Total 11 java developer job vacancies in Information Technology category

Key Responsibilities

• Design, develop, test, and implement application systems based on user requirements and project timelines.
• Explore and propose innovative ways to modernize information systems by leveraging the latest technology stacks and AI-assisted development methodologies.
• Maintain and enhance existing in-house applications to ensure optimal performance and user experience.
• Collaborate with cross-functional IT teams for system deployment and integration.
• Ensure high standards of code quality, test coverage, and participate actively in code reviews.
• Troubleshoot, debug, and upgrade applications as needed.
• Independently manage IT projects from initiation to completion.
• Any other ad hoc duties as assigned.

Requirements:

• A University degree in Computer Science, Information Technology, Software Engineering or a related discipline preferred.  
• Minimum of 1 years of relevant experience in software development and IT project management.
• Sound understanding of student and examination-related business processes.
• Familiarity with the Software Development Life Cycle (SDLC) and Agile methodologies.
• Proficiency in Java, J2EE, programming.
• Experience in system integration via APIs and database layers.
• Experience with relational databases and ORM frameworks (e.g. Hibernate).
• Effective team player with a proactive attitude and the ability to meet tight deadlines.

Interested applicants, please Email , and look for

Jensen Fang Lifa

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R2197080

We regret that only shortlisted candidates will be contacted.

Responsibilities:

• Lead and execute end-to-end OIG implementations with a strong emphasis on hands-on configuration, customization, and integration for complex enterprise environments.
• Drive application onboarding projects for a variety of systems (e.g., HR, ERP, CRM, custom apps), covering both out-of-the-box and custom connectors. This includes:
• Analysis of application requirements and mapping to OIG connectors.
• Development of custom connectors and adapters where standard options do not suffice, including ICF based framework.
• Implementation of automated provisioning, deprovisioning, and access certification workflows.
• Integration with authoritative sources (e.g., HRMS) and target systems (e.g., databases, directories, SaaS platforms).
• Building and configuring OIG SOA workflows, approval policies.
• Developing custom UI components for OIG self-service.
• Design and implement IGA use cases on OIG such as:
• Role-based access control (RBAC) and role mining.
• User lifecycle management (joiner, mover, leaver processes).
• Access request and approval workflows tailored to business needs.
• Periodic access reviews and compliance reporting.
• Hands-on troubleshooting and optimization of OIG components, including connectors, SOA workflows, and scheduled jobs.
• Customize OIG functionality such as:
• Using Java, Groovy, or other supported scripting languages to address unique business requirements.
• Hands on experience with REST APIs, web services, event handlers, validation plugins and scheduled tasks.
• Hands on experience with Oracle BI Publisher based audit reports.
• Hands on experience in building custom Oracle SOA composites for workflows.
• Ability to reuse existing code and extend frameworks.
• Develop and maintain detailed documentation for onboarding processes, customizations, and operational procedures.
• Advise on best practices for OIG upgrades, patching, and understanding of other IAM technologies (e.g., SailPoint, Okta, Microsoft Entra, etc.) as needed.
• Any other ad-hoc duties as assigned by supervisor

Requirements:

• Bachelor’s degree in Computer Science, Information Systems, or a related field;
• 8+ years of hands-on experience with Oracle Identity Governance (OIG v11+), including application onboarding, upgrades, and IGA use case implementation;
• Proven experience delivering complex OIG integrations across diverse enterprise applications and environments;

Interested applicants, please Email , and look for johnwong@recruitexpress.com.sg

John (Joax) Wong

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R23117179

Responsibilities

• Develop and maintain Windows desktop applications using C#, .NET, WPF and MVVM.
• Develop communication modules to read and write data from industrial PLCs.
• Connect to PLC platforms such as Mitsubishi, Omron, Siemens and Beckhoff.
• Map PLC registers, tags and data points to application objects and user interfaces.
• Retrieve machine status, alarms, production counts, recipes and process parameters from PLCs.
• Write commands, parameters or control values to PLCs where required and authorised.
• Implement reliable polling, event handling, reconnection, timeout and communication error recovery.
• Integrate PLC data with databases, MES, EAP, SCADA or other factory systems.
• Develop equipment monitoring applications using PLCs, sensors and industrial devices.
• Review existing PLC programs to locate relevant registers, tags and machine signals.
• Troubleshoot software-to-PLC communication, data mapping and network issues.
• Support system testing, commissioning, deployment and customer-site activities.
• Prepare PLC data maps, interface specifications and technical documentation.

