C

Commonware

Blockchain infrastructure enabling secure, scalable transactions

Engineer

Full-TimeUpdated on 10/20/2026
$250k/yr
Mid
Remote in USA
RemoteMust be based in the United States.
Software EngineeringBlockchain & Smart Contract Engineering

About the job

Requirements
  • Candidates must be based in the United States.
Responsibilities
  • Build and expand the Commonware Library to support a broader set of applications.
  • Support customers with novel infrastructure built for their applications.
  • Direct focus toward the highest-priority task based on differentiated experience in a specific area.
Desired Qualifications
  • Experience building streaming unstructured data over globally distributed infrastructure.
  • Experience designing and testing onchain execution environments.
  • Experience optimizing cryptographic primitives using mathematics and assembly.
  • Experience improving the performance of embedded databases.
  • Experience crafting user experiences for exploring fast blockchains.
  • A strong programming background and prior leadership of a productive engineering organization, with a preference for returning to hands-on building.
  • Experience maintaining a large open-source codebase, especially in Rust.

About the company

Commonware builds and runs a blockchain infrastructure platform that helps clients securely communicate between authenticated peers, persist data, and run asynchronous tasks. Its products include a scalable transaction gossip network and high-throughput blockchain stack designed for enterprises such as market makers and power traders. The platform can be customized with proprietary algorithms or cloud-based services and is delivered with features like fast block generation, low finalization latency, and external uptime/fault proofs, along with deployment and ongoing maintenance. Unlike broader public blockchain projects, Commonware targets businesses with complex blockchain operations and provides a configurable, enterprise-grade stack to manage secure communications, data persistence and asynchronous workflows at scale.

Company Size

N/A

Company Stage

Early VC

Total Funding

$34M

Headquarters

Palo Alto, California

Founded

2024

Simplify Jobs

Simplify's Take

What believers are saying

  • Tempo’s $25 million lead investment gave Commonware a strategic customer and validator.
  • June 2026 Constantinople demo showed roughly 70k TPS across 50 validators.
  • Commonware says it has seven employees, four clients, and profitability since 2024.

What critics are saying

  • Commonware’s own February 2026 post says the library isn’t battle-tested yet.
  • Tempo now shapes Commonware’s roadmap; a misaligned product pivot can collapse distribution.
  • Open-source primitives face commoditization from in-house blockchain teams and fast-moving rivals like Solana.

What makes Commonware unique

  • Commonware’s anti-framework primitives support custom chains without Cosmos SDK-style opinionation.
  • September 2026 Simplex hit 200 blocks per second and 300ms browser finality.
  • Tempo adopted Commonware Library in November 2025 as a core contributor.

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Company News

Cryptopolitan
Nov 8th, 2025
Stripe-linked blockchain startup Tempo leads $25 million raise for crypto firm Commonware

