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jot-singh/README.md

Hey there ๐Ÿ‘‹ I'm Sarbjot

version :2025 ย  profile countย  GitHub followersย  build: platform mindset


๐Ÿ‘จ๐Ÿปโ€๐Ÿ’ป About Me

Iโ€™m a Staff-level Backend & Platform Engineer with 9+ years of experience building secure, scalable, and business-critical systems across fintech and global payments platforms.

My work sits behind APIs, identity layers, and platforms that other teams depend on. Over the years, Iโ€™ve grown from delivering backend features to owning platform architecture, particularly in Identity & Access Management (IAM), cloud-native systems, and payment-grade services where correctness and security are non-negotiable.

I care deeply about:

  • Designing systems that scale across teams, not just services
  • Making secure defaults the easiest path
  • Reducing onboarding friction through platform automation
  • Building systems that are boring to operate โ€” because they just work

Currently, I work at Visa, leading IAM platform initiatives and GenAI-powered automation to accelerate product onboarding while maintaining enterprise-grade security.


๐Ÿ” What I Work On

  • Identity & Access Management (IAM) platforms
  • OAuth2, delegated authorization, passkeys & FIDO authentication
  • Secure, high-throughput backend services
  • Metadata-driven and runtime-configurable architectures
  • Platform enablement for multi-product ecosystems

๐Ÿš€ Platform Impact (Selected)

  • 80โ€“90% faster onboarding via GenAI-powered IAM automation
  • 75% reduction in time-to-market through a next-gen IAM Metadata Platform
  • 25% infrastructure cost savings by centralizing IAM and automating PaaS workflows
  • 10+ products onboarded in under a quarter using platform-led enablement

I focus on leverage โ€” solving problems once at the platform level instead of repeatedly at the product level.


๐Ÿงช Recent Developments

GenAI-Powered IAM Automation
Built a GenAI-driven system that converts plain English requirements into IAM configurations, enabling true self-service onboarding while eliminating manual configuration errors.

IAM Metadata Platform (Runtime Configuration)
Designed a metadata-driven IAM platform that decouples configuration from deployment. This removed tight coupling between services and enabled runtime changes without redeployments.

GenAI L1 Support Agent
Architected a RAG-based L1 support agent that auto-processes inbound support emails, generates enriched JIRA tickets, recommends resolutions for recurring issues, and attaches diagnostics such as logs and snapshotsโ€”significantly reducing operational toil.

Delegated & Biometric Authorization Foundations
Enhanced IAM flows with FIDO-based biometric authentication, laying the groundwork for delegated authorization and agent-driven workflows in future payment systems.


๐Ÿง  How I Think About Software

  • Platforms should make the right thing easy by default
  • Security and reliability are design choices, not add-ons
  • Metadata scales better than hard-coded logic
  • If a system needs constant heroics, the design isnโ€™t finished
  • The best platforms quietly enable teams to move faster

๐Ÿ› ๏ธ Technical Expertise

Core Language

  • Java (Primary) โ€” enterprise-grade backend development

Backend & Distributed Systems

  • Spring Boot, REST APIs, Microservices
  • Multithreading & concurrency
  • JPA, Hibernate
  • MongoDB, MySQL

Security & IAM

  • OAuth2 & delegated authorization
  • Identity & Access Management
  • Passkeys & FIDO authentication

Cloud & DevOps

  • AWS
  • Docker & Kubernetes
  • CI/CD pipelines (Jenkins)
  • Git-based workflows

GenAI & Automation

  • RAG-based systems
  • OpenAI & Claude integrations
  • Copilot Studio
  • AI-assisted platform automation

๐Ÿ“š Education & Continuous Learning

  • M.S. in Computer Science Engineering โ€” Distributed systems & platform engineering
  • PG Certification โ€” AI/ML & Generative AI
  • B.Tech in Computer Science Engineering

I continuously invest in systems design, AI-assisted engineering, and platform thinking.


๐Ÿ“ซ How to Reach Me

Gmail ย 

๐Ÿ“ Bengaluru, India


If you enjoy clean backend systems, thoughtful platform design, and long conversations about trade-offs โ€” weโ€™ll get along.

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