Senior Software Engineer

Who you are

• Significant experience building and operating scalable backend systems in production
• Demonstrated experience building software with AI coding agents such as Claude Code, Cursor, or Codex. Be prepared to discuss specifics: features you shipped with agent assistance, the workflows or tooling you built to make agents effective on a large codebase, and where you decided not to rely on them
• Proficiency in PHP, ideally Laravel, and working proficiency in Python
• Experience with event-driven and queue-based architectures, particularly AWS SQS
• Experience running containerized services in production, ideally on ECS
• Ability to work in-person 5x a week in our downtown Miami office
• Familiarity with secrets management in tools such as HashiCorp Vault or AWS Parameter Store
• Experience with large-scale static analysis and automated refactoring, such as PHPStan, Rector, or similar
• Proficiency in maintaining and deploying systems with tools such as Terraform, Docker, and GitLab CI/CD
• Strong knowledge of database design and performance optimization, especially MySQL and Redis
• Experience integrating LLMs into production software, including prompt design, evaluation, and handling non-deterministic output safely
• A pragmatic, agnostic coding approach with a strong understanding of when to apply certain design patterns, drawn from extensive experience with large projects
• Understanding of secure design principles for backend systems
• Solid understanding of site reliability engineering, monitoring, and incident management
• Excellent communication skills with the ability to work effectively across a distributed team

What the job involves

• We are seeking a Senior Software Engineer to join our backend engineering team and help develop products for millions of pets and the humans who love them
• This position involves enhancing our core backend API, as well as supporting our cloud infrastructure and associated backend services
• We are looking for someone who thrives in a small, fast-paced team environment, and is comfortable working across the stack to solve challenging problems and create exceptional products
• We build with AI coding agents every day
• Demonstrated experience building both workflows and products with AI tools is a requirement for this role
• Take ownership of the backend platform, from the client-facing API schema to the server and database infrastructure in AWS
• Contribute to architectural and design decisions, and explain the tradeoffs
• Break down features into releasable components, estimate release schedules, and collaborate with the team
• Design and implement core products within our PHP and Laravel API, working from an OpenAPI specification in a domain-driven, service and repository architecture
• Build and enhance internal backend systems in Python, including our AWS Lambda services, and collaborate with other business units
• Support the production infrastructure by implementing and maintaining AWS services using Terraform, including ECS, Lambda, API Gateway, SQS, Parameter Store, CloudWatch, and IAM
• Participate in production monitoring and incident response, designing the necessary tools and processes
• Integrate AI-powered solutions directly into the product
• Build and improve the agent workflows, context, and tooling that let the team develop effectively with AI in a large codebase

Benefits

• Company equity
• Work from home opportunities
• Premium medical, dental, and vision insurance plans
• One Medical membership where it’s available
• Free access to licensed therapists for all employees
• In addition to observed holidays, salaried employees are offered unlimited paid vacation
• Our full-time, hourly employees get generous paid and sick time off
• 401(k) plan
• Free snacks and drinks in all of our offices, including healthy options