Java Backend Developer

Actively Reviewing the Applications

Codefeast

4–8 years

Posted 2 days ago • Apply by June 11, 2026

Job Description

Key Responsibilities

Design, develop, and maintain high-performance Java backend systems for data processing and analytics
Collaborate with cross-functional teams to translate business requirements into technical solutions
Implement parallel data processing solutions to handle large-scale datasets efficiently
Optimize memory usage and system performance for data-intensive applications
Develop and maintain integrations with relational databases and data warehouses
Create and optimize complex SQL queries for data extraction, transformation, and analysis
Implement data security measures and ensure compliance with data protection regulations
Participate in code reviews and maintain high code quality standards
Design and implement CI/CD pipelines for data engineering workflows

Required Qualifications

Technical Skills

6+ years of Java backend development experience with focus on data processing applications
3+ years of advanced SQL experience with complex query optimization
Deep understanding of parallel data processing frameworks and techniques
Expertise in memory optimization and performance tuning for large datasets
Strong experience with relational database integration (PostgreSQL, MS SQL Server preferred)
Proficiency with cloud platforms (AWS, Google Cloud, or Azure required)
Solid understanding of SDLC best practices, version control, and CI/CD pipelines
Knowledge of data security principles and privacy protection measures

Mathematical & Analytical Skills

Strong mathematical background with ability to work with complex formulas and algorithms
Excellent analytical and problem-solving capabilities
Experience with statistical analysis and data modeling concepts

Preferred Qualifications