Software Developer - Java

Sciente International Pte Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Sciente International Pte Ltd in Singapore invites an experienced Software Developer to design, develop, and deliver scalable, secure, and business‑aligned technology solutions across Java, AWS, and on‑premises environments.

You will work across Java frameworks (Spring Boot, Spring Batch), AWS services (EC2, S3, RDS, EKS, ECS, CloudWatch) and modern front‑ends (React JS or Angular JS) to build robust applications.

Qualifications

• Strong experience in Java with Spring Boot and Spring Batch.
• Experience building Java/web apps on AWS and on‑premises.
• Hands‑on AWS expertise with EC2, S3, RDS, EKS, ECS, CloudWatch.
• Proficiency in React JS or Angular JS.
• Experience with Oracle 19c and SQL tuning.
• Knowledge of architecture, solution design, and development lifecycle.
• Tomcat experience for critical workloads.
• Strong troubleshooting, analytical, and problem‑solving skills.
• Preferred: AWS certifications (Architect‑Associate, Developer‑Associate).

Responsibilities

• Provide hands‑on technical support, prototyping and coding.
• Build proof‑of‑concepts (POCs) to validate technical solutions.
• Design and develop Java and web applications on AWS and on‑premises environments.
• Support build, deployment, and testing phases throughout the development lifecycle.
• Ensure compliance with security standards and best practices.
• Translate business requirements into technical solutions.
• Conduct performance and capacity assessments.
• Troubleshoot and resolve complex engineering problems.

Skills

Java technologies

AWS & on‑prem apps

AWS services

React/Angular

Oracle 19c & SQL

Architecture & design

Tomcat & workloads

Troubleshooting & problem solving

AWS certifications

AWS Developer Associate

Job description

Job Summary

Seeking an experienced Software Developer to design, develop, and deliver scalable, secure, and business-aligned technology solutions across Java, AWS, and on-premises environments

Mandatory Skill-set

• Strong experience in Java technologies, including Spring Boot and Spring Batch;
• Experience in developing Java and web applications on AWS and on-premises environments;
• Strong hands-on experience with AWS services such as EC2, S3, RDS, EKS, ECS, and CloudWatch;
• Proficiency in React JS or Angular JS;
• Experience with Oracle 19c and SQL query fine-tuning;
• Knowledge of application architecture, solution design, and development;
• Experience with Tomcat and supporting critical application workloads;
• Strong troubleshooting, analytical, and problem-solving skills.

Desired Skill-set

• AWS Certified Solutions Architect - Associate;
• AWS Certified Developer - Associate.

Responsibilities

• Provide hands‑on technical support, including prototyping and coding;
• Build proof‑of‑concepts (POCs) to validate technical solutions;
• Design and develop Java and web applications on AWS and on-premises environments;
• Support build, deployment, and testing phases throughout the development lifecycle;
• Ensure compliance with security standards and best practices;
• Translate business requirements into technical solutions;
• Conduct performance and capacity assessments;
• Troubleshoot and resolve complex engineering problems.

EA Licence No. 07C5639