SUNIL KUMAR
Hyderabad
Summary
Working as Associate Director with 15 yrs experience at S&P Global, specializing in Java, Apache Kafka, Big Data and UI Technologies. Successfully designed a real-time transaction processing platform, enhancing data throughput and fault tolerance. Proven leadership in deploying microservices on Kubernetes, fostering team collaboration, and driving impactful solutions.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Associate Director – DataBricks, Kafka, Spring Boot, React JS Data Engineer
S&P Global
05.2019 - Current
- Designed and implemented a real-time transaction processing platform using Java 17, Spring Boot, and Apache Kafka with high throughput and fault tolerance.
- Developed Kafka Streams applications to enrich, aggregate, and route data to downstream systems (POSTGRES, Elasticsearch).
- Built scalable REST APIs to serve frontend teams and external clients.
- Integrated React.js components with REST APIs for internal analytics dashboards.
- Led containerization using Docker and deployed microservices on Kubernetes across staging and production.
- Processed 3 Millions records events daily with less latency and fault tolerance.
- Delivered UI app using React, improving user engagement.
- Defined product vision, goals, and roadmaps aligned with overall business objectives.
- Provided proactive mentorship to team members by identifying when support was needed—whether technical, domain-specific, or related to interpersonal conflicts.
- Identified and resolved cross-team dependencies early to ensure smooth project execution.
- Took preventive steps to minimize conflicts within the team and foster a collaborative environment.
- Ensured that no individual team member became a single point of failure by promoting knowledge sharing and distributed ownership.
- Raised concerns with leadership promptly when issues related to team performance or project risks were observed.
Technical Lead – Spring Boot, Coherence Cache, Active MQ, UI Framework
S&P Global
02.2015 - 04.2019
- Expose RESTFUL micro web service using circuit design pattern.
- Implement the search module using coherence cache that support both wildcard and exact match search criteria.
- Making the Microservices intercommunication.
- Consume the web service using SOAP and REST Ful service.
- Develop the UI page using React JS.
- Writing JUNIT test case for each developed provider.
- Prepared the Test case, released Note for new services implementation.
- Deploy the services in lower and PROD environment.
- Share the technical and functional knowledge to team member based on need.
- Addressing production tickets and supporting feed data process.
- Supporting PUBSUB in PROD and lower environments.
- Supporting Web services in PROD and lower environments.
Senior Software Engineer - Java Developer / UI Engineer
Ness Technology
12.2012 - 01.2015
- Designed and developed Microservices with Spring Boot.
- Developed Publiher and Subscriber to manage the employee data change and distribute to downstream consumers.
- Developed XML/JSON APIs for system integration with OPDM.
- Writing the JUNIT test case for all new and enhanced code development.
- Implemented the subscriber code to consume employee data.
Software Engineer
Ness Technology
12.2011 - 11.2012
- Implemented spring controller layer by handling the Ajax call with JSON object.
- Implemented Service, BO and DAO layer.
- Expose REST full web services to get the key info.
- Implemented the JUNIT test case for all layers.
- Handled client and server side validation.
- Handled the all exception in controller layer and getting the exception message from properties file.
- Forsythe, USA
Software Engineer
Value Labs
12.2010 - 11.2011
- Worked on DAO to access the all photo of particular album ID.
- Implemented omniture tracking to trace the all event, which is done by user.
- Implemented validation for billing and shipping address.
- Implementing Business Delegate, Factory Method, Service Locator and Transfer object.
- Enhancements and Bug fixing.
Education
M Tech -
01.2014
GPA: 74%
MCA -
01.2006
GPA: 62%
Skills
- Java and Scala
- Python and SQL
- JavaScript and TypeScript
- Spring Boot and Spring Cloud
- REST APIs and JPA
- Hibernate and Apache Kafka
- Kafka Streams and Connect
- Confluent Platform
- Hadoop ecosystem
- Spark and Hive
- HDFS and Sqoop
- Flume integration
- Reactjs development
- HTML5 and CSS3
- Bootstrap framework
- PostgreSQL and Oracle
- MongoDB and Cassandra
- docker containers
- Kubernetes orchestration
- Jenkins automation
- git version control
- Maven project management
- CI/CD pipelines
- AWS cloud services
- GCP cloud solutions
- Jira project tracking
- IntelliJ IDE proficiency
- Postman API testing
- Swagger documentation tools
- Prometheus monitoring
- grafana visualization
Certification
- Confluent Certified Kafka Developer
- Oracle Certified Professional – Java SE 11
- AWS Certified Solutions Architect – Associate
Technical Skills Technologies
- Java
- Scala
- Python
- SQL
- JavaScript
- TypeScript
- Java 8–17
- Spring Boot
- Spring Cloud
- REST APIs
- JPA
- Hibernate
- Apache Kafka
- Kafka Streams
- Kafka Connect
- Confluent Platform
- Hadoop
- Spark
- Hive
- HDFS
- HBase
- Sqoop
- Flume
- React.js
- Angular
- Redux
- HTML5
- CSS3
- Bootstrap
- Material UI
- PostgreSQL
- Oracle
- MongoDB
- Cassandra
- Docker
- Kubernetes
- Jenkins
- Git
- Maven
- Gradle
- CI/CD
- AWS (EC2, EMR, S3, Lambda)
- GCP (BigQuery, Dataproc)
- Jira
- IntelliJ
- Postman
- Swagger
- Prometheus
- Grafana
Timeline
Associate Director – DataBricks, Kafka, Spring Boot, React JS Data Engineer - S&P Global
05.2019 - Current
Technical Lead – Spring Boot, Coherence Cache, Active MQ, UI Framework - S&P Global
02.2015 - 04.2019
Senior Software Engineer - Java Developer / UI Engineer - Ness Technology
12.2012 - 01.2015
Software Engineer - Ness Technology
12.2011 - 11.2012
Software Engineer - Value Labs
12.2010 - 11.2011
JNTU University - M Tech,
IGNOU university - MCA,