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

Lead QA for web and backend systems: design and execute manual and automated tests (UI, functional, regression, accessibility, API), integrate testing into CI/CD, track and triage defects, perform root-cause analysis, mentor junior QA, and contribute to performance and security testing and process improvements.

Design, build, and operate an AI-powered customer engagement platform that uses product telemetry and business data to deliver personalized outreach, build and backtest scoring models, segment cohorts, surface offers, integrate CRM/marketing/product analytics, and measure and iterate on program effectiveness to drive retention and expansion.

Develop and produce U.S. and Canadian tax-focused podcast content: research and pitch topics, find and prep guests, live-produce interviews, edit content for learning objectives, write episode assets (descriptions, quizzes, bios, glossary), and collaborate across the production team.

Lead global demand generation for a fraud-prevention B2B SaaS company: develop integrated multi-channel GTM campaigns, align marketing and sales, manage budgets and agencies, build and mentor a demand-gen team, measure pipeline and ROI, and drive market visibility with analytics-driven optimization.

Facilitate and coordinate Agile processes for cross-functional engineering teams: organize work in project tooling, run standups/retros/demos, track metrics and status, create and assign tasks, and continuously improve team processes.

Lead end-to-end enterprise implementations from contract to go-live, coordinating stakeholders, project plans, technical integrations (SSO, APIs, data flows), and documentation. Manage timelines, unblock cross-functional teams, create training/runbooks, maintain the implementation playbook, and hand off context to Customer Success for ongoing account management.

Own full sales cycle for B2B SaaS customers: prospecting, qualification, presentations, negotiation, contracting, and closing. Build relationships, identify upsell opportunities, collaborate with Marketing and Customer Success, maintain CRM records, mentor SDRs, and ensure smooth client migrations while demonstrating company values.

Lead revenue operations for the sales organization: forecasting, quota setting, sales process optimization, reporting, CRM enablement, training, incentive compensation administration, and cross-functional coordination to improve sales productivity.

Hands-on mechanical engineering internship focused on HVAC and MEP building systems. Interns assist design teams with ductwork sizing and layout, perform basic engineering calculations, support documentation and coordination, attend site visits, and gain experience using BIM tools like Revit and AutoCAD throughout project lifecycles.

Own and evolve Buffer's front-end design system and component library for marketing pages. Build performant, accessible, animated React/TypeScript experiences on buffer.com, collaborate with designers and marketers, audit and improve performance and accessibility, and mentor peers on front-end architecture and standards.