Java backend engineer (Mid-Senior) with Data

Job Title

–Backend Developer City

– Bangalore Karnataka Onsite Flexibility

–Hybrid(3 Days to onsite) Years of Experience-

5+ Years of Experience

Company Overview Flexton is a growing IT services and staffing company serving some of the world’s most renowned and Fortune-listed companies across industries such as eCommerce, HighTech, Banking & Financial Services, Insurance, and Healthcare. With a global presence spanning the US, Canada, Europe, Colombia, Mexico, and India.

About the Role We are looking for

a strong Java Backend Engineer

with

hands-on experience in large-scale data

processing

and

real-time streaming systems

. The ideal candidate will have deep expertise in

JavaSpring Boot API development

along with strong exposure to

Apache Flink, Apache Spark, or Hadoop/HDFS-based Big Data environments. You will design and build scalable backend systems capable of processing

high-volume real-time

and

batch data streams.

Key Responsibilities Design, develop, and maintain high-performance backend services using Java and Spring Boot Build and optimize RESTful APIs for large-scale distributed systems Develop real-time streaming pipelines using Apache Flink or Apache Spark Work with Apache Hadoop ecosystem (HDFS, YARN, MapReduce) for batch processing Implement scalable event-driven architectures for real-time data ingestion and processing

Required Skills Strong hands-on experience in Core Java (Java 8+) Proven experience building REST APIs using Spring Boot Experience with at least one: Apache Flink Apache Spark (Batch/Streaming) Apache Hadoop / HDFS ecosystem Experience with real-time data streaming and event-driven systems Strong understanding of distributed systems and concurrency Experience with messaging systems like Kafka (preferred) Solid understanding of SQL and NoSQL databases Experience with containerization (Docker) and cloud platforms (AWS/Azure/GCP preferred)

________________________________________ Education & Certifications Required Bachelor's of Engineering in Computer Science.

Regards, Rahul Shrivastava