Senior MuleSoft Integration Engineer – API-led Integrations

Seneca Resources; McLean (VA); On-site; USD 110,000 - 140,000; Full time

Job summary

Seneca Resources seeks a MuleSoft Integration Developer to design, build, and implement integrations across Icertis, Infor LN, Costpoint, and related systems using MuleSoft Anypoint Platform. The role emphasizes scalable, secure integrations with API-first design and end-to-end testing in a fast-paced transformation environment.

You will translate requirements into APIs and integration flows, ensure compliance with architecture standards, and support SIT/UAT, CI/CD, and hypercare.

Qualifications

• 5 years of hands on software development experience integrating enterprise systems.
• 3-5 years of hands on experience with MuleSoft Anypoint Platform, including design, development, deployment, and API lifecycle management.
• Experience designing REST and SOAP APIs using RAML or OpenAPI specifications.
• Strong communication skills with the ability to articulate complex technical concepts to technical and non-technical stakeholders.
• Bachelor’s degree in Computer Science, IT, Engineering, or equivalent professional experience.

Responsibilities

• Design, develop, and implement Mule 4 integrations using Anypoint Studio, API Manager, Runtime Manager, and Anypoint Exchange.
• Build RAML/OpenAPI-based REST and SOAP APIs, ensuring adherence to enterprise standards and MuleSoft best practices.
• Develop and maintain integration flows across enterprise systems as part of the Keystone ecosystem.
• Implement authentication and security protocols including OAuth2.0, JWT, SAML, and encryption policies.
• Ensure integrations include appropriate error handling, logging, retry logic, auditing, and monitoring configuration.
• Collaborate with the Integration Architect, ICD Lead, Data Lead, and system integrators to validate design decisions and ensure consistent implementation.
• Participate in design workshops, translate requirements into technical integration specifications, and provide development estimates.
• Support SIT, UAT, and performance testing; resolve integration defects.
• Support CI/CD deployment processes using Jenkins, Git, and related DevOps tooling.
• Produce technical documentation, including integration design, mapping specs, and operational runbooks.
• Provide hypercare support post-go-live to ensure stability, performance, and resolution of integration-related issues.

Skills

MuleSoft Anypoint Platform

API design

RAML/OpenAPI

RESTful APIs

Software dev

CI/CD (Jenkins, Git)

Cloud concepts (AWS)

Security protocols (OAuth2/JWT/SAML)

Education

Bachelor's degree in CS/IT/Engineering

Tools

Anypoint Studio

API Manager

Runtime Manager

Anypoint Exchange

Job description

Seneca Resources seeks a MuleSoft Integration Developer to design, build, and implement integrations across Icertis, Infor LN, Costpoint, and related systems using MuleSoft Anypoint Platform. The role emphasizes scalable, secure integrations with API-first design and end-to-end testing in a fast-paced transformation environment.

You will translate requirements into APIs and integration flows, ensure compliance with architecture standards, and support SIT/UAT, CI/CD, and hypercare.