Top Blockchain Jobs in Denver & Boulder, CO

Lead cryptographic security assessments of protocols, libraries, applications, and high-assurance systems. Analyze advanced cryptographic constructions, identify design and implementation weaknesses, validate exploitability, and recommend remediation. Build testing and analysis tools, manage client delivery, write precise technical reports, mentor engineers, contribute to methodologies and services, and support open-source research and technical publications.

Leads enterprise-wide software architecture and engineering initiatives for highly distributed, large-scale systems. Designs and delivers new services, evaluates technologies and frameworks, drives engineering standards, prototypes solutions, and resolves architectural challenges. Provides technical leadership through mentoring, architecture reviews, cross-team consultation, public speaking, technical writing, hiring interviews, and engagement with external engineering communities. Remains hands-on in software architecture, design, implementation, performance analysis, and reliability.

Own the full-cycle mid-market sales process for Cash App Pay and Afterpay, from prospecting and qualification through negotiation, contracting, launch, and handoff. Build merchant relationships, develop account plans and business cases, negotiate commercial terms, coordinate cross-functional deal teams, maintain Salesforce pipeline data and forecasts, deliver revenue targets, and provide market feedback to product and go-to-market teams.

Manage enterprise KYC due diligence policy and strategy across Block’s business lines. Develop and maintain KYC standards, assess regulatory changes, guide implementation, define AI/ML risk-segmentation and identity-verification controls, monitor program performance, advise stakeholders, support audits and examinations, and remediate compliance risks including model bias, drift, false positives, false negatives, and explainability gaps.

Manage AWS and GCP cloud environments, scale infrastructure globally, shape technical architecture, and build reliable CI/CD pipelines. Automate security and compliance controls, improve infrastructure performance, and develop systems interacting with smart contracts across multiple blockchains. The role requires Terraform, shell scripting, GitHub Actions, Docker, production cloud operations, and observability experience, with Kubernetes, networking, and fintech compliance knowledge preferred.

Build and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, test reliability, observability, and engineering productivity at scale. Own services from architecture through production, including SLOs and on-call operations. Lead cross-functional technical projects, partner with engineering teams, mentor engineers, and shape platform strategy.

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.

Provide high-level administrative support to the CEO office in a Co-CEO model: manage complex calendars, coordinate domestic and international travel (commercial and private aviation), prepare briefing materials, oversee budgets/expenses, track projects and events, and liaise with stakeholders to streamline executive operations.

Coordinates product operations for Krak’s consumer payments and banking products. Manages compliance, legal, fraud, risk, vendor, and launch dependencies; maintains operational trackers; supports incident response; interprets fraud, dispute, customer experience, and authorization metrics; and provides market, regulatory, and vendor intelligence to guide product decisions and roadmap planning.

Own Kraken Consumer’s marketing product roadmap and the connection between marketing and product. Build acquisition and reactivation experiences across web and mobile, including campaign journeys, lifecycle messaging, incentives, referrals, recurring deposits, landing pages, and search. Partner with marketing, design, engineering, and data to improve conversion, launch experiments, define growth metrics, and enable measurable paid, social, affiliate, and offline acquisition channels.

Provides legal and regulatory guidance on digital assets, tokenized securities, and SEC-regulated entities. Supports securities-law compliance, product launches, transactions, regulatory examinations, audits, policies, and external counsel management. Drafts and negotiates commercial agreements while monitoring developments affecting digital assets and securities markets.

Product Manager responsible for Transfer Agency and Issuer Services products. Defines and prioritizes requirements, scopes data integrations, writes specifications and user stories, coordinates Engineering delivery, manages UAT and QA, prioritizes operational and compliance backlogs, maintains documentation, analyzes operational data, and supports cross-functional launches for tokenized funds and assets.

Lead sales growth across traditional finance and banking markets by selling complex digital-asset data, analytics, and compliance solutions. Responsibilities include managing the full sales cycle, developing institutional relationships, negotiating contracts, building pipelines, representing the company at industry events, providing market intelligence, supporting go-to-market planning, and connecting client requirements with engineering and product teams.