Zain A.
Custom Software & AI | React, Node, Python | AWS/GCP/Azure
Great software starts with a problem worth solving, and a developer who gets your business, not just your codebase. I'm Zain, a full-stack software developer specializing in custom software development, SaaS platforms, and AI integration. The people who hire me usually fall into three groups: • Founders without a technical background who have a clear product vision and need an MVP built properly • CTOs and engineering leads who need extra senior capacity without growing the team • Operators whose day-to-day runs on messy processes that no off-the-shelf tool can untangle My work spans healthcare, fintech, construction, legal, and real estate, including regulated environments where compliance isn't a nice-to-have and mistakes carry real cost. Whether it's a product that exists only as an idea, an in-house team running past capacity, or operations that generic software can't handle, I've shipped solutions for each of these situations many times over. What I build: • Custom software and SaaS products designed to scale from day one • AI configured into actual business workflows: LLM integration, RAG pipelines, AI chatbots, AI agents • Web application development and mobile app development • Cloud infrastructure and DevOps across AWS, GCP, and Azure • Full-stack engineering with React, Next.js, Node.js, Python, and TypeScript The feedback I hear most often: I take the time to understand the problem, I ship what was agreed, and clients don't need to chase me for updates. If you know that cutting corners on the first build ends up costing double, and you want software done properly, we'll work well together. Send me a message and let's talk. Services: Custom software development SaaS development Enterprise software Web application development Mobile app development Full-stack development Systems integration Workflow automation Business process automation Product development - MVP build Platform Modernisation - rebuild API development - API integration Backend development Frontend development AI integration AI automation AI development LLM integration RAG (Retrieval-Augmented Generation) AI chatbot development Document AI AI-powered workflows Prompt engineering AI agents Data extraction automation React Next.js Node.js Python TypeScript JavaScript REST APIs GraphQL PostgreSQL AWS Google Cloud (GCP) Microsoft Azure Vercel CI/CD Cloud / DevOps Docker Terraform Cloud architecture Infrastructure as code DevOps Deployment automation Fintech Software - PCI Operations platform Internal tools CRM/ERP custom build Security best practices Compliance-ready systems Audit-friendly systems RBAC (Role-based access control) Data pipelines Dashboards & reporting Process digitization Scalability - performance optimisation Reliability engineering Monitoring - observability HIPAA compliance - healthcare software Tool consolidation Onboarding automation
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.7k
Billed in all: $14,907$15k
$1.9k in the last 6 months
Across 16 contracts
Earnings, last 30 days
Skill rankings: Top 13% in Bug Fix
Ranked by MRR among everyone on Upwork with the skill.
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