Full-stack and AI engineering services Five ways to work together.
Faizan Amir is a senior full-stack and AI engineer building production systems for teams in the US, UK, Middle East and Europe. Each service below is backed by at least one detailed case study.
- [01]
AI engineering
RAG pipelines, agentic workflows and LLM features for production: retrieval that keeps document structure, evaluation before tuning, humans in the loop.
AI ENGINEERING DETAIL →PythonLangChainLangGraphOpenAIGeminiPostgreSQL + pgvector - [02]
Next.js development
Next.js and React front ends for products with roles, sessions and money in them. App Router, TypeScript, Redux Toolkit and RTK Query.
NEXT.JS DEVELOPMENT DETAIL →Next.jsReactTypeScriptRedux ToolkitRTK QueryZod - [03]
API & backend development
REST and GraphQL APIs, data models and integrations built to be operated: explicit lifecycles, reconciled payments, migrations without downtime.
API & BACKEND DEVELOPMENT DETAIL →Node.jsExpressTypeScriptPostgreSQLMongoDBMongoose - [04]
SaaS MVP development
Full-stack SaaS builds from empty repository to paying users: auth, data model, billing, media, deployment and the instrumentation to prove it worked.
SAAS MVP DEVELOPMENT DETAIL →Next.jsTypeScriptNode.jsPostgreSQLMongoDBStripe - [05]
E-commerce engineering
Storefronts, checkout and settlement built for the cases that lose money: duplicate webhooks, out-of-order events, refunds and subscriptions.
E-COMMERCE ENGINEERING DETAIL →Next.jsExpress 5MongoDBPayload CMSStripeRedux Toolkit
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