Senior Software Engineer, Square Financial Services
Senior engineer building and operating core banking platform features, public APIs, and financial tooling on AWS with Kotlin. Requires 5+ years experience and a bachelor's degree.
Senior Software Engineer, Square Financial Services
Senior engineer building and operating core banking platform features, public APIs, and financial tooling on AWS with Kotlin. Requires 5+ years experience and a bachelor's degree.
185k – 327kNew York, NYBackend EngineeringRemote5+ YOE
About the role
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
- 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
Skills
AWSKotlinJavaGoTypeScriptReactKubernetesTemporal.IoAws FargateAws EcsAws AuroraDynamoDBSwaggerProtocol BuffersgRPC
Similar roles
Backend Engineering jobsSenior Software Engineer, Cash App Banking
Leads technical design, execution, and delivery of banking features in a microservices architecture. Collaborates cross-functionally, drives infrastructure improvements, and mentors engineers with 8+ years experience in Java/Kotlin.
Senior Software Engineer, Cash App Banking
Leads technical design, execution, and delivery of banking features in microservice architecture. Collaborates cross-functionally, drives infrastructure improvements, mentors engineers, and applies AI-first approach. Requires 8+ years experience.
Senior Software Engineer
Senior Software Engineer owning core platform features for compliance infrastructure, including data orchestration, verification workflows, and APIs. Requires 5+ years experience, strong backend skills in Python/Go/TypeScript, and distributed systems expertise.