API CoE Engineer

Job description

**Who We Are** At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive. **The Role** Job Title: Senior SME – API Center of Excellence (CoE) Role Overview We are looking for a Senior Subject Matter Expert (SME) to drive API strategy, standards, and adoption across application development teams. This role sits within the API Center of Excellence (CoE) and is responsible for ensuring the design and implementation of high-quality, reusable, secure, and scalable APIs aligned with enterprise architecture principles. Key Responsibilities API Strategy & Governance Define and enforce API design standards, guidelines, and best practices (REST, event-driven, GraphQL where applicable) Establish governance models for API lifecycle management (design, build, publish, versioning, retirement) Drive consistency in API design across domains and teams Advisory & Enablement Partner with application development teams to guide them in selecting the right API patterns (e.g., System, Process, Experience APIs) Provide hands-on design reviews and architecture guidance Act as a trusted advisor for API-led integration and modernization initiatives API Design & Quality Ensure APIs are designed for reusability, scalability, and performance Promote API-first design using OpenAPI/Swagger specifications Define and enforce standards for security (OAuth2, mTLS, etc.), versioning, and documentation Adoption & Evangelization Drive API adoption across the organization through workshops, training, and reusable templates Build and maintain API design playbooks, reference architectures, and accelerators Promote API product mindset and developer experience (DX) Platform & Tooling Work with API management platforms (e.g., Apigee, MuleSoft, Kong, Azure API Management) Define CI/CD integration patterns for APIs Enable API discovery via developer portals and catalogs Collaboration Work closely with Enterprise Architecture, Platform Engineering, Security, and DevOps teams Align API initiatives with broader digital and integration strategy Required Skills & Experience 10+ years in software engineering, integration, or API development Strong expertise in API design principles (REST, event-driven architecture, microservices) Hands-on experience with API management platforms (e.g., Apigee, MuleSoft, Kong, Azure APIM) Experience with API specifications (OpenAPI/Swagger), API gateways, and developer portals Strong understanding of API security (OAuth2, JWT, mTLS) Experience in CI/CD pipelines and DevOps practices Proven ability to influence and guide multiple development teams Preferred Qualifications Experience in setting up or working within an API CoE Knowledge of domain-driven design (DDD) and API-led connectivity Exposure to cloud platforms (Azure, AWS, GCP) Familiarity with event streaming (Kafka, messaging systems) Strong communication and stakeholder management skills **Who You Are** Job description and skills required: Job Title: Senior SME – API Center of Excellence (CoE) Role Overview We are looking for a Senior Subject Matter Expert (SME) to drive API strategy, standards, and adoption across application development teams. This role sits within the API Center of Excellence (CoE) and is responsible for ensuring the design and implementation of high-quality, reusable, secure, and scalable APIs aligned with enterprise architecture principles. Key Responsibilities API Strategy & Governance Define and enforce API design standards, guidelines, and best practices (REST, event-driven, GraphQL where applicable) Establish governance models for API lifecycle management (design, build, publish, versioning, retirement) Drive consistency in API design across domains and teams Advisory & Enablement Partner with application development teams to guide them in selecting the right API patterns (e.g., System, Process, Experience APIs) Provide hands-on design reviews and architecture guidance Act as a trusted advisor for API-led integration and modernization initiatives API Design & Quality Ensure APIs are designed for reusability, scalability, and performance Promote API-first design using OpenAPI/Swagger specifications Define and enforce standards for security (OAuth2, mTLS, etc.), versioning, and documentation Adoption & Evangelization Drive API adoption across the organization through workshops, training, and reusable templates Build and maintain API design playbooks, reference architectures, and accelerators Promote API product mindset and developer experience (DX) Platform & Tooling Work with API management platforms (e.g., Apigee, MuleSoft, Kong, Azure API Management) Define CI/CD integration patterns for APIs Enable API discovery via developer portals and catalogs Collaboration Work closely with Enterprise Architecture, Platform Engineering, Security, and DevOps teams Align API initiatives with broader digital and integration strategy Required Skills & Experience 10+ years in software engineering, integration, or API development Strong expertise in API design principles (REST, event-driven architecture, microservices) Hands-on experience with API management platforms (e.g., Apigee, MuleSoft, Kong, Azure APIM) Experience with API specifications (OpenAPI/Swagger), API gateways, and developer portals Strong understanding of API security (OAuth2, JWT, mTLS) Experience in