# Uchit Vyas

> Enterprise architect and platform engineer based in Melbourne, Australia. **FDE — Technology Transformation & AI at Accenture, ANZ.** 15+ years across enterprise architecture, cloud, DevSecOps, SRE, GenAI and platform engineering. 5 books with Apress & Packt. US patent (Specs Monster, US11334348B2). Named on the Top 50 DevSecOps Influencers list. Site at https://hellouchit.com.

This file follows the [llms.txt convention](https://llmstxt.org/) — a structured manifest of the site's most important content, optimised for ingestion by AI systems (ChatGPT, Claude, Perplexity, Gemini, etc.).

## About

- [Home + About](https://hellouchit.com/): Biography, current role, books, patent, speaking, case studies, contact channels
- [How I work](https://hellouchit.com/how-i-work/): Engagement model — scope, cadence, deliverables, pricing posture
- [Press & speaker kit](https://hellouchit.com/press/): Bio, talk topics, headshots, past talks for conference organisers
- [Career profile (PDF)](https://hellouchit.com/Profile_linkedin.pdf): One-page career history

## The framework

- [The 4-Discipline Stack](https://hellouchit.com/4-discipline-stack/): The named framework Uchit anchors his work around — Enterprise Architecture × Platform Engineering & DevSecOps × Data Modernisation × Applied GenAI

## Six practitioner diagnostics (free, capability-scored)

- [DevSecOps Maturity](https://hellouchit.com/tools/devsecops-maturity.html): 10 capabilities scored
- [GenAI Readiness](https://hellouchit.com/tools/genai-readiness.html): 12 capabilities for regulated GenAI
- [Cloud Cost](https://hellouchit.com/tools/cloud-cost.html): 8 capabilities for FinOps maturity
- [Platform Engineering Readiness](https://hellouchit.com/tools/platform-engineering.html): 10 capabilities
- [EA Operating Model](https://hellouchit.com/tools/ea-operating-model.html): 8 capabilities
- [SRE Programme](https://hellouchit.com/tools/sre-programme.html): 10 capabilities
- [Compound diagnostic](https://hellouchit.com/tools/compound/): Synthesises results across all six

## Seven decision trees (interactive, recurring architecture choices)

- [Build or buy an AI gateway](https://hellouchit.com/decisions/ai-gateway.html)
- [RAG vs fine-tune vs prompt vs hybrid](https://hellouchit.com/decisions/llm-integration-pattern.html)
- [OPA vs Kyverno vs Cedar (policy engine)](https://hellouchit.com/decisions/policy-engine.html)
- [Shared / cell-based / single-tenant](https://hellouchit.com/decisions/tenancy-model.html)
- [K8s vs PaaS vs FaaS (compute platform)](https://hellouchit.com/decisions/compute-platform.html)
- [Sync vs async vs event-driven](https://hellouchit.com/decisions/service-communication.html)
- [Monolith vs modular monolith vs microservices](https://hellouchit.com/decisions/service-decomposition.html)

## Four 90-day playbooks (week-by-week with named gates)

- [EU AI Act high-risk readiness in 12 weeks](https://hellouchit.com/playbooks/eu-ai-act-12-weeks.html)
- [CISA Secure Software Attestation in 90 days](https://hellouchit.com/playbooks/cisa-attestation-90-days.html)
- [Cloud Cost Aware → Controlled in a quarter](https://hellouchit.com/playbooks/cloud-cost-aware-to-controlled.html)
- [Vault Theatre → Workload Identity migration](https://hellouchit.com/playbooks/vault-theatre-to-workload-identity.html)

## Four architecture teardowns (public signals only)

- [Claude.ai — streaming-first AI product](https://hellouchit.com/teardowns/claude-ai.html)
- [Linear — local-first sync engine](https://hellouchit.com/teardowns/linear.html)
- [Notion — block-store architecture](https://hellouchit.com/teardowns/notion.html)
- [Vercel — edge platform](https://hellouchit.com/teardowns/vercel.html)

