Lead backend infrastructure projects, ensuring reliable communications across company products. Collaborate cross-functionally, mentor peers, and drive technical strategy.
Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.
The Role
Our group is responsible for communications between Block and its customers. We aim to ensure that all of Square and CashApp teams are able to reach their customers when they need to, providing tier-0 transactional and marketing messages to the right person at the right time in the right place. We send billions of SMS, email, and in-app and push notifications, and we need to do so quickly and reliably.
We are looking for a Staff Engineer to work on these backend platforms, pushing us further down the road of performance and reliability. The role involves working with multiple in-house teams, establishing relationships with trusted vendors, and pushing our technical strategy to the next level. You'll drive projects that span across the whole company, implement key technologies and features, and mentor other talent along the way.
You Will
You Have
Bonus
Technologies We Use and Teach
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 an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and "fair chance" ordinances.
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 a workplace that is fair and square? Check out our I+D page .
While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.
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
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 at [email protected] 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.
The Role
Our group is responsible for communications between Block and its customers. We aim to ensure that all of Square and CashApp teams are able to reach their customers when they need to, providing tier-0 transactional and marketing messages to the right person at the right time in the right place. We send billions of SMS, email, and in-app and push notifications, and we need to do so quickly and reliably.
We are looking for a Staff Engineer to work on these backend platforms, pushing us further down the road of performance and reliability. The role involves working with multiple in-house teams, establishing relationships with trusted vendors, and pushing our technical strategy to the next level. You'll drive projects that span across the whole company, implement key technologies and features, and mentor other talent along the way.
You Will
- Drive critical infrastructure that the company and its customers rely on.
- Partner cross-functionally with a broad impact on current and future projects throughout the company
- Lead org-wide initiatives: influencing our technical strategy for communications across multiple products
- Contribute to our technical leadership - share learnings, improve our operational stance, and drive the future of our communication platform
You Have
- 12+ years of experience delivering high-value, high-impact projects
- A track record of leading large backend projects at scale
- Strong skills in communication and collaboration with cross-functional peers
Bonus
- Experience with SMS, VOIP, or email infrastructure
Technologies We Use and Teach
- Java, Golang, Python
- Guice, Guava, gRPC, Protocol Buffers
- AWS, MySql, NoSql, Kafka, Temporal
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 an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and "fair chance" ordinances.
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 a workplace that is fair and square? Check out our I+D page .
While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.
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
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 at [email protected] 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.
Top Skills
AWS
Go
Grpc
Guava
Guice
Java
Kafka
MySQL
NoSQL
Protocol Buffers
Python
Temporal
Similar Jobs at Block
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Senior Android Engineer will design and implement features for order management workflows, troubleshoot issues, mentor engineers, and enhance testing infrastructure.
Top Skills:
DaggerEspressoGradleKotlinLeakcanaryMortarOkhttpProtocol BuffersRxjavaService ApisSnapshotVendor Sdks
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Content Manager will create compelling marketing content to support sales efforts, improve merchant engagement, and refine sales pitches for Cash App. This role involves collaboration with multiple teams to craft effective messaging tailored to merchant needs.
Top Skills:
Adobe Creative CloudFigma
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
As Product Lead, you'll enhance dispute resolution for Cash App, leading cross-functional teams to improve customer trust, compliance, and operational efficiency.
Top Skills:
Data AnalyticsMachine LearningProduct ManagementRisk Management
What you need to know about the Montreal Tech Scene
With roots dating back to 1642, Montreal is often recognized for its French-inspired architecture and cobblestone streets lined with traditional shops and cafés. But what truly sets the city apart is how it blends its rich tradition with a modern edge, reflected in its evolving skyline and fast-growing tech industry. According to economic promotion agency Montréal International, the city ranks among the top in North America to invest in artificial intelligence, making it le spot idéal for job seekers who want the best of both worlds.
Key Facts About Montreal Tech
- Number of Tech Workers: 255,000+ (2024, Tourisme Montréal)
- Major Tech Employers: SAP, Google, Microsoft, Cisco
- Key Industries: Artificial intelligence, machine learning, cybersecurity, cloud computing, web development
- Funding Landscape: $1.47 billion in venture capital funding in 2024 (BetaKit)
- Notable Investors: CIBC Innovation Banking, BDC Capital, Investissement Québec, Fonds de solidarité FTQ
- Research Centers and Universities: McGill University, Université de Montréal, Concordia University, Mila Quebec, ÉTS Montréal