Software Engineer, Data Reliability Platform

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
The Data Reliability team ensures that Block's data ecosystem is observable, trustworthy, and resilient. We build the systems that detect, prevent, and mitigate data issues across critical analytics and ML workloads. Sitting within our AI and Data/Analytics (AiDA) organization, we partner closely with data infrastructure, Machine Learning, and product analytics teams to provide foundations for reliable data from lineage and quality signals to data incident response and service-level metrics.
You Will

• Develop and scale data quality and observability integrations.
• Partner with platform, analytics, and ML teams to identify, diagnose, and prevent recurring data issues.
• Contribute to the company-wide reliability strategy, designing core metrics and standards for data health.
• Collaborate with data platform and privacy teams to improve metadata completeness and accountability.
• Share knowledge and help establish engineering best practices for testing, observability, and operational excellence.

You Have

• 4+ years of experience in data, data platform, or software engineering roles.
• Strong proficiency in Python or Java/Kotlin, and SQL for analytical and diagnostic workflows (or a willingness to learn!)
• Familiarity with data pipeline orchestration, alerting, or monitoring systems (e.g., Airflow, Dagster, or Prefect).
• Familiarity with incident management practices, including on-call participation, postmortems, and root cause analysis.
• Familiarity with modern data warehousing and streaming systems such as Snowflake, Databricks, Kafka, or similar.
• Understanding of data modeling, lineage, and metadata concepts and their role in data trust and compliance.
• A collaborative mindset and a focus on making systems observable, self-healing, and transparent.

Technologies We Use and Teach

• Languages: Kotlin, Python, SQL
• Data Platforms: Snowflake, Databricks, Kafka
• Workflow & Orchestration: Airflow, Prefect
• Infrastructure: Kubernetes, AWS, Terraform

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:
$180,000 - $270,000 USD
Zone B:
$171,000 - $256,600 USD
Zone C:
$162,000 - $243,000 USD
Zone D:
$153,000 - $229,600 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.