Total 275 java developer job vacancies in Information Technology category in Islandwide

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance applications using Java
• Build and enhance backend services, APIs, and microservices architectures
• Collaborate with frontend developers, QA engineers, and DevOps teams to deliver end-to-end solutions
• Participate in system design discussions, code reviews, and technical decision-making
• Troubleshoot, debug, and optimize application performance
• Ensure code quality through best practices, testing, and documentation
• Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives

Requirements

• Degree in Computer Science, Engineering, or related field
• Strong experience in Java development (Spring Boot preferred)
• Proven experience in building scalable and distributed systems
• Familiarity with RESTful APIs, microservices, and cloud environments
• Experience with databases (SQL/NoSQL) and performance tuning
• Understanding of CI/CD pipelines and DevOps practices
• Strong problem-solving skills and ability to work independently

Good to Have

• Experience with containerization tools (Docker, Kubernetes)
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Knowledge of messaging systems (Kafka, RabbitMQ)
• Familiarity with frontend technologies (React, Angular)

Work Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.

Required Backend Technical Skills
· Strong proficiency in Java (Java 21) with deep understanding of core concepts, coupled with expert-level Spring Boot framework knowledge (MVC, Data, Security, Cloud).
· Strong understanding of modulith/microservices patterns and best practices,
alongside experience with relational databases (e.g., MariaDB, PostgreSQL) and SQL optimization.
· Strong knowledge of RESTful API design principles and experience with message queues (Kafka, IBM MQ, etc.).
· Proven expertise in unit testing and integration testing (JUnit, Mockito, Karate), and a strong understanding of design pa

Responsibilities:

Work closely with the BA, infra, deployments and vendor teams.

• Use and manage vendor augmented resources and ensure work assignments for high utilization and effective, quality outcomes while avoiding re-work
• Drive technical innovation to enhance functional and technical capabilities of the platform
• Build frameworks for configuration instead of code for each component
• Communicate with technical and non-technical resources and work with limited direction while being highly productive
• Apply standards and industry frameworks while leverage existing technologies and tools in the Bank
• Implement solutions considering functionality, data, security, integration, infrastructure and performance.
• Produce detailed design /low level design documents that communicate the system design effectively
• Drive adherence to development, configuration management and deployment standards for solutions
• Analyse performance test, vulnerability assessments and any other test related issues that arise during projects
• Manage, address and resolve project-related technical issues in a timely fashion, ensuring necessary escalation and communication to stakeholders as necessary
• Select, train, develop and manage technical team members in a conducive team environment
• Lead multi-vendor teams to successfully deliver solutions
• Guide the project team in issue resolution to meet the requirements and timelines

Testing & Readiness

• Oversee functional, system, integration, and testing from a business and SME perspective.
• Ensure test scenarios fully cover collections processes, conversion outcomes, and edge cases.
• Support business readiness activities including operational handover, and hypercare.

Stakeholder & Vendor Management

• Serve as a primary liaison between business, IT, vendors, and system integrators.
• Provide clear status reporting, risk management, and issue escalation to senior stakeholders.
• Guide vendors on functional expectations and validate delivered outcomes.

Requirements:
·       Education: ·Degree with 8-10 years of current, hands on technical experience

·       Essential:

o  Go getter attitude with strong analytical and problem solving skills

Solid understanding of:

§  LINUX O/Sand/or RedHat platform and scripting skills

§  Java and internet-related components (i.e: JSON, XML)

§  Spring boot, Camel, FTP

§  Microservices Experiences

§  Jboss, Tomcat., Database, Sql

§  DevOps suite of products (i.e: Jenkins, GitHub, Sonar, Aldon, etc)

§  Connect Direct, SFTP, basic UNIX commands

§  Perf tuning and automation in general

o  Working knowledge of microservice implementation, containers (Docker/Kubernetes), and Kafka.

o  Experience of complete software development lifecycles – waterfall and agile project experience

o  General understanding of banking and knowledge and application of banking technology and regulations/compliance

o  Understanding of data security, privacy, data protection, regulatory and compliance procedures

o  Strong oral communication and writing skills

o   Strong teambuilding, interpersonal and leadership skills

Passionate and results orientated

Key Domain/ Technical Skills:
1.    LINUX O/S and/or RedHat platform and scripting skills

2.    Java and internet-related components (i.e:JSON, XML)

3.    Spring boot, Camel, FTP

4.    Microservices Experiences

5.    Jboss, Tomcat., Database, Sql

6.    DevOps suite of products (i.e: Jenkins, GitHub,Sonar, Aldon, etc)

Connect Direct, SFTP, basic UNIX commands

Responsibilities:

• Design, develop, and maintain Java applications to meet business and technical requirements.
• Provide expertise in coding, testing, deployment, and support of enterprise applications.
• Collaborate with architects, business analysts, and project managers to ensure timely delivery of robust and secure systems.

