API Engineer

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

API Engineer

US-MA-Boston

Job ID: 2026-7392

Type: Regular Full-Time

# of Openings: 1

Category: OFFERINGS

Remote - United States

Responsibilities

We are seeking a skilled and detail-oriented API Integration Engineer to join our team. This role focuses on designing, developing, and managing integrations between various software systems using Application Programming Interfaces (APIs). The Integration Engineer will work closely with cross-functional teams to ensure seamless data flow and system interoperability, contributing to the overall efficiency and scalability of our technology stack. The focus of integrations is to enable the delivery of complex IT managed and operations services within our Experience Management Platform ("EMP"). The API Integration Engineer will work with product management, software development, IT systems, customer success, and data analytics teams to integrate disparate systems that provide solution outcomes for clients and delivery outcomes for service delivery engineering teams.Work closely with Offering Architects, Product Management, Developers, Customer Success, and IT systems teams.

• Design, develop, and maintain API integrations between internal systems, third-party platforms, and client applications.
• Collaborate with development teams to build custom APIs that meet business requirements.
• Implement and optimize API endpoints for performance, scalability, and security.
• Work closely with stakeholders to gather and analyze integration requirements and translate business needs into technical specifications for APIs and integration workflows.
• Conduct thorough testing of APIs and integration solutions to ensure reliability and functionality.
• Identify and resolve issues related to API performance, data inconsistencies, or integration failures.
• Create and maintain detailed documentation for APIs, integration processes, and workflows.
• Provide clear usage guidelines for developers and other stakeholders.
• Implement API security best practices, including authentication, authorization, and encryption.
• Ensure compliance with relevant industry standards and regulations, such as GDPR and HIPAA.
• Monitor API performance and usage to identify bottlenecks or opportunities for optimization.
• Select and configure tools, platforms, and technologies that optimize performance, cost, and maintainability
• Collaborate with stakeholders to understand requirements, solve complex challenges, and deliver solutions that empower customer delivery.
• Help ensure tools and systems integrate seamlessly with existing IT systems, service delivery processes, and standards.
• Performs other duties as assigned.
• Complies with all policies and standards.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related experience
• Experience designing, developing, and maintaining API integrations between internal systems, third‑party platforms, and client applications
• Experience translating business needs into technical specifications for APIs and integration workflows
• Experience identifying and resolving API performance issues, data inconsistencies, or integration failures
• Experience creating and maintaining API documentation, integration processes, workflows, and usage guidelines.
• Hands‑on experience with RESTful and SOAP APIs.
• Familiarity with integration tools and platforms such as Mulesoft, Apigee, Zapier, and Postman.
• Proficiency in programming languages such as Python, Java, JavaScript, or C#.
• Knowledge of API design principles, including JSON, XML, and HTTP protocols.
• Experience with API authentication methods such as OAuth and API keys.
• Familiarity with database systems, including SQL/NoSQL, and data transformation techniques.
• Experience with cloud platforms and services such as AWS, Azure, or Google Cloud.
• Familiarity with microservices architecture and containerization tools such as Docker and Kubernetes.
• Experience with CI/CD pipelines and version control systems such as Git.
• Ability to work closely with cross‑functional stakeholders to understand requirements and solve complex integration challenges
• Demonstrated comfort with adopting emerging AI tools and technologies to optimize processes, improve collaboration, and drive operational effectiveness.
• Certification in API development or integration platforms, such as Mulesoft Certified Developer Preferred

Remote: Job duties are performed from the employee's home home or another approved remote location. Remote employees are expected to maintain productivity, communication, and availability during agreed‑upon working hours, in alignment with company policies.

Requires Travel - Yes

All offers of employment at NWN are contingent upon the successful completion of a comprehensive background check. This process ensures a safe and secure work environment for all employees.

NWN is an Equal Opportunity Employer: NWN provides equal employment opportunity to all employees and applicants for employment free from unlawful discrimination based on race, color, religion, gender, age, national origin, disability, veteran status, marital status, sexual orientation or any other status or condition protected by local, state or federal law.

Equal Opportunity Employer, including disability/protected veterans