Omkar Kajarekar

Role: System Engineer at Tata Consultancy Services
Location: Kolhapur, MH, IN
LinkedIn followers: 500 followers

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About Omkar Kajarekar

I’m a software engineer with 2.5 years of experience building robust backend systems in…

Experience

System Engineer
Tata Consultancy Services
Dec 2023 — Present · Bengaluru, IN
Summary:Working as a consultant engineer for a large-scale core banking modernization project for a global bank. Responsible for building microservices and orchestrating data migration from legacy IBM DB2 systems to Oracle, using cutting-edge technologies in backend development and DevOps.Key Responsibilities & Achievements:Designed and implemented microservices using Spring Boot, handling customer updates and relationship modeling (e.g. joint accounts, nominees).Developed Kafka-based event-driven architecture to manage asynchronous workflows and ensure data consistency across services.Built RESTful APIs with Spring Security integrated with ADFS and Swagger for secure and documented service exposure.Engineered scalable Spring Batch jobs to process over 5 million+ customer records during migration.Developed CDC (Change Data Capture) logic with Kafka to ensure audit trails, rollback capability, and traceability.Deployed services using Docker and Kubernetes with Helm charts; configured environments for seamless CI/CD via Jenkins.Set up real-time monitoring with Prometheus and Grafana; created logging and alerting pipelines using Splunk.Wrote comprehensive test suites using JUnit, Mockito, and Cucumber for unit, integration, and BDD coverage.Followed Agile/Scrum practices and actively participated in sprint planning, reviews, and daily standups.Tech Stack:Java · Spring Boot · Kafka · Oracle · IBM DB2 · Spring Batch · Swagger · Docker · Kubernetes · Jenkins · Prometheus · Grafana · Splunk · JUnit · Cucumber · Agile

Contact information

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Current company

Tata Consultancy Services

IT Services and IT Consulting · 726K employees · Founded 1968 · Mumbai, India

Tata Consultancy Services (TCS) is the technology partner of choice for industry leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence, and customer service. It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence. Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 55 countries and 202 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients – helping them emerge as perpetually adaptive enterprises. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today. TCS sponsors 14 of the world’s most prestigious marathons and endurance events, including the TCS New York City Marathon, TCS London Marathon and TCS Sydney Marathon with a focus on promoting health, sustainability, and community empowerment. Caution against fraudulent job offers: TCS doesn’t charge any fee throughout the recruitment process. Refer here: https://www.tcs.com/careers/india/recruitment-fraud-alert

tcs.com

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About Omkar Kajarekar

Experience

System Engineer

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