Staff Software Engineer, Orders & Fulfillment Platform

The Role
As a Technical Lead on the Orders Ecosystem Platform team, you will be responsible for shaping the future of our core ordering platform and system of record for all transactions on Square. You will lead the design and architecture of large-scale distributed systems that power our order management services, which both 1P and 3P developers at Square rely on as the foundation for helping our Sellers complete their sales and grow. This is a high-impact individual contributor (IC) role that requires a deep technical background, a strong sense of ownership, a passion for AI and emerging technologies, strong leadership skills, and the ability to think strategically while building a culture of AI-enabled engineering excellence and platform thinking.
You Will

• Lead the design, development, and deployment of large-scale distributed systems within the orders ecosystem platform
• Build and drive the technical vision and architecture for the platform, ensuring solutions are scalable, resilient, highly performant, and extensible.
• Hands-on high velocity delivery with our code and delivering value to our Sellers and wider ecosystem
• Effectively use Agentic Coding practices for research, planning, monitoring, and delivery
• Collaborate with cross-functional teams including engineering, product, and operations to deliver scalable solutions that improve the efficiency, reliability, performance, and development velocity of our platform.
• Identify and solve complex technical challenges related to performance, scalability, and system reliability.
• Provide technical leadership and mentorship to engineers, fostering a culture of engineering excellence that embraces AI-first thinking. You will champion best practices for AI-assisted development, and foster a culture where engineers confidently leverage AI to amplify their impact.

You Have

• 12+ years of experience in software engineering with a proven track record of designing and implementing large-scale distributed systems.
• Deep knowledge of backend technologies, including cloud infrastructure (AWS, GCP, or Azure), databases, and messaging systems.
• Proven ability to lead major technical initiatives from design through production. Experience with server API design to enable good 1P and 3P velocity on top of team platforms, as well as data synchronization between client and server and across backend services.
• Proven ability to mentor and guide senior engineers and contribute to the overall growth of engineering teams.
• Excellent communication skills, capable of explaining complex technical concepts to diverse audiences.
• Bonus : Experience with e-commerce domain or Order management systems

Technologies We Use and Teach

• Java, Kotlin, or similar backend languages
• Distributed systems and event-driven architectures
• Cloud infrastructure and containerized services
• Relational and NoSQL databases
• Messaging systems and API design

We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, based solely on the core competencies required of the role at hand, and without regard to any legally protected class. We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we're doing to build an inclusive workplace? Check out our Inclusion & Diversity page
Full-time employee benefits include the following:

• 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

These benefits are further detailed in Block's policies. This role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies, and may be eligible for a sign-on bonus. Sales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policies. Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation or benefit plans.
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:
$263,600 - $395,400 USD
Zone B:
$263,600 - $395,400 USD
Zone C:
$263,600 - $395,400 USD
Zone D:
$263,600 - $395,400 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.
Block, Inc. (NYSE: XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone.