Total 70 job vacancies by Rapsys Technologies Pte. Ltd.

Role: Fullstack Developer (Java & React)

Description:

Backend Java  API

 Design develop and maintain RESTful APIs using Java eg Spring Boot  Spring MVC
 Implement business logic data access layers and integrations with internal and external services
 Ensure API performance scalability security and reliability
 Write clean maintainable and welltested backend code unit and integration tests
 Participate in API design reviews and contribute to technical architecture decisions

 Frontend React

 Develop and maintain responsive web applications using Reactjs
 Consume REST APIs and manage application state effectively
 Build reusable UI components and ensure consistent user experience
 Collaborate with UXUI designers to translate designs into functional interfaces
 Optimize frontend performance and browser compatibility

 General  CrossFunctional

 Work in an AgileScrum environment participating in sprint planning standups and retrospectives
 Collaborate with DevOps and QA teams to support CICD pipelines and testing processes
 Troubleshoot debug and resolve production issues
 Contribute to code reviews and promote best engineering practices
 Document APIs system design and technical solutions

Technical Skills

 Strong experience with Java Java 8 preferably Spring Boot
 Solid understanding of RESTful API design and HTTP concepts
 Handson experience with Reactjs JavaScript ES6 HTML5 and CSS3
 Experience with SQL andor NoSQL databases eg PostgreSQL MySQL MongoDB
 Familiarity with authentication  authorization JWT OAuth2 etc
 Experience using Git and collaborating via pull requests
 Understanding of microservices architecture preferred

 Other Skills

 Strong problemsolving and analytical skills
 Good communication and collaboration abilities
 Ability to work independently and in a team environment
 Attention to code quality testing and maintainability

Key Responsibilities

• Design, deploy, and manage Kubernetes clusters using Rancher in production and non-production environments.
• Integrate and manage NeuVector for container security (runtime scanning, policy enforcement, vulnerability management, etc.).
• Implement platform automation using tools such as Terraform, Ansible, Helm, and CI/CD pipelines.
• Collaborate with security and networking teams to define and enforce policies across containerized platforms.
• Build and maintain observability (monitoring, logging, alerting) and operational dashboards.
• Work closely with development and DevOps teams to provide reliable platform capabilities.
• Participate in incident response, RCA, and performance tuning activities.
• Optionally contribute to HCI platform operations and VM orchestration if using Harvester.

Required Skills and Experience

• 6+ years of experience in DevOps, SRE, or Platform Engineering roles.
• Strong hands-on experience with Kubernetes architecture and operations (preferably K8s v1.20+).
• Experience managing production-grade Kubernetes clusters with Rancher.
• Solid understanding of container security best practices and operational experience with NeuVector.
• Proficiency in infrastructure as code (e.g., Terraform, Helm, Ansible).
• Experience with CI/CD tools such as GitLab CI, Jenkins, or ArgoCD.
• Good knowledge of Linux systems, networking, and shell scripting.
• Understanding of monitoring/logging tools such as Prometheus, Grafana, Fluentd, ELK, or Loki.

Nice to Have

• Experience with Harvester or other HCI platforms for VM management on bare metal.
• Familiarity with air-gapped or edge deployments.
• Exposure to hybrid/multi-cloud platform deployments.
• Certifications in Kubernetes (CKA/CKS), Rancher, or related technologies.

Job Title: Project Manager

Work location: Must be able to work from both Mapletree Business City and Punggol Digital District, adapting to meeting needs across either location.

JD:

EXPERIENCE AND SKILLS NEEDED
Degree or Diploma in Computer Science, Information Systems, Information/Infocomm Technology, Computer or Electronics Engineering or related discipline

Minimum 3-5 years of Project Management experience

Participated in full software or product development cycles, preferably using Agile Methodology with past development experience

Strong analytical, conceptualisation and problem solving skills

Excellent communication skills, both oral and written, with the ability to pitch ideas and influence stakeholders

Added advantage if possess the following:

Project Management (Agile) experience

Project Management related certification such as CITPM, COMIT or PMI

Experience in Audit/Quality Management and Portfolio Management

Additional Responsibility

- Drives project management for complex technical initiatives by applying

advanced understanding of cloud platforms for infrastructure planning, and

data integration solutions for system connectivity.

