Senior Software Engineer, Square Bank Accounts ID-22309

About the position

As a Senior Software Engineer on the Bank Accounts team at Square Banking, you will play a pivotal role in designing and developing new backend systems that will scale our Checking and Savings account products. These accounts are essential for ensuring that sellers have access to their funds when they need them most.

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Your work will directly contribute to helping sellers organize their finances, encouraging smart usage of their funds, and consolidating their money in one place. You will be part of a dynamic team that values collaboration, empathy, and a positive work culture, making your contributions both impactful and rewarding. In this role, you will leverage your extensive experience to lead large-scale feature releases and serve as a technical lead, mentoring junior engineers both technically and in their career development. You will be expected to apply your strong understanding of software design principles and architecture, along with hands-on experience in building large-scale systems. Your ability to deliver high-quality software with a focus on technical excellence will be crucial, as will your skills in communicating updates and resolutions to customers, team members, and other partners in a collaborative environment. You will also be expected to utilize your problem-solving skills and critical thinking abilities to tackle complex challenges. Familiarity with cloud platforms such as AWS, GCP, or Azure, as well as modern development methodologies and tools like Agile, CI/CD, and Git, will be essential for your success in this position. This is an exciting opportunity to contribute to a significant and meaningful business that empowers sellers worldwide to achieve long-term financial success.

Responsibilities

  • Design and develop new backend systems for Checking and Savings account products.
  • Lead large-scale feature releases and serve as a technical lead.
  • Mentor junior engineers in technical skills and career development.
  • Apply software design principles and architecture in building large-scale systems.
  • Deliver high-quality software with a focus on technical excellence.
  • Communicate updates and resolutions to customers and team members effectively.
  • Utilize problem-solving skills to address complex challenges.
  • Work collaboratively within a dynamic team environment.

Requirements

  • BS/BA degree or equivalent experience.
  • 8+ years of industry experience.
  • Experience with Java, Kotlin, and/or Ruby.
  • Experience leading large-scale feature releases.
  • Experience serving as a technical lead and mentoring junior engineers.
  • Strong understanding of software design principles and architecture.
  • Hands-on experience building large-scale systems.
  • Experience delivering high-quality software with a focus on technical excellence.
  • Strong communication skills for updates and resolutions.
  • Experience with cloud platforms (AWS, GCP, Azure, etc.).
  • Familiarity with modern development methodologies and tools (Agile, CI/CD, Git, etc.).

Nice-to-haves

  • Experience with MySQL and Aurora.
  • Familiarity with Protocol Buffers, Terraform, and Envoy.

Benefits

  • Healthcare coverage (Medical, Vision and Dental insurance)
  • Health Savings Account and Flexible Spending Account
  • Retirement Plans including company match
  • Employee Stock Purchase Program
  • Wellness programs, including access to mental health resources and financial planners
  • Paid parental and caregiving leave
  • Paid time off (including 12 paid holidays)
  • Paid sick leave (1 hour per 26 hours worked, max 80 hours per calendar year)
  • Learning and Development resources
  • Paid Life insurance, AD&D, and disability benefits
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