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

As a Senior Software Engineer, you'll enhance mobile Wikipedia experiences, lead project implementations, and mentor team members while collaborating across departments to prioritize and deliver high-quality features.

Serve as a strategic HR advisor delivering employee relations, talent management, organization design, performance management, and change leadership for global teams. Coach managers, mediate complex cases, conduct talent reviews and succession planning, and partner with HR Centers of Excellence to design and implement people solutions that improve engagement, retention, and productivity.

Create scroll-stopping social media content by researching topics, developing ideas, writing on-brand copy, and designing graphics and motion assets. Maintain content pipelines, design systems, and collaborate with social and brand teams to ensure platform-native, engaging visuals that align with Wikimedia's mission.

The Movement Communications Specialist will engage communities across Africa, monitoring discussions, mapping editor needs, and facilitating connections to advocate for the Wikimedia movement.

The Senior Software Engineer will design and maintain MediaWiki's backend components, ensuring quality and operational excellence across the platform while mentoring team members and aligning with WMF strategies.

Outbound-focused SDR responsible for prospecting enterprise accounts, booking qualified meetings, qualifying using MEDDIC, and handing leads to AEs. Run multi-touch outreach across email, phone, LinkedIn, and video, manage pipelines and automation in HubSpot, collaborate with product and solutions engineering, and feed market intelligence into GTM playbooks.

Build and maintain Wikimedia editing features (primarily VisualEditor). Fix bugs, implement new functionality, collaborate with cross-functional teams, write multilingual accessible performant code in JavaScript and PHP, instrument components, and work within the MediaWiki API ecosystem. Contribute tests and use version control in a distributed, open-source environment.

The Email Developer (Fundraising) will produce and optimize email campaigns, ensuring quality and functionality while collaborating with teams on multilingual fundraising efforts.

The Senior Data Scientist will integrate data from various sources, analyze web performance, and provide insights for strategic decision-making. Responsibilities include developing automated systems for content coverage, tracking metrics, and designing experiments to assess new initiatives' impact.

As a Senior Site Reliability Engineer, you will manage and improve Wikimedia's infrastructure, handle operational tasks, automate processes, and provide mentorship while participating in a 24/7 on-call rotation.