S S AARTHIKA
Chennai
Summary
Middleware and API Integration Engineer with over 4 years of experience in secure, scalable integrations within BFSI using IBM DataPower and IBM App Connect Enterprise. Expertise in API development and message transformation, with a focus on high-availability systems for banking applications. Currently enhancing backend skills in Python, developing RESTful services with FastAPI, and exploring modern API architectures.
Overview
5
5
years of professional experience
Work History
Senior Engineer
Tata Consultancy Services
08.2021 - Current
- Working as an Enterprise Integration Services (EIS) Engineer, delivering and enhancing secure API integrations using IBM DataPower API Gateway for banking and payment applications.
- Designed and configured DataPower services, API routing rules and security policies to enable secure communication between consumer applications and backend banking systems.
- Developed and maintained integration flows in IBM App Connect Enterprise (ACE) / IBM Integration Bus, implementing message routing and performing XML/JSON transformations for system integrations.
- Actively involved in IBM DataPower platform upgrade initiatives, validating API configurations, service routing rules and backend endpoint mappings to ensure compatibility with upgraded gateway environments.
- Supported migration of integration services to IBM App Connect Enterprise (ACE) by updating message flows, validating message transformations and verifying backend connectivity across environments.
- Conducted regression testing and troubleshooting of API services following DataPower upgrades and ACE migrations to ensure stable operation of integration services.
- Utilized Splunk and Dynatrace to monitor API performance, analyze logs and troubleshoot integration failures across middleware components.
- Actively used Postman and Bruno for API testing, validating request/response payloads and verifying service endpoints during development and troubleshooting.
- Managed version control and deployment activities using Git and IBM UrbanCode Deploy to support controlled releases across development, testing and production environments.
- Proposed and developed Root Cause Analysis (RCA) enhancement POC using Splunk log data and machine learning techniques to improve issue identification.
- Developed a FastAPI-based diagnostic tool to analyze IBM DataPower service configurations and API routing paths, enabling faster identification of backend endpoint mismatches during integration troubleshooting. The tool is being explored for internal adoption to improve support efficiency and accelerate root cause analysis of API issues.
- Received Outstanding Achievement recognition from the client for consecutive years for BFSI project delivery.
Education
MBA (Part-Time) - Business Administration
SRM Institute of Science & Technology
Chennai06-2025
Bachelor of Engineering -
St. Joseph's College of Engineering
Chennai08-2021
Skills
- REST API Development
- FastAPI
- API management
- IBM DataPower API Gateway
- IBM App Connect Enterprise (ACE) / IBM Integration Bus
- Message Transformation
- JSON
- XML
- API Gateway Policies
- Python
- Splunk
- Dynatrace
Key Initiatives And Achievements
- Proposed and developing a Root Cause Analysis (RCA) enhancement POC using Splunk log data, machine learning techniques and LLM-assisted insights.
- Developed a FastAPI-based diagnostic tool to analyze IBM DataPower service configurations and API routing paths, enabling faster identification of backend endpoint mismatches during integration troubleshooting. The tool is being explored for internal adoption to improve support efficiency and accelerate root cause analysis of API issues.
- Worked closely with BFSI leads to support planning and coordination of client visits and townhall meetings.
- Received Outstanding Achievement recognition from the client for consecutive years for BFSI project delivery.
Timeline
Senior Engineer
Tata Consultancy Services
08.2021 - Current
MBA (Part-Time) - Business Administration
SRM Institute of Science & Technology
Bachelor of Engineering -
St. Joseph's College of Engineering