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Islamabad, Pakistan · Open to relocation
Jawad Ul Hadi
Backend Lead Engineer / AI-first systems design
Eight-plus years building multi-tenant SaaS backends in NestJS, TypeScript and PostgreSQL. I design AI features to fail predictably: a three-tier fallback of retry, retrieval and a rule-based floor keeps them working through provider outages.
8+
years on production backends
12s → 2s
dashboard response time, an 83% cut
0
user-facing AI failures during LLM outages
99.9%
uptime through live multi-tenant migrations
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Experience
02
Selected work
Client systems are under NDA. Architecture is described without business data or endpoints.
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Stack & credentials
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Education B.S. Computer Science, Government College University, Faisalabad, 2018
Certifications
The ones on my résumé. Each links to the issuer's verification page.
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Projects & open source
Personal builds, public and verifiable.
Public repositories
The Qeloma suite
05
Case study
A full write-up with architecture figures and a failure simulator.
Case study · Resilience pattern
Designing for AI failure
One abstraction sits in front of OpenAI, Gemini and Anthropic. When a provider degrades, requests step down through three tiers instead of surfacing an error. The pattern cut AI integration complexity by 60% and kept users from seeing AI failures during live LLM outages.
Request
Provider gateway
OpenAI · Gemini · Anthropic
Tier 1
Retry & failover
Backoff, then the next provider
Tier 2
RAG fallback
Answer from retrieved context
Tier 3
Rule-based floor
Deterministic, never hard-fails
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Services & contact
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Let's build something resilient together.
Open to Backend Lead, Solutions Architecture and AI Platform roles, remote, hybrid or relocating. Every way to reach me lives on one page.
Contact me on Gravatar ↗