Middleware Integration Developer

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

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.
Key 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 contributions will have a significant impact on our products' success, and you will be part of a team that is passionate about innovation, creativity, and excellence. Above all else, you will have the freedom to drive innovation and take ownership of your work while honing your problem-solving, collaboration, and automation skills. Together, we can make a difference in the world of cloud-based managed services.

Your Future at Kyndryl
Every position at Kyndryl offers a way forward to grow your career. We have opportunities that you won’t find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here.

Who You Are

You’re good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you’re open and borderless – naturally inclusive in how you work with others.
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

• Certifications in IBM ACE / API Connect / Integration

• Experience in enterprise-scale transformation programs

• Exposure to regulated domains especially in Banking domain is preferred

Being You

The “Kyn” in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don’t meet every requirement, we encourage you to apply. We believe in growth, and we’re excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success. That’s The Kyndryl Way.

What You Can Expect

Your career with us isn’t just a job—it’s an adventure with purpose.  We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best.
From your very first day, you’ll dive into impactful work that powers the systems our customers rely on every day. You won’t just contribute—you’ll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth.
We’re here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you’ll have everything you need to thrive and evolve. You’ll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you’ll be part of a culture that values empathy, restless learning, and a devotion to shared success.
We want you to thrive here—and we’re committed to helping you do just that. Ready to make an impact? Join us and help shape what’s next.

Get Referred!

If you know someone that works at Kyndryl, when asked ‘How Did You Hear About Us’ during the application process, select ‘Employee Referral’ and enter your contact's Kyndryl email address.