Requirement

• Diploma or degree in Computer Science, Information Technology, or related discipline
• At least 1 to 2 years of software development experience
• Experience with Java frameworks and enterprise application development
• Experience in AWS cloud, Springboot and ReactJS is an added preference
• Experience in system analysis, troubleshooting, and performance tuning
• Familiarity with the software development lifecycle (SDLC)

Interested applicants, Please send your updated resume in Word format to hres@itcspl.com

Please indicate Job Code "Java Software Engineer - 101" on email subject

We regret that only shortlisted candidates will be notified.

Bacalso John Bryan Bedayo (Reg No. R1106648)

IT Consultancy & Services Pte Ltd

EA No: 92C5311

Please visit www.itcspl.com to learn more information about ITC

We are seeking a talented and driven AI Computing Platform Software Developer to join our cutting-edge engineering team. In this role, you will be responsible for designing and developing software systems and toolchains that power AI computing platforms. Your work will focus on optimizing performance, scalability, and efficiency for AI workloads, ensuring our platform meets the growing demands of machine learning and deep learning models. You will collaborate with researchers, data scientists, and engineers to build next-generation AI computing platform and infrastructure.

Key Responsibilities:

• Design, develop, and optimize the software architecture and source code for AI computing platforms that support machine learning and deep learning workloads.
• Implement and enhance algorithms for distributed computing, parallel processing, and NPU/GPU acceleration.
• Work on software components that interface with hardware accelerators such as NPUs, GPUs, and specialized AI chips.
• Collaborate with AI researchers and developers to improve platform performance for complex AI applications.
• Design and implement tools and frameworks for efficient deployment, monitoring, and scaling of AI workloads.
• Integrate new AI models and algorithms into the computing platform while ensuring scalability, fault tolerance, and efficiency.
• Collaborate with cross-functional teams to troubleshoot and resolve platform-related performance issues.
• Conduct performance profiling, optimization, and benchmarking to ensure the platform delivers high throughput and low latency for AI workloads.
• Stay up-to-date with the latest developments in AI hardware and software architecture, and continuously improve platform capabilities.

Required Skills and Qualifications:

• Bachelor degree in Computer Science, Electrical Engineering, or a related field. Extensive experience in developing high-performance software for computing platforms, ideally with a focus on AI/ML workloads.
• Strong programming skills in languages such as C/C++, Python, or Go, with a focus on low-level programming for high-performance systems.
• In-depth knowledge of AI model optimization such as quantization, model graph pruning and model parameter compression.
• In-depth knowledge of parallel programming techniques and distributed systems.
• Experience with GPU programming (CUDA, OpenCL) or specialized hardware accelerators (e.g., NPUs, FPGAs).
• Familiarity with machine learning frameworks such as PyTorch, TensorFlow, or MXNet.
• Understanding of AI model deployment, orchestration, and optimization on large-scale platforms.
• Experience with containerization (Docker, Kubernetes) , AI computing platform (HuggingFace, Kaggle) and cloud infrastructure (AWS, GCP, Azure).
• Strong problem-solving skills and the ability to optimize software performance for AI workloads.

Preferred Qualifications:

• Experience with deep learning frameworks and tools for performance profiling and optimization.
• Knowledge of low-level hardware optimization techniques (e.g., memory management, CPU/NPU/GPU instruction tuning).
• Familiarity with AI compiler and system-level software for AI computing platforms, such as TensorRT , ONNX Runtime, LLVM，MLIR, TVM.
• Background in designing and implementing high-performance distributed systems and storage solutions.
• Strong understanding of networking, I/O, and data management techniques for AI workloads.

Interested candidate please click "APPLY" to begin your job search journey.

We regret to inform that only shortlisted candidates will be notified.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persolsingapore.com/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy. 

