Total 31 java developer job vacancies in Others category in D20 Ang Mo Kio, Bishan

Job Role:

We’re looking for an Oracle PL/SQL Developer with strong experience in banking payment systems, UNIX scripting, and scheduling tools.

You’ll work on maintaining, enhancing, and supporting mission-critical applications for SWIFT, MEPS+, and risk/payment platforms.

Job Responsibilities: 

Develop, optimize, and maintain SQL, PL/SQL procedures, functions, packages, and triggers for Oracle databases 9i/10g/11g/12cWrite and maintain UNIX/AIX shell scripts for batch jobs, data loads, and system automation

Support and monitor batch schedules using Control-M scheduler

Troubleshoot issues in payment systems: SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager, and MEPS+

Work with risk and compliance tools like Risk Authority (RAY) Moody’s and BAE Systems DETICA

Manage code/version control using ClearCase, ClearQuest, and Aldon

Perform data analysis and debugging using SQL_Plus, SQL Developer, TOAD, and ORMSCollaborate with business, QA, and production support teams for deployments and incident resolution

Required Skills:

Languages: SQL, PL/SQL, Unix Shell Scripting

Databases/Tools: Oracle 9i/10g/11g/12c, ORMS, SQL_Plus, SQL Developer, TOAD, Control-M scheduler, ClearCase, ClearQuest, Aldon

Risk/Payment Systems: Risk Authority (RAY) Moody’s, BAE Systems DETICA, MEPS+, SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager

Operating Systems: Windows, UNIX AIXGood to Have:  Experience in banking domain, payment processing, or treasury systems

Mandatory : Experience with SWIFT Alliance, MEPS+, and regulatory compliance systems.

Role Overview:

We’re looking for an Oracle PL/SQL Developer with strong experience in banking payment systems, UNIX scripting, and scheduling tools.

You’ll work on maintaining, enhancing, and supporting mission-critical applications for SWIFT, MEPS+, and risk/payment platforms.

Key Responsibilities:  Develop, optimize, and maintain SQL, PL/SQL procedures, functions, packages, and triggers for Oracle databases 9i/10g/11g/12cWrite and maintain UNIX/AIX shell scripts for batch jobs, data loads, and system automation

Support and monitor batch schedules using Control-M scheduler

Troubleshoot issues in payment systems: SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager, and MEPS+

Work with risk and compliance tools like Risk Authority (RAY) Moody’s and BAE Systems DETICA

Manage code/version control using ClearCase, ClearQuest, and Aldon

Perform data analysis and debugging using SQL_Plus, SQL Developer, TOAD, and ORMSCollaborate with business, QA, and production support teams for deployments and incident resolution

Required Skills:

Languages: SQL, PL/SQL, Unix Shell Scripting

Databases/Tools: Oracle 9i/10g/11g/12c, ORMS, SQL_Plus, SQL Developer, TOAD, Control-M scheduler, ClearCase, ClearQuest, Aldon

Risk/Payment Systems: Risk Authority (RAY) Moody’s, BAE Systems DETICA, MEPS+, SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager

Operating Systems: Windows, UNIX AIXGood to Have:  Experience in banking domain, payment processing, or treasury systems

Mandatory : Experience with SWIFT Alliance, MEPS+, and regulatory compliance systems.

Job Summary

Contribute to the design, development, and continuous improvement of Flutter mobile applications, ensuring high-quality, user-friendly, and performant solutions through collaboration, testing, and code excellence.

Responsibilities

• Develop and iteratively enhance existing Flutter projects to deliver innovative mobile applications.
• Design and implement mobile app frameworks rapidly to meet evolving user needs.
• Collaborate with UI/UX designers to ensure applications are visually appealing and user-friendly.
• Conduct QA testing to verify app functionality and usability before release.
• Develop and release app updates including bug fixes, performance improvements, and new features.
• Write clean, maintainable, and scalable code to uphold engineering excellence.
• Integrate third-party APIs to extend app functionality and improve user experience.
• Perform code reviews to ensure code consistency, quality, and adherence to best practices.
• Implement and maintain comprehensive testing strategies (unit, integration, end-to-end) to ensure app reliability.
• Optimize application performance focusing on UI responsiveness, network efficiency, memory usage, and battery consumption.
• Prepare and maintain technical documentation to support future development and maintenance activities.

Required competencies and certifications

• Diploma or Degree in Information Technology, Computer Science, Software Engineering, or related field.
• Hands-on experience developing mobile applications using Flutter.
• Proficient in Android and iOS development, including multi-threading and performance optimization techniques.
• Familiarity with popular open-source libraries, including customization and modification.
• Proficiency using Xcode for iOS and Android Studio for Android development.
• Experience working with relational databases such as SQL Server or MySQL.
• Strong programming skills in Dart, PHP, and MySQL.
• Effective problem-solving, analytical, and communication skills.
• Ability to work independently and collaboratively within a team environment.

