Senior Engineer, Platform

About the Role

Join HappyCo as a Senior Engineer, Platform to scale foundational systems, enhance reliability, and drive innovation in our core products and integrations.

Responsibilities

• Design, implement, and maintain scalable platform services and APIs.
• Lead the delivery of roadmap-critical platform capabilities, including Property Graph and integration surfaces.
• Build and improve APIs and plugin frameworks to enable partner integrations.
• Enhance platform reliability, observability, and application performance.
• Collaborate with Product Engineering leads and stakeholders to deliver platform capabilities.
• Participate in incident response and root-cause analysis.

Requirements

• 6+ years of professional software engineering experience.
• Strong experience building platform services, APIs, or infrastructure systems.
• Experience improving system reliability, observability, and performance.
• Demonstrated experience working on distributed systems or complex backend platforms.
• Golang, Ruby on Rails, and Rust technologies.
• Strong collaboration skills working across engineering and product teams.

Nice-to-Haves

• Experience designing graph-based data models or complex domain modeling.
• Experience building developer platforms, plugin frameworks, or extensibility systems.
• Background working with integration-heavy SaaS platforms.
• Experience improving operability and observability of production systems.
• Familiarity with cloud-native architecture and distributed systems.