  • AI Mobile App Development
  • Android App Development
  • Android App
  • iOS Development
  • iPhone & iPad Apps
  • Mobile App
  • Mobile App Development Consultation
  • Mobile App Design
  • Website to Mobile App Conversion
  • Mobile App Bug Fix
  • App Development
  • Node.js
  • Supabase
  • Firebase
  • REST API
Hafiz Mian Faraz Mansoor A.

Lahore, Pakistan

$15/hr
4.8
22 jobs

Most freelancers accept your job, agree to your timeline, miss every deadline, deliver half broken features, disappear when bugs appear, and still call it a "successful project." I do the opposite. With 5+ years building full stack systems, I've shipped multi role dashboards, AI powered applications, and operational SaaS platforms, from robust web applications to advanced AI driven chatbots. I frequently work with MVP builds and early stage startups, ensuring the product is built on a solid technical foundation that scales as the business grows. I'm equally comfortable jumping into existing codebases, quickly understanding what's already built and extending, fixing, or scaling it without disrupting what already works. Whether it's frontend or backend, I work end to end as a full stack developer. I've also completed a Bachelor's in Computer Science. Recent wins: Delivered a $2,850 UI dev project with continuous high-quality work and on-time delivery. Tech Stacks and Expertise: Frontend: React.js, Next.js, HTML5, CSS3, JavaScript, TypeScript Backend: Node.js, Express, NestJS Databases: MongoDB, MySQL, PostgreSQL, Firebase, Supabase, NeonDB, DynamoDB AI & Tools: Vercel AI SDK, OpenRouter, Groq API, Claude API, RAG pipelines using LlamaIndex with Supabase pgvector vector database Let's connect Whether you need a full stack developer, AI agent, MVP or SaaS ERP CRM solution, or custom API automation, I'll deliver a solution that's future proof, scalable, and tailored to your business.

  • Back-End Development
  • PostgreSQL
  • React
  • TypeScript
  • Web Development
  • Web Application
  • Full-Stack Development
  • Agile Software Development
  • Next.js
  • Node.js
  • Supabase
  • API Integration
  • REST API
  • Front-End Development
  • Vercel

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Resources to help you hire

Cost to hire a Back-End Developer

Cost to hire a Back-End Developer

Explore typical Back-End Developer rates and what businesses pay to hire top talent.

Back-End Developer job description template

Back-End Developer job description template

Get tips to write a job post that attracts qualified Back-End Developers.

Back-End Developer interview questions

Back-End Developer interview questions

Top interview questions to help you hire the right Back-End Developers, faster.

Back-end developer hiring guide

Hiring a skilled back-end developer is like securing a master architect for your digital infrastructure; they ensure a solid foundation so the application functions reliably. These experts build server-side logic, manage databases, and create APIs that allow the user-facing side to exist. Whether scaling a high-traffic platform or integrating third-party services, finding a back-end developer who understands server architecture and security is critical for long-term stability.

What does a back-end developer do?

Back-end developers build and maintain the server-side infrastructure powering web and mobile applications, handling the logic, database interactions, and APIs users rely on but rarely notice. Their primary responsibility is ensuring data requested by the front end is delivered accurately, securely, and quickly. This involves writing efficient code in server-side languages like Python, Java, Ruby, or Node.js to manage data exchange between the server and users' browsers.

Beyond writing code, these developers may have other responsibilities such as:

  • Database management and optimization, ensuring that data storage systems like PostgreSQL, MongoDB, or MySQL are structured efficiently and can scale as the application grows

  • Design and implementation of APIs (RESTful or GraphQL) to allow different software components to communicate

  • Rigorous application of security protocols to protect sensitive information from breaches

  • Close collaboration with front-end teams and DevOps engineers to troubleshoot performance bottlenecks and manage cloud infrastructure on platforms like AWS or Azure

How to hire a back-end developer on Upwork

Finding the right back-end developer on Upwork takes four straightforward steps, from defining your technical needs to onboarding your expert.

Step 1: Craft a targeted job post

A well-crafted job post serves as your first filter, attracting qualified back-end developers while discouraging mismatched applicants.

  • Write a clear, detailed job post that outlines your project goals, required technical skills, and expected deliverables.

  • Specify whether you need API development, database optimization, or a full system build, and mention if this is a new build, migration, or maintenance work.

  • Specify the exact stack (e.g., Node.js with MongoDB, or Python with PostgreSQL) and any cloud platforms the developer must know.

  • Reference our back-end developer job description template for outlining technical requirements.

To streamline this step, use the Job Post Generator powered by Uma™, Upwork’s Mindful AI, to draft a customizable back-end developer job post for your review

Step 2: Filter and evaluate candidates

A structured evaluation approach helps you identify developers whose experience best aligns with your project's technical demands.