PERSOL Singapore Pte Ltd

•RCB No. 200007268E • EA License No. 01C4394

•Registration ID: Heah Sian Wei R23117518

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

• Lead a team of developers to design, develop, and deliver high-quality software solutions aligned with product specifications and project timelines.
• Collaborate with solution architects to design scalable, secure, and maintainable systems using modern architectural patterns such as microservices and event-driven architectures.
• Establish and enforce development standards including coding practices, documentation, version control, testing, and code reviews to ensure high-quality deliverables.
• Act as the primary technical point of contact for stakeholders, supporting project planning, requirement analysis, system integration testing, and issue resolution.

Requirements:

• At least a diploma with 6 years software development experience.
• Strong Java expertise with Spring Framework and REST APIs.
• Experience with web, cloud, and DevOps tools (Angular/React, Docker, Kubernetes, CI/CD).
• Knowledge of microservices and messaging systems (Kafka, MQ, etc.).

To apply, please include the following details inside your CV for faster processing:

• Reasons for leaving each past & current employment
• Salary drawn for each past & current employment
• Expected Salary
• Earliest availability date

We regret that only short-listed candidates will be contacted shortly.

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

• Lead a team of developers to design, develop, and deliver high-quality software solutions aligned with product specifications and project timelines.
• Collaborate with solution architects to design scalable, secure, and maintainable systems using modern architectural patterns such as microservices and event-driven architectures.
• Establish and enforce development standards including coding practices, documentation, version control, testing, and code reviews to ensure high-quality deliverables.
• Act as the primary technical point of contact for stakeholders, supporting project planning, requirement analysis, system integration testing, and issue resolution.

Requirements:

• At least a diploma with 6 years software development experience.
• Strong Java expertise with Spring Framework and REST APIs.
• Experience with web, cloud, and DevOps tools (Angular/React, Docker, Kubernetes, CI/CD).
• Knowledge of microservices and messaging systems (Kafka, MQ, etc.).

To apply, please include the following details inside your CV for faster processing:

• Reasons for leaving each past & current employment
• Salary drawn for each past & current employment
• Expected Salary
• Earliest availability date

We regret that only short-listed candidates will be contacted shortly.

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance applications using Java
• Build and enhance backend services, APIs, and microservices architectures
• Collaborate with frontend developers, QA engineers, and DevOps teams to deliver end-to-end solutions
• Participate in system design discussions, code reviews, and technical decision-making
• Troubleshoot, debug, and optimize application performance
• Ensure code quality through best practices, testing, and documentation
• Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives

Requirements

• Degree in Computer Science, Engineering, or related field
• Strong experience in Java development (Spring Boot preferred)
• Proven experience in building scalable and distributed systems
• Familiarity with RESTful APIs, microservices, and cloud environments
• Experience with databases (SQL/NoSQL) and performance tuning
• Understanding of CI/CD pipelines and DevOps practices
• Strong problem-solving skills and ability to work independently

Good to Have

• Experience with containerization tools (Docker, Kubernetes)
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Knowledge of messaging systems (Kafka, RabbitMQ)
• Familiarity with frontend technologies (React, Angular)

Work Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.

Zenith Infotech (S) Pte Ltd. was started in 1997, primarily with the vision of offering state-of-the-art IT Professionals and solutions to various organizations and thereby helping them increase their productivity and competitiveness. From deployment of one person to formation of whole IT teams, Zenith Infotech has helped clients with their staff augmentation needs. Zenith offers opportunity to be engaged in long term projects with large IT savvy companies, Consulting organizations, System Integrators, Government, and MNCs.

EA Licence No: 20S0237

Role:

• Gather and analyse user requirements and translate them into application specifications.

• Analyse, design, test, implement, and maintain application systems or web-based applications.

Requirements:

• At least 5 years of experience in systems analysis, design (include database design), development, implementation, and quality assurance.

• Good communication, project management, strong analytical, problem-solving skills.

• Working experience in Object Oriented Analysis and Design.

• Proficiency in Java Enterprise Edition or Spring or equivalent.

• Proficiency in Development of Web-based applications using UI framework such as Angular/AngularJS, jQuery, Struts or equivalent.

• Proficiency in Development of application using Persistence framework such as Hibernate, JPA or equivalent.

• Proficiency in Relational Databases like DB2, SQL Server, Oracle.

• Proficiency in using tools for testing.

• Working experience in using Webserver like Apache Webserver, Microsoft IIS or equivalent.

• Working experience in COBOL, CICS, DB2 is a plus.

• Technical Skills:

Frameworks: Angular/ AngularJS, Apache Spark, Hibernate, Java Persistence API (JPA) Framework, Node.JS, Oracle Application Development Framework (ADF), PrimeFaces, React Framework, Spring Framework (Spring Batch, Spring Boot, Spring Web), Structs.

