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

Design social and editorial content for Instagram, TikTok and emerging platforms; create carousels, explainers, motion graphics, interactive experiences and map-based storytelling using tools like Ceros and Mapbox; develop visual identity, scalable templates, AI-assisted workflows, and collaborate with social and editorial teams to prototype and optimize audience engagement.

As a Principal Product Engineer, you'll design and implement AI-driven frontend solutions, tackle engineering challenges, and lead technical guidance in a collaborative environment.

Lead strategy and execution for Yahoo Mail client platforms and shared services across web, iOS, Android and emerging surfaces. Own platform vision, roadmaps, and cross-team initiatives for authentication, identity, privacy, security, and client frameworks. Drive platform transitions, stakeholder alignment, and metrics for performance, reliability, cost, and developer productivity.

Build AI-native, employee-facing security products (agents, skills, plugins), own AI tooling infrastructure, advocate for developer experience, integrate APIs/MCPs, validate AI outputs, and produce clear documentation and lightweight UIs for broad internal audiences.

The Senior Software Engineer will architect and optimize AI-powered developer tools, enhance the SDLC, collaborate across teams, and mentor peers to improve engineering productivity.

Lead research and algorithm design for large-scale ranking, personalization, recommendation, ads targeting, causal uplift, dynamic pricing, and revenue forecasting. Design, train, evaluate, and productionize state-of-the-art ML, deep learning, and RL models (including transformer/LLM hybrids) on cloud platforms, establish experimental standards, and mentor research engineers.

The role involves designing and developing enterprise-grade software solutions, integrating AI tools, collaborating with teams, and maintaining documentation while enhancing productivity for Yahoo personnel.

Provide legal counsel on privacy, AI, identity, and advertising technology; embed privacy by design with product and engineering teams; draft and negotiate privacy provisions and DPAs; advise on cross-border transfers and SCCs; run privacy and AI risk assessments; support incident response; create scalable legal playbooks and AI-enabled workflows; represent Yahoo in industry standards bodies.

Lead architecture and development of high-performance, scalable backend systems for Yahoo Mail using Java and C++. Set technical strategy, establish architectural standards, validate AI-generated code, mentor senior engineers, collaborate cross-functionally, and ensure reliability through automated logging, telemetry, and debugging workflows.

Develop and maintain cloud infrastructure and automation at scale using Terraform, Helm, and Kubernetes. Build AI-driven troubleshooting, cost-optimization, and LLM-based onboarding agents. Implement observability (Prometheus, Grafana, OpenTelemetry), automate deployments (GitOps), diagnose production issues, and mentor engineers on cloud best practices and AI-augmented workflows.