Job Role :

We’re looking for an Oracle PL/SQL Developer with strong experience in banking payment systems, UNIX scripting, and scheduling tools.

You’ll work on maintaining, enhancing, and supporting mission-critical applications for SWIFT, MEPS+, and risk/payment platforms.

Key Responsibilities:  Develop, optimize, and maintain SQL, PL/SQL procedures, functions, packages, and triggers for Oracle databases 9i/10g/11g/12cWrite and maintain UNIX/AIX shell scripts for batch jobs, data loads, and system automation

Support and monitor batch schedules using Control-M scheduler

Troubleshoot issues in payment systems: SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager, and MEPS+

Work with risk and compliance tools like Risk Authority (RAY) Moody’s and BAE Systems DETICA

Manage code/version control using ClearCase, ClearQuest, and Aldon

Perform data analysis and debugging using SQL_Plus, SQL Developer, TOAD, and ORMSCollaborate with business, QA, and production support teams for deployments and incident resolution

Required Skills:

Languages: SQL, PL/SQL, Unix Shell Scripting

Databases/Tools: Oracle 9i/10g/11g/12c, ORMS, SQL_Plus, SQL Developer, TOAD, Control-M scheduler, ClearCase, ClearQuest, Aldon

Risk/Payment Systems: Risk Authority (RAY) Moody’s, BAE Systems DETICA, MEPS+, SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager

Operating Systems: Windows, UNIX AIXGood to Have:  Experience in banking domain, payment processing, or treasury systems

Mandatory : Experience with SWIFT Alliance, MEPS+, and regulatory compliance systems.

Responsibilities

• Collaborate with department managers and other stakeholders to understand requirements and translate them into technical specifications.
• Implement and maintain automated testing and continuous integration pipelines.
• Write technical specifications based on end-user functional specifications.
• Develop and maintain .NET applications and services using practices of software development lifecycle and techniques.
• Design and implement both client-side and server-side architectures.
• Collaborate with other developers to create user-friendly and visually appealing interfaces.
• Troubleshoot and debug applications to ensure optimal performance.
• Perform software troubleshooting and debugging when issues arise.
• Conduct regular code reviews.
• Stay up-to-date with emerging technologies and industry trends, and applying it to improve operations and activities.
• Mentor and guide junior developers by promoting best practices and continuous improvements.

Requirements

• Bachelor Degree in Computer Science, Engineering or any related field.
• Relevant web development experience
• Expertise in front-end technologies such as HTML, CSS and Javascript.
• Experience with modern frameworks like React or Angular.
• Strong knowledge of .NET Framework and Node.Js.
• REST/JSON web services
• Experience with databases such as MySQL, MongoDB, and message brokers like RabbitMQ.
• Familiar with tools such as Git and Docker.
• Experience in C#, and familiarity with Microsoft Dynamics NAV and Business Central (BC), and other Microsoft related products will be an added advantage.
• Proficiency with leading cloud platforms including AWS, Azure, or Google Cloud Platforms.
• Practical experience with IoT platforms and services, particularly Tuya.

Role Overview
You will design and build intelligent workflow systems that combine low-code automation, cloud services, and AI capabilities. The role focuses on developing scalable integrations, deploying solutions on Azure, and implementing AI-driven features that enhance human decision-making in operational workflows.

Key Responsibilities

• Design and implement automation workflows using low-code platforms such as Power Automate, Power Apps, or similar tools
• Build integrations across systems and data sources to enablestructured data intake and automated processing
• Configure, deploy, and manage cloud-based solutions on Microsoft Azure
• Develop pipelines that ingest, clean, and standardise operational data
• Implement AI-powered workflows using Azure AI services and language models
• Design and refine prompt engineering strategies to optimise AI responses in real-world workflows
• Develop evaluation methods to measure AI output quality and alignment with human judgement
• Analyse results and create dashboards or reporting tools to track AI performance and workflow efficiency
• Implement secure deployment and cloud best practices, including secrets management and cost monitoring
• Identify workflow inefficiencies and design automation or AI-driven improvements
• Document system architecture, automation logic, and AI evaluation frameworks to support scalability and deployment
• Collaborate with product and UX teams to refine systems based onuser behaviour and operational feedback