  • Systematically assess past performance and validate technical experience, looking beyond the proposal text to verify practical experience with your specific tech stack.

  • Use Upwork's Best Match insights powered by Uma to analyze proposals against your job requirements.

  • Filter by expertise level and location.

  • Review portfolios and past client feedback, and examine their portfolio for back-end systems similar to yours.

  • Look for a high Job Success Score and Top Rated, Top Rated Plus, or Expert-Vetted badges to identify talent with proven performance.

Step 3: Interview your top choices

The interview stage reveals how candidates approach technical challenges and whether their communication style supports effective collaboration.

  • Use direct conversation to gauge problem-solving logic and the ability to communicate complex technical concepts.

  • Reference our back-end developer interview questions guide to ask targeted questions like, "Explain your approach to database schema design for a high-traffic application."

  • For Node.js specialists, consider Node.js-specific interview questions. Include database-specific interview questions to evaluate optimization capabilities.

  • Prompt them with scenario-based questions, such as walking through how they would debug a slow API endpoint. 

  • Conduct interviews within Upwork Messages, utilizing Uma's AI-generated transcripts.

Step 4: Agree on scope and begin work

Defining project parameters in a mutually agreed contract before development begins protects both parties and creates accountability throughout the engagement.

  • Establish a structured framework for deliverables and communication protocols to prevent misunderstandings.

  • Choose between fixed-price or hourly models based on your project needs, set milestones for larger tasks, and define clear deadlines.

  • Break large back-end builds into phases (e.g., database schema design, API setup, security audit) and agree on required technical documentation.

  • Set expectations for regular check-ins.

  • Upwork's contract workroom for milestone tracking and secure payment protection.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a back-end developer cost?

On Upwork, costs for hiring back-end developers are generally $20-$40 per hour. Rates often vary based on project complexity, tech stack requirements, and developer experience. 

Below are typical project costs for back-end development jobs commonly found on Upwork:

Basic integration or setup

$500-$1,500 /project

Entry-level to mid-level
  • Single API integration
  • Basic database setup
  • Bug fixes

Standard application back-end development

$3,000-$8,000 /project

Mid-level to senior-level
  • RESTful API development
  • Database architecture
  • Server configuration

Complex or custom solution

$8,000+ /project

Senior-level or specialist
  • Microservices architecture
  • Custom integrations
  • Scalability planning

Ongoing maintenance and support

$2,000-$6,000 /month

Mid-level to senior-level
  • Performance monitoring
  • Security updates
  • Feature additions

Enterprise architecture consulting

$10,000+ /project

Expert-level
  • System design
  • Technology stack planning
  • Strategic technical roadmap


FAQs about back-end developers

Frequently asked questions

Is hiring a back-end developer worth it?

Yes, hiring a professional back-end developer is worth the investment when your application requires custom functionality, secure data handling, or scalability that off-the-shelf builders can’t provide. Attempting to do DIY back-end development without special expertise often leads to technical debt that costs substantially more to fix later.

If you’re building anything beyond a static website, such as user authentication systems, complex database interactions, or third-party API integrations, a back-end developer is essential.

What’s the difference between a back-end developer and a full-stack developer?

A back-end developer specializes exclusively in server-side development, databases, and APIs, while a full-stack developer handles both back-end and front-end development. Hire a back-end specialist when you need deep expertise in server architecture, database optimization, or API design for complex systems.

Do I need a back-end developer or a back-end engineer?

You can generally use the terms back-end developer and back-end engineer interchangeably, though the reference to engineer sometimes implies more systems-level work or DevOps responsibilities. On Upwork, search for either title and filter by specific skills, such as API development, database architecture, or cloud infrastructure management. Focus on technical requirements rather than job title.

What technologies should a back-end developer know?

Back-end developers should be proficient in at least one server-side language such as Python, Java, Node.js, Ruby, or PHP, and have strong experience with database management systems like MySQL, PostgreSQL, or MongoDB. They should also understand API design (REST or GraphQL), version control tools like Git, and cloud infrastructure concepts.


How long does it take to hire a back-end developer on Upwork?

Depending on your job post clarity, you can receive proposals from back-end developers within 24 hours. The interview process typically takes one to five days. Many clients select a candidate and begin work within a week, though finding a specialist for complex enterprise roles may take longer.

Can I hire a back-end developer for a short-term project?

Yes, Upwork offers flexible engagement options for short-term needs for back-end developers, such as specific API integrations, bug fixes, or performance audits. Structure these as fixed-price contracts with clear deliverables or hourly contracts for a set period.