Sr Java Developer

Straive; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

Straive is seeking a seasoned Java backend engineer to design and develop high‑throughput data processing and analytics systems. You will optimise memory usage, tune performance, and ensure scalable, reliable services.

You will work with PostgreSQL, MS SQL Server and data warehouses, build CI/CD pipelines, review code, and help enforce data security and regulatory compliance on cloud platforms such as AWS.

Qualifications

• 7+ years Java back-end development focused on data processing.
• 5+ years advanced SQL with query optimisation.
• Experience with cloud platforms (AWS).
• Expert in performance tuning and memory optimisation.

Responsibilities

• Design & develop Java systems for data processing & analytics.
• Optimise memory usage and system performance.
• Work with relational databases (PostgreSQL, MS SQL Server) and data warehouses.
• Ensure data security & compliance with protection regulations.
• Build CI/CD pipelines and contribute to code reviews.

Skills

Java development

Advanced SQL

Data processing

Performance tuning

Memory optimisation

Data security

CI/CD pipelines

Tools

PostgreSQL

MS SQL Server

AWS

Data warehouses

Job description

Design & develop Java systems for data processing & analytics

Optimise memory usage and system performance

Work with relational databases (PostgreSQL, MS SQL Server) and data warehouses

Ensure data security & compliance with protection regulations

Build CI/CD pipelines and contribute to code reviews

7+ years Java backed development (data processing focus)

5+ years advanced SQL with query optimisation

Experience with cloud platforms (AWS)

Expertise in performance tuning & memory optimisation