Temporal raises $550M Series E at $12.55B valuation; will open Atlanta and Bay Area offices while keeping Bellevue coworking HQ
Temporal raised $550 million in a Series E that valued the 3-year-old app development startup at $12.55 billion; it will open permanent offices in Atlanta and the Bay Area while keeping a coworking headquarters in Bellevue as it scales R&D and hiring.
Temporal Technologies Raises $550M Series E at $12.55B Valuation Led by Lightspeed to Scale Durable Execution
Temporal Technologies raised $550 million in a Series E at a $12.55 billion valuation to expand adoption of its Durable Execution technology, which lets long-running applications resume after failures; the round was led by Lightspeed with co-leads Wellington Management, Goldman Sachs Alternatives’ Growth Equity and Tiger Global. CEO Samar Abbas — formerly CTO and a longtime distributed-systems engineer who swapped roles with co-founder Maxim Fateev in April 2024 — said the funding addresses growing demand for reliable infrastructure for complex software and AI.
Temporal raises $550M Series E at $12.55B valuation to scale durable execution platform
Temporal raised $550 million in a Series E on September 14, 2026, at a $12.55 billion valuation to expand its global operations and invest in reliability, security, and core platform primitives for its durable execution/AI orchestration platform.
By Maxim
Temporal Founders Bet on Open Source and Developers to Enable Invincible Applications
Madrona Managing Director Soma Somasegar hosts Temporal Co-Founders Samar Abbas and Maxim Fateev in studio. Temporal was founded in 2019 based on an open-source microservices orchestration engine project but is the result of a more than decade-long partnership between the two co-founders that spanned their time working on different iterations of the same thing at AWS, Microsoft, and Uber. In this episode, Soma, Samar, and Maxim dive into the challenges of building an open-source ecosystem while also working on a commercial offering and scaling a successful company, how to navigate and adjust a product roadmap in an ever-changing world of…
Organizations
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Temporal Co-Founder / CTO 2024–present · current
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Uber Senior Staff Engineer 2019, Staff Software Engineer 2015–2019 · past
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Google Staff Software Engineer 2013–2015 · past
Education
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Universidade Federal do Rio de Janeiro Master, Computer Science · 1995–1998
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Lomonosov Moscow State University (MSU) Ms, Physics · 1988–1994
