Java Developer

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 • 4+ 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 Soft Skills • Excellent written and verbal communication skills • Strong attention to detail and commitment to data accuracy • Passion for working with data and numerical analysis • Ability to work collaboratively in cross-functional teams • Self-motivated with strong project management skills Preferred Qualifications • AWS certification or extensive AWS experience • Python programming experience for data analysis and scripting • Experience with MS SQL Server and/or PostgreSQL dialects • Knowledge of data warehousing concepts and ETL processes • Experience with containerization (Docker, Kubernetes) • Familiarity with data visualization tools and techniques • Experience with Agile/Scrum methodologies Education • Bachelor's degree in Computer Science, Mathematics, Engineering, or related technical field • Master's degree preferredRole & responsibilities