# Staff Software Engineer, Cash App Banking

**Company:** [Square](https://hotfix.jobs/companies/square)
**Location:** New York, NY, San Francisco, CA
**Role:** Backend Engineering
**Salary:** $264k – $395k/yr
**Experience:** 12+ years
**Skills:** Java, Kotlin, AWS, gRPC, protocol buffers, hibernate, MySQL, DynamoDB, Redis, Kafka, Datadog, buildkite, gradle
**Posted:** 2026-07-24

> Lead technical strategy and architecture for Cash App's Banking server engineering team. Mentor engineers, drive cross-functional decisions, contribute hands-on to scalable systems using Java/Kotlin and AWS, with 12+ years experience.

## Job Description

## You Will
- Partner closely with product managers, designers, engineers, and business leads to develop, communicate and execute technical strategies that benefit the Banking organization
- Play a critical role in influencing leaders across the organization and company to drive consistent, sound and efficient technical decisions
- Stay close to the details of systems that power our products by directly contributing to technical designs and staying hands on with code contributions
- Hold your teammates and yourself to high engineering standards
- Leverage your experience and knowledge to grow your teammates' technical breadth and depth through direct coaching and mentoring
- Apply an AI-first mindset in your everyday work, raising the bar of AI application across the team by staying connected to efforts across the organization

## You Have
- 12+ years of software development or equivalent experience
- 3+ years of experience leading large scale features, which includes planning, managing and executing on the delivery projects in a timely manner while maintaining a high quality bar
- Drive and experience in identifying, aligning and landing globally optimal solutions in a system with many moving parts
- The ability to design and build creative solutions to complex problems
- A strong track record in helping other engineers grow
- Bachelor's Degree or Diploma in Computer Science, Computer Engineering, Software Engineering, or equivalent experience

## Technologies We Use and Teach
- Java, Kotlin
- AWS
- HTTP, JSON, gRPC, Protocol Buffers
- OkHttp, Jetty, JUnit, Guice
- Hibernate, Aurora, MySQL, DynamoDB, Redis
- Kafka, event-driven architecture, microservices
- DataDog
- Buildkite, Gradle

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**Apply:** https://hotfix.jobs/jobs/c5388e82-99db-4e08-8285-1ebadcc0014c
**Canonical:** https://hotfix.jobs/jobs/c5388e82-99db-4e08-8285-1ebadcc0014c