Stripe-linked blockchain startup Tempo leads $25 million raise for crypto firm Commonware. In this post: * Tempo led a $25 million investment in Commonware to accelerate scalable, high-speed blockchain payments. * Commonware enabled finality under 250 milliseconds, helping Tempo streamline payment services using advanced cryptography and consensus. * Stripe and Paradigm pursued acquisitions to expand stablecoin and crypto infrastructure. On November 8, Tempo, a Stripe-backed blockchain startup, made its first major investment by spearheading a $25 million funding round for Commonware, a company that provides crypto infrastructure. According to Tempo, spearheading a $25 million strategic investment round in Commonware will further its common goal of providing dependable, high-performance infrastructure for all builders. Tempo invests in Commonware to accelerate payments. Tempo stated that the investment will enable it to concentrate on delivering essential payment services and streamlining Tempo rather than reimagining the consensus wheel. The startup will also be able to deliver blockchain payment products and updates more quickly as a result. In a blog post, Tempo stated that Commonware will enable it to reach finality in under 250 milliseconds on a globally distributed, permissionless payment system. The startup also stated that several advancements in networking, cryptography, and consensus will enable worldwide distributed payment systems. Paradigm general partner and CTO Georgios Konstantopoulos stated that Tempo will accelerate the development of the Commonware Library by putting its dependability and performance to the test in real-world scenarios. Commonware's founder, Patrick O'Grady, declined to disclose the identities of other participants in the fundraising for his company, which creates open-source code that enables people to start their own blockchains. O'Grady also declined to provide his company's valuation after the Tempo-led investment. Still, he said it was a "significant increase" over Commonware's seed round valuation, which Pitchbook estimates was $63 million. "Usage and distribution is way more important than money as a startup.If we can short circuit that process and have a deep relationship, multi-year relationship, with a great team, instead of raising maybe a traditional round from a venture fund, that was the opportunity that Tempo presented." - Patrick O'Grady, Commonware's founder. Tempo's investment in Commonware is not its first bold step since Stripe and Paradigm formally announced the collaboration in September. In the same month, the payments-focused blockchain business hired Dankrad Feist, a well-known researcher who helped design the ETH blockchain. The startup also purchased the cryptocurrency firm Ithaca. Additionally, Tempo currently employs between 40 and 50 people, up from about five in August, according to a person familiar with the company. O'Glady stated he believes Tempo will do just as good a job as showcasing what Commonware can do, rather than his own team could. He claimed that despite Commonware having just four clients and seven workers (including O'Grady) since its founding in 2024, Commonware is already profitable. According to O'Glady, Commonware earns money by assisting businesses with the deployment and interface of their open-source software. He added that, on average, each client generates more than €0.85 million annually. Stripe and Paradigm launch ambitious crypto venture. On October 17, the Stripe-affiliated startup raised $500 million at a $5 billion valuation from some of Silicon Valley's leading venture capital firms, including Thrive Capital, Greenoaks, Sequoia, and Ribbit Capital. Tempo is just the recent cryptocurrency venture from Stripe. In February, the payments company signed a $1.1 billion deal to buy the stablecoin startup Bridge. Additionally, Stripe announced in June that it planned to pay an unknown amount to acquire the cryptocurrency wallet startup Privy. Stripe has already begun launching several new stablecoin-related products, including Open Issuance, which enables Stripe users to create their own stablecoins. Bridge cofounder and CEO Zach Abrams stated that his Stripe-owned firm had applied for a national bank trust charter. The application was to comply with the recently enacted GENIUS Act, which creates legal safeguards for stablecoin issuers. However, in September, Paradigm revealed that Tempo is Stripe's most ambitious initiative, aiming to rival well-known blockchains that handle stablecoin transactions, like ETH and Solana. Stripe and Paradigm collaborated to launch the project, and Tempo is being led by Matt Huang, managing partner of Paradigm and a member of Stripe's board of directors.

Crypto Briefing
Nov 7th, 2025
Commonware secures $25M raise in round led by Stripe-backed Tempo: Fortune

Commonware secures $25M raise in round led by stripe-backed Tempo: fortune. Powered by Gloria Edited by Growing fintech adoption fuels funding for innovative blockchain and stablecoin payment infrastructure startups. Key takeaways. * Commonware, a crypto infrastructure startup, secured $25M in funding. * The round was led by Tempo, which is backed by Stripe and focuses on stablecoin settlement. Commonware, a crypto infrastructure firm building tools for decentralized finance applications, secured $25 million in a funding round led by Tempo, a blockchain startup focused on developing stablecoin settlement infrastructure. The investment reflects growing interest in specialized blockchain infrastructure as established fintech companies expand into crypto assets. Stripe, a payments company expanding into blockchain through backing emerging crypto startups, has supported Tempo's development of stablecoin payment ecosystems. Tempo recently spun out from incubation by Stripe and a crypto venture firm, and is actively supporting related infrastructure projects to enhance stablecoin settlement capabilities. The funding aligns with Tempo's strategy to integrate with other crypto firms. The investment builds on Stripe's ongoing push into on-chain payments, following the company's acquisitions of stablecoin and wallet providers like Bridge and Privy to strengthen its blockchain payment capabilities.

Fortune
Nov 7th, 2025
Tempo leads $25M raise for Commonware

Stripe-backed Tempo has led a $25 million raise for crypto infrastructure firm Commonware. Tempo, a payments-focused blockchain, aims to enhance blockchain payment processing with Commonware. Commonware's founder, Patrick O’Grady, did not disclose other participants or the new valuation, but noted a significant increase from the $63 million seed round valuation. Tempo's investment follows its acquisition of Ithaca and hiring of Ethereum researcher Dankrad Feist.

The Block
Dec 11th, 2024
Former Ava Labs engineering lead raises $9 million to build 'anti-framework' blockchain developer tools

Haun Ventures and Dragonfly Capital have co-led a $9 million funding round for Commonware, a startup building "state-of-the-art" tools.