Senior Software Engineer, Data 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 Integrations and Transformations Platform team is hiring a Senior Software Engineer to expand our platform offerings to enable access to valuable data for business critical Machine Learning, Data Science, Risk, and Applied AI teams. Our team sits on top of data ingestion and data archives to deliver platforms and applications for offline and online use cases. Our team is responsible for providing solutions for internal teams to access valuable data via mechanisms that abstract them from dealing with the nuances of raw data access thus improving customer developer velocity across Block.

You Will

• Design, develop, and maintain high-performance backend services


• Lead technical design and implementation for critical systems


• Collaborate with engineering, product, data science, operations, and risk teams to deliver impactful solutions.


• Drive technical excellence by establishing and promoting best practices in design, coding, testing, and operations.


• Mentor and guide engineers, fostering technical growth and a culture of learning.


• Own project outcomes end-to-end—from concept through architecture, implementation, testing, and deployment.


• Contribute to the team's roadmap by identifying opportunities for technical improvement and innovation.

You Have

• 8+ years of hands-on software engineering experience, with a focus on backend systems.


• Deep understanding of distributed systems, data modeling, and service-oriented architectures.


• Experience building and operating large-scale, production-grade systems.


• Strong collaboration skills and experience working with cross-functional partners across engineering, product, and finance domains.


• Ability to lead technical discussions, align stakeholders, and deliver measurable outcomes.


• Experience mentoring engineers and improving team performance.

Technologies We Use and Teach

• Databricks


• Snowflake


• Java


• Kotlin


• Python


• Kafka


• Spark

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.