Expected Outcomes

• Production-ready automation workflows that reduce manual administrative work
• AI-assisted decision tools that improve prioritisation and operational responsiveness
• Scalable cloud-based systems integrating automation, data, and AI capabilities
• Well-documented solutions that can be maintained and expanded across deployments
  
  Who We Are Looking For!
• Curious and eager to learn about AI, automation, and cloud technologies
• Interested in building real-world workflows using tools like Power Automate / Power Apps / Azure
• Problem-solvers who enjoy improving how things work
• Basic exposure to tech, data, or coding (nice to have, not required)
• Comfortable learning new tools and systems quickly
• Interested in AI tools like ChatGPT / Azure OpenAI
• Able to think logically and work with structured processes
• Good communication and teamwork mindset
• Hybrid working arrangement - 1 day WFH

Role Overview
You will design and build intelligent workflow systems that combine low-code automation, cloud services, and AI capabilities. The role focuses on developing scalable integrations, deploying solutions on Azure, and implementing AI-driven features that enhance human decision-making in operational workflows.

Key Responsibilities

• Design and implement automation workflows using low-code platforms such as Power Automate, Power Apps, or similar tools
• Build integrations across systems and data sources to enablestructured data intake and automated processing
• Configure, deploy, and manage cloud-based solutions on Microsoft Azure
• Develop pipelines that ingest, clean, and standardise operational data
• Implement AI-powered workflows using Azure AI services and language models
• Design and refine prompt engineering strategies to optimise AI responses in real-world workflows
• Develop evaluation methods to measure AI output quality and alignment with human judgement
• Analyse results and create dashboards or reporting tools to track AI performance and workflow efficiency
• Implement secure deployment and cloud best practices, including secrets management and cost monitoring
• Identify workflow inefficiencies and design automation or AI-driven improvements
• Document system architecture, automation logic, and AI evaluation frameworks to support scalability and deployment
• Collaborate with product and UX teams to refine systems based onuser behaviour and operational feedback

Expected Outcomes

• Production-ready automation workflows that reduce manual administrative work
• AI-assisted decision tools that improve prioritisation and operational responsiveness
• Scalable cloud-based systems integrating automation, data, and AI capabilities
• Well-documented solutions that can be maintained and expanded across deployments
  
  Who We Are Looking For!
• Curious and eager to learn about AI, automation, and cloud technologies
• Interested in building real-world workflows using tools like Power Automate / Power Apps / Azure
• Problem-solvers who enjoy improving how things work
• Basic exposure to tech, data, or coding (nice to have, not required)
• Comfortable learning new tools and systems quickly
• Interested in AI tools like ChatGPT / Azure OpenAI
• Able to think logically and work with structured processes
• Good communication and teamwork mindset
• Hybrid working arrangement - 1 day WFH

Role Overview
You will design and build intelligent workflow systems that combine low-code automation, cloud services, and AI capabilities. The role focuses on developing scalable integrations, deploying solutions on Azure, and implementing AI-driven features that enhance human decision-making in operational workflows.

Key Responsibilities

• Design and implement automation workflows using low-code platforms such as Power Automate, Power Apps, or similar tools
• Build integrations across systems and data sources to enablestructured data intake and automated processing
• Configure, deploy, and manage cloud-based solutions on Microsoft Azure
• Develop pipelines that ingest, clean, and standardise operational data
• Implement AI-powered workflows using Azure AI services and language models
• Design and refine prompt engineering strategies to optimise AI responses in real-world workflows
• Develop evaluation methods to measure AI output quality and alignment with human judgement
• Analyse results and create dashboards or reporting tools to track AI performance and workflow efficiency
• Implement secure deployment and cloud best practices, including secrets management and cost monitoring
• Identify workflow inefficiencies and design automation or AI-driven improvements
• Document system architecture, automation logic, and AI evaluation frameworks to support scalability and deployment
• Collaborate with product and UX teams to refine systems based onuser behaviour and operational feedback

Expected Outcomes

Production-ready automation workflows that reduce manual administrative work

AI-assisted decision tools that improve prioritisation and operational responsiveness

Scalable cloud-based systems integrating automation, data, and AI capabilities

Well-documented solutions that can be maintained and expanded across deployments

Who We’re Looking For

• Currently pursuing Diploma/Degree in Information Technology or a related field
• Great communicator with a proactive mindset
• Detail-oriented & organized
• Team player who can also work independently
• Able to commit to a full-time internship for at least 4 months

Role Overview
You will design and build intelligent workflow systems that combine low-code automation, cloud services, and AI capabilities. The role focuses on developing scalable integrations, deploying solutions on Azure, and implementing AI-driven features that enhance human decision-making in operational workflows.

