Lead Integration Engineer

Trinus Corporation; Los Angeles (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Trinus Corporation is seeking an experienced Lead Integration Engineer to design, implement, and oversee enterprise integrations that support procurement platforms and ERP systems. This role requires strong leadership in technical architecture and integration solutions.

The ideal candidate holds a Bachelor's degree in a relevant field and has over 8 years of related experience, including a solid background in API engineering and system integration. Responsibilities include optimizing APIs and managing integration across multiple platforms.

Qualifications

• 8+ years of experience in system integration and API engineering.
• 3+ years of technical leadership on large-scale enterprise implementations.
• Hands-on experience with REST APIs, JSON/XML, OAuth 2.0.

Responsibilities

• Lead the technical architecture and implementation of enterprise integrations.
• Design and optimize REST/SOAP APIs and integration patterns.
• Oversee integrations across ERP, procurement, and third-party systems.
• Develop technical documentation and operational runbooks.

Skills

API engineering

System integration

Technical leadership

REST APIs

Integration monitoring tools

Education

Bachelor's degree in Information Technology, Engineering, or related field

Tools

Java

Python

C#

Node.js

Job description

We are seeking an experienced Lead Integration Engineer to design, implement, and oversee enterprise integrations supporting procurement platforms, ERP systems, vendor management, identity management, and related business applications.

Key Responsibilities:

• Lead the technical architecture and implementation of enterprise integrations and APIs.
• Design and optimize REST/SOAP APIs, data flows, integration patterns, and security frameworks.
• Support procurement processes including vendor onboarding, catalogs, contracts, purchase orders, approvals, and invoicing.
• Oversee integrations across ERP, procurement, SSO/IDM, document management, and third-party systems.
• Establish API governance, authentication standards (OAuth 2.0, JWT, SAML, mTLS), monitoring, and performance benchmarks.
• Provide technical leadership, troubleshoot complex integration issues, and coordinate vendor technical teams.
• Develop technical documentation, data mappings, architecture diagrams, and operational runbooks.
• Support CI/CD pipelines, integration testing, performance tuning, and data governance initiatives.

Required Qualifications:

• 8+ years of experience in system integration, API engineering, and enterprise application integrations.
• 3+ years of technical leadership experience on large-scale enterprise implementations.
• Experience with REST APIs, JSON/XML, OAuth 2.0, API Gateways, ESB/iPaaS platforms, and integration monitoring tools.
• Hands‑on experience with Java, Python, C#, or Node.js.
• Experience integrating procurement platforms such as Coupa, Ariba, Jaggaer, Ivalua, or similar solutions.
• Strong knowledge of ERP integrations, data governance, ETL/ELT processes, and procurement workflows.

Education Required:

• Bachelor's degree in Information Technology, Engineering, or a related field (or equivalent experience).