Senior Team Lead · Identity & Security · Noida, India
Senior Team Lead at Thales building identity & access management systems. 13+ years across Java/Spring, AWS, and security protocols (OAuth2, OIDC, SAML, ForgeRock, Keycloak). I like quiet systems that just work.
Experience
Jan 2023 — Present
Leading identity & security workstreams in Noida — designing IAM platforms, hardening protocol implementations, and mentoring the team across Java/Spring services.
Feb 2021 — Jan 2023
Architected microservice platforms and OpenStack-based deployments. Designed end-to-end solutions across backend services, security, and cloud infrastructure.
May 2019 — Feb 2021
Built Identity Providers and brokers across multiple security protocols (OAuth2, OIDC, SAML). Worked closely with customers to configure SSO/SAML against their IdPs.
Apr 2018 — May 2019
Migrated a Django monolith into microservices for a high-traffic social audio platform serving rural India. Tuned existing services for scale.
Sep 2015 — Mar 2018
Full-stack development across Spring Boot, Spring Cloud, and Angular for hotel booking, insurance, and legaltech products. Owned features end-to-end from requirements to production.
Feb 2014 — Apr 2015
Drove design and engineering quality across early-stage products. Established practices for repeatable delivery on a small team.
Jan 2013 — Feb 2014
First role. Built JSP front-ends, learned the JVM stack, and shipped maintenance fixes across legacy applications.
Stack
Selected work
Full-stack hotel booking OTA with real-time vendor quotes, payment & SMS gateway, channel manager integration. Uber-style data calls between guest and hotelier for current-day inventory.
Social audio platform for low-literacy rural communities — record via IVR or Android, share, like, comment. Microservice backend serving large user base across India.
Cloud-native insurance broking portal. Twelve-Factor microservices with circuit breakers, intelligent routing, and horizontal autoscaling.
Subscription-based Internet Booking Engine for travel agents — multi-tenant ticketing across train/bus/flight with custom domains, themes, and third-party SMS/email/payment integrations.
Writing
Learn how RFC 9126 Pushed Authorization Requests (PAR) improve OAuth 2.0 security by moving authorization request parameters off the URL, reducing exposure and improving performance.
Part 5 · OAuth 2.0 RFCs Every Engineer Should ReadLearn how RFC 8628 allows devices lacking browser capabilities to securely authenticate via user codes and polling, a critical pattern for IoT and CLI tools.
Part 3 · OAuth 2.0 RFCs Every Engineer Should ReadLearn how RFC 7636 introduces PKCE to secure OAuth 2.0 authorization code flows against interception attacks on public clients.
Part 2 · OAuth 2.0 RFCs Every Engineer Should ReadElsewhere
Reach me directly at me@ashishsrivastav.com.