- Partner with Product Manager in managing operational aspects of products or

feature areas and driving their success from implementation to ongoing

support.

- Conduct and support through systems, users and security tests pre-release.

- Contribute to setup and configuration of DevOps tools and environments.

- Accountable for identifying and assessing operational risks, developing

mitigation strategies (including audit preparation and incident management

processes).

Added Advantage for below Experience & Skillset

- Ability to handle ambiguous projects with minimal guidance, managing end-to-

end delivery and aligning with organizational goals.

- Building strong team relationships and supporting cross-functional

collaboration.

- Highly meticulous and tenacious, follows up with things to closure.

- Experience in government agencies is a plus.

- Experience with platforms like Confluence, JIRA are a plus.

Software Development & AI Implementation

1. i. Develop scalable, resilient cloud-native applications using modern programming languages and frameworks.
2. ii. Implement AI features by integrating machine learning models, APIs, and cloud AI services into production applications.
3. iii. Write clean, maintainable, and well-documented code that addresses real user needs, following established coding standards and best practices.
4. iv. Participate in code reviews, technical design discussions, architecture reviews and contribute to continuous improvement of development processes.
5. v. Contribute to robust automated testing frameworks and create comprehensive technical documentation and decision records.

Cloud Development & Deployment

• Build applications leveraging cloud platforms such as AWS, Azure, or Google Cloud Platform, utilising their core services and AI capabilities.
• Develop microservices, containerised applications, and serverless functions as part of larger system architectures.
• Collaborate with DevOps teams to deploy applications through CI/CD pipelines and monitor application performance in cloud environments.

Agile Team Participation

• Actively participate in agile ceremonies including daily stand-ups, sprint planning, sprint reviews, and retrospectives.
• Work collaboratively with the Lead Developer,product owners, and cross-functional team members to deliver features within sprint commitments.
• Contribute to story estimation, task breakdown, and sprint goal achievement whilst embracing agile principles and continuous learning.

• Bachelor's degree or higher in Computer Science, Software Engineering, or related field, or equivalent practical experience, preferably with minimum 3 years of experience in software engineering roles with exposure to cloud-based applications.
• Proficiency in at least one modern programming language such as Python, JavaScript, Golang or similar. Strong foundation in computer science concepts including data structures, algorithms, Object-Oriented Programming principles, with knowledge in database concepts (SQL, No-SQL) and CI/CD pipeline (GitHub workflows);
• Familiar with web development technologies (HTML,CSS, JavaScript), API Design, DevOps principles, version control (Git), software development lifecycle and testing methodologies.
• Basic experience with cloud platforms such as AWS, Azure, or GCP, and understanding of cloud services. Familiarity with containerization concepts (Docker) and API development.
• Experience working in agile development environments using Scrum or Kanban methodologies
• Experience working with AI coding assistants (e.g. Github CoPilot, Claude Code); and
• Good communication skills and ability to work effectively in a collaborative team environment, willingness to learn from senior team members and contribute to team knowledge sharing, and committed to writing clean, readable code and delivering quality work within established timelines.

Role: Product Manager (UX/Product Designer & Procurement)

JD:

1. Product Design & User Research

● Deep-Dive Workflows: Analyze Singpass Incident Response (IR) workflows to design

intuitive dashboards, alert flows, and communication templates within the core IRM

platform to aggressively reduce Mean Time to Recovery (MTTR).

● UX/UI Strategy: Translate user feedback into tangible wireframes and functional product

requirements optimized for high-stress environments.

2. Framework Mastery & Training (Train-the-Trainer)

● IMAG Expertise: Undergo intensive training to become deeply well-versed in GovTech’s

Incident Management Assessment Guide (IMAG) framework.

● Knowledge Transfer: Act as the primary trainer, upskilling both the core Singpass team

and future onboarded users on the IMAG framework and the practical usage of the IRM

platform.

