Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

Own and scale the core betting experience across mobile and web using React Native. Diagnose and fix critical client issues, lead cross-platform design reviews, partner with backend/product/design, use analytics to validate changes, coach engineers, and drive reliability, performance, and developer-velocity initiatives.

Design and architect scalable, secure cloud solutions by analyzing complex requirements, selecting and integrating technologies, producing technical documentation, leading stakeholder presentations, collaborating with development teams for implementation, mentoring junior architects, and continuously evaluating emerging technologies for optimization and compliance.

Lead retention and lifecycle marketing for a subscription streaming client: translate marketing strategy into technical requirements, design and run testing roadmaps, build KPI dashboards, drive engagement/upsell/personalization programs, partner cross-functionally (CRM, Analytics, Product, Engineering), and present strategic recommendations to senior leadership to reduce churn and grow subscriber lifetime value.

Lead growth and engagement of Vana’s global community—primarily on Discord—by building and managing an ambassador program, organizing events and AMAs, moderating discussions, collaborating with marketing/product/partnerships, analyzing community metrics, and managing crisis communications and support teams to drive adoption and advocacy.

Support website content editing, formatting, and publishing. Update job listings and resources, optimize content for SEO and accessibility, test site functionality, integrate multimedia, and collaborate with marketing to maintain brand voice and improve usability.

Lead customer-facing projects deploying TMHNA products and automation/operator-assist technologies from prequalification to implementation. Own schedules, plans, stakeholder alignment, risk mitigation, and delivery on time, scope, and budget. Coordinate cross-functional teams, run client meetings, drive continuous improvement, and travel extensively to support execution.

Own end-to-end product design in an AI-forward startup: discover user needs, analyze data, design UI and systems, collaborate with engineering pods, build design system components, bridge digital interfaces with physical mailroom workflows, and drive projects from concept to delivery.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Lead commercialization and partner enablement for Big Happy's Retail Media Network offsite offerings. Build and maintain RMN and agency relationships, co-sell programmatic 3D DOOH and mobile solutions, create RMN-specific sales playbooks and measurement case studies, run pilots and proofs-of-concept, and track pipeline and JBP revenue adoption while aligning cross-functionally with Sales, Product, Marketing, and Client Services.

Build and operate intelligent agent systems on an AWS-native GenAI platform. Implement AI-enabled features and RAG/agent workflows, design and deploy small services, maintain CI/CD, participate in on-call support, contribute to design reviews, mentor junior AI engineers, and collaborate with product, data, and platform teams.