Senior Platform Engineer

Requirements

• Willingness to roll up your sleeves and move from planning to execution with a small team
• Significant backend software development experience
• Familiarity with PHP and Python
• Strong experience with containerization (Docker) and CI/CD pipeline design
• Expertise designing and maintaining cloud infrastructure; ideally in AWS
• Proficiency with Terraform (or equivalent IaC tools) for managing infrastructure
• Proven ability to design complex and reliable systems with minimal oversight
• Experience driving cross-team initiatives and influencing technical direction
• Solid understanding of reliability engineering, monitoring, and incident management
• Excellent communication skills and ability to work with multiple engineering teams

• We are looking for a senior platform engineer to drive the core platform, infrastructure, and developer tooling behind our products
• This role is both hands‑on and strategic: you will design and implement core systems, define the platform roadmap, and work across engineering teams to ensure we have a secure, reliable, and scalable foundation
• You’ll report directly to the CTO and be trusted to identify problems, set direction, and execute solutions without day‑to‑day oversight
• You’ll partner with engineering managers across PHP, Python, and mobile/web platforms, but you will be responsible for the architectural vision and execution across the company
• Design and implement complex and critical backend systems such as payment processing and authentication systems in the core Wag backend application
• Design cross‑platform and cross‑team system architecture
• Design and implement efficient build and deployment pipelines, containerization (Docker, Gitlab CI/CD), and developer tooling to improve productivity
• Incorporate AI powered solutions to support platform quality and developer productivity
• Define and maintain the platform roadmap, balancing reliability, developer productivity, technical debt, and cost
• Design the bug detection and triage tooling and procedures
• Contribute infrastructure as code using Terraform
• Design and drive incident response procedures including observability and on‑call tooling
• Serve as a trusted technical owner for key backend systems
• Mentor engineers on infrastructure and platform best practices
• Ensure Security & Compliance in platform design in partnership with Security Manager
• Own the data engineering and analytics platform design
• Participate in on‑call incident response for key systems
• KPIs:
• Code and App Quality:
  Bug regression rate, app quality, platform performance
• System Reliability:
  Uptime and MTTR
• Velocity Enablers: CI/CD speed, developer productivity metrics
• Technical Hygiene:
  Reduction in systemic debt, roadmap progress on platform initiatives
• Cross‑team Alignment: % projects conforming to standards