About the role
Responsibilities Take technical ownership of an existing production VPN and its Go networking engine Stabilize and evolve the backend, including account, subscription, and server-selection APIs Manage WireGuard peer and configuration pipelines and integrations with payments and analytics Establish automated testing, API documentation, and CI/CD workflows Use agentic AI coding tools as a core part of the daily workflow to plan, implement, and test work Work closely with mobile frontend engineers, DevOps, and product managers to execute the strategic roadmap Requirements 5+ years of professional senior backend engineering experience in an agile environment Strong expertise in Go, including concurrency, networking, and cross-compilation for mobile Proficiency in Python and Node.js Experience with PostgreSQL, MongoDB, Redis, and AWS services Deep understanding of VPN and networking protocols (WireGuard, Shadowsocks, TCP/IP, DNS, TLS) Experience with third-party integrations like Stripe, Firebase, and Datadog Demonstrated proficiency using AI agents (e.g., Cursor, GitHub Copilot) for development Strong security-mindedness regarding encryption, secrets management, and user privacy Preferred Qualifications Experience building or maintaining a consumer VPN or proxy backend Familiarity with wireguard-go, gVisor netstack, or lwIP Experience operating multi-provider infrastructure (AWS, DigitalOcean, Vultr, etc.) Knowledge of Kotlin or Swift for mobile library integration Compliance and data-governance experience (GDPR, CCPA, SOC 2) About the Company Mode.Inc is the parent company of a portfolio of technology businesses, including Mode Mobile, which creates the EarnOS platform to help users monetize mobile activities. The company has attracted over 40 million users across 170 countries.