Sr. API Developer (Onsite / FTE)

Ntt Data
Atlanta, GA

Collaborate with the Business Analyst(s)/Architects on non-functional requirements Triage and resolve technical issues escalated from development teams Partner with business stakeholders to explore options Identify and evaluate potential solutions Participate in requirement gathering sessions and actively represent technical concerns, options, and potential impacts Understand high-level user stories and expected return Define and document specifications for APIs/SOAP services Write production-quality code using standard integration and API patterns in continuous integration/delivery environments Exposure to Stratus Mainframe/Unix Contribute to quality assurance for the APIs and integrations built in terms of unit testing, functional testing and non-functional testing Test various features/functionalities of new tools/frameworks to be introduced in the mix Collaborate with various stakeholders and multiple teams to own the delivery of high-quality end-product Must have worked in projects implementing Agile methodologies. Proficiency in designing, developing, and maintaining APIs to support web and mobile applications. Strong collaboration skills with both frontend and backend developers to define API requirements. Expertise in ensuring API security and authentication mechanisms are robust. Commitment to monitoring API performance and promptly troubleshooting issues. Dedication to staying updated on API development trends and emerging technologies. Experience in conducting comprehensive code reviews and implementing improvements to enhance API functionality. Ability to work closely with cross-functional teams to deliver scalable and efficient APIs. Skill in documenting APIs effectively for both internal and external users. Track record of delivering high-quality API solutions that meet application requirements. Design, develop, and maintain APIs to support web and mobile applications. Collaborate with frontend and backend developers to define API requirements. Ensure API security and authentication mechanisms are robust. Monitor API performance and troubleshoot issues promptly. Stay updated on API development trends and emerging technologies. 8+ Years of Experience in API Development Travel: This position is 100% onsite Client Location #INDFSINS

Posted 2026-02-28

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