Total 2 java developer job vacancies in D20 Bishan, Ang Mo Kio

NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group.

We are seeking a detail-oriented and analytical Software Engineer with expertise in Java Core to join our engineering team in Singapore. In this role, you will design, develop, and maintain robust Java applications while adhering to best practices in software architecture and code quality. You will work collaboratively with cross-functional teams to deliver efficient, scalable solutions that meet our business objectives.

What will you do? 

• Develop, test, and maintain high-quality Java applications using core Java technologies and frameworks
• Design and implement efficient algorithms and data structures to solve complex technical problems
• Write clean, well-documented code following established coding standards and design patterns
• Conduct code reviews and provide constructive feedback to team members to ensure code quality and consistency
• Collaborate with product managers and stakeholders to understand requirements and translate them into technical specifications
• Troubleshoot and debug production issues, analyzing root causes and implementing effective solutions
• Participate in architectural discussions and contribute to system design decisions
• Optimize application performance through profiling, analysis, and implementation of performance improvements
• Maintain comprehensive documentation of code, systems, and processes for knowledge sharing
• Stay current with industry best practices and emerging Java technologies

The ideal candidate should possess:

• 3+ years of professional experience in Java development with strong core Java expertise
• Advanced proficiency in object-oriented programming (OOP) principles and design patterns
• Solid understanding of data structures, algorithms, and computational complexity
• Experience with version control systems (Git) and collaborative development workflows
• Proficiency in unit testing frameworks (JUnit, Mockito) and test-driven development practices
• Knowledge of SQL and relational database design
• Experience developing RESTful APIs and understanding of HTTP protocols
• Familiarity with build tools such as Maven or Gradle
• Strong problem-solving skills and analytical mindset
• Excellent communication and teamwork abilities

Preferred Skills and Experience:

• Experience with Spring Framework and Spring Boot
• Knowledge of microservices architecture and distributed systems
• Familiarity with CI/CD pipelines and DevOps practices
• Experience with cloud platforms (AWS, Azure, or Google Cloud Platform)
• Understanding of multithreading, concurrency, and asynchronous programming
• Exposure to Agile/Scrum development methodologies
• Experience with containerization technologies (Docker, Kubernetes)
• Knowledge of message queues and event-driven architecture

NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 15,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.

As a Talend Developer, you will join our Applications Development team to design, develop, and maintain enterprise data integration solutions using the Talend platform. You will work on ETL (Extract, Transform, Load) processes, transforming business requirements into technical solutions while applying your Java and SQL programming knowledge. This entry-level role offers an excellent opportunity to gain hands-on experience in data integration projects across diverse industry sectors, with structured mentorship and clear career progression within Team NCS.

What will you do?

Development & Implementation

• Develop, test, and deploy ETL workflows using Talend Open Studio or Talend Data Integration platform
• Design and implement data integration solutions to extract, transform, and load data from various sources
• Develop custom Java components and routines within Talend when required
• Write and optimize SQL queries for data extraction and transformation processes
• Maintain version control of Talend jobs and components

Quality Assurance & Documentation

• Perform unit testing and debugging of Talend jobs to ensure data quality and accuracy
• Document technical specifications, data mappings, and ETL processes
• Participate in code reviews and follow development best practices
• Support UAT (User Acceptance Testing) and production deployment activities

Collaboration & Project Support

• Collaborate with team members to understand business requirements and translate them into technical solutions
• Support data migration and integration projects under supervision
• Support specific client data migration and integration initiatives as assigned
• Work closely with senior developers and project managers to deliver project milestones
• Participate in project planning sessions and provide effort estimates for assigned tasks
• Assist in data profiling and analysis activities for project requirements
• Contribute to project documentation including technical design documents and user guides
• Participate in client meetings and requirement gathering sessions when required

The ideal candidate should possess:

Technical Skills & Knowledge

• Strong foundation in Java programming concepts and object-oriented programming
• Proficiency in SQL and relational database concepts (queries, joins, stored procedures)
• Understanding of data structures, algorithms, and software development principles
• Basic knowledge of ETL concepts and data integration processes
• Familiarity with database management systems (e.g., MySQL, PostgreSQL, Oracle, MS SQL Server)

Preferred Technical Experience

• Hands-on experience with Talend Open Studio or Talend Data Integration (through internship, projects, or self-learning)
• Knowledge of data warehousing concepts and dimensional modeling
• Exposure to Agile/Scrum development methodologies
• Understanding of XML, JSON, and web services (REST/SOAP)
• Familiarity with version control systems (Git, SVN)
• Experience with Linux/Unix environments
• Knowledge of scripting languages (Python, Shell scripting)
• Academic projects involving data integration or database development

Professional Attributes

• Good analytical and problem-solving skills
• Ability to learn new technologies quickly
• Strong communication skills and ability to work in a team environment
• Strong attention to detail and commitment to data quality
• Self-motivated with eagerness to learn and grow professionally

Professional Certifications (Advantageous)

• Talend Data Integration Certification (desirable but not mandatory for fresh graduates)
• Oracle Certified Associate (OCA) Java Programmer
• Database certifications (Oracle, Microsoft, MySQL)
• Relevant online certifications in ETL, data integration, or big data technologies

Education Qualification

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field
• Fresh graduates or candidates with up to 1 year of relevant experience