DuckDuckGo is hiring a Senior Backend Engineer to work remotely across multiple countries. The role requires 7+ years of backend experience (Perl, Go, Node.js), familiarity with AI agent tooling (RAG, prompt engineering, evaluation frameworks), and building/maintaining data processing pipelines and search-relevancy features. Responsibilities include owning complex projects, mentoring engineers, and collaborating across teams. Compensation listed at $178,500 USD/year plus stock options. Candidates should expect ~40 hours/week, occasional travel (~2x/year for all-hands and retreats), and a background check; company-sponsored health benefits are limited to US-based team members.

Senior, hands-on Staff Product Engineer (Ruby on Rails). Remote role owning hard PRs and end-to-end product areas (billing, enterprise auth, API, dashboard, infra), responsible for performance, security, mentoring via code review, and shipping production Rails code. Fluent English and prior Stripe/billing experience required.

SearchApi seeks a remote Ruby Engineer to build and maintain web-scraping integrations and browser automation (CDP), tackle anti-bot evasion, optimize concurrency, and support production systems at scale. The role involves debugging production issues, reverse engineering protections, contributing across the stack (Ruby on Rails, PostgreSQL, Redis, Sidekiq), customer-facing support, and improving monitoring and infrastructure (Terraform, AWS, Prometheus, Grafana).