Summary
Overview
Work History
🛠️ Technical Skills
Accomplishments
🏆 Certifications
Timeline
Generic
BALAKUMAR SUBRAMANIAN

BALAKUMAR SUBRAMANIAN

Integration Consultant
Warwick

Summary

Versatile Integration Consultant with 7+ years of experience architecting and implementing enterprise integration frameworks using IBM App Connect Enterprise (ACE), Apache Kafka, and event-driven architectures. Proven ability to design reusable, scalable, and secure integration patterns across hybrid cloud environments. Adept at modernizing legacy systems and enabling real-time data exchange through microservices and streaming platforms.

Overview

10
10
years of professional experience

Work History

Senior Integration Consultant

TATA CONSULTANCY SERVICE
Warwick, Warwickshire
04.2022 - Current
  • Designed and implemented a modular integration framework using IBM ACE and Kafka to support reusable flows and standardized error handling across multiple business units.
  • Architected event-driven microservices for real-time transaction processing using Kafka and IBM Event Streams.
  • Led the enterprise-wide transformation to an Event-Driven Architecture, enabling real-time data exchange
  • Collaborated with enterprise architects and business stakeholders to align EDA strategy with digital transformation goals.
  • Migrated legacy IIB services to ACE on OpenShift, improving deployment efficiency by 40%.
  • Developed reusable integration flows for Salesforce, SAP, and mainframe systems using REST, MQ, and Kafka topics.
  • Established enterprise-wide design and development standards for IBM ACE integrations, ensuring consistency, maintainability, and compliance across 30+ services.
  • Led governance initiatives to enforce naming conventions, logging strategies, and deployment best practices.

Integration Developer

Tata Consultancy Service
Bengaluru, India
06.2017 - 04.2022
  • Contributed to the creation of reusable templates and coding standards for IBM ACE message flows and subflows.
  • Developed a custom integration framework to streamline onboarding of new APIs and services.
  • Contributed as a core developer in the migration of IBM WebSphere Message Broker (WMB) to App Connect Enterprise (ACE) v11, including flow refactoring, testing, and deployment.
  • Created detailed Design and Unit Specification documents for integration solutions, ensuring alignment with architectural standards and business requirements.
  • Defined and enforced development standards for IBM ACE integrations, improving maintainability and code quality.
  • Wrote comprehensive test scripts and executed UNIT, SIT, and UAT testing for ACE message flows and microservices.
  • Performed End-to-End testing across distributed systems to validate integration logic and ensure successful project delivery.

Support Engineer

Tata Consultancy Service
Bengaluru, India
06.2015 - 04.2017
  • Provided Level 2 and Level 3 production support for IBM Integration Bus (IIB) and WebSphere MQ environments across multiple business-critical applications.
  • Monitored message flows, queues, and broker health using tools like MQ Explorer, ITCAM, and custom scripts.
  • Diagnosed and resolved complex integration issues including message failures, queue depth alerts, and broker crashes.
  • Performed incident management, root cause analysis , and implemented permanent fixes to reduce recurring issues.
  • Collaborated with development teams to deploy hotfixes and configuration changes in lower and production environments.
  • Participated in on-call rotations and ensured 24x7 availability of integration services with minimal downtime.

🛠️ Technical Skills

  • Integration & Messaging: IBM ACE, IIB, WebSphere MQ, Apache Kafka, IBM Event Streams, IBM API Connect, DataPower
  • Architecture: Event-Driven Architecture (EDA), Microservices, Pub/Sub, Streaming Data Pipelines
  • Languages: Java, ESQL, XML, JSON, XSLT, SQL
  • Cloud & DevOps: IBM Cloud, AWS, Docker, OpenShift, Jenkins, Git
  • Protocols: REST, SOAP, JMS, HTTP, Kafka, SFTP
  • Security: OAuth 2.0, JWT, SSL/TLS, LDAP
  • Methodologies: Agile, Scrum, CI/CD, SDLC

Accomplishments

    Bachelor of Technology (B.Tech) in Information Technology Sri Manakula Vinayagar Engineering College, Pondicherry, India 2011 – 2015

🏆 Certifications

  • IBM Certified Developer – IBM Integration Bus
  • Confluent Certified Developer for Apache Kafka
  • IBM Cloud Pak - CP4i Solution Architect

Timeline

Senior Integration Consultant

TATA CONSULTANCY SERVICE
04.2022 - Current

Integration Developer

Tata Consultancy Service
06.2017 - 04.2022

Support Engineer

Tata Consultancy Service
06.2015 - 04.2017

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BALAKUMAR SUBRAMANIANIntegration Consultant