Job Description

The Point of Sale (POS) mobile applications are the main entry point through which merchants work with Square. The cross point of sale product team known as "XPOS" is an engineering organization of 35+ software engineers responsible for building shared features that are shared across the fleet of Square’s point-of-sale apps. The team is part of the larger XPOS ecosystem engineering organizations. You will report into the engineering lead of the XPOS Core team. Our team’s mission is to use the technical reusability of our core platform, maximizing the surfaces of shipped functionality for sellers’ benefit.

Engineers at this level are organizational leaders who promote and influence the technical direction of their organization to ensure success of projects. As a Principal Engineer on XPOS Product, you will define the long-term technical vision of the APIs that support our mobile applications and the Square Dashboard experience on web. You will architect, implement, and scale strategic solutions spanning multiple product teams and business organizations, including external partners.

To learn more about Point of Sale:

https://squareup.com/us/en/point-of-sale/software

You Will:

• Guide and participate in important technical, design, and product discussions with leaders across our multiple product and engineering teams.
• Build cross team technical efforts and our most complicated technical problems. Manage the delivery of projects including planning, documenting processes and infrastructure, determining operation metrics, rollout, and maintenance.
• Inspire a team of 35+ software engineers and influence the Square ecosystem of products.
• Uplevel the technical design and product understanding for the team and lead other team members.
• Develop new best practices for the team to achieve operational excellence.
• Be an important partner for Engineering Leadership & Leadership for cross functional stakeholders.
• Sample projects include designing and scaling internally and externally-facing APIs that support important business functionality such as Add Ons and Remote Settings management.

Qualifications

You Have:

• 10+ years of experience developing production software for large scale consumer facing mobile applications.
• Experience as a Principal Engineer level or above at a premier technology company.
• Advanced Degree in Computer Science or Equivalent experience in lieu of degree
• Experience leading large feature releases; usually multi-person projects that cross engineering team boundaries.
• Experience building component-based web apps with modern JavaScript front-end frameworks (e.g. React, Vue, Angular, or Ember).
• Experience architecting scalable backend systems in Java, Go, or Ruby
• Experience with AWS or other cloud platforms.
• Experience envisioning a technical approach/solution, socializing it and aligning partners towards it.
• Experience with mentoring and upleveling team members.
• Experience balancing urgency to implement vs technically correct solution.