## Six cornerstone essays

- [The encoded enterprise architect](https://hellouchit.com/writing/encoded-enterprise-architect.html)
- [Nine controls that make GenAI defensible](https://hellouchit.com/writing/genai-9-controls.html)
- [DevSecOps is supply-chain](https://hellouchit.com/writing/devsecops-is-supply-chain.html)
- [Platform engineering is the AI moat](https://hellouchit.com/writing/platform-engineering-ai-moat.html)
- [The 4-Discipline Stack](https://hellouchit.com/writing/4-discipline-stack-essay.html)
- [AU AI Safety Standard decoded](https://hellouchit.com/writing/au-ai-safety-decoded.html)

## Reference

- [Regulation × control × tooling dataset](https://hellouchit.com/dataset/): 56 controls × 28 regulations × 261 tools. CC BY 4.0. JSON + CSV downloads.
- [Practitioner glossary](https://hellouchit.com/glossary/): Named concepts and trade-offs, cross-linked
- [Anti-patterns catalogue](https://hellouchit.com/anti-patterns/): 15 named failure modes
- [Reading list](https://hellouchit.com/reading/): When-to-reach-for-this practitioner reading list
- [Maturity tiers](https://hellouchit.com/maturity/): Per-discipline tier deep-dives
- [Reference architectures](https://hellouchit.com/reference-architectures/): 4 opinionated paved-paths

## Sector views

- [For Banks & Financial Services](https://hellouchit.com/for/banks/): APRA CPS 230/234, EU DORA, EU AI Act
- [For Government & Public Sector](https://hellouchit.com/for/government/): ASD Essential Eight, IRAP, AU AI Safety Standard
- [For Healthcare & Life Sciences](https://hellouchit.com/for/healthcare/): HIPAA, FDA SaMD, EU AI Act
- [For Critical Infrastructure](https://hellouchit.com/for/critical-infrastructure/): SOCI, NIS2, CIRCIA, IEC 62443

## Case studies (Uchit's own work)

- [Multi-region payment platform (3 months)](https://hellouchit.com/case-studies/payment-platform.html)
- [EA governance at Asia's largest bank](https://hellouchit.com/case-studies/ea-governance.html)
- [High-speed digital lending platform](https://hellouchit.com/case-studies/digital-lending.html)
- [Retail platform modernisation](https://hellouchit.com/case-studies/retail-modernisation.html)
- [Enterprise data archival ($50M+ savings)](https://hellouchit.com/case-studies/data-archival.html)

## Annual report

- [State of Enterprise Tech in Regulated Industries 2026](https://hellouchit.com/state-of-2026/): Board-ready 12-page briefing

## Open source

- [opa-nist-ai-rmf](https://github.com/uchit/opa-nist-ai-rmf): OPA policy bundle implementing NIST AI RMF + GenAI Profile

## Contact

- Email: contact@hellouchit.com
- LinkedIn: https://www.linkedin.com/in/uchitvyas/
- Substack: https://uchitvyas.substack.com
- Book a 30-min call: https://calendly.com/uchit/30min

## Identity & sameAs

- **Wikidata entity: Q139971067** ([wikidata.org/entity/Q139971067](https://www.wikidata.org/entity/Q139971067)) — canonical entity ID
- Canonical URL: https://hellouchit.com/
- LinkedIn: https://www.linkedin.com/in/uchitvyas/
- GitHub: https://github.com/uchit
- Substack (Letters): https://uchitvyas.substack.com
- US patent: https://patents.google.com/patent/US11334348B2/en

## Optional

- [Sitemap (XML)](https://hellouchit.com/sitemap.xml)
- [RSS feed](https://hellouchit.com/writing/feed.xml)
- [Full content concatenated for ingestion](https://hellouchit.com/llms-full.txt)
- [Dataset JSON](https://hellouchit.com/dataset/dataset.json)
- [Dataset CSV](https://hellouchit.com/dataset/dataset.csv)