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

As a Junior System Engineer, support missile defense systems engineering, manage requirements, conduct analyses, develop solutions, and collaborate on system integration.

The Fullstack Application Developer will design, build, and maintain a platform for marketing teams, focusing on both front-end and back-end development while mentoring junior developers.

Support building and redesigning responsive, mobile-friendly websites; create wireframes and sitemaps; develop front-end UIs and assist with back-end tasks; optimize for performance, scalability, and SEO; participate in brainstorming, debugging, testing, and follow clean coding and version-control best practices under developer mentorship.

Support and execute multi-channel marketing campaigns, maintain content calendar, create blog and social content, analyze campaign performance, coordinate with teams and vendors, and support events and webinars.

Remote commission-based sales role to find, engage, and close clients for game servers, web hosting, VPS, dedicated servers, colocation, and reseller hosting. Maintain client notes, hand off to support, and stay active in Discord. Self-driven, relationship-focused work with recurring and tiered commissions.

Maintain financial records, prepare reports, reconcile bank statements, manage accounts payable/receivable, assist with budgets and forecasts, ensure accounting compliance, and collaborate with departments to support financial goals.

Own the strategic vision, commercial performance, and operational scaling of Espresa's Marketplace. Source and manage vendor partnerships, drive marketplace revenue and margins, define assortment and merchandising, and build automated onboarding, catalog, fulfillment, and reconciliation processes. Lead a cross-functional team and align Product, Engineering, Sales, CS, Marketing, and Finance to make the Marketplace a differentiated growth driver.

Design and build scalable backend systems, data pipelines, and cloud infrastructure. Own CI/CD, containerization, databases, and reliability; collaborate with tech leads to deliver secure, production-grade solutions for startups in a fully remote environment.

Provide technical pre-sales expertise for private cellular and cellular edge solutions, design high-level architectures, create proofs-of-concept and SOWs, lead trials, translate business needs into technical scope, and support account teams to drive revenue and partnerships.

Lead the development and deployment of advanced ML/AI products, mentoring teams and collaborating with stakeholders to influence business outcomes.