IDE: Eclipse, JDeveloper, NetBeans

Application Server: JBoss Application Server (now WildFly)

Architectural Concept/Tools: Messaging system (e.g. IBM MQ), Responsive Web Design, Rules Engines, Service Oriented Architecture, WebLogic, WebSphere

Programming Language: Java

Web Development/Maintenance Technologies: Asynchronous JavaScript and XML (AJAX), JavaServer Faces (JSF), Web Services, Web Services for Remote Portlets (WSRP)

Development Tools: Web Integrated Development Environment (IDE)

Web Architectural Style: Representational State Transfer (REST), Simple Object Access Protocol (SOAP)

Environment/Systems: Linux, MS SQL, Oracle, Unix, Windows

OS: Linux, Oracle Solaris, Unix (Solaris)

Platforms: Amazon Web Services (AWS)

DB: DB2, MS SQL, Oracle

Frameworks: Service Component Architecture (SCA)

Programming Languages: Extensible Markup Language (XML), HTML, Java, JavaScript

Technologies: Java technologies

To apply:

Please send your latest CV in MS Word format to jennifer@zenithinfotech.com.sg

Appreciate the interest of all applicants; however only shortlisted candidates will be notified.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance applications using Java
• Build and enhance backend services, APIs, and microservices architectures
• Collaborate with frontend developers, QA engineers, and DevOps teams to deliver end-to-end solutions
• Participate in system design discussions, code reviews, and technical decision-making
• Troubleshoot, debug, and optimize application performance
• Ensure code quality through best practices, testing, and documentation
• Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives

Requirements

• Degree in Computer Science, Engineering, or related field
• Strong experience in Java development (Spring Boot preferred)
• Proven experience in building scalable and distributed systems
• Familiarity with RESTful APIs, microservices, and cloud environments
• Experience with databases (SQL/NoSQL) and performance tuning
• Understanding of CI/CD pipelines and DevOps practices
• Strong problem-solving skills and ability to work independently

Good to Have

• Experience with containerization tools (Docker, Kubernetes)
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Knowledge of messaging systems (Kafka, RabbitMQ)
• Familiarity with frontend technologies (React, Angular)

Work Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.

· A bachelor's or technical degree in Computer Science, IS, or IT is preferred

· At least 8 years of relevant working experience in Java/J2EE development

· Hands-on experience in big data technology development is preferred

· Good understanding & working knowledge with Agile/Scrum

· Hands-on experience of end-to-end design and implementation of complex IT systems

· Solution design using proven patterns, performance tuning.

· DevOps/release management/production support skills strongly preferred.

· Java/J2EE, Java 1.8 and above is preferred to implement parallelism and concurrency.

·        Must have knowledge on Spark/Flink/Storm to analyze and transform large amounts of data.

·        Must have knowledge of HBase and Elasticsearch to perform CRUD operations on big data.

·        Must have good understanding on IBM MQ, Kafka for message processing.

·        Good knowledge on Cloud Platform (AWS, GCP,etc)

·        Should have knowledge of Maven, gradle, Jenkins, UML, GitHub Copilot tools to manage and build project.

·        Should have knowledge on GIT, GIT Lab, Junit, Cucumber, Jira, Sonar to manage/test source code effectively.

·        Should have good knowledge on Spring, Spring REST, Web services, gRPC, Micro services,framework to implement robust API’s.

·        Must have knowledge on Kibana, spark UI, ELK to debug and identify the root cause of the issues.

Roles & Responsibilities

• Manage end-to-end solution architecture and build Java & Web applications on AWS
• Designing, developing, and maintaining high-performance backend services using Java and the Spring Framework
• Designing solutions that are technically sound, scalable, secure, and aligned with business goals
• Managing the technical design and the application development, including testing the developed software
• Designing and developing APIs using Spring Boot and the OpenAPI framework within a microservices architecture

Requirements

• AWS Certification – Solution Architect Associate and Developer Associate
• 8 years of total working experience and at least 6 years of relevant work experience.
• Strong experience in supporting critical application workloads on AWS Cloud
• Providing hands-on support including prototyping and coding, Building proof-of-concepts (POCs).
• Must have exp on cloud platforms AWS.
• Strong experience in integrating application with supporting systems//tools like 2FA, identity Providers (IdP).
• Building POC to validate ideas before full-scale development
• Reviewing technical designs, code, and documentation to ensure quality and consistency
• Must have experience in React JS / Angula JS .
• Performance Tuning: Practical knowledge of JVM tuning, garbage collection optimization, and application performance profiling.
• Set up an end-to-end design for product deployment utilizing Docker’s containerized images
• Must have exp in Credit card and transaction banking(payment) domain.

