Senior Business Systems Engineer

About the role

The Business Systems Integration team powers the end-to-end systems that drive Block's CRM, Procurement, Finance, Hardware supply chain, logistics, fulfillment, and after-sales service. We design, build, and manage the integrations and processes that connect all the different systems operations to scale efficiently and intelligently.

Responsibilities

• Design integrations across enterprise business systems, including Salesforce, Oracle Cloud, Snowflake, Looker, and external partner systems using MuleSoft or other Integration iPaaS platform
• Design and build Python-based tools for supporting integrations and automations and process optimization
• Write and optimize SQL scripts for data extraction, transformation, reconciliation, and analytics
• Collaborate with partner engineering and operations teams to ensure integration robustness, security, and scalability
• Create and execute unit, integration, and regression tests for custom components and data flows
• Monitor and support launched integrations and automations, using metrics and logs to continuously improve reliability and performance of the platform
• Contribute to technical documentation, design reviews, and version control using GitHub and modern DevOps practices
• Lead incident response and root cause analysis for critical production applications and integrations

Requirements

• 8+ years architecting, designing, and scaling enterprise APIs and integrations in high-volume environments
• 4+ years of hands-on experience in one of the iPaaS Integration platforms, preferably MuleSoft
• 3+ years of recent hands-on experience with programming languages (Python, Kotlin, Java or Go)
• Experience leveraging Claude Code, Codex, Cursor, Windsurf or any of the LLM based tools for Productivity enhancements
• Experience leveraging AI/ML-based automations for automating technical and business processes
• Hands-on experience integrating with enterprise business systems such as Salesforce, Oracle Fusion Cloud, Workday or SAP
• Advanced proficiency in SQL and familiarity with data pipelines in Airflow, Fivetran, Prefect or Databricks
• Familiarity in working in Cloud platforms, preferably AWS, and services like S3, Lambda, SQS, RDS
• Solid understanding of software engineering best practices including code reviews, CI/CD pipelines, and documentation
• Excellent communication and collaboration skills able to translate functional requirements from stakeholders into and technical design
• Proven track record of delivering complex integrations for procurement, finance, or supply chain systems
• Deep commitment to delivering quality products
• Experience managing complex applications and integrations in Production, providing KTLO support and root cause analysis
• Certifications in Mulesoft, AWS
• Experience or familiarity in building MCP servers, using Python or Typescript, for exposing tools and processes to Agentic workflows

Qualifications

• Master's degree in Computer Science, Information Technology, or related field
• Experience with cloud platforms such as AWS, Azure, or Google Cloud
• Experience with API management platforms such as Kong, Apigee, or API Management
• Experience with DevOps tools such as Jenkins, GitLab, or CircleCI
• Experience with containerization technologies such as Docker and Kubernetes
• Experience with microservices architecture
• Experience with NoSQL databases such as MongoDB or Cassandra
• Experience with ETL tools such as Talend, Informatica, or Apache NiFi

Skills

• Strong problem-solving and analytical skills
• Ability to work independently and as part of a team
• Excellent written and verbal communication skills
• Experience with Agile methodologies and Scrum
• Experience with continuous integration and delivery (CI/CD)
• Experience with API design and development
• Experience with data modeling and database design
• Experience with cloud-native architectures
• Experience with DevSecOps practices

Benefits

Block offers a comprehensive benefits package that includes:

• Health insurance
• Retirement savings plan
• Flexible time off
• Remote work options
• Modern family planning benefits
• Professional development opportunities
• Employee assistance programs
• Discounts on Block products and services

Pay

Starting salary range for this role varies based on location and experience, ranging from $113,600 to $213,000 USD.

Schedule

This role is remote-friendly and flexible, with typical working hours adjusted to accommodate different time zones.