Senior Product Manager, B2B Crypto Infrastructure

🕒 March 23

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

✅ Product Manager

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Coinme

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2014

₿ Crypto

🛍️ eCommerce

💳 Fintech

Crypto • eCommerce • Fintech

Coinme is a cryptocurrency exchange platform that enables users to buy and sell cryptocurrencies instantly with cash or debit. Established as one of the first Bitcoin ATM providers, Coinme operates over 40,000 locations including Coinstar kiosks, making it convenient for everyday consumers to access digital currencies. The platform is designed to be user-friendly, allowing even beginners to navigate crypto transactions and management easily.

📋 Description

• Own the full product lifecycle of Crypto-as-a-Service, with a strong emphasis on API quality, integration reliability, transaction fulfillment at scale, and partner success • Define and evolve APIs, SDKs, onboarding flows, sandbox environments, and technical documentation • Scale our on-chain transaction fulfillment pipeline, including signing infrastructure, gas management, wallet orchestration, and transaction queuing—to support high-throughput partner volumes across multiple chains • Write world-class PRDs that include sequence diagrams, detailed error states, edge-case handling, and compliance requirements • Collaborate with engineering on architecture decisions, payload structures, rate limiting, and event sequencing • Work with Compliance, Legal, Payments, and Fraud teams to optimize KYC/AML flows, chargeback handling, and risk controls • Drive iterative development cycles grounded in real partner usage, API analytics, and continuous testing • Act as the internal SME on payments, APIs, crypto rails, and integration best practices

🎯 Requirements

• 5+ years of product management experience in crypto or fintech • Hands-on experience scaling crypto transaction fulfillment or orchestration infrastructure at a major exchange, crypto/stablecoin infrastructure provider, or similar high-throughput environment • Understands exchange infrastructure, including treasury management and liquidity operations • Strong understanding of blockchain settlements and blockchain infrastructure, including signing, broadcasting, gas and fee management, confirmation tracking, and error recovery • Experience building or supporting API-first B2B products, including REST APIs, SDKs, and webhooks • Ability to read logs, troubleshoot API failures, inspect JSON payloads, and guide partner engineers through integration issues • Demonstrated history of leading partner-facing integrations from onboarding to launch • High attention to detail in writing specs, mapping edge cases, and defining testing requirements • Experience working closely with engineering teams and speaking comfortably about architecture, dependencies, and system constraints • Familiarity with agile methodology, technical documentation practices, and rapid iteration • Tools experience: Postman, API consoles, Jira, Confluence, analytics platforms (Amplitude, Mixpanel, etc.) • Bonus: experience with major wallet platforms (e.g. Fireblocks), multi-signer or multi-wallet architectures, gas optimization strategies, and transaction queuing systems

🏖️ Benefits

• Health insurance • Paid time off • Flexible work arrangements • Professional development