Top Blockchain Jobs in Denver & Boulder, CO

The Senior Security Engineer will assess application security for AI systems, focusing on prompt injection techniques, threat modeling, and client training on AI security topics.

The Security Engineer will design, build, and enhance security tools and frameworks, analyze security challenges, and contribute to AI/ML security research. Responsibilities include software development, security code review, and technical communication.

As a Security Engineer, you will conduct security assessments, develop security tools, perform architecture reviews, and collaborate on advanced security research.

Design, build, and operate core developer-infrastructure services (CI, builds, deployment orchestration, test infra). Own components end-to-end, improve build/CI/deploy/test metrics, participate in on-call rotation, write observable production-ready code, collaborate with engineering teams, and contribute to technical design and knowledge sharing.

Manage relationships with Square's largest sellers in the Food and Beverage vertical, growing account-based revenue, and identifying opportunities for solutions. Collaborate with internal teams to execute solutions and provide premium client service.

The Engineering Manager leads a team in delivering reliable software solutions, blending technical contributions with team leadership, managing projects, and improving processes.

Drive sales of AI/HPC data center hardware to enterprise and cloud customers, leveraging existing networks and expertise to close deals and advise on solutions.

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.

The Head of Business Development will drive Shelby's go-to-market strategy, secure partnerships, and build the commercial foundation of a decentralized storage ecosystem.

Lead CIS market growth strategy and annual planning. Drive KPIs (registrations, FTT, MAU, trading activity, revenue), manage budget allocation, prioritize high-impact opportunities, lead cross-functional GTM efforts, mentor local marketing, and represent the market in regional planning.

Own growth in the CIS region: design and run user acquisition, activation, and reactivation campaigns; run A/B tests and product experiments; optimize paid and CRM campaigns; monitor metrics and translate insights; collaborate with Product, CRM, Paid Ads, and Content teams.

Plan and execute integrated growth marketing campaigns and GTM launches across Product, Community, CRM, Paid, and regional teams. Localize global campaigns for the CIS market, manage timelines and execution, monitor performance, recommend optimizations, and ensure consistent execution quality while coordinating stakeholders.

Qualify and engage inbound product-led leads and run strategic outbound prospecting to Web3-native teams. Book discovery meetings, apply qualification frameworks (BANT/MEDDICC), track signals in CRM, and collaborate with Sales, Product, and Marketing to drive product-led expansions and conversions. Share feedback to influence roadmap and meet KPIs for pipeline and conversion.

Lead Tempo's social media strategy and content creation across X, LinkedIn, YouTube, and other channels. Produce and distribute social clips, blog posts, and event assets; manage live event coverage and community engagement. Track performance metrics, refine strategy, and collaborate with PMM, Events, Comms, and GTM teams to grow brand awareness and developer-enterprise engagement.