Careers | What do you want to build?

Block

Quick summary

Work type: On-site
Location: New York, NY
Posted: 53 days ago
Nearby: 99+ roles within 25 mi

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Salary context

How this pay compares to similar roles

Similar $177k

$133k most similar roles pay here $222k

This listing doesn't post a salary. Most similar roles pay $141,588–$213,000.

Based on 240 similar postings.

Employer

About Block

Block, Inc. (formerly Square) is a financial technology company operating the Square merchant payments ecosystem, Cash App peer-to-peer payments, TIDAL music streaming, and Bitcoin-focused financial services. Industry: Financial Technology & Payments

Block currently has 228 open roles on FindRole.

Listed pay typically runs $184,500–$276,800 across 54 roles with salary data.

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At a glance

TL;DR · Careers | What do you want to build?

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Join Cash App's Controls team as a senior engineer where you will build and maintain platform infrastructure that ensures trust and safety for millions of customers. You will collaborate with product managers, designers, and engineers to design and implement new features while leading technical discussions and mentoring teammates. Utilizing AI-driven development tools like Claude Code and GitHub Copilot throughout the entire development lifecycle, from prototyping to code review, you will expand the capabilities of these tools by identifying opportunities for automation and sharing best practices. The role requires experience with highly available services, event-driven architecture using Kafka, and familiarity with AWS and Kubernetes, along with proficiency in Kotlin and Java. You must stay current with AI tooling advancements and contribute to a culture that fosters innovation and technical growth within the team.

Skills

AWS Kubernetes DynamoDB MySQL Event-driven architecture (Kafka) DataDog Prometheus AI-Driven Development Claude Code Goose (Block's open-source AI agent) Cursor GitHub Copilot Anthropic's Model Context Protocol (MCP) Kotlin Java

What you'll do

Implement scalable solutions for Cash App's controls ecosystem to ensure trust and safety.
Lead technical discussions and contribute to design decisions with cross-functional teams.
Mentor teammates to enhance their technical skills and knowledge.
Direct AI agents throughout the development lifecycle, from prototyping to code review.
Identify opportunities to automate tasks and improve code quality using AI tools.

What we're looking for

6+ years of experience building and operating highly available services.
Proven ability to lead technical discussions and contribute to cross-functional product design.
Regular use of AI-assisted development tools in real production environments.
Strong mentoring skills to grow fellow engineers' technical capabilities.
Experience with event-driven architecture, AWS, Kubernetes, and cloud databases.
Demonstrated initiative in identifying opportunities for automation and improving code quality.