At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees have been key factors in our company''s growth and market presence. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.

For more than 25 years, NTT DATA Services have focused on impacting the core of your business operations with industry-leading outsourcing services and automation. With our industry-specific platforms, we deliver continuous value addition, and innovation that will improve your business outcomes. Outsourcing is not just a method of gaining a one-time cost advantage, but an effective strategy for gaining and maintaining competitive advantages when executed as part of an overall sourcing strategy.

NTT DATA Services currently seeks a Senior Integration Engineer with API development expertise to join our client''s team in Phoenix AZ. This is an exciting opportunity for a Temporary to Hire position. This job is remote with 1-2 days in the office. Per the contract, this is a W2 position and not able to sponsorship Visa. No C2C or Agency assistance permitted.

Job Description Summary

The Senior Integration Engineer – API Development plays a critical role in designing, developing, and supporting enterprise integration solutions within the EDI Data Exchange organization with a leading health payor. This role will focus on designing, building, and maintaining scalable API solutions, with a strong emphasis on MuleSoft development. This position is responsible for modernizing and scaling data exchange capabilities by building secure, high-performing APIs and integration frameworks that enable seamless data flow between internal systems, provider networks, partners, and regulatory entities.

Reporting to the Manager of EDI Data Exchange, this individual will serve as a technical leader in bridging traditional EDI transactions (e.g., X12, HL7) with modern API-driven architectures. The Senior Integration Engineer will collaborate closely with cross-functional teams—including application development, infrastructure, data engineering, and external vendors—to deliver scalable, compliant, and reliable integration solutions that support healthcare operations, claims processing, member services, and provider data exchange.

This role requires a strong blend of hands-on API development expertise, healthcare data exchange knowledge, and the ability to lead integration initiatives in a highly regulated environment.

Technical Expertise

• Strong experience designing and developing RESTful APIs and microservices architectures
• Proficiency in modern programming languages such as Java, Python, or Node.js
• Hands-on experience with API gateways (e.g., Apigee, Mulesoft, Azure API Management)
• Experience with integration platforms / middleware (e.g., MuleSoft, Boomi, IBM Integration Bus)
• Solid understanding of data formats and protocols including JSON, XML, SOAP, and REST
• Experience working with cloud platforms (Azure, AWS, or Google Cloud Platform) and containerization (Docker/Kubernetes)
• Familiarity with CI/CD pipelines, DevOps practices, and version control (Git)

EDI & Healthcare Data Exchange

• Strong knowledge of EDI transactions (X12 270/271, 834, 835, 837, etc.)
• Experience integrating EDI systems with modern APIs
• Familiarity with HL7/FHIR standards and healthcare interoperability frameworks
• Understanding of payer-provider data exchange workflows, claims processing, and eligibility systems
• Knowledge of HIPAA compliance, data privacy, and security requirements

Architecture & Integration Design

• Experience designing end-to-end integration solutions across hybrid environments
• Ability to translate business requirements into scalable integration architecture and API designs
• Knowledge of event-driven architecture, message queues, and streaming (Kafka, MQ, etc.)
• Strong problem-solving skills in debugging and optimizing integration performance

Collaboration & Leadership

• Ability to work cross-functionally with EDI teams, developers, vendors, and business stakeholders
• Experience leading or mentoring junior engineers and guiding technical decision-making
• Strong communication skills with the ability to explain complex technical concepts to non-technical stakeholders
• Ability to operate effectively in a matrixed, regulated healthcare environment

Key Responsibilities
Design, develop, and implement API-led integration solutions using MuleSoft
Build and maintain scalable, secure, and high-performing APIs across enterprise systems
Collaborate with cross-functional teams to gather requirements and deliver integration solutions
Support end-to-end integration lifecycle including development, testing, deployment, and maintenance
Troubleshoot and resolve integration and performance issues in production environments

Required Qualifications
5–10 years of experience in MuleSoft development
5+ years of  experience in API design, development, and integration architecture
3 years of proven ability to deliver enterprise-level integration solutions
3 years of experience with other API platforms/tools (Kong is a plus)
5+ years of overall application development experience (full-stack preferred)

Education:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)

About NTT DATA Services:

NTT DATA Services is a recognized leader in IT and business services, including cloud, data and applications, headquartered in Texas. As part of NTT DATA, a $30 billion trusted global innovator with a combined global reach of over 80 countries, we help clients transform through business and technology consulting, industry and digital solutions, applications development and management, managed edge-to-cloud infrastructure services, BPO, systems integration and global data centers. We are committed to our clients'' long-term success. Visit nttdata.com or LinkedIn to learn more.

NTT DATA Services is an equal opportunity employer and considers all applicants without regarding to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees. If you need assistance or an accommodation due to a disability, please inform your recruiter so that we may connect you with the appropriate team.

Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting hourly range for this remote role is ($57 - 78/hourly w2). This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate''s actual work location, relevant experience, technical skills, and other qualifications.