Top Blockchain Jobs in Denver & Boulder, CO

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.

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.

Configure, optimize, and enhance Algolia AI Search across enterprise web and mobile applications. Responsibilities include managing search indices, tuning relevance, implementing faceting and personalization, integrating search functionality, monitoring analytics, improving performance, collaborating with product and IT teams, documenting configurations, and providing training and support.

Build and own core payment infrastructure and APIs end-to-end using full-stack skills. Design robust asynchronous systems and state machines (queuing, scheduling, webhooks), collaborate with CTO, BD, and customers to shape product, and set engineering standards and best practices as an early hire.

Build and deploy full-stack financial infrastructure directly with strategic customers. Scope requirements, develop production-grade features across TypeScript, React, NestJS, Postgres, Prisma, and AWS, integrate blockchain and payment systems, debug production issues, and generalize customer-specific solutions into reusable platform capabilities. The role requires close customer collaboration, strong communication, rapid prototyping, and rigorous attention to correctness, resilience, and auditability in money-movement systems.

Rolling open application to submit your resume and a note about why the company should hire you. Employer proactively considers exceptional candidates for unspecified roles and will reach out if thereis a potential fit.

Manage financial planning, budgeting, reporting, and operational finance across US business units. Lead month-end close in NetSuite, prepare management reports, support tax and audit processes, control budgets and vendor payments, forecast cash flow, and partner with leaders to provide analyses and decision-support.

The IT Systems Engineer will architect and maintain Tempo's IT infrastructure, focusing on identity management, endpoint security, and automation, ensuring efficient provisioning and compliance.