Top Blockchain Jobs in Denver & Boulder, CO

Own internal communications strategy for the People Success organization, advising the Chief People Officer and senior leaders on high-stakes messaging. Develop executive communications, town hall content, announcements, FAQs, editorial calendars, playbooks, and measurement frameworks. Coordinate with internal communications and cross-functional teams, translate People programs into compelling employee messaging, and use employee insights and responsible generative AI workflows to improve communication effectiveness and efficiency.

Own internal communications strategy for senior stakeholders, advising executives on messaging and change communications. Create scalable AI-powered communication systems for a globally distributed workforce, measure program effectiveness, and drive continuous improvement. Develop mission- and culture-focused content, support company-wide events, prepare speakers, and coordinate proactive, reactive, and issues communications with internal and external communications teams.

Build and own end-to-end full-stack systems for AI-powered agentic trading across web and React Native mobile. Implement real-time, low-latency UIs and Go backend services, integrate streaming AI/ML features and market data, drive architecture and code quality, and collaborate with AI/ML, design, and product teams to ship production-ready features used by millions.

Leads a 12-person application security practice conducting code audits, vulnerability research, and secure design reviews. Oversees technical delivery, client relationships, project staffing, utilization, profitability, recruiting, and team development. Provides hands-on technical direction across source-code security work, determines investments in tooling and methodologies, and integrates AI-assisted auditing and research into team workflows. The role also owns practice P&L and supports engineers’ conference, publication, and open-source contributions.

Own the full outbound sales cycle for mid-market merchants, including prospecting, pipeline development, discovery, demonstrations, negotiation, and closing. Develop tailored multi-product solutions across Square’s ecosystem, acquire new logos, manage Salesforce forecasting, and consistently exceed revenue targets. Collaborate with business development, product, marketing, implementation, and operations teams while serving as a consultative advisor throughout complex, multi-stakeholder deals.

Provide tax preparation, planning, and advisory services for individuals and businesses holding bitcoin and digital assets. Prepare and file tax returns, calculate cost basis and gains/losses, advise on mining/staking/airdrop income, collaborate with advisors and estate planners, maintain compliance documentation, and contribute thought leadership through articles and webinars.

Design, build, test, and deploy smart contracts and decentralized applications. Maintain blockchain integrations and backend services, optimize for security and gas efficiency, contribute to architecture and technical strategy, conduct code reviews, mentor junior engineers, and collaborate with product, frontend, and security teams.

Lead go-to-market strategy for Property & Casualty Insurance secular shift across North America. Engage issuers and distribution partners, build and manage sales pipeline, commercialize solutions, support negotiations, cross-sell with account teams, and drive SMB growth strategies. Coordinate Finance, Sales, Marketing, Product, and Delivery to execute initiatives, use SFDC to track pipeline, and create sales enablement materials to drive adoption of modern card-based payment solutions.

Own the product function for a global money movement platform, including roadmap strategy, customer discovery, technical specifications, payment and ledger capabilities, API products, launches, and partner integrations. Translate regulatory requirements into product decisions, collaborate closely with engineering, compliance, founders, banks, and fintech partners, and establish product processes. Over time, build the product organization and guide long-term platform direction.

Own business operations priorities and cross-functional technical and security projects. Build project plans, coordinate stakeholders, manage timelines and dependencies, collect compliance evidence, improve processes, identify risks and blockers, and drive high-quality execution across People, IT, Finance, Security, and Operations.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Lead product strategy for enterprise wallets, custody, treasury infrastructure, programmable money, productive capital, and wallet-to-payment experiences. Define custodial and non-custodial architectures, address security, permissions, compliance, liquidity, reconciliation, and financial-system integration, and partner with customers and ecosystem providers. Drive products from strategy through launch and scaled adoption while working with engineering, design, go-to-market, and ecosystem teams.