Remote API Integration Engineer — Scalable Integrations

NWN; Boston (MA); Remote; USD 120,000 - 160,000; Full time

Job summary

NWN is seeking an API Engineer in the United States to design, develop, and manage API integrations across internal and client systems. You will collaborate with product, software, IT, and data teams to deliver scalable solutions for our EMP platform.

The role requires hands-on experience with RESTful and SOAP APIs, OAuth, and cloud platforms, plus strong documentation and security practices. Remote work within the U.S. is supported, with travel as needed.

Qualifications

• Experience designing, developing, and maintaining API integrations.
• Translating business needs into technical API specifications.
• Hands-on RESTful and SOAP API experience.
• Creating and maintaining API documentation and usage guidelines.
• OAuth and API key based authentication implementation.

Responsibilities

• Design, develop, and maintain API integrations between internal systems, third‑party platforms, and client applications.
• Implement and optimize API endpoints for performance, scalability, and security.
• Test APIs and integration solutions to ensure reliability and functionality.
• Identify and resolve API performance issues, data inconsistencies, or integration failures.
• Create and maintain detailed documentation for APIs, integration processes, and workflows.

Skills

REST APIs

SOAP APIs

OAuth

JSON/XML

Cloud platforms

Education

Bachelor's degree in CS/IS or related

Tools

Mulesoft

Apigee

Postman

Docker

Kubernetes

Git

SQL/NoSQL

Job description

NWN is seeking an API Engineer in the United States to design, develop, and manage API integrations across internal and client systems. You will collaborate with product, software, IT, and data teams to deliver scalable solutions for our EMP platform.

The role requires hands-on experience with RESTful and SOAP APIs, OAuth, and cloud platforms, plus strong documentation and security practices. Remote work within the U.S. is supported, with travel as needed.