3. Procurement, Finance & Vendor Management

● Government Procurement: Partner closely with GovTech’s Finance Business Partners

to navigate and execute the procurement of enterprise platform licenses and associated

productivity tools.

● Vendor Operations: Lead coordination with the enterprise platform vendor support team

to advocate for new features, track deliverables, and monitor the resolution of security

vulnerabilities.

4. Stakeholder & Compliance Management

● Roadmap Alignment: Act as the central bridge between Singpass users, GovTech

leadership, and engineering teams to prioritize the product backlog.

● Security & Compliance: Ensure the platform rigorously adheres to GCC+ and GDC

security standards lifecycle.

Role: Full stack Software Engineer (GenAI Platforms)

JD:

● Provide technical leadership to an agile, cross-functional development team

● Define and communicate technical vision across multiple workstreams

● Design scalable, secure, and resilient architectures for search and AI-powered systems

● Make architectural trade-offs balancing performance, cost, reliability, and security

● Collaborate with other Tech Leads to plan technical spikes and long-term technical

strategy beyond sprint scope

● Identify technical risks early and lead mitigation strategies

● Architect systems leveraging:

○ LLM integrations (e.g., Azure OpenAI, OpenAI APIs, etc.)

○ Retrieval-Augmented Generation (RAG)

○ Semantic search and vector databases

● Establish guardrails for AI systems including:

○ Evaluation frameworks

○ Observability and monitoring

○ Data governance and security considerations

● Guide the team from experimentation → prototype → production-ready AI systems

● Evaluate emerging AI technologies and assess suitability for public sector use cases

● Champion Agile technical practices (TDD, pair programming, refactoring, CI/CD)

● Lead DevOps adoption including build, release automation, and infrastructure

improvements

● Oversee automated testing strategy (unit, integration, performance)

● Lead resolution of technical blockers and retrospective improvements

● Ensure engineering standards are upheld across the team

● Work closely with Product Owners and Business Analysts to prioritise business stories

and technical investments

● Collaborate with UX Designers for feasibility studies and solution estimation

● Partner with Delivery Managers on long-term planning, system integrations, and

resource forecasting

● Represent the development team in governance and stakeholder meetings

● Mentor and coach engineers to grow both technically and professionally

How to Succeed

● 5–7+ years of experience in web application development

● Proven experience leading agile development teams

● Strong hands-on experience with:

○ Node.js, TypeScript

○ Cloud platforms (Azure, AWS, GCP)

○ SQL & NoSQL databases

○ CI/CD pipelines

○ DevOps practices

● Designed or led systems involving:

○ Search engines (crawl, index, ranking, relevance tuning)

○ Semantic search or vector search

○ RAG architectures

● Production experience integrating LLMs into applications

● Experience managing AI-related trade-offs:

○ Latency vs cost

○ Accuracy vs hallucination risks

○ Prompt engineering strategies

○ Model evaluation methodologies

● Understanding of AI system governance, security, and responsible AI practices

● Strong coaching and mentoring capabilities

● Comfortable leading technical discussions and influencing stakeholders

● Proactive self-starter with strong ownership mindset

● Passionate about continuous improvement

● Curious about emerging technologies and willing to experiment responsibly

● Strong communication and stakeholder management skills

● Meticulous attention to quality and engineering standards

• Round-the-clock monitoring and maintenance of the System (hardware and software) to ensure system uptime in accordance to SLA commitments
• Respond to all incident / service calls and be first responder onsite to troubleshoot and resolve incidents including basic repairs or parts replacements
• Create / update and track ticket in ticketing tool to closure observing SLA commitments
• Escalate, when necessary, in accordance to escalation matrix
• Perform regular preventive and corrective maintenance, troubleshooting system hardware and all computer-based systems.
• Coordinate and work with third-party suppliers or other contractors to identify the causes of issues e.g. hardware, software, network problems and etc. that may affect the proper functioning of the System.
• Liaise and work closely with customers to address service concerns and to solve technical problems.
• Work with technical team to resolve more advanced issues when necessary
• Perform Install / Move / Add / Change (IMAC) activities as tasked
• Ensure all material is properly documented and handed over during shift changes
• Perform any ad-hoc duties as assigned
• Build sustainable relationships and engage customers by taking the extra mile

