IBM Integration Bus and App Connect Enterprise DevOps Software Engineer

IBM IIB / ACE DevOps Software Engineer

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

Key Responsibilities

Integration Development (IIB / ACE)

• Design, develop, and maintain message flows, subflows, ESQL logic, mappings, and integration components within IBM IIB/ACE.
• Build integration solutions supporting SOAP, REST APIs, MQ, HTTP(S), JDBC/SQL, and file‑based interfaces.
• Develop reusable components, transformation logic, error‑handling frameworks, and flow patterns for enterprise use.

Messaging & API Engineering

• Implement and support services and interfaces using:
  • SOAP / WSDL
  • REST / OpenAPI specifications
  • MQ message models (XML, JSON, BLOB, custom formats)
  • HTTP/HTTPS connectivity, security tokens, authentication models
• Ensure proper integration of Java code, Java Compute Nodes (JCNs), and reusable Java libraries within IIB/ACE.

DevOps, Deployment & CI/CD

• Provide DevOps support for deployments, versioning, and integration delivery pipelines.
• Automate build & deployment operations using scripts, ACE Toolkit, CI/CD tools (Jenkins, Git, Azure DevOps, etc.).
• Support environment readiness (DEV/SIT/UAT/PROD), configuration management, and flow deployment lifecycle.

Performance Engineering & Troubleshooting

• Perform performance tuning of message flows, JVM nodes, MQ connectivity, thread pools, and integration servers.
• Diagnose runtime issues (exceptions, memory, heap, database, MQ latency, authentication failures).
• Conduct root cause analysis for integration failures and implement long‑term fixes.

Operational & Production Support

• Provide L3/L4 support for integration outages, failed deployments, runtime issues, or performance degradation.
• Improve monitoring and observability using logs, probes, monitoring dashboards, and tracing.
• Work with MQ teams, DB teams, network teams, and app teams to resolve complex integration issues.

Collaboration & Consulting

• Partner with application teams to understand interface requirements and guide them on best practices for integration.
• Participate in solution design reviews, capacity planning, and architecture discussions.
• Provide thought leadership and mentor junior developers on ACE/IIB development and DevOps techniques.

Who You Are

Required Qualifications

• 12+ years experience in IBM IIB / IBM App Connect Enterprise (ACE) development and support.
• Strong hands‑on experience with:
  • Message flow design & development
  • SOAP / REST services
  • Java, SQL, MQ, HTTP‑based integrations
  • Error handling, logging frameworks, integration patterns
• Solid scripting and DevOps capabilities (shell scripting, CI/CD pipelines, automation tooling).
• Strong debugging skills with logs, trace nodes, user traces, and runtime metrics.
• Experience supporting production deployments, performance tuning, and troubleshooting.

Preferred / Nice to Have

• Knowledge of Kafka, API Gateways, or cloud‑based integration platforms (AWS, Azure, GCP).
• Experience with MQFTE/MFT, JMS‑based applications, or enterprise service bus (ESB) patterns.
• Familiarity with containerization (Docker, Kubernetes) for ACE deployments.
• Exposure to ITIL processes (change, incident, problem management).

Core Competencies

• Analytical problem‑solving and strong debugging mindset.
• Excellent communication and ability to collaborate with cross‑functional engineering teams.
• Ability to work in fast‑paced environments and support mission‑critical integrations.
• Strong ownership, documentation discipline, and attention to detail.

Success Measures (KPIs)

• Reliable and stable integration flows in production with minimal incidents.
• High‑quality deployments with reduced failures and faster delivery cycles.
• Improved integration performance and reduced latency.
• Strong internal customer satisfaction across application and business teams.

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.

Experience Level

Senior Level