Senior Software Engineer, Square Financial Services

Block, Inc

$217K — $326K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of relevant experience
  • Bachelor's Degree in a related field
  • Proficient in AWS for building cloud solutions
  • Expertise in Kotlin programming
  • Experience developing public APIs
  • Background in finance operations tools
  • Strong written and verbal communication skills

Responsibilities

  • Design and implement new features for the banking platform
  • Collaborate with engineering teams to integrate products into SFS
  • Build secure systems that manage sensitive customer data
  • Create fault-tolerant systems to ensure high availability
  • Maintain and troubleshoot critical service operations

Benefits

  • Remote work flexibility
  • Comprehensive medical insurance
  • Flexible time off policy
  • Retirement savings plans
  • Family planning support
Full Job Description
The Role

Square Financial Services, Inc ("SFS") is Block's bank. The SFS Bank Platform team makes it easy to safely manage, move, and understand all of the funds at SFS. We build gateways to bank payment networks and the core ledger for the bank, we automate accounting operations for the finance team, and we're building a foundation to support more of Block's products. Come help us build a better bank!

You Will
  • Design and build new features into our banking platform that meet the diverse needs of Block's broad portfolio of products and services
  • Partner with engineering teams across Block to help onboard their products to SFS
  • Build systems that operate on our customers' most sensitive data, while holding Square to the highest standards for security and compliance.
  • Design fault tolerant systems so the team can be brave and move fast, without ever negatively affecting our customers.
  • Ensure the continued operation of our critical services, remediate any problems that occur, and design durable fixes so that they don't happen again

You Have
  • 5 or more years of relevant experience and a Bachelor's Degree
  • Hands-on skills building software products or services in the cloud (AWS, Azure, GCP, etc.)
  • A track record of building software that is easy to observe and operate
  • A strong sense of customer empathy and a drive to ship software that improves their lives
  • Excellent written and verbal communication skills. This is a remote-forward team.
  • Proficiency building products and services using AWS
  • Proficiency with Kotlin
  • Experience building public APIs
  • Experience building tools for finance operations

Technologies We Use and Teach
  • Kotlin/Java, Go
  • TypeScript, React, PhantomJS
  • Temporal.io , Kubernetes, AWS Fargate + ECS
  • AWS Aurora and DynamoDB
  • Swagger, Protocol Buffers, gRPC, REST
  • Unit Tests, Continuous Integration, and other methods of quality assurance

While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate's starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

To find a location's zone designation, please refer to this resource . If a location of interest is not listed, please speak with a recruiter for additional information.

Zone A:

$217,800 - $326,800 USD

Zone B:

$207,000 - $310,400 USD

Zone C:

$196,100 - $294,100 USD

Zone D:

$185,200 - $277,800 USD

Application Guidelines

Candidates may submit up to 9 active applications within a 60-day period. Reapplications to the same role are accepted 90 days after a previous application has been reviewed.

Use of AI in Our Hiring Process

We may use automated AI tools to evaluate job applications for efficiency and consistency. These tools comply with local regulations, including bias audits, and we handle all personal data in accordance with state and local privacy laws.

Contact us here with hiring practice or data usage questions.

Every benefit we offer is designed with one goal: empowering you to do the best work of your career while building the life you want. Remote work, medical insurance, flexible time off, retirement savings plans, and modern family planning are just some of our offering. Check out our other benefits at Block.

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