Mandatory Requirements

• Hands-on professional experience developing applications using C# and .NET.
• Hands-on experience developing Windows desktop applications using WPF and MVVM.
• Practical experience connecting C# applications to PLCs for reading and writing data.
• Experience with at least two PLC brands, preferably Mitsubishi, Omron, Siemens or Beckhoff.
• Familiarity with PLC registers, tags, data blocks, memory areas and data types.
• Experience with one or more PLC communication methods such as MC Protocol, SLMP, FINS, S7, ADS, OPC UA or Modbus TCP
• Able to diagnose PLC connectivity, addressing, byte-order, data-conversion and communication issues.
• Able to understand existing PLC programs sufficiently to identify the data required for software integration.

Interested applicants, please Email , and look for

Jensen Fang Lifa

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R2197080

We regret that only shortlisted candidates will be contacted.

Job Responsibilities

Automation &Smart Warehouse

• Integrate IoT, RFID, vision AI, and AGVs/AMRs with enterprise systems.
• Support automation projects: e-lockers, pick-to-light, robotic arms, ensuringdata sync and reliability.
• Design secure IT/OT segmentation for remote monitoring and maintenance.
• Collaborate with vendors and integrators for interoperability and performance.

Application & Full-Stack Development

• Lead design and development of supply-chain apps: dashboards, asset tracking, workflows.
• Deliver IT solutions using modern stacks (React, Angular, Node.js, .NET,Python).
• Architect API integration across WMS, ERP, and automation subsystems.
• Manage CI/CD pipelines, Docker, Kubernetes, and cloud deployments.
• Evaluate low-code platforms (OutSystems, PowerApps) for rapid prototyping.

Digital Architecture & Strategy

• Maintain architecture across logistics, warehouse, and transport, bridging IT/OT/automation.
• Align tech roadmap with standards, data strategy, and business goals.
• Design hybrid-cloud using VCF, Azure, Data Factory, and API Management forinteroperability.
• Establish IT/OT governance and cybersecurity frameworks (ISO27001, SOC2, IM8).

Data & Analytics

• Build pipelines and event-driven architecture for Synapse, Power BI, and AIdashboards.
• Deliver analytics on throughput, fleet use, and automation uptime.
• Ensure data governance, consistency, and system integration.

Leadership & Collaboration

• Act as liaison across IT, Strategy, Ops Tech, Cybersecurity, and business units.
• Lead architecture reviews, PoCs, and vendor evaluations for automation tech.
• Mentor teams on coding standards, integration design, and secure deployment.
• Undertake assigned projects or duties as directed by Management.

Job Requirements

• Software Engineering Leadership: Leads agile teams in building cloud-native andfull-stack applications.
• Strong intercommunication and social skills
• Positive and keen learner, team player
• Strong leadership and management skills, with the ability to motivate and develop a team.
• Excellent communication and interpersonal skills, with the ability to build strongrelationships with internal and external stakeholders.
• A Good team player that is willing to share ideas and work with fellow colleaguesto complete tasks within a team

Professional Qualifications & Relevant Experience

• Bachelor’s in Computer Science, Software Engineering, Information Systems, or related field (Master’s preferred).
• 7-10 years’ experience in IT architecture and software development; 
• Proven track record designing and integrating systems such as WMS, OMS, SAP, CMS and IoT/automation platforms.
• Familiar with PLC/WES/WCS, industrial communication protocols (Modbus, MQTT, OPC UA), and robotics integration.
• Cloud experience (Azure/AWS), containerisation, API security.
• Strong hands-on skills in .NET Core, Node.js, Java Spring, Python, React/Angular, REST/GraphQL APIs.
• Knowledge of data analytics and visualisation tools (Power BI, Tableau) for supply chain KPIs.
• Certifications (ITIL, Azure Architect, CISSP) are advantages.
• Good Project Management knowledge

Interested applicants, please Email, fabianling@recruitexpress.com.sg

Fabian Ling Tuong Liing

R25129353

Recruit Express Pte Ltd

EA Licence No: 99C4599

We regret that only shortlisted candidates will be contacted.

• Initiate, perform and support key developments of products, materials, processes, technology modules and methods within the framework of feasibility studies, business cases and/or projects, incl. experimental work and coordination of lab, pilot or production trials.
• Continuously ensure and drive the development of knowledge within specific sub technology field (width & depth).
• Contribute to and initiate invention disclosures.
• Perform literature and patent searches in consultation with the related responsible persons, support FTO analysis from a technological perspective. 
• Provide input to the relevant Technology Roadmap(s) while making investment recommendations for technology development.
• Actively build up and maintain internal and external networks, with the focus on technological aspects incl. scouting and screening of new raw materials (e.g. suppliers, institutions, academia).
• Support recruiting and technical guidance of students or apprentices.

Qualification

1. Educational level & Certifications

• PhD degree in Science or Engineering discipline or Master degree or Degree in Science or Engineering or in discipline with at least 3 years of experience.