Key Responsibilities

• Design and implement automation workflows using low-code platforms such as Power Automate, Power Apps, or similar tools
• Build integrations across systems and data sources to enablestructured data intake and automated processing
• Configure, deploy, and manage cloud-based solutions on Microsoft Azure
• Develop pipelines that ingest, clean, and standardise operational data
• Implement AI-powered workflows using Azure AI services and language models
• Design and refine prompt engineering strategies to optimise AI responses in real-world workflows
• Develop evaluation methods to measure AI output quality and alignment with human judgement
• Analyse results and create dashboards or reporting tools to track AI performance and workflow efficiency
• Implement secure deployment and cloud best practices, including secrets management and cost monitoring
• Identify workflow inefficiencies and design automation or AI-driven improvements
• Document system architecture, automation logic, and AI evaluation frameworks to support scalability and deployment
• Collaborate with product and UX teams to refine systems based onuser behaviour and operational feedback

Expected Outcomes

• Production-ready automation workflows that reduce manual administrative work
• AI-assisted decision tools that improve prioritisation and operational responsiveness
• Scalable cloud-based systems integrating automation, data, and AI capabilities
• Well-documented solutions that can be maintained and expanded across deployments
  
  Who We Are Looking For!
• Curious and eager to learn about AI, automation, and cloud technologies
• Interested in building real-world workflows using tools like Power Automate / Power Apps / Azure
• Problem-solvers who enjoy improving how things work
• Basic exposure to tech, data, or coding (nice to have, not required)
• Comfortable learning new tools and systems quickly
• Interested in AI tools like ChatGPT / Azure OpenAI
• Able to think logically and work with structured processes
• Good communication and teamwork mindset
• Hybrid working arrangement - 1 day WFH

Key Responsibilities:

1. Develop, test, deploy, and maintain enterprise-grade web based solutions.
2. Collaborate with a group of software engineers, business analysts, and software architects throughout the full SDLC.
3. Involve in pair programming, code and design reviews to ensure high-quality standards.
4. Deploy software application to production and provide post-implementation support.
5. Ensure development best practices and standards are met.

Requirements:

• min. Degree in Computer Science, IT, or any relevant discipline.
• Min. 2 years of working experience in Java development
• Strong in Java, Spring Framework, RESTful/SOAP APIs, Web Services
• Knowledge of secure and scalable application design
• Collaborative mindset and eagerness to grow in a fast-paced team

Key Responsibilities:

1. Develop, test, deploy, and maintain enterprise-grade web based solutions.
2. Collaborate with a group of software engineers, business analysts, and software architects throughout the full SDLC.
3. Involve in pair programming, code and design reviews to ensure high-quality standards.
4. Deploy software application to production and provide post-implementation support.
5. Ensure development best practices and standards are met.

Requirements:

• min. Degree in Computer Science, IT, or any relevant discipline.
• Min. 2 years of working experience in Java development
• Strong in Java, Spring Framework, RESTful/SOAP APIs, Web Services
• Knowledge of secure and scalable application design
• Collaborative mindset and eagerness to grow in a fast-paced team

Key Responsibilities:

1. Develop, test, deploy, and maintain enterprise-grade web based solutions.
2. Collaborate with a group of software engineers, business analysts, and software architects throughout the full SDLC.
3. Involve in pair programming, code and design reviews to ensure high-quality standards.
4. Deploy software application to production and provide post-implementation support.
5. Ensure development best practices and standards are met.

Requirements:

• min. Degree in Computer Science, IT, or any relevant discipline.
• Min. 2 years of working experience in Java development
• Strong in Java, Spring Framework, RESTful/SOAP APIs, Web Services
• Knowledge of secure and scalable application design
• Collaborative mindset and eagerness to grow in a fast-paced team

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

Technical Requirements:

Strong hands-on experience in:Java, Spring Boot, Microservices, Angular

Databases: MySQL, NoSQL, MariaDB

Exposure to:TDD (Test-Driven Development)CI/CD tools

Enterprise-grade development practices

Key Responsibilities:

Develop and maintain Java backend services and Angular frontend.

Design and implement microservices architecture.

Collaborate with teams to deliver high-quality solutions.

Follow best practices and contribute to code reviews.

Technical Requirements:

Strong hands-on experience in:Java, Spring Boot, Microservices, Angular

Databases: MySQL, NoSQL, MariaDB

Exposure to:TDD (Test-Driven Development)CI/CD tools

Enterprise-grade development practices

Key Responsibilities:

Develop and maintain Java backend services and Angular frontend.

Design and implement microservices architecture.

Collaborate with teams to deliver high-quality solutions.

Follow best practices and contribute to code reviews.