Top Tech Jobs & Startup Jobs in Belfast

Manage and optimize paid media campaigns to drive profitable app installs. Plan, execute, test, and scale acquisition channels (Google, Microsoft, Apple, paid social, CTV/TV), run incrementality and creative tests, model app economics, and deliver insights to improve efficiency and user growth.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.

As the Director of Data Science, you'll mentor teams, oversee projects, drive data-driven decisions, and implement AI and ML solutions while enhancing our data pipeline.

Lead and own major components of DuckDuckGo's privacy technology using Go, Node.js, Python, and Perl. Design and implement privacy features, improve search and AI features without compromising privacy, build tracker-detection features, participate in privacy reviews and audits, and mentor engineers over time.

Lead high-complexity privacy engineering initiatives across DuckDuckGo products. Own privacy reviews, audits, and technical programs from definition to delivery; build automation and privacy-preserving infrastructure; evolve triage and review processes; drive cross-functional projects; and hire and mentor privacy engineering talent while shaping company-wide privacy strategy.

Lead hands-on marketing design from concept through execution across multiple campaigns for Duck.ai, Search/Browse, and Subscriptions. Generate creative direction, produce high-craft on-brand assets, collaborate with cross-functional stakeholders, build reusable systems to scale marketing production, and mentor designers while working independently on scoping, stakeholder alignment, and delivery.