Jobs in San Mateo, CA

About the role

As a Lead Backend Engineer , you’ll build the scalable systems that drive our global products—and do it with clarity, ownership, and a sharp eye for design. You’ll lead backend modules end-to-end, influence architecture across teams, and raise the bar on performance, stability, and code quality. If you obsess over time and space complexity, love breaking down tough problems, and take pride in helping others level up—you’ll feel right at home.

What you'll bring

• 6 to 8 years of experience building and scaling backend systems in fast-paced product teams.
• Ruby on Rails proficiency.
• Data Structures & Algorithms (DSA): Expertise in selecting optimal data structures and developing efficient, optimized code including time/space complexity trade-offs.
• Deep knowledge of REST APIs.
• Problem Solving & Logical Analysis: Ability to clearly articulate thought processes, decompose complex problems, and engineer effective solutions.
• Object-Oriented Design (OOD): Strong command of OOP principles, designing extensible code, and applying SOLID principles.
• System Design (High-Level Design - HLD & LLD): Proven ability to design scalable, highly available, and fault-tolerant end-to-end systems, including APIs, schema, and data models.
• Exposure to RDBMS, caching strategies, distributed queues, and microservices.
• Exposure and experience with AI tools and technologies to improve efficiency
• Leadership & Collaboration: Demonstrates strong ownership, collaborates effectively, and shows potential for mentoring.
• Degree in Computer Science, Engineering, or a related technical field.
• You’re skilled at balancing fast delivery with long-term scalability.

Benefits