Total 44 Others java developer job vacancies 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.

Job Description

We are looking for a motivated and detail-oriented Frontend Developer to join our development team. The ideal candidate will be responsible for developing and maintaining web application interfaces, supporting frontend integration with backend systems, improving application usability, and collaborating closely with cross-functional teams to deliver high-quality software solutions.

The candidate will participate in frontend development activities, application support, testing, system integration, and Agile project delivery while adhering to coding standards and development best practices.

Key Responsibilities

• Develop, maintain, and enhance web application screens, frontend components, and existing system modules while improving user workflows, usability, performance, and overall user experience.
• Build responsive and reusable frontend components for desktop, tablet, and mobile platforms by converting UI/UX designs into functional and interactive web pages according to project standards.
• Integrate frontend applications with backend services by consuming REST APIs, handling frontend data presentation, form validation, error handling, authentication, and session management requirements.
• Troubleshoot frontend issues, browser compatibility problems, layout defects, and support bug fixing activities during testing, User Acceptance Testing (UAT), and post-deployment phases.
• Perform frontend functional testing and basic unit testing to ensure developed features meet functional specifications, UI requirements, and quality standards.
• Collaborate closely with backend developers, QA teams, designers, and stakeholders to clarify requirements, resolve issues, support testing activities, and deliver high-quality software solutions.
• Participate in code reviews, implement feedback from senior developers, and adhere to coding standards, naming conventions, version control processes, and development best practices.
• Maintain technical documentation, update task progress in project tracking tools, and actively participate in Agile development activities including sprint planning, daily stand-ups, and project discussions.

Requirements

• Diploma or Degree in Computer Science, Information Technology, Software Engineering, or a related field.
• 1–3 years of frontend development experience; fresh graduates with strong internship or project experience are encouraged to apply.
• Proficiency in HTML5, CSS3, JavaScript, React.js (or similar frontend frameworks), REST API integration, responsive web design, Git version control, and basic UI/UX principles.
• Familiarity with TypeScript, frontend libraries/frameworks such as Material UI, Ant Design, Bootstrap, or Tailwind CSS, and mobile-responsive development or React Native is preferred.
• Basic understanding of authentication mechanisms, Single Sign-On (SSO), Agile development methodologies, and cloud-hosted applications will be advantageous.
• Ability to perform frontend functional testing, troubleshoot issues, support bug fixing, and collaborate effectively with QA and backend teams.
• Strong problem-solving skills, good communication and teamwork abilities, capability to work independently, and commitment to meeting assigned tasks and project timelines.
• Ability to follow coding standards, naming conventions, version control practices, and participate actively in Agile development activities such as sprint planning and project discussions.

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.

About ACP:

ACP is the leading provider of learning management systems (LMS), e-learning, website Development and ICT solutions. In our current day and age, the adoption of technology in jobs worldwide has enabled us to streamline job processes and increase organisational efficiency, all thanks to the power of the internet. As such, digital literacy is a crucial skill that must be imparted to the next generation, and we continuously strive to empower every individual to learn through technology in our borderless world.

Roles and Responsibilities:

• Assist in the development, maintenance, and enhancement of existing mobile solutions.
• Recommend and implement improvements to enhance performance, functionality, and user experience.
• Support the delivery of high-quality user interfaces (UI) and user experiences (UX).
• Participate in the analysis, design, development, testing, and documentation of new software solutions.
• Contribute to proof-of-concept development and preparation of technical designs.
• Assist in data modelling and management of mobile app databases.
• Support the installation, configuration, and integration of third-party plug-ins and tools.
• Contribute to the creation and maintenance of technical documentation.
• Learn to develop, customise, and integrate PHP-based web applications in App.

Job Requirements:

• Currently pursuing a Diploma or Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or a related field
• Basic knowledge in HTML/CSS3 with JavaScript/JQuery, MySQL, CakePHP and Flutter
• Strong interest in IT and software development
• Willingness to learn on the job
• Able to work collaboratively in a team environment and manage multiple tasks effectively
• Experience in mobile application (Android and iOS)
• Must be able to commit for at least 4 months
• Hybrid Work Model - 1 Day WFH

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.

About ACP:

ACP is the leading provider of learning management systems (LMS), e-learning, website Development and ICT solutions. In our current day and age, the adoption of technology in jobs worldwide has enabled us to streamline job processes and increase organisational efficiency, all thanks to the power of the internet. As such, digital literacy is a crucial skill that must be imparted to the next generation, and we continuously strive to empower every individual to learn through technology in our borderless world.

Job Description:

• Assist in the development, maintenance, and enhancement of existing mobile solutions.
• Recommend and implement improvements to enhance performance, functionality, and user experience.
• Support the delivery of high-quality user interfaces (UI) and user experiences (UX).
• Participate in the analysis, design, development, testing, and documentation of new software solutions.
• Contribute to proof-of-concept development and preparation of technical designs.
• Assist in data modelling and management of mobile app databases.
• Support the installation, configuration, and integration of third-party plug-ins and tools.
• Learn to develop, customize, and integrate PHP-based web applications in App.

Job Requirements:

• Currently pursuing a Diploma or Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or a related field
• Basic knowledge in HTML/CSS3 with JavaScript/JQuery, MySQL, CakePHP and Flutter
• Strong interest in IT and software development
• Willingness to learn on the job
• Able to work collaboratively in a team environment and manage multiple tasks effectively
• Experience in mobile application (Android and iOS)
• Able to commit for at least 4 months
• 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 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