2. Experiences

• Experience in manufacturing processes of polymeric films and functional layers (e.g. organic solutions and dispersions).
• Work with solvents and flammable and toxic materials.
• Work in chemical labs (preferably in clean room environment).
• Use of analytical lab equipment for material property determination (e.g. rheology and microscopy).
• Preferably work experience with adhesives or pressure sensitive adhesives.

Interested candidates please send in your resume to:
Topaz Liang Huimin (CEI No. R1104500), email to: topaz@recruitexpress.com.sg

EA License No: 99C4599

Key Responsibilities

• Design, develop, test, and implement application systems based on user requirements and project timelines.
• Explore and propose innovative ways to modernize information systems by leveraging the latest technology stacks and AI-assisted development methodologies.
• Maintain and enhance existing in-house applications to ensure optimal performance and user experience.
• Collaborate with cross-functional IT teams for system deployment and integration.
• Ensure high standards of code quality, test coverage, and participate actively in code reviews.
• Troubleshoot, debug, and upgrade applications as needed.
• Independently manage IT projects from initiation to completion.
• Ensure compliance with regards to Data Governance, IT Audit, and Security policies and standards.
• Any other ad hoc duties as assigned.

Requirements:

• A University degree in Computer Science, Information Technology, Software Engineering or a related discipline.   
• Minimum of 3 years of relevant experience in software development and IT project management.
• Sound understanding of student and examination-related business processes.
• Familiarity with the Software Development Life Cycle (SDLC) and Agile methodologies.
• Proficiency in .Net programming.
• Experience in GitHub Copilot
• Experience in system integration via APIs and database layers.
• Experience with relational databases and ORM frameworks (e.g. Hibernate).
• Strong analytical and problem-solving skills, with the ability to adapt quickly to new technologies.
• Effective team player with a proactive attitude and the ability to meet tight deadlines.
• Possessing the following skillsets will give the applicant an added advantage:
• Jira for Project Management
• AI-Driven Automation
• Data Analytics tools such as Power BI
• Low-code development platforms (e.g. Power Apps)

Interested applicants, please Email , and look for

Jensen Fang Lifa

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R2197080

We regret that only shortlisted candidates will be contacted.

Responsibilities:

• Lead the design, development, and maintenance of scalable backend systems, microservices, and RESTful APIs.
• Collaborate with product managers and frontend teams to deliver fit-for-purpose digital solutions aligned with business and IT strategy.
• Ensure backend systems are secure, reliable, and optimised for performance.
• Drive technical discussions, make architectural decisions, and review code to ensure adherence to best practices and standards.
• Act as a mentor to junior developers, fostering a culture of continuous improvement and knowledge sharing.
• Manage system integrations across internal and third-party platforms
•  Contribute to DevOps processes and CI/CD pipelines to support rapid and safe software delivery.
• Document key design decisions, system workflows, and technical specifications.
• Support production systems, troubleshoot issues, and ensure uptime and resilience.

Requirements:    

•  Bachelor’s Degreein Computer Science, Engineering, or a related field.
•  4 years of hands-on backend development experience in enterprise or cloud-native applications.
•  Proficient in Java Spring Boot.
• Solid experience with microservices architecture, RESTful APIs, and message queues (e.g.Rabbit MQ).
• Expertise in database architecture and performance tuning across SQL, NoSQL, and Caching layers (e.g., PostgreSQL, MongoDB, Redis).
• Experience working with Angular in enterprise applications

Interested applicants, please Email , and look for

Jensen Fang Lifa

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R2197080

We regret that only shortlisted candidates will be contacted.

Responsibilities:

• Lead and execute end-to-end OIG implementations with a strong emphasis on hands-on configuration, customization, and integration for complex enterprise environments.
• Drive application onboarding projects for a variety of systems (e.g., HR, ERP, CRM, custom apps), covering both out-of-the-box and custom connectors. This includes:
• Analysis of application requirements and mapping to OIG connectors.
• Development of custom connectors and adapters where standard options do not suffice, including ICF based framework.
• Implementation of automated provisioning, deprovisioning, and access certification workflows.
• Integration with authoritative sources (e.g., HRMS) and target systems (e.g., databases, directories, SaaS platforms).
• Building and configuring OIG SOA workflows, approval policies.
• Developing custom UI components for OIG self-service.
• Design and implement IGA use cases on OIG such as:
• Role-based access control (RBAC) and role mining.
• User lifecycle management (joiner, mover, leaver processes).
• Access request and approval workflows tailored to business needs.
• Periodic access reviews and compliance reporting.
• Hands-on troubleshooting and optimization of OIG components, including connectors, SOA workflows, and scheduled jobs.
• Customize OIG functionality such as:
• Using Java, Groovy, or other supported scripting languages to address unique business requirements.
• Hands on experience with REST APIs, web services, event handlers, validation plugins and scheduled tasks.
• Hands on experience with Oracle BI Publisher based audit reports.
• Hands on experience in building custom Oracle SOA composites for workflows.
• Ability to reuse existing code and extend frameworks.
• Develop and maintain detailed documentation for onboarding processes, customizations, and operational procedures.
• Advise on best practices for OIG upgrades, patching, and understanding of other IAM technologies (e.g., SailPoint, Okta, Microsoft Entra, etc.) as needed.
• Any other ad-hoc duties as assigned by supervisor

