Senior Software Engineer, Backend (Developer - x402) jobs in United States
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Coinbase · 3 hours ago

Senior Software Engineer, Backend (Developer - x402)

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
money$186K/yr - $219K/yr
date6+ years exp

Coinbase is on a mission to increase economic freedom in the world, focusing on building the emerging onchain platform and the future global financial system. The role involves defining and evolving the x402 protocol for internet-native payments and building related products while collaborating with the open-source community.

BitcoinBlockchainCryptocurrencyFinTechTrading Platform
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Comp. & Benefits
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H1B Sponsor Likelynote

Responsibilities

Defining the x402 protocol standard for the internet-native payment protocol
Building and maintaining x402 related products such as the x402 SDK, Payment MCP, Payment Facilitators, and onchain payment protocols
Collaborating with open-source contributors to evolve the standard through GitHub discussions, issues, and PR reviews

Qualification

Backend developmentGolangTypescriptPythonWeb3 technologiesScalable softwareCrypto experienceSmart contractsWalletsAI protocolsOpen-source projects

Required

6+ years of experience in software development with a strong focus on backend development working closely with frontend engineers; crypto experience is a plus
Strong experience in building scalable and secure software and SDKs
Proficiency with Golang, Typescript, and Python
Knowledge of Web3 technologies, stablecoins, smart contracts, and wallets

Preferred

Experience with AI and emerging AI protocol standards (MCP, A2A)
Track record of building and maintaining impactful open-source projects

Benefits

Bonus eligibility
Equity eligibility
Benefits (including medical, dental, vision and 401(k))

Company

Coinbase

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Coinbase is a crypto exchange and wallet platform that allows merchants and consumers to buy, sell, and store digital currencies.
dateFounded in 2012
location
San Francisco, California, USA
people-size1001-5000 employees
web-link
https://www.coinbase.com

H1B Sponsorship

Coinbase has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (181)
2024 (92)
2023 (96)
2022 (284)
2021 (183)
2020 (66)

Funding

Current Stage
Public Company
Total Funding
$4.46B
Key Investors
ARK Investment ManagementDFJ GrowthTiger Global Management
2025-12-19Post Ipo Equity· $4.2M
2025-08-05Post Ipo Debt· $2.6B
2025-03-04Post Ipo Equity· $8M

Leadership Team

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Brian Armstrong
CEO & Co-Founder
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Alesia Haas
Chief Financial Officer
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Recent News

Mashable
An arrest has been made in the Coinbase ransomware breach
2025-12-31
PR Newswire UK
HTX Hot Listings Weekly Recap (Dec 22-28) Sees ZBT Surge 127%, PAYAI Rally 103% | AI and Privacy Narratives Reignite
2025-12-31
Cointelegraph
Coinbase exec warns Senate stablecoin misstep could hand China global edge
2025-12-31
Company data provided by crunchbase