Top Tech Jobs & Startup Jobs in Los Angeles, CA

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.

Lead and scale complex product partnerships end-to-end, sourcing, negotiating, and operationalizing strategic deals that enhance DuckDuckGo products (search, Duck.ai, subscriptions). Work cross-functionally with Product, Engineering, Legal, and Finance to build first-of-their-kind integrations, create playbooks, manage partner portfolios, and drive distribution and user engagement for AI-related services.

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.

Drive profitable acquisition and growth of paid subscribers through paid advertising, channel and creative testing, conversion optimization, experimentation, and subscription economics analysis. The role owns marketing campaigns end to end, partners with Product and Engineering on funnels and instrumentation, and scales subscription programs using aggregate measurement and privacy-respecting advertising practices.

Lead design engineering across DuckDuckGo products, combining product design expertise with hands-on coding to prototype, specify, and ensure high-quality implementation. Collaborate closely with engineers, shape design systems, improve workflows, conduct research and experimentation, and autonomously deliver impactful projects for millions of users. Help establish and grow the company’s design engineering discipline while advancing privacy-focused product experiences.

Lead high-complexity data science initiatives improving search ranking, retrieval, relevance, and evaluation. Develop and deploy production machine-learning and NLP solutions, investigate LLM-based ranking features, optimize SQL queries, and work with sparse privacy-preserving data. Define strategies for ambiguous problems, guide other data scientists, collaborate with product teams, and own projects from scoping through production.

Lead and scale a profitable paid app subscription acquisition program. Own KPI development, campaign strategy, budget allocation, measurement frameworks, experimentation, and cross-functional roadmapping. Drive integrated paid campaigns, rapid testing, and alignment across marketing, product, design, data science, and finance to grow subscribers while preserving privacy-respecting practices.

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.