Backend Engineer III - Growth

About the role

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer III - Growth based in United States. This role is an opportunity to build reliable backend infrastructure that directly supports growth initiatives across multiple product areas. You’ll join a horizontal Growth Infrastructure team responsible for services powering experimentation, event tracking, and app-start fidelity. Your work will enable other engineering teams to move faster while maintaining high standards for reliability, scalability, and quality. You’ll contribute to architectural decisions, service design, testing strategies, and the evolution of shared backend platforms. The environment is collaborative and fast-moving, with close partnerships across engineering, product, mobile, business intelligence, and marketing. You’ll have meaningful ownership within a structured, distributed organization that values experimentation, thoughtful use of AI, and continuous improvement. This is a hands-on backend engineering opportunity where your technical contributions can influence products and infrastructure used across the organization.

Responsibilities

• Build, maintain, and scale backend services supporting growth infrastructure initiatives, including content experimentation and event tracking.
• Develop reliable, well-tested services with unit, integration, and acceptance testing to maintain quality and long-term maintainability.
• Participate in architectural discussions and contribute thoughtful design proposals for backend services and shared infrastructure.
• Collaborate closely with engineers, product managers, and cross-functional stakeholders across mobile, business intelligence, marketing, and other teams.
• Extend and leverage existing services and platform capabilities where appropriate, avoiding unnecessary duplication and reinvention.
• Identify and implement AI-assisted workflows that improve engineering velocity while maintaining or improving quality.
• Participate in an on-call rotation to provide support for backend services outside standard working hours.
• Contribute to a culture of ownership, experimentation, continuous improvement, and data-informed decision-making.

Requirements

• Bachelor’s degree in computer science, computer engineering, or a related field, or equivalent professional experience.
• 5+ years of professional software development experience, with a strong focus on API and backend development.
• Demonstrated