Top Blockchain Jobs in Denver & Boulder, CO

Design and build reliable backend services and integrations for Coinbase’s Unified Merge Gate. Lead automated code review, policy evaluation, CI evidence, authorization, merge controls, repository migrations, safe rollouts, observability, and operational ownership. Partner with Security, Compliance, Infrastructure, and engineering teams to improve software review and deployment workflows while measuring merge quality, review volume, time-to-merge, and escaped defects.

Own and operate the production threat intelligence platform, maintaining system health, monitoring jobs, and ensuring data quality. Build intelligence-feed integrations, enrichment, tagging, and lifecycle workflows. Deliver intelligence to detections, blocklists, warehouses, and agent workflows. Partner with Security and Product stakeholders to translate requirements into technical capabilities, troubleshoot production issues, and implement durable fixes. Develop production-quality software using Python, Go, or Storm with CI/CD ownership, while responsibly applying generative AI.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

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 complex stakeholder deals, and maintain accurate Salesforce forecasts. Collaborate with Business Development, Product, Marketing, Implementation, and Operations while consistently meeting or exceeding revenue targets.

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.

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.

Support end-to-end M&A, strategic investments, fundraising preparedness, business-case development, post-merger integration, and corporate strategy. Build valuation models, conduct market and operating diligence, prepare executive communications, manage deal processes, and develop relationships with blockchain founders and industry leaders.

Own and operate low-latency network infrastructure for trading systems, including colocation connectivity, exchange feeds, L2/L3 topology, BGP and OSPF routing, PTP synchronization, firewall policies, automation, packet analysis, documentation, and incident response. The role involves designing infrastructure from scratch, managing vendors, building Python tooling, and participating in on-call support within a small network engineering team.

Leads the design and implementation of enterprise network automation across on-premises and multi-cloud environments. Develops Infrastructure as Code using Python, Ansible, Terraform, Git, and CI/CD pipelines; automates provisioning, configuration, monitoring, compliance, and lifecycle management. Supports routers, switches, firewalls, and load balancers, troubleshoots incidents, performs root cause analysis, and drives network upgrades and cloud adoption. Establishes testing and engineering standards, mentors junior engineers, creates documentation, and participates in on-call support and frequent travel.