# Hire a Senior AI Software Engineer & Full Stack Developer URL: https://byshahid.com/hire/ Author: Muhammad Shahid, Senior AI Software Engineer & Full Stack Developer (https://byshahid.com/) I build AI agents, Node.js backends and SwiftUI apps for startups and product teams, end to end, and I am available to work remotely with teams in the US, Israel and Europe. **Quick answer:** I am Muhammad Shahid, a Senior AI Software Engineer and Full Stack Developer with 5+ years in production. I have built backends behind a $185M private sale and 300M+ users, scaled an app backend from 200K to 1M+ users, and published 8 apps of my own on the App Store. I take freelance projects and remote roles. ## Services - [Hire an agentic AI engineer and AI agent developer](https://byshahid.com/hire/ai-agent-developer/): AI agents, RAG systems and LLM features that work in production, with the backend they run on. - [Forward deployed AI engineer for your product](https://byshahid.com/hire/forward-deployed-ai-engineer/): You will get a forward deployed engineer to build and ship AI agents in your product. - [WhatsApp and Telegram AI bot for customer support and sales](https://byshahid.com/hire/whatsapp-telegram-ai-bot/): You will get a WhatsApp or Telegram AI bot for customer support and sales. - [Hire an agentic AI full stack developer](https://byshahid.com/hire/ai-full-stack-developer/): One developer for the whole AI product: front end, backend, AI features and deployment. - [Hire a Node.js backend developer](https://byshahid.com/hire/nodejs-backend-developer/): Node.js APIs that stay fast under load, performance rescues, and Web3 backends. - [Hire a SwiftUI iOS and Mac app developer](https://byshahid.com/hire/ios-app-developer/): iPhone, iPad and Mac apps in SwiftUI, from idea to the App Store, with the backend behind them. - [Hire an n8n expert and AI automation engineer](https://byshahid.com/hire/n8n-ai-automation-expert/): n8n workflows and AI automations that move data between your tools and remove repetitive work. - [Hire an AI integration engineer](https://byshahid.com/hire/ai-integration-engineer/): AI features added to your existing product: OpenAI and Claude APIs inside your backend and app. - [Custom AI chatbot development with RAG](https://byshahid.com/hire/custom-ai-chatbot-developer/): Custom AI chatbots for your website and internal docs that answer from your own content with RAG. - [Hire an MCP server developer](https://byshahid.com/hire/mcp-server-developer/): MCP servers that connect Claude, ChatGPT and AI agents to your own APIs, data and tools. ## Why teams hire me - **Proven at scale:** DOP (300M+ users, $185M private sale), CV Maker (200K to 1M+ users, about 60% faster APIs), TheCryptoBasic (2M+ users) and Tomi (1M+ users). - **One person, end to end:** The AI layer, the backend, the app and the release. You talk to the person who writes the code. - **Your time zone:** Israel is 2 to 3 hours behind Pakistan, so our working days almost fully overlap. For US teams I keep hours that overlap your morning. - **QA built in:** I started as an SQA engineer, so every release is tested, monitored and handed over with documentation. ## How a project works 1. **Scope call.** We talk through the goal, the current state of the product and what success looks like. 2. **Written plan.** You get fixed milestones, delivery dates and a clear price before any work starts. 3. **Build in small pieces.** I ship in small steps with regular progress updates, so you always see what is built. 4. **Tested delivery.** Delivery includes tests, documentation, handover and free support afterwards if something breaks. ## Ways to work together - **Fixed milestones:** Best for new products and features: a fixed scope and price per milestone. - **Hourly:** Best for bug fixes, performance audits and small changes. - **Remote role:** Full-time or part-time as an AI Engineer, LLM Engineer or Senior Backend Engineer, remote or hybrid. ## Frequently asked questions ### Are you available for new projects? Yes. I am available for freelance projects and for remote AI Engineer, LLM Engineer and senior backend roles. ### Do you work with clients in the US and Israel? Yes. I work remotely. Israel is only 2 to 3 hours behind Pakistan, so our working days almost fully overlap, and for US teams I keep hours that overlap your morning. ### How much do you charge? It depends on the scope. Small fixes and audits work hourly; full builds work better on fixed milestones. Send me the details and you get a clear number back, not a vague estimate. ### Can I hire you through Upwork? Yes. You can hire me on Upwork, or contact me directly on WhatsApp or by email. ### What should I send you for a quote? What you want built or fixed, the current state of the product or code, your deadline and your budget range. The more detail, the more accurate the quote. ### Do you support the project after delivery? Yes. Delivery includes documentation and handover, plus free support afterwards if something breaks. ### What can you build for me? AI agents, RAG and LLM features, Node.js backends, full-stack AI products, WhatsApp and Telegram bots, and SwiftUI apps. Each has its own service page here with examples. ### Can I see examples of your work? Yes. Each service page lists case studies, the engineering articles explain how I solved real problems, and my 8 apps are on the App Store. ### Can we start with a small task? Yes. Small fixes and audits work hourly, so you can see how I work before a larger build. ### Will I work with you directly? Yes. You deal with me from the first message to delivery, with no hand-off between sales, project managers and developers. ## Tell me what you want to build Send the details on WhatsApp or by email: what you need, where the project is now, your deadline and budget range. You get a clear plan and price back, usually within 24 hours. WhatsApp +92 321 7815799 · contacttoshahidkhan@gmail.com · Upwork: https://www.upwork.com/freelancers/~014a63f2391f4f4bce