API Designer/Developer

7 days ago

Upper Sandusky, Ohio, United States Kalmbach Feeds Full time

About the Role:

Kalmbach Feeds is seeking a passionate, hard-working API Integration Developer to join our IT Business Systems team. As we continue to grow, this role will focus on designing, developing, and maintaining API integrations between our ERP system (Sage X3), Warehouse Management System (Korber Warehouse Advantage), SaaS applications, and customer systems. You will play a key part in strategic projects that improve our processes and customer experience, supporting our rapid growth and commitment to service.

Primary Responsibilities:

  • Design, develop, and maintain API integrations between ERP, WMS, SaaS applications, vender supplied on-prem applications, and customer systems.
  • Build solutions for receiving customer orders and sending order acknowledgements, invoices, and advance shipment notices (ASNs) via API to a Value-Added Network (VAN), which will translate these to EDI formats for trading partners.
  • Write code primarily in Python and PowerShell, working with JSON or XML-formatted files.
  • Develop and execute test plans to validate API integrations to ensure reliability, accuracy, and security of data exchanges. Collaborate with stakeholders to resolve issues and continuously improve integration quality
  • Develop familiarity with Sage X3 ERP and Warehouse Advantage data structures and tables over time.
  • Monitor integration performance, troubleshoot issues, and implement solutions.
  • Collaborate with customers, key accounts, and IT staff to support integration projects and decision-making.
  • Maintain clear documentation for integration designs, configurations, and processes.
  • Ensure consistent, secure, and compliant data exchanges across all applications.

The Right Candidate:

  • Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience).
  • 2–5 years of experience in API development or a similar role.
  • Proven ability to understand business transactions and related data formats in a manufacturing environment.
  • Proficiency in API design principles (REST, SOAP).
  • Experience with Python and PowerShell for integration development.
  • Familiarity with EDI concepts (e.g., ANSI X12) to support collaboration, but deep technical EDI expertise is not required.
  • Understanding of data security and compliance best practices.
  • Strong analytical and problem-solving skills.
  • Excellent communication and teamwork abilities.

Preferred Skills

  • Experience with ERP (especially Sage X3) and warehouse management systems (especially Warehouse Advantage).

About the Company:

Kalmbach Feeds offers the highest quality nutritional products for livestock, poultry, and companion animals. The company was founded in 1963 by Milton and Ruth Kalmbach with a vision to develop the finest products, providing customers with the best possible nutritional value. The Kalmbach family's traditional core values have served as the compass for consistent

success for over five decades, and the company has become the regional leader within the animal nutrition industry. Kalmbach Feeds enjoys an excellent reputation for quality and integrity within the animal nutrition industry and is comprised of smart self-starters who are driven to serve customers. Our experienced, talented team utilizes cutting-edge technology and proprietary processes to deliver safe, innovative products. Our stringent ingredient testing, computer automated systems, patented technologies, dedicated manufacturing facilities, and in-house nutrition specialists guarantee it. Additional information regarding our exciting company can be found at and

Kalmbach Feeds Offers:

  • Medical, Dental, and Vision Benefits with eligibility on date of hire
  • 401(K) (traditional and Roth options) with generous company match
  • 3 Weeks Paid Time Off in first year
  • Company Paid Short Term and Long Term Disability
  • Company Paid Life Insurance
  • Competitive Compensation
  • On Staff Life Coach
  • Medical and Dependent Care Reimbursement Plans
  • Access to Beach Front Company Condo in Fort Myers, FL

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