Requirements:

• Bachelor’s degree in Computer Science, Information Systems, or a related field;
• 8+ years of hands-on experience with Oracle Identity Governance (OIG v11+), including application onboarding, upgrades, and IGA use case implementation;
• Proven experience delivering complex OIG integrations across diverse enterprise applications and environments;

Interested applicants, please Email , and look for johnwong@recruitexpress.com.sg

John (Joax) Wong

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R23117179

Job Description:

• Create high-level and detailed software design documents.
• Develop system architectures and design software components.
• Identify and fix bugs and performance issues.
• Provide ongoing support and maintenance for existing systems.
• Analyze and improve the performance and efficiency of software applications

Skills Required

• Degree in Computer Science, IT, or engineering
• At least 5 years of relevant experience in software development;
• Gone through at least one full software development lifecycle (SDLC) with experience in producing SDLC documentation
• Experience in analyzing requirements, designing, developing, and delivering complex enterprise applications in Java/JEE, web programming on UNIX / LINUX and Windows environment
• Experience in web-based application development and database application interfacing (JDBC, SQL)
• Experience in Agile development methodology and continuous integration
• Experience in Spring Framework and Spring Boot
• Any other ad-hoc duties as assigned by supervisor

Interested applicants, please Email , and look for johnwong@recruitexpress.com.sg

John (Joax) Wong

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R23117179

Responsibilities:

• Lead and execute end-to-end OIG implementations with a strong emphasis on hands-on configuration, customization, and integration for complex enterprise environments.
• Drive application onboarding projects for a variety of systems (e.g., HR, ERP, CRM, custom apps), covering both out-of-the-box and custom connectors. This includes:
• Analysis of application requirements and mapping to OIG connectors.
• Development of custom connectors and adapters where standard options do not suffice, including ICF based framework.
• Implementation of automated provisioning, deprovisioning, and access certification workflows.
• Integration with authoritative sources (e.g., HRMS) and target systems (e.g., databases, directories, SaaS platforms).
• Building and configuring OIG SOA workflows, approval policies.
• Developing custom UI components for OIG self-service.
• Design and implement IGA use cases on OIG such as:
• Role-based access control (RBAC) and role mining.
• User lifecycle management (joiner, mover, leaver processes).
• Access request and approval workflows tailored to business needs.
• Periodic access reviews and compliance reporting.
• Hands-on troubleshooting and optimization of OIG components, including connectors, SOA workflows, and scheduled jobs.
• Customize OIG functionality such as:
• Using Java, Groovy, or other supported scripting languages to address unique business requirements.
• Hands on experience with REST APIs, web services, event handlers, validation plugins and scheduled tasks.
• Hands on experience with Oracle BI Publisher based audit reports.
• Hands on experience in building custom Oracle SOA composites for workflows.
• Ability to reuse existing code and extend frameworks.
• Develop and maintain detailed documentation for onboarding processes, customizations, and operational procedures.
• Advise on best practices for OIG upgrades, patching, and understanding of other IAM technologies (e.g., SailPoint, Okta, Microsoft Entra, etc.) as needed.
• Any other ad-hoc duties as assigned by supervisor

Requirements:

• Bachelor’s degree in Computer Science, Information Systems, or a related field;
• 8+ years of hands-on experience with Oracle Identity Governance (OIG v11+), including application onboarding, upgrades, and IGA use case implementation;
• Proven experience delivering complex OIG integrations across diverse enterprise applications and environments;

Interested applicants, please Email , and look for johnwong@recruitexpress.com.sg

John (Joax) Wong

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R23117179

Job Description:

• Designing, implementing and maintaining applications.
• Contributing in all phases of the development lifecycle.
• Writing testable, scalable and efficient code.
• Test and debug new applications and updates.
• Maintain up to date code documentation.
• Participating in code reviews
• Any other ad-hoc duties as assigned by supervisor

Interested applicants, please Email , and look for johnwong@recruitexpress.com.sg

John (Joax) Wong

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R23117179