Integration Engineer, AppZen

• If you enjoy rolling up your sleeves, solving complex integration puzzles, and seeing your work directly impact customers, this role is for you
• 5–8 years of hands-on experience building and supporting enterprise integrations
• Strong proficiency with at least one iPaaS platform: Workato, MuleSoft Anypoint, Dell Boomi, Celigo, or SnapLogic
• Solid programming skills in Python, JavaScript, or Java—you write production-quality code
• Hands-on experience with RESTful API development and consumption, including authentication methods (API keys, OAuth, JWT)
• Working knowledge of SOAP web services and XML/XSLT transformations
• Experience with SFTP, secure file handling, and batch processing workflows
• Familiarity with Finance and Procurement processes (Procure to Pay, Accounts Payable, Expenses) is a strong plus
• Exposure to enterprise systems such as Workday, NetSuite, Coupa, Microsoft Dynamics, or similar
• Experience with cloud platforms (AWS, Azure, or GCP)—comfortable navigating S3, Lambda, API Gateway, or equivalent services
• Strong troubleshooting mindset—you dig into logs, trace data flows, and don't stop until you find the root cause
• Proficient in writing and debugging integration code in Python, JavaScript, or JavaHands-on experience building Workato recipes, MuleSoft flows, or Boomi processes
• Strong SQL skills for querying relational databases (PostgreSQL, MySQL, SQL Server)
• Familiarity with NoSQL databases (MongoDB, DynamoDB) is a plus
• Experience with EDI standards (cXML, ANSI X12) for supplier integrations
• Comfortable with API testing tools like Postman, Insomnia, or cURL
• Understanding of CI/CD practices and version control (Git)
• Experience with logging and monitoring tools (Splunk, Datadog, CloudWatch, or similar)
• Familiarity with message queues (Kafka, RabbitMQ, SQS) and event-driven patterns is a plus

Desirable

• The Integration Engineer is responsible for building, implementing, and maintaining integrations between AppZen and our customers' enterprise systems
• This is a hands-on technical role focused on delivering robust, scalable integration solutions
• You will work directly with customer technical teams, write code, configure iPaaS platforms, troubleshoot production issues, and ensure data flows seamlessly across systems
• Build and deploy integrations connecting AppZen with customer ERP, procurement, and financial systems using iPaaS platforms like Workato, MuleSoft, Boomi, or Celigo
• Develop, test, and maintain RESTful APIs, SOAP web services, webhooks, and flat file-based integrations (CSV, XML, JSON)
• Write and maintain integration scripts and custom connectors using Python, JavaScript, or Java
• Configure and manage secure file transfers using SFTP, AS2, and cloud storage solutions
• Implement and troubleshoot Single Sign-On configurations (SAML, OAuth 2.0, OIDC)
• Monitor integration jobs, investigate failures, and resolve production issues with urgency
• Write SQL queries for data validation, transformation, and troubleshooting
• Build reusable Workato recipes, MuleSoft flows, or equivalent automation workflows
• Create and maintain technical documentation including integration specifications, data mappings, and runbooks
• Participate in customer calls to gather requirements, demo solutions, and provide technical support
• Collaborate with Product, Engineering, and Customer Success teams to improve integration capabilities
• Perform root cause analysis on integration failures and implement permanent fixes