Requirements:

• Diploma or Higher NITEC in Electrical Engineering, Electronics, Information Technology, or a related discipline.
• 1–2 years of relevant experience in system monitoring, operations support, or a similar environment.
• Experience in a monitoring center or operations support role is preferred.
• Basic knowledge of networking and database management is advantageous.
• Exposure to electrical/mechanical drawings, service manuals, or technical documentation is an added advantage.
• Airport operations experience will be an advantage.
• Strong communication, analytical, and problem-solving skills.
• Self-motivated, proactive, and able to work independently as well as within a team.
• Ability to work effectively under pressure and interact with stakeholders at all levels

Working hours

• Rotating 12 hours shift or as assigned.
• Shift pattern: 3 Days work shift followed by 2 days’ rest, 2 Days work shift followed by 3 days’ rest
• 2 Months Day shift, followed by 2 months night shift

Reporting locations: Woodlands, ability to travel to other sites during shift may be required 

Compensation:

Annual Bonus: Yes, 1 month annual bonus 

Allowance & Variable Components: Yes

Job Description: 

• Round-the-clock monitoring and maintenance of the System (hardware and software) to ensure system uptime in accordance to SLA commitments
• Respond to all incident / service calls and be first responder onsite to troubleshoot and resolve incidents including basic repairs or parts replacements
• Create / update and track ticket in ticketing tool to closure observing SLA commitments
• Escalate, when necessary, in accordance to escalation matrix
• Perform regular preventive and corrective maintenance, troubleshooting system hardware and all computer-based systems.
• Coordinate and work with third-party suppliers or other contractors to identify the causes of issues e.g. hardware, software, network problems and etc. that may affect the proper functioning of the System.
• Liaise and work closely with customers to address service concerns and to solve technical problems.
• Work with technical team to resolve more advanced issues when necessary
• Perform Install / Move / Add / Change (IMAC) activities as tasked
• Ensure all material is properly documented and handed over during shift changes
• Perform any ad-hoc duties as assigned
• Build sustainable relationships and engage customers by taking the extra mile

Requirements:

• Diploma or Higher NITEC in Electrical Engineering, Electronics, Information Technology, or a related discipline.
• 1–2 years of relevant experience in system monitoring, operations support, or a similar environment.
• Experience in a monitoring center or operations support role is preferred.
• Basic knowledge of networking and database management is advantageous.
• Exposure to electrical/mechanical drawings, service manuals, or technical documentation is an added advantage.
• Airport operations experience will be an advantage.
• Strong communication, analytical, and problem-solving skills.
• Self-motivated, proactive, and able to work independently as well as within a team.
• Ability to work effectively under pressure and interact with stakeholders at all levels

Working hours

• Rotating 12 hours shift or as assigned.
• Shift pattern: 3 Days work shift followed by 2 days’ rest, 2 Days work shift followed by 3 days’ rest
• 2 Months Day shift, followed by 2 months night shift

Reporting locations: Woodlands, ability to travel to other sites during shift may be required 

Compensation:
Fixed Basic Monthly Salary: $3,200 to $3,700 per month maximum & offer will be made depending on the skills & experience level 

Annual Bonus: Yes, 1 month annual bonus 

Allowance & Variable Components: Yes

• Monitor and manage the system to ensure that all system parameters are optimum. 
• Escalated to the necessary teams if there is any abnormality to the systems or the system parameters are less optimum. 
• Manage number of inbound and outbound calls in a timely manner 
• Follow communication “scripts” when handling different topics 
• Identify customers’ needs, clarify information, research every issue and provide solutions and/or alternatives 
• Build sustainable relationships and engage customers by taking the extra mile 
• Keep records of all conversations in our call center database in a comprehensible way 
• Collect, collate, compute and calculate the various support KPIs 
• Colate, computeand calculate the various system performance from system/application logs. 
• Other administrative tasks, documentation and creation reports to be assigned. 
• Conduct investigation activities to be assigned. 

