Senior ERP Integration Engineer — Remote Contract

TEKsystems; Longmont (CO); Remote; USD 103,000 - 124,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k)/Roth

Life Insurance

Short/Long-term disability

HSA

Transportation benefits

Employee Assistance Program

PTO / Vacation

Job summary

TEKsystems has a contract role for an Integration Developer supporting a ERP implementation project in Colorado. The role focuses on non-LN build, API configuration and middleware, file interfaces, test automation, and end-to-end testing to ensure connectivity between Infor LN and third-party systems.

You will validate technical specs, build and configure third-party integration, manage test environments, and coordinate with vendor teams, with go-live targeted for July 2027.

Qualifications

• 5+ years of hands-on integration engineering between business systems.
• REST API integration (OAuth, API keys, payloads, error handling) and file-based integration (flat file, XML, SFTP).
• Setting up and running integration tests with environments, test data and defect tracking.
• Reading technical specifications and coordinating with vendors for documentation and sandboxes.
• Experience with ERP implementations or major upgrades through go-live.

Responsibilities

• Review Infor’s technical specifications from the third-party side and assess mappings, keys, and error handling.
• Build and configure the third-party side: API interfaces, file interfaces, and vendor services for on-premises systems.
• Obtain and configure test environments, credentials, service accounts, and maintain environment endpoints and configurations.
• Prove LN to third-party connections early in testing; coordinate network and security for on-premises systems.
• Trace failures across LN, middleware, network and third-party systems; own fixes or escalation.
• Write and execute unit and end-to-end integrations tests, load data with migration team, log defects.
• Support deployment through environments to production, perform cutover checks and hypercare.
• Document a hand-over note per integration.

Skills

Integration engineering

REST API

File-based integration

Test environments

Vendor coordination

ERP go-live

Job description

TEKsystems has a contract role for an Integration Developer supporting a ERP implementation project in Colorado. The role focuses on non-LN build, API configuration and middleware, file interfaces, test automation, and end-to-end testing to ensure connectivity between Infor LN and third-party systems.

You will validate technical specs, build and configure third-party integration, manage test environments, and coordinate with vendor teams, with go-live targeted for July 2027.