Shazia K.
Full Stack Developer & AI Developer | SaaS, Java & Automation Expert
🚀 Full stack developer and AI developer. I build SaaS platforms, APIs and AI automation that hold up in production. You need software that solves a real problem and is built right the first time, by someone who understands your business and not just your stack. I work directly with you, from idea to launch, so you always know who is building your product and where it stands. 💼 What I can build for you 🧩 SaaS platforms and web applications: Java, Spring Boot, React, Node.js, TypeScript and PostgreSQL, with user authentication, subscription billing, admin dashboards and multi-tenant architecture 🤖 AI development: AI agents, chatbots, LLM integration (OpenAI, Claude), RAG pipelines, document AI and AI built into real business workflows ⚙️ Workflow and business automation: n8n, Zapier, Make, CRM automation, data extraction, reporting and onboarding automation 🔌 API development and integration: REST APIs, third-party integrations, webhooks and payment gateways such as Stripe 💡 MVP and product development: taking an idea from concept to a working, launch-ready product 🛠️ Prototype to production: apps started in Lovable, Bolt or Claude Code that need proper security, authentication and deployment 🔄 Legacy modernization: upgrading older Java and web systems into clean, maintainable, scalable ones 🤝 How I work ✅ Clear scope and timeline before I start ✅ Regular progress updates, with no disappearing mid-project ✅ Clean, documented, maintainable code ✅ Honest advice, including telling you when a simpler solution will do 🎯 Good fit if you are A startup founder who needs an MVP or SaaS product built A business that wants to automate repetitive manual work A team that wants AI added to an existing product or workflow Someone who needs a reliable developer for ongoing work 📩 If you have a product to build, a process to automate or an AI idea to ship, send me a message with a short description and let’s talk.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $28k
Billed in all: $38,694$39k
$5.6k in the last 6 months
Across 8 contracts
Earnings, last 30 days
Skill rankings: Top 2% in REST API
Ranked by MRR among everyone on Upwork with the skill.
- #16LLM Agent Development242 freelancers · 🇵🇰 #5Top 7%🇵🇰#5 of 91
- #72Spring Boot2,150 freelancers · 🇵🇰 #4Top 3%🇵🇰#4 of 229
- #117REST API5,062 freelancers · 🇵🇰 #23Top 2%🇵🇰#23 of 1,277
- #117Software Development2,923 freelancers · 🇵🇰 #8Top 4%🇵🇰#8 of 387
- #223AI Chatbot6,841 freelancers · 🇵🇰 #63Top 3%🇵🇰#63 of 2,255
- #223SaaS Development5,201 freelancers · 🇵🇰 #76Top 4%🇵🇰#76 of 1,905
- #224n8n7,797 freelancers · 🇵🇰 #64Top 3%🇵🇰#64 of 2,267
- #237Java8,313 freelancers · 🇵🇰 #9Top 3%🇵🇰#9 of 888