Roles & Responsibilities

• Manage end-to-end solution architecture and build Java & Web applications on AWS
• Designing, developing, and maintaining high-performance backend services using Java and the Spring Framework
• Designing solutions that are technically sound, scalable, secure, and aligned with business goals
• Managing the technical design and the application development, including testing the developed software
• Designing and developing APIs using Spring Boot and the OpenAPI framework within a microservices architecture

Requirements

• AWS Certification – Solution Architect Associate and Developer Associate
• 10 years of working experience and at least 8 years of relevant work experience.
• Strong experience in supporting critical application workloads on AWS Cloud
• Providing hands-on support including prototyping and coding, Building proof-of-concepts (POCs).
• Must have exp on cloud platforms AWS.
• Strong experience in integrating application with supporting systems//tools like 2FA, identity Providers (IdP).
• Building POC to validate ideas before full-scale development
• Reviewing technical designs, code, and documentation to ensure quality and consistency
• Must have experience in React JS / Angula JS .
• Performance Tuning: Practical knowledge of JVM tuning, garbage collection optimization, and application performance profiling.
• Set up an end-to-end design for product deployment utilizing Docker’s containerized images
• Must have exp in Credit card and transaction banking(payment) domain.

About the role:

We are looking for a Cloud System Developer with a strong interest in automation, scalability, and infrastructure performance, and experience with tools such as Terraform and GitLab. This role involves addressing complex infrastructure challenges and building reliable platforms that support critical services and enable continuous improvement.

Working Hours: Mon-Fri, Office hours
Salary package: $9500 (basic) + AWS
Benefits: Annual Leave, Birthday Leave, Medical Benefits
Job type: Contract

Key Responsibilities:

• Design, develop, and maintain a scalable cloud platform used by multiple organizations.
• Build APIs and backend automation using NodeJS or Python, and support secure CI/CD pipelines (e.g. Terraform, GitLab).
• Implement cloud automation and manage infrastructure across multiple cloud providers.
• Support system reliability, scalability, and operational stability.
• Provide guidance on DevOps practices and contribute to overall engineering best practices.

Requirements:

• Degree in Computer Science, Information Technology, or related field
• Minimum 3 years of experiences in backend/API development with NodeJS or Python
• Good knowledge of Infrastructure as Code (e.g. Terraform), Git, and scripting (e.g. Bash)
• Strong understanding of cloud infrastructure, automation, and CI/CD pipelines
• Hands-on experience with Agile development and deployment practices
• Familiar with AWS, Azure or GCP
• Exposure to distributed systems, security practices, and monitoring tools is a plus

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec’s Privacy Policy (scientecconsulting.com/privacy-policy).

This authorizes us to:
• Contact you about potential opportunities.
• Delete personal data as it is not required at this application stage.

All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Ting Soo Leng (Tiffany)  l Outsourcing Team
ScienTec Consulting Pte Ltd - 11C5781

Join a global software provider delivering mission-critical solutions across defense and public security worldwide. In this role, you will design, develop, test, and enhance Android applications, contributing to impactful systems used in over 100 countries. You will work across the full development lifecycle, from implementation and integration to troubleshooting, while ensuring high standards in performance, compliance, and documentation.

Key Responsibilities

• Develop and maintain Android applications using Kotlin
• Build responsive UIs with Jetpack Compose and Android frameworks
• Integrate RESTful APIs and backend services
• Participate in Agile processes (sprints, code reviews, retrospectives)
• Debug, optimize performance, and improve app reliability
• Contribute to CI/CD, automated testing, and deployment pipelines
• Conduct unit, UI, and UAT testing
• Document technical designs and implementations

Requirements

• ~2 years of Android development experience (Kotlin)
• Strong grasp of Kotlin (coroutines, flows, null safety)
• Experience with Jetpack (ViewModel, Navigation, LiveData/Flow)
• Familiarity with modern Android UI (e.g. Jetpack Compose)
• Experience with REST APIs, JSON, and Git
• Understanding of SDLC and Agile practices
• Exposure to DevOps is a plus

(EAReg No: 20C0312)

Please email a copy of your detailed resume to qianyu@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.