20x CP4i (Cloud Pack 4 Integration) Developers

Senior Integration Developer

IBM App Connect Enterprise (ACE) / IIB (v11/v12):

Deep expertise in designing and implementing message flows, subflows, and reusable libraries (Common, Libraries).

Proficient in message transformation and routing using ESQL, Java, Graphical Data Maps, and XSLT.

Hands-on experience with core nodes (HTTP, SOAP, REST, File, Database, Kafka, MQ) and processing patterns.

Experience implementing database connections using JDBC and ODBC with transaction coordination (XA).

IBM MQ (v9.x):

Advanced understanding of IBM MQ architecture, including Queue Managers, local/remote queues, transmission queues, channels, listener configurations, and clustering.

Strong knowledge of transaction management, persistent vs. non-persistent messaging, strict FIFO sequencing, and backout/retry/Dead-Letter Queue (DLQ) processing.

Implementation experience with MQ security (SSL/TLS channel security, MQCSP, and Channel Authentication records).

IBM API Connect (APIC) (v10.x):

Proven experience designing, securing, publishing, and managing the lifecycle of REST APIs and GraphQL APIs.

Proficiency in drafting custom assembly policies, rate limiting, and client onboarding.

Familiarity with OAuth 2.0, OpenID Connect (OIDC), JSON Web Tokens (JWT), and Mutual TLS (mTLS) configurations at the gateway tier.

IBM Event Streams / Apache Kafka:

Solid understanding of Event-Driven Architecture (EDA) principles.

Experience designing topics, partition strategies, consumer groups, offset commit management, and schema registries.

2. Modern Architecture & Deployment Platforms

IBM Cloud Pak for Integration (CP4I):

Strong hands-on experience deploying, running, and configuring CP4I components on Red Hat OpenShift (OCP) or standard Kubernetes clusters.

Comfortable with container concepts, non-root container constraints, minimal base images (such as Red Hat UBI-minimal), and environment-specific configuration maps/secrets.

DevOps & Automation:

Experience writing CI/CD pipelines (Azure DevOps, Jenkins, GitLab, or Tekton) tailored for integration artifacts.

Familiarity with headless build tools like mqsicreatebar or Maven-based plugins for packaging BAR files.

Preferred & Nice-to-Have Skills

IBM MQ Managed File Transfer (MFT): Setting up secure bulk transfer agents with PGP/SHA validation.

Enterprise Integration Experience: Integrating with backends such as SAP (via RFC/BAPI/OData)

IBM Certified Specialist / Professional Architect: Holds certifications in API Connect, App Connect Enterprise, or CP4I Administration/Development.

Leadership & Soft Skills

Technical Governance: Proven ability to produce technical designs , conduct peer code reviews, and establish integration best practices and guidelines for a development team.

Collaboration: Strong capability to liaise with system owners, business analysts, security teams, and infrastructure operations to translate requirements into precise Interface Control Documents (ICDs).

Problem-Solving: Strong debugging skills under pressure, using tracing, core dumps, and structured logs to triage complex distributed-system failures.