Senior Backend Engineer

• Lead complex projects across key company-wide objectives using Perl, Go, and Node.js, writing pragmatic, performant, testable code that works consistently. • Collaborate remotely and take responsibility for solving product issues impacting DuckDuckGo's all-in-one privacy solution, whether large or small. • Work on AI-assisted answers, Duck.ai improvements, and sophisticated data processing pipelines that maintain search relevancy while preserving a privacy-first approach.

• Bring 7+ years of professional experience primarily focused on backend systems that power consumer-facing products. • Have product acumen to reason about technical tradeoffs in terms of user impact. • Have familiarity with AI agent tooling including evaluation frameworks, RAG pipelines, and prompt engineering. • Have a fundamental understanding of complex data structures and algorithms, able to develop and apply new solutions and confidently navigate and improve existing code. • Have data-driven analytical skills for decision-making, stakeholder alignment, and experiment-oriented delivery. • Have solid project management abilities. • Have excellent written and verbal communication to validate and articulate decisions. • Have previous experience leading and mentoring experienced engineers, supporting their career goals, and unlocking their potential.

• Have experience with Perl 5, Go, or Node.js specifically. • Have experience implementing AI-assisted features within a privacy-first product. • Have experience building sophisticated data processing pipelines for search relevancy. • Have experience working in a privacy-focused consumer technology company.

• Lead complex projects across key company-wide objectives using Perl, Go, and Node.js. • Write pragmatic, performant, testable code that works consistently. • Implement AI-assisted answers and integrate them into the Search product while maintaining a privacy-first approach. • Deliver improvements to Duck.ai to make it a competitive AI chat alternative for both free and paying users. • Implement sophisticated data processing pipelines that maintain search relevancy. • Formally mentor other engineers, supporting their career growth and the growth of the Backend Team.

• Receive $178,500 USD annually plus stock options, with compensation transparent across the organisation and the same within each professional level regardless of location. • Work fully remotely with no core hours and a flexible work arrangement. • Receive paid parental leave. • Receive an office setup and co-working allowance. • Travel approximately twice a year for an all-hands meetup and a team retreat of 4–5 days each. • Join a profitable company founded in 2008 with annual revenue exceeding $100m USD.

DuckDuckGo is the online protection company and remote-first team of 300+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014 with annual revenue exceeding $100m USD, millions use the DuckDuckGo browser on Mac, Windows, iOS, and Android, the search engine, and the DuckDuckGo subscription. The company also offers private, useful, and optional AI including Duck.ai for chatting privately with ChatGPT, Claude, and other AIs in one place.