Senior Software Engineer, Block

Payment Foundations

$126.4-223.1k

Salary dependent on location. + Eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies

AWS

Kubernetes

GCP

Python

GraphQL

Java

Elasticsearch

Kotlin

Terraform

MySQL

Guice

Datadog

Senior level

Denver

Remote from US

Financial services ecosystem

Job no longer available

Financial services ecosystem

1001+ employees

FintechB2CB2BPaymentsFinancial Services

Job no longer available

$126.4-223.1k

Salary dependent on location. + Eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies

AWS

Kubernetes

GCP

Python

GraphQL

Java

Elasticsearch

Kotlin

Terraform

MySQL

Guice

Datadog

Senior level

Denver

Remote from US

1001+ employees

FintechB2CB2BPaymentsFinancial Services

Company mission

To create better tools to help everyone access the economy.

Job

Company

Role

Who you are

5+ years of software engineering experience in Java, Go or similar
BA/BS degree in Computer Science or equivalent practical experience
Understanding and curiosity in creating highly available, scalable, low-latency, distributed global systems
Interest in changing the payments landscape in the US and globally
Eagerness to learn, share your ideas, and work with others

Desirable

Enterprise experience with JVM languages (Java, Kotlin)
Experience designing & operating fault-tolerant, high throughput, low latency services & infrastructure in a microservices ecosystem
Experience working in the payments industry

What the job involves

As a Senior Software Engineer on the Payment Foundations team, you will be responsible for designing, building, and maintaining Payments platform services and infrastructure that move money for Square
You will be deeply involved in the technical details of building highly available and reliable services, while also working with product teams to enable Square to rapidly build new capabilities for our merchants and buyers all over the world
Build our Payments Platform, used by the rest of the organization and a key strategic asset of Square
Design and implement reliable, high-volume, low-latency, distributed transaction processing systems, making thoughtful tradeoffs between consistency and availability when both are not possible
Abstract away the legacy APIs of the financial world into consistent, coherent service APIs for Square and our sellers' products to build upon
Build systems that manage customers' sensitive data and hold Square to the highest standards for security and compliance
Mentor other engineers and contribute to the direction of the team
Participate in agile development processes, including stand-ups, sprint planning, and retrospectives
Work with our product, business, and finance teams to develop Square's global payments strategy
Focus on operational excellence to deliver fault-tolerant systems enabling our teams to move fast without negatively affecting our customers

Our take

Block is a financial services technology company comprising of Square, Cash App, Spiral, TIDAL, and TBD. Its biggest brand, Square, offers hardware and software for small to medium-sized businesses enabling them to manage the entire payment lifecycle. It functions similarly to Shopify and Stripe, but has paired online payment processing with physical devices such as registers, payment terminals, and mobile card readers.

The business was originally founded as Square in 2009 by Jack Dorsey of Twitter fame. Already well-established with SMEs all over the globe, Square has significantly benefited from the increased demand for mobile payment systems. Its order management feature remains a go-to tool for small businesses that otherwise didn't have the proper infrastructure in place when demand for home delivery surged.

Square rebranded as Block in December 2021, with the Square brand name remaining in place for their seller business. The company has since come under fire for its security practices, facing lawsuits in relation to a major breach of CashApp user data, and in 2024 announced plans to reduce its workforce in order to cut costs. Despite these setbacks, there is every chance the business will move past this, though it may take some time to rebuild trust in its product.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

19% employee growth in 12 months

Glassdoor (4.1)

Trustpilot (4.1)

Company

Company 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, 1:1 financial planners, and a monthly wellness allowance
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 to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees)
Learning and Development resources
Paid Life insurance, AD&D, and disability benefits

Company HQ

SoMa, San Francisco, CA

Leadership

Jack Dorsey

(CEO)

Having studied at and dropped out of New York University, Jack founded Twitter in March 2006, where he has served as CEO since. He co-founded Square with Jim in February 2009, and has remained its CEO ever since.

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