JobRequirements 

• Diploma, Higher NITEC in Electrical, Electronics, IT or equivalent 
• Minimum 1 to 2 years of relevant experience 
• Relevant experience as a monitoring center engineer 
• Experience in electrical/mechanical drawing, service/repair manuals and or diagrams will be added advantage 
• Basic knowledge in Networking and Database management will be added advantage 
• Airport operations background will be added advantage 
• Strong communication and interpersonal skills. Self-starter, self-motivated and critical thinker who embraces challenges 
• Ability to work responsibly, independently and in a team 
• Able to interact with all levels of people and work under stress 
• Willing to work on a 12-hour rotational shift pattern, which includes day, night,weekends, public holidays etc. 
• Training will be provided 

Workinghours 

Rotating 12 hours shift or as assigned. 

4days 12 hours and 3 days rest 

Followed by 3 days 12 hours and 4 days rest

Job Description 

• Monitor and manage the system to ensure that all system parameters are optimum. 
• Escalated to the necessary teams if there is any abnormality to the systems or the system parameters are less optimum. 
• Manage number of inbound and outbound calls in a timely manner 
• Follow communication “scripts” when handling different topics 
• Identify customers’ needs, clarify information, research every issue and provide solutions and/or alternatives 
• Build sustainable relationships and engage customers by taking the extra mile 
• Keep records of all conversations in our call center database in a comprehensible way 
• Collect, collate, compute and calculate the various support KPIs 
• Colate, computeand calculate the various system performance from system/application logs. 
• Other administrative tasks, documentation and creation reports to be assigned. 
• Conduct investigation activities to be assigned. 

JobRequirements 

• Diploma, Higher NITEC in Electrical, Electronics, IT or equivalent 
• Minimum 1 to 2 years of relevant experience 
• Relevant experience as a monitoring center engineer 
• Experience in electrical/mechanical drawing, service/repair manuals and or diagrams will be added advantage 
• Basic knowledge in Networking and Database management will be added advantage 
• Airport operations background will be added advantage 
• Strong communication and interpersonal skills. Self-starter, self-motivated and critical thinker who embraces challenges 
• Ability to work responsibly, independently and in a team 
• Able to interact with all levels of people and work under stress 
• Willing to work on a 12-hour rotational shift pattern, which includes day, night,weekends, public holidays etc. 
• Training will be provided 

Workinghours 

Rotating 12 hours shift or as assigned. 

4days 12 hours and 3 days rest 

Followed by 3 days 12 hours and 4 days rest

Key Responsibilities:

• Develop and maintain backend services using Golang
• Build REST APIs and microservices for system integrations
• Collaborate with DevOps, QA, and frontend teams
• Optimize performance, scalability, and reliability
• Troubleshoot production issues and ensure timely resolution
• Follow best practices, contribute to code reviews, and maintain documentation

Required Skills & Experience:

• 1–5 years of experience in backend development with Golang
• Strong understanding of REST APIs and microservices architecture
• Experience with MySQL and testing frameworks
• Knowledge of concurrency (goroutines, channels)
• Familiarity with Git and software development best practices
• Good problem-solving and communication skills

Preferred:

• Experience with Docker, Kubernetes, and CI/CD pipelines
• Exposure to cloud platforms (AWS, Azure, or GCP)

• 6years of experience in the field of business analysis.
• Ability to analyse complex data sets, identify patterns, and derive meaningful insights to support decision-making and problem-solving.
• Excellent verbal and written communication skills to effectively interact with stakeholders, convey technical information clearly and create comprehensive documentation.
• Understanding of business processes, workflows, and industry-specific knowledge to align solutions with organisational goals and strategies.
• Capability to identify issues, evaluate alternatives, and propose innovative solutions to address business challenges.
• Familiarity with business analysis tools, data analysis software, and an understanding of software development methodologies
• Expertise in gathering and documenting detailed business requirements, creating functional specifications, and user stories.
• Skill in managing relationships and expectations among diverse stakeholders, including clients, users, developers, and management.
• Ability to adapt to changing project scopes, priorities, and timelines while remaining focused on delivering quality outcomes. Previous experience in Insurance Domain is a value add - Data Engineer understanding make it more effective

