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 worlds 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)

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Education & Certifications Required

Bachelor's of Engineering in Computer Science.

Regards,

Rahul Shrivastava