Senior Java Engineer - Spring, REST & Web Apps

SCIENTE; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

SCIENTE is seeking a Systems Analyst with 5+ years in requirements gathering, design, development, testing, and implementation. You will work on Java-based enterprise apps, leveraging Java EE, Spring, and modern web UI frameworks. DB2, MS SQL Server, MongoDB, and mainframe exposure are a plus.

Strong communication and project management skills are essential. The role requires independent work to translate user requirements into detailed specifications and ensure quality QA throughout the

Qualifications

• Diploma or Degree in Information Technology or related discipline.
• Minimum 5 years of experience as a Java Developer with experience in analysis, design, development, implementation, and QA.
• Strong proficiency in Java, Java EE, and Spring Framework (Spring Boot, Spring Batch, Spring Web).
• Experience with Angular/AngularJS, React, PrimeFaces, or equivalent web UI frameworks.
• Knowledge of Hibernate, JPA, relational databases, and SQL.
• Experience with REST, SOAP, web services, SOA, AJAX, JSF, and responsive web design.
• Experience with DB2, MS SQL Server, and MongoDB.
• Exposure to mainframe environments, MVS, JCL, Windows, and AWS.
• Strong communication, analytical, problem-solving, project management, and vendor management skills.
• Ability to work independently, gather user requirements, and translate into specifications.
• Experience in OOAD.

Responsibilities

• Gather and analyze business and user requirements, translating them into functional and technical specifications.
• Design, develop, enhance, and maintain enterprise applications using Java, Java EE, Spring Boot, Spring Batch, and Spring Web.
• Develop responsive web applications using Angular/AngularJS, React, PrimeFaces, JSF, or equivalent UI frameworks.
• Design, develop, and integrate RESTful and SOAP web services, SOA, and related components.
• Work with persistence frameworks such as Hibernate and JPA, and relational databases including DB2 and MS SQL Server.
• Perform system analysis, application design, database design, development, implementation, and QA.
• Conduct unit testing, integration testing, defect resolution, code reviews, and performance optimization.
• Work with mainframe environments, including MVS and JCL, as required.
• Collaborate with business stakeholders, technical teams, and vendors to ensure project delivery.
• Manage timelines, deliverables, and quality standards following SDLC best practices.
• Maintain technical documentation and support deployment, maintenance, and troubleshooting.

Skills

Java Developer experience

Java EE

Spring Framework

Web UI frameworks

Hibernate/JPA

Relational databases

REST/SOAP/Web services

Mainframe familiarity

OOAD

Analytical/communication

Requirements gathering

Independent work

Education

Diploma or Degree in Information Technology

Tools

Eclipse

NetBeans

JDeveloper

IBM MQ

Apache Spark

Job description

SCIENTE is seeking a Systems Analyst with 5+ years in requirements gathering, design, development, testing, and implementation. You will work on Java-based enterprise apps, leveraging Java EE, Spring, and modern web UI frameworks. DB2, MS SQL Server, MongoDB, and mainframe exposure are a plus.

Strong communication and project management skills are essential. The role requires independent work to translate user requirements into detailed specifications and ensure quality QA throughout the