Senior Business Systems Engineer

Responsibilities

• Design integrations across enterprise business systems including Salesforce, Oracle Cloud, Snowflake, and Looker using MuleSoft or other iPaaS platforms
• Build Python-based tools for supporting integrations, automations, and process optimization
• Write and optimize SQL scripts for data extraction, transformation, and analytics
• Collaborate with partner engineering and operations teams to ensure integration robustness and scalability
• Create and execute unit, integration, and regression tests for custom components
• Monitor and support launched integrations using metrics and logs to improve reliability
• Lead incident response and root cause analysis for critical production applications

Requirements

• 8+ years architecting and scaling enterprise APIs and integrations
• 4+ years of hands-on experience with iPaaS platforms, preferably MuleSoft
• 3+ years of recent experience with Python, Kotlin, Java, or Go
• Experience integrating with Salesforce, Oracle Fusion Cloud, Workday, or SAP
• Advanced proficiency in SQL and familiarity with data pipelines (Airflow, Fivetran, Prefect, or Databricks)
• Familiarity with AWS services such as S3, Lambda, SQS, and RDS
• Solid understanding of software engineering best practices, CI/CD, and code reviews

Preferred Qualifications

• Certifications in MuleSoft or AWS
• Experience building MCP servers using Python or TypeScript for Agentic workflows
• Experience leveraging LLM-based tools (Claude Code, Cursor, etc.) for productivity

About the Company

Block is a company built from many blocks, including Square, Cash App, Afterpay, and TIDAL, all united by the purpose of economic empowerment.