Yash Pandey

$ cat about.md

I build the CI & build infrastructure that lets large client apps ship fast and reliably — in C++, on Spotify's Platform Engineering team.

• CSE graduate, IIIT Ranchi (2023) — branch rank 4/114, CGPA 9.03/10.
• Maintainer of casbin-cpp; two-time Googler in open source — GSoC '21 & GSoD '22.
• Previously infrastructure at Meta's Reality Labs and Nasdaq.
• Off the clock — a pianist and a YouTuber.

• roleSenior C++ Engineer @ Spotify
• locLondon, UK
• eduIIIT Ranchi · B.Tech (Hons.) CSE
• focusCI & build infra · platform · C++

~/img/yash.jpg

$ ls experience/ --sort=recent

1. Senior Software Engineer · Platform Engineering (CI Experience)

   Jun 2026 – Present

   Spotify · London

   • Building the CI & build infrastructure (C++, Bazel, gRPC) behind Spotify's client apps across Android, iOS, desktop and embedded — improving build reliability, performance and observability.
2. Software Engineer, Infrastructure · Reality Labs E2E Test Execution ★ highlight

   Sep 2025 – Feb 2026

   Meta · London

   • Migrated 100k+ end-to-end tests to Unified APIs (Jest E2E framework) across Reality Labs.
   • Mitigated a $80M+ site incident by fast-reverting regressed config changes.
   • Cut 110+ CI hours/day; enabled Base Revision Retry (−15% UDV, ~$2k/day saved).
   • Shipped guardrail CI signals that flagged 11k+ regressions at diff time, accelerating AI-native E2E test development.
   • Built "AFK Mode" for Claude Code used by 500+ engineers; 96.8% diff coverage; shipped 2 Claude Code plugins / 12 LLM skills.
3. Senior Software Developer

   Oct 2023 – Aug 2025

   Nasdaq · Bangalore

   • Led the BEC (Bolsa Electrónica de Chile) data-migration pipeline, $100M+ DTV (equity).
   • Enabled $500M+ derivative-market entry via migration to Nasdaq's Multi Matching Engine.
   • Built latency/throughput benchmarking tooling for the Universal Matching Engine.
4. Software Development Engineer · prev. SDE Intern

   Feb 2022 – Sep 2023

   Mobile Premier League (MPL) · Bangalore

   • Led a team of 5 devs + 2 QA + SRE to ship Ludo (80M+ downloads).
   • Ludo bot via DFA: >10x retention, −90% match delay; matchmaking at sub-17ms p99, ~10k RPS.
   • gRPC microservices at 93% uptime; automated IAM/Keycloak provisioning (1000x faster onboarding).
5. Open source & internships · GSoC '21 · GSoD '22

   2021 – 2022

   Casbin

   • GSoC '21 Student Developer @ Casbin — modernised casbin-cpp to C++17, 18k+ LOC merged, +37% perf & Python bindings +40%; awarded Best Student Developer.
   • GSoD '22 Technical Writer @ Casbin — improved the authorization documentation.

$ find projects/ -type repo

• casbin-cpp

  C++17 · CMake

  Authorization library (ACL/RBAC/ABAC); maintainer — Python bindings, benchmarking, CTest migration.

  source ↗ contributions ↗

• Phoenix Engine

  C++17 · OpenGL · ImGui

  2D game engine; event-dispatcher API ~50% faster; Premake build.

  source ↗

• tmake

  Go · Cobra

  Template-generator CLI for competitive programming, with full CI/CD.

  source ↗ releases ↗

• CoviSource

  TypeScript · React · GraphQL · Postgres · Docker

  Realtime COVID-resource locator; Google OAuth2 + Maps.

  source ↗

• COVID-19 Simulator

  Python · NumPy · Matplotlib

  Statistical spread visualizer.

  source ↗ live ↗

• House of Geeks

  JavaScript · React · Node · Express · MongoDB

  IIIT Ranchi tech-society site (maintainer).

  live ↗ source ↗

$ echo $SKILLS