Deliver scalable integration solutions connecting AppZen with customer enterprise systems while troubleshooting and optimizing complex integration challenges.
AppZen is the leader in autonomous spend-to-pay software. Its patented artificial intelligence accurately and efficiently processes information from thousands of data sources so that organizations can better understand enterprise spend at scale to make smarter business decisions. It seamlessly integrates with existing accounts payable, expense, and card workflows to read, understand, and make real-time decisions based on your unique spend profile, leading to faster processing times and fewer instances of fraud or wasteful spend. Global enterprises, including one-third of the Fortune 500, use AppZen’s invoice, expense, and card transaction solutions to replace manual finance processes and accelerate the speed and agility of their businesses. To learn more, visit us at www.appzen.com.
Role Overview:
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. If you enjoy rolling up your sleeves, solving complex integration puzzles, and seeing your work directly impact customers, this role is for you.
Key responsibilities :
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
Required Experience & Qualifications:
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
Required Technical Skills:
Proficient in writing and debugging integration code in Python, JavaScript, or JavaHands-on experience building Workato recipes, MuleSoft flows, or Boomi processes
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