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

Make high-volume outbound cold calls to qualify leads, communicate product value, handle objections, schedule appointments, update CRM records, follow scripts, meet call and lead-generation KPIs, and collaborate with sales to improve outreach.

Serve as primary client contact for law firm clients, manage relationships, collaborate with SEO and paid media teams, analyze campaign performance (GA4), present reports and recommendations, leverage AI/LLM tools, and drive client retention and growth.

Lead backend architecture and system design for an AI-driven manufacturing planning platform. Build and scale a Node.js/Python stack with Azure Databricks, implement optimization and scheduling algorithms, establish engineering patterns, and mentor/lead a small early-stage engineering team while collaborating with product and data functions.

Serve as the primary U.S. sales and use tax subject matter expert, conducting research, supporting compliance, guiding product taxability, managing nexus/apportionment, and partnering with Product, Engineering, Operations, and Customer Success to build scalable tax automation and documentation.

Support integration and certification of defense modeling and simulation software. Perform requirements derivation, verification and validation test planning, maintain MBSE system architectures, produce systems engineering artifacts, lead integrated testing, and support Agile development to achieve certification for operational use.

Own end-to-end accounting and close for a multi-entity crypto and fiat business. Maintain GL, reconciliations (crypto and fiat), intercompany, controls, and audit-ready documentation. Produce management reporting, cash/treasury visibility, budgeting/forecasting support, and coordinate with external advisors and auditors.

Operate, maintain, and improve secure, highly available server, network, and middleware infrastructure. Install, configure, monitor, troubleshoot, automate, and document systems; support on-call rotation and disaster recovery; manage job schedulers and vendor relationships; plan capacity and upgrades; mentor junior staff and support multi-cloud workloads.

The Mission Engineer positions involves system modeling, software integration, data modeling, link analysis, and operations triage of wireless communication systems.

The Senior Acoustics Engineer is responsible for acoustic design, noise compliance assessments, and defining noise control measures for BTM power generation and battery energy storage systems at data centers.

Own and administer the CX tech stack, drive AI/automation and self-service, design API-supported workflows, manage Tier II backend operations, oversee Drift CX, and deliver CX reporting, dashboards, SOPs, and vendor/engineering partnerships to improve containment, reduce costs, and resolve systemic issues.