Square is looking to improve seller onboarding, engagement, and success by simplifying, automating, and graduating seller experiences through backend systems that guide sellers from signup to first payment and into ongoing product engagement.
Requirements
- Deep expertise in Java and/or Kotlin within the JVM ecosystem, with extensive hands-on experience in backend and platform systems at scale.
- Recognized authority in backend distributed systems with a strong track record of architecting scalable, reliable, and maintainable solutions across organizations.
- Demonstrated leadership in large-scale architectural initiatives, platform transformations, and technical migrations.
- Ability to break down complex, ambiguous problems into visionary, actionable solutions executed across multiple teams.
- Strong interpersonal and influencing skills, with experience mentoring engineers, coaching seniors, and building technical bench strength across teams.
- Deep experience driving operational excellence, including SEV response leadership, org-wide reliability practices, and CI/CD adoption.
- Proficiency with modern cloud infrastructure (e.g. AWS, Kubernetes, containerization) and automation at scale.
Responsibilities
- Lead by example through hands-on development of critical architecture components while defining and driving the technical vision for Square's activation and engagement funnel improvements, establishing patterns and practices that shape experiences across multiple Growth Product teams through direct code contribution and mentoring.
- Drive activation and engagement funnel improvements by designing and building highly available backend services that power critical seller experiences, including setup guides, onboarding checklists, automated workflows, and engagement features
- Build and serve as the technical authority for scalable distributed systems to handle millions of seller interactions across web, POS, and international platforms while maintaining high reliability SLOs
- Lead organizational-level technical initiatives spanning Growth Product and beyond, setting the technical trajectory for activation infrastructure used by web, mobile, point of sale, and international teams
- Mentor and coach Staff and Senior engineers across the organization, fostering a culture of engineering excellence, learning, and inclusion beyond your immediate team
- Influence strategic product and technical decisions, proactively identifying risks and opportunities that affect the direction of Growth Product
- Enable extensibility and automation by building systems that outside engineers can easily understand, diagnose, and extend, supporting Growth Product's principles of rapid iteration and empowerment.
Other
- Open to US Remote locations
- 12+ years of backend/server engineering experience with proven technical and organizational impact at scale.
- Experience defining technical strategy, setting engineering standards, and serving as a culture carrier for quality and inclusive collaboration.
- Domain experience in onboarding/activation, user engagement, payments, or high-scale consumer/B2B SaaS platforms.
- Familiarity with A/B testing frameworks, experimentation platforms, and workflow orchestration systems used across teams
