Integrations Engineer II (API)

Job overview

The Integrations Engineer II (API) role is onsite in Seaford, Delaware. Compensation is not specified. The position supports customer and vendor integrations across logistics and business systems. The engineer designs, builds, tests, and supports API connections, translating requirements into reliable data flows. The role also troubleshoots integration issues, documents solutions, and coordinates onboarding and go-live work with customers, vendors, and internal teams.

What you'll do

• Design, develop, test, and support REST and SOAP API integrations
• translate business and technical requirements into integration solutions
• build authentication, authorization, and data mapping logic
• monitor data flows and resolve errors or discrepancies
• coordinate with TMS, WMS, ERP, and EDI teams
• maintain API specifications, mapping guides, and runbooks
• support customer and vendor onboarding, testing, and go-live
• participate in code reviews and continuous improvement.

What we're looking for

Skills & competencies

integrations engineer ii

system one

seaford de

19973

full-time

api integrations

rest

soap

oauth 2.0

tms

wms

erp

edi

Work arrangement

• Weekend coverage required

Benefits & perks

• Eligible employees may have medical, dental, vision, spending accounts, life insurance, voluntary plans, and access to a 401(k) plan.

Why this role

The posting notes that experience with TMS, WMS, ERP, EDI/X12, NetSuite, MercuryGate, Jira, and Freshservice may be advantageous; some are listed as preferred rather than required.

About the employer

System One is hiring for this role. Industry: Temporary Help Services. Sector: 56.