Integrations Engineer II (API)

System One Holdings, LLC

• $90K — $110K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in IT, Computer Science, Supply Chain, or related field, or equivalent experience.
  • 2-4+ years of experience with API integrations, ideally in logistics or transportation.
  • Familiarity with REST and SOAP APIs, and authentication methods like OAuth 2.0.
  • Experience with TMS, WMS, or ERP systems is advantageous.
  • Strong analytical, problem-solving, and communication skills.
  • Ability to handle multiple priorities in a fast-paced environment.

Responsibilities

  • Design and develop API-based integrations with customers and vendors.
  • Translate business and technical requirements into functional integration solutions.
  • Implement authentication, authorization, and data mapping for API connections.
  • Monitor integration performance and proactively resolve issues or discrepancies.
  • Collaborate with various system teams to ensure integration alignment with standards.
  • Create and maintain technical documentation for integrations and APIs.
  • Assist customers and vendors with onboarding, testing, and validating integrations.

Benefits

  • Health and welfare benefits including medical, dental, and vision coverage.
  • Life insurance and voluntary plans offered.
  • Participation in a 401(k) plan.
Full Job Description
Job Title: Integrations Engineer II (API)

Responsibilities

  • Design, develop, test, and support API-based integrations with customers and vendors, including REST and SOAP web services.
  • Gather and translate business and technical requirements from customers, vendors, and internal teams into working integration solutions.
  • Build and maintain authentication, authorization, and data mapping logic for inbound and outbound API connections (e.g., OAuth, API keys, tokens).
  • Monitor integration performance and data flow, proactively identifying and resolving errors, failures, or data discrepancies.
  • Collaborate with TMS, WMS, ERP, and EDI teams to ensure integrations align with broader system architecture and data standards.
  • Develop and maintain clear technical documentation, including API specifications, data mapping guides, and integration runbooks.
  • Partner with customers and vendors during onboarding to scope, test, and validate new integrations through go-live.
  • Troubleshoot integration issues across the full stack - from API payloads and authentication to downstream system processing.
  • Support security and compliance requirements related to API access, data handling, and third-party connections.
  • Participate in code reviews, testing, and continuous improvement of integration tools, patterns, and processes.
  • Track and manage integration work through Jira and support requests through Freshservice.


Requirements

  • Bachelor's degree in Information Technology, Computer Science, Supply Chain, or a related field; or equivalent work experience.
  • 2-4+ years of experience building or supporting API integrations, preferably in a logistics, supply chain, or transportation environment.
  • Experience working with REST and/or SOAP APIs, including authentication methods such as OAuth 2.0 and API key management.
  • Experience integrating with or supporting TMS, WMS, or ERP platforms is a plus.
  • Familiarity with EDI concepts and X12 transaction sets is a plus, but not required.
  • Knowledge of NetSuite and/or MercuryGate is a plus, but not required.
  • Strong analytical and problem-solving skills.
  • Effective written and verbal communication skills.
  • Ability to manage multiple priorities in a fast-paced environment.
  • Proficiency in Microsoft Office (Excel, Word, Outlook).
  • Experience with Jira for ticket tracking and project management is a plus.
  • Experience with Freshservice for IT service management is a plus.


System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

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#LI-MA2
Ref: #431-IT Tampa

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