Resume

Siming Song

Engineering leader with 11+ years at Meta building user-facing platforms and products at scale across messaging, social, and advertising.

San Francisco Bay Area

LinkedIn

Profile

Engineering leader with 11+ years at Meta building user-facing platforms and products at scale across messaging, social, and advertising. Led teams of 12+ engineers through complex multi-team launches while maintaining hands-on full-stack technical depth. Proven track record of shipping zero-to-one features, driving platform consolidation, and developing high-performing engineering teams with top-tier satisfaction and retention.

Experience

Meta

Full-time · 11+ yrs

Software Engineering Manager · Cross-Platform Messaging & Identity
Jan 2022 – Present

Supported a team building cross-platform messaging and user identity infrastructure, enabling seamless communication and profile experiences across Meta’s Family of Apps (WhatsApp, Instagram, Messenger, and Facebook) on multiple device platforms.

  • Delivered simultaneous launch across 4 communication providers on 2 platforms — the first multi-provider launch of its kind at Meta; drove platform consolidation that unified parallel solutions into a single codebase
  • Achieved major gains in application reliability, startup performance (31x improvement), and memory optimization
  • Grew 3 engineers to staff level; achieved 99th-percentile manager satisfaction score

Software Engineering Manager · Content Creation & Expression Platform
Nov 2019 – Jan 2022

Managed a team of 8 engineers building cross-platform content creation and self-expression tools, enabling users and businesses to create, publish, and manage content across Facebook, Instagram, Stories, and Reels.

  • Delivered a unified creation experience on mobile and web — the single surface for all organic and paid content — on time through alpha, beta, and production rollout
  • Contributed hands-on as a product owner — designed core architecture, wrote code (top 5 contributor in org), and championed user-facing improvements into the roadmap
  • Doubled team size through recruiting; mentored engineers across 3 teams and supported multiple promotions

Software Engineer · Tech Lead, Ads & Monetization
Apr 2015 – Nov 2019

Technical lead for monetization and user-facing ad creation teams. Full-stack contributor across iOS, Android, web, backend APIs, data pipelines, and ads infrastructure.

  • Led team that exceeded revenue targets by 38%; launched zero-to-one ad products (Job Ads in Marketplace) that opened entirely new domains
  • Built metric pipelines, dashboards, and an experimentation framework adopted across the org
  • Recognized as a top bootcamp mentor company-wide; mentored engineers across multiple teams

Software Engineering Intern
Summer 2014

IBM

Jul 2010 – Oct 2010 · Beijing, China

Software Developer Intern

Technical Skills

Education

University of California, Irvine

M.S. Computer Science · 2013 – 2015

University of California, Los Angeles

Ph.D. ECE (Coursework) · 2011 – 2013

Tsinghua University

M.S. Electronic Engineering · 2008 – 2011

Tsinghua University

B.S. Electronic Engineering · 2004 – 2008

Languages