Lead Backend Engineer (Ruby On Rails) - Fully Remote

Join a profitable, fast-moving mobile apps startup as a Lead Backend Engineer. You will own the core backend for social and dating products used by hundreds of thousands of users, leading a senior team of 4–5 engineers while reporting directly to the CEO.

Key responsibilities

• Lead and mentor a team of mid/senior backend engineers, including 1:1s and performance management.
• Translate product and business goals into clear technical roadmaps and sprint plans.
• Own the backend architecture and technical vision for mobile-first, consumer-facing applications.
• Modernize and improve a large Ruby on Rails codebase, including version upgrades and refactoring.
• Identify and resolve performance bottlenecks, improve API reliability, and design effective caching strategies.

Requirements

• 8+ years of professional backend development experience with recent leadership experience.
• Strong hands-on expertise with Ruby on Rails and scaling high-traffic systems.
• Proven experience owning backend architecture for mobile-first, consumer-facing apps.
• Solid understanding of distributed systems, relational databases, and AWS infrastructure.
• Excellent communication skills with a strong product mindset and ability to lead in a remote environment.

What we offer

• Fully remote role with flexible working hours.
• Work on high-impact, high-scale mobile products in a growing startup.
• Strong engineering culture with high ownership and direct communication.
• Access to company-provided AI tools to boost productivity.
• 27 days of paid vacation and company-paid team trips to attractive locations.