Platform Engineer - Middleware

About the role

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. We are seeking an experienced Middleware Integration Developer with deep hands-on expertise in enterprise integration development and API engineering. The role focuses on designing and building scalable, event-driven, and API-led integration solutions using IBM integration technologies. The ideal candidate will have a strong development background (not primarily admin), with proven ability to implement API proxies, service routing, transformations, and event-driven patterns.

Responsibilities

• Design and develop enterprise-grade integration solutions using: IBM App Connect Enterprise (ACE), IBM API Connect Apache Kafka, IBM Transformation Extender (ITX),Implement API-led and event-driven architecturesCreate HLD/LLD designs for integration solutions
• ACE Development: Message flows, sub flows, ESQL and Java Compute nodes
• Implement: Data transformation, routing, enrichment, Integration with backend systems (REST/SOAP/MQ/Kafka)
• Optimize for performance and scalability
• Design and implementation proxies / Service proxies / API routing layers
• Use IBM API Connect to: Develop APIs and proxy layers, Implement routing, versioning, mediation logic
• Apply: Request/response transformation, Traffic policies (throttling, rate limiting)
• Develop Kafka-based integrations: Producers and consumers, Event streaming pipelines.
• Implement real-time data integration patterns
• Integrate Kafka with ACE and API layers
• Develop transformation maps using IBM ITX
• Handle: Complex data formats, High-volume transformations
• Integrate ITX with ACE and APIs
• Implement: Reusable integration components, Error handling and logging frameworks, Security patterns (OAuth, JWT, TLS)
• Ensure adherence to: Coding standards, Performance benchmarks, Integration governance practices
• Stakeholder Collaboration: Work closely with Enterprise architects, Application teams, Infrastructure and DevOps teams, Provide technical guidance and mentorship and Participate in solutioning, estimations, and client discussions
• Your Future at Kyndryl

Requirements

• Required Technical and Professional Experience
• 5 to 7+ years of database developer experience in banking or BFSI domain
• Required Skills on Core Technologies
• Strong hands-on development experience in: IBM ACE (App Connect Enterprise), IBM API Connect, Apache Kafka, IBM Transformation Extender (ITX)
• Expertise in: API Proxy / Service Proxy / API Routing patterns REST/SOAP API development, Microservices & API-led architecture
• Strong knowledge of: JSON, XML, XSD
• Strong coding skills in: ESQL, Java (for integration logic)
• Experience in building: Scalable and reusable integration components
• Understanding of: Enterprise Integration Patterns (EIP)Event-driven systems, Distributed architectures.
• Exposure to: Containers (Docker, Kubernetes, OpenShift) CI/CD (Jenkins, Git), Cloud (AWS / Azure / IBM Cloud)
• Strong development mindset with problem-solving ability
• Ability to translate business requirements into technical solutions
• Effective communication and stakeholder interaction
• Capability to mentor and guide development teams
• Proactive and ownership-driven approach
• Preferred Technical and Professional Experience
• Bachelore's/Master's degree in Information Technology, Computer Science, or equivalent experience
• Certification

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