Co-founder, Principal Engineer
Bilal Khursheed
Upwork Top Rated Plus full-stack engineer with more than six years building web, SaaS and AI products. He leads architecture and the engineering team at CodeBaxh.
Role
What Bilal is responsible for.
- Leads the engineering team in Islamabad.
- Owns architecture, technical decisions and code quality across web, mobile, backend and AI.
- Sets engineering standards for review, testing, security and release.
- Stays hands-on in the critical parts of every build.
Expertise
Where Bilal goes deep.
- Full-stack web development
- Multi-tenant SaaS architecture
- Next.js and React
- Node.js and Python backends
- React Native mobile apps
- RAG and LLM integration
- AI agents
- Stripe and payment integration
Writing
Articles by Bilal.
47 guides on the CodeBaxh blog.
- AI readiness assessment: a checklist before you build
- How AI call analysis works for sales and support teams
- Choosing a payment gateway: Stripe, PayPal, Adyen and more
- How to evaluate a RAG system: metrics and regression tests
- Agentic AI workflows: tools, planning and approval gates
- A QA and testing strategy for startups
- Enterprise software development: what makes it different
- How long does it take to build a website?
- How long does it take to build a mobile app?
- How long does it take to integrate Stripe?
- AI agents vs RPA: which should automate your workflow?
- How much does it cost to build an AI agent?
- How long does it take to build an AI agent?
- How much does a custom API integration cost?
- How long does it take to build an AI chatbot?
- 12 questions to ask before hiring a software development agency
- Supabase vs Firebase: which backend should your app use?
- Web app, mobile app, or PWA: which should you build first?
- Prompt engineering vs fine-tuning vs RAG: which do you need?
- How to estimate and cut your LLM API costs
- Answer Engine Optimization (AEO): how to get cited by AI search
- PostgreSQL vs MongoDB: which database should your SaaS use?
- How much does it cost to build an AI chatbot?
- React Native vs Flutter for startups (2026)
- How long does it take to build a SaaS MVP?
- OpenAI vs Anthropic Claude: which LLM for your product?
- Next.js vs React: when you actually need Next.js
- How much does it cost to build a mobile app?
- AI agents vs chatbots vs RAG: what your business needs
- How to build a multi-tenant SaaS architecture
- Stripe vs Paddle vs Lemon Squeezy for SaaS billing
- Building a RAG pipeline with OpenAI and Anthropic
- REST vs GraphQL: which API should your product use?
- Headless CMS for Next.js: Strapi vs Sanity vs Contentful
- How much does it cost to build a SaaS product?
- Next.js SEO checklist: how to make your site rank
- The SaaS tech stack we use in 2026 — and why
- SSR vs SSG vs ISR in Next.js — which to use
- How to add AI features to an existing app
- Agency vs freelancer vs in-house: how to build your product
- Where to host your SaaS: AWS vs Vercel vs Render
- How much does a custom website cost in 2026?
- SaaS MVP feature checklist: what to build (and skip)
- How to add subscription billing to your SaaS with Stripe
- Authentication and RBAC in a multi-tenant SaaS
- How to build an AI customer support chatbot with RAG
- How to reduce LLM hallucinations in production
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