Role: Java Developer

JD:
Responsible for designing, developing and testing software modules, ensuring optimal functionality and integration within complex systems. The role demands a combination of in-depth technical expertise and collaboration with cross-functional teams to innovate and deliver high quality software solutions.

• Design, develop, and maintain software modules ensuring adherence to software engineering best practices
• Collaborate with cross-functional teams to define software requirements and to ensure alignment of deliverables with business objectives
• Produce robust software builds from source code, meeting defined performance and security criteria
• Lead and participate in code reviews, ensuring quality and adherence to coding standards
• Conduct system integration tests, diagnose faults, and foster continuous improvement in software robustness and efficiency
• Utilize the latest development methodologies to innovate and enhance the software delivery process
• Contribute to architectural and system design decisions, ensuring scalability, reliability, and maintainability
• Mentor junior engineers, share software engineering best practices and domain knowledge

• Dedication to producing clean, efficient, and maintainable code with a focus on robust software design
• Proficient in backend and frontend programming languages and deep understanding of software development life cycle
• Demonstrated knowledge of software architecture, design patterns, and best practices
• Ability to lead and contribute to the evolution of software engineering standards and practices
• Strong analytical and problem-solving skill

Role: Cloudera Admin

JD:
We are looking for a motivated Hadoop Administrator with 3 years of handson experience in managing Cloudera Hadoop environments You will support daily platform operations assist in patching upgrades and participate in migration activities under senior guidance

Key Responsibilities

Monitor Hadoop cluster performance and ensure service availability

Handle incident management and perform vendor log collection for Cloudera products

Execute application stopstart and configuration requests as per operational needs

Collaborate with OS Storage Network and Compute teams for crossplatform support

Assist in job failure analysis queue management and resource allocation

Perform patching minor upgrades and participate in NiFi template migrations

Contribute to backup and recovery operations for critical datasets

Handle user and access management requests Kerberos Ranger LDAP

Participate in Cloudera minor version upgrades and hotfix deployment under supervision

Support DR drill activities and synchronization between production and DR environments

Monitor platform using Cloudera Manager Grafana and ELK dashboards

Required Skills Experience

3 years experience with the Hadoop ecosystem HDFS YARN Hive Spark Oozie

Basic understanding of Cloudera Manager and its administrative tools

Proficient in Linux administration and shell scripting

Familiar with Kerberos authentication Ranger security and user access management

Understanding of patch management and platform upgrade workflows

Good troubleshooting log analysis and communication skills

Good to Have

Exposure to Python or Ansible scripting for automation

Experience in CICDbased cluster operations

Familiarity with AWS or Azurebased Hadoop deployments

Role: Network Engineer L2

JD:
• Network consulting for new projects. 

• Implementation of new solutions and risk mitigation techniques 

• Receipt, evaluation and implementation of inbound Network Access user and device provisioning/de-provisioning service requests 

• Experience in managing Wireless Environment with WLAN Controller. 

• Experience in managing Network Access Control 

• Assets risk measurement and Mitigation/Minimize risk 

• Network security issue resolving approach 

• Alignment with security governance team 

• Perform maintenance of the network authorization infrastructure as well as network backup system. 

• Maintains inventory of equipment and parts as well as documentation of vendor activates. 

• Develop and documents systems standards for computer and network device. 

• Recommend and schedule repairs to the LAN/WAN and ensure timely user notification of maintenance requirements and effects on system availability. 

• Strong networking background and experience, with the ability to do troubleshooting of both access control and network related problems. 

• Troubleshoot networks, system, and applications to identify and correct malfunction; other operational difficulties and provide telephone and internal users.