Total 644 java developer job vacancies in Information Technology category

Responsibilities:

• The design, development and implementation of applications related changes to agreed timeframes and standards.
• Responsible for peer code reviews to ensure the quality of the code deployed in the NEMS systems.
• Working closely with the Applications team and internal business users to ensure changes are developed in a way that that provides maximum benefit to the company, in a cost-effective, secured and operationally “risk-free” manner.
• Providing assessments on the impact and risk of potential changes to the systems and the business as a whole.
• Creation of concise detailed system specifications for changes that solve business needs and implementing changes to these agreed specifications.
• Following strict change control and version control processes to ensure quality changes are implemented in an auditable manner.
• Be outspoken in providing “best practise” recommendations.
• Proactively suggest ways to reduce operational overhead by “streamlining” manual tasks into automated procedures.
• Providing application support to the Operations team whenever necessary.

Requirements:

• Degree (IT) or Equivalent Formal Training.
• Strong applications development experience with at least 8 years of development work experience with the following tools and technologies:J2EE, Java, PrimeFaces, JSP, Servlets, JMS, Angular, SpringBoot, PL/SQL, java Microservice, REST API, XML, XSL, EJB, Struts, Hibernate, J2EE Design Patterns, Java Security, Oracle DB19C, Oracle Weblogic / DB11g and 12C, JBoss EAP 7.0 Eclipse, Container based architecture
• Experience on Applications security throughout the development lifecycle and ability to enhance applications to meet the security best practices.
• Highly motivated to provide complete solutions to customers. Being able to talk to users and understand their requirements is essential.
• The ability to manage oneself during projects from start to finish, throughout the whole development lifecycle.
• Experience with software configuration management principles and systems.
• Experience with test methodologies and tools.
• Experience with implementing medium to large scale projects. (i.e. project that span across at least 6 calendar months with at least 2 full developers and above)

Interested candidate please click "APPLY" to begin your job search journey and submit your CV directly through the official PERSOL job application platform - GO Mobile.

This is in partnership with Employment and Employability Institute Pte Ltd (“e2i”). e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to e2i’s PDPA.

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

• Reg. R23118506, Goh Li Min

Product area

The Global Business Organization (GBO) is the engine that powers Google’s full ecosystem of products and services to help customers and partners succeed and grow. GBO includes the commercial arms of Ads sellers, business development teams, and customer services and support, as well as overlay programs that enable coordinated engagement with Google's most complex and important customers and partners.

Job description

Businesses of all shapes and sizes rely on Google’s unparalleled advertising solutions to help them grow in today's dynamic marketing environment. You bring a passion for sales, knowledge of online media, and commitment to maximize customer success. You act like an owner, move with velocity through change, finding innovative and strategic ways to consistently deliver extraordinary and incremental outcomes for both Google and your customers. You build trusted relationships with customers, uncovering their business needs and translating them into powerful solutions to achieve their most ambitious goals. You achieve as a team with sellers, shape the future of advertising in the AI-era, and make a real impact on the millions of companies and billions of users that trust Google with their most important goals.

Additional job description

As an expert on international growth success factors and member of a global network that you can leverage, you are a trusted advisor and partner to our App Developers. From strategic planning, identifying the right markets, to setting them up for success within their non-domestic footprint, you provide insights and support and help them reach and exceed their international ambitions. Working closely with our advertisers, you develop an understanding of their business needs, objectives and decision processes. Your entrepreneurial spirit, strategic selling, communication and problem solving abilities allow you to identify the biggest levers for success, and present unique insights that shape our customers’ plans. Based on your knowledge of online media and understanding of our product suite, you create Google-caliber solutions that turn these plans into results.

Qualifications

Job responsibilities

• Develop high-touch relationships to serve as a trusted consultant with major international customers to fuel their advertising growth. Develop, test, and scale strategies to leverage AI in solving client pain points or improving internal work efficiency. Build repeatable solutions that expand the impact.
• Design and set up clear data infrastructure to enable identification of forward looking trends for clients to take action on.
• Identify high-impact export opportunities based on existing frameworks and tools, and develop new ideas and approaches to drive export growth for the assigned portfolio.
• Partner with sales and cross-functional teams to manage the support from expansion strategy to campaign execution.
• Contribute to growing export acumen and resources within Google, participate and lead external workshops and trainings to educate customers beyond your assigned portfolio on export opportunities and strategies.

Minimum qualifications

• Bachelor's degree or equivalent practical experience.
• 4 years of experience gathering and presenting technical and financial data to promote products, services, and solutions.
• 4 years of experience in business development, partnerships, management consulting, advertising business, media, or working with advertising agencies.
• Ability to communicate in English and Vietnamese fluently to communicate with and support Vietnamese speaking customers.

Preferred qualifications

• MBA or advanced professional degree in a relevant field.
• Experience consulting with app developers, including familiarity with gaming app monetization and marketing strategies.
• Familiarity with the cultural and business nuances of various countries, particularly in Asia.
• Ability to communicate in Chinese fluently to communicate with and support Chinese speaking customers.
• Ability to communicate effectively and align multiple internal and external stakeholders toward shared goals.
• Ability to turn data-driven narratives into business growth opportunities, specifically within mobile and digital mediums.

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.

Company Overview

AspenHealth is a management consulting firm specializing in primary and allied healthcare talent recruitment, facilities maintenance, marketing, and pharmacy management.

Job Summary

Develop and support clinic software and web services to enhance healthcare operations, ensuring secure, efficient, and compliant systems that integrate with government services and support clinic staff productivity.

Responsibilities

• Develop and maintain clinic software and web services/APIs that exchange data with government services to ensure seamless integration and compliance
• Research and implement advanced software solutions to improve productivity and performance for HQ and clinic staff
• Design and develop solutions using C#/VB.NET with MSSQL databases to meet operational needs
• Provide 2nd level application support by independently analyzing and resolving user issues during clinic operational hours
• Create dashboards to monitor production system status for proactive system management
• Develop secure systems compliant with IT security policies and development best practices
• Participate in mobile development projects by applying relevant experience or demonstrating aptitude for mobile technologies

Required competencies and certifications

• Bachelor's Degree in Computer Science, Engineering, or equivalent
• Minimum 2 years of programming experience in ASP.NET, Entity Framework, MVC, C#, VB.NET, and AJAX
• Experience designing Web API and SOAP web services following best practices
• Proficient in writing SQL scripts for data analysis
• Skilled in HTML and CSS with responsive design expertise, including handling cross-browser and cross-device compatibility
• Experience leveraging cloud services effectively in project development
• Ability to support systems independently during clinic operational hours

Preferred competencies and qualifications

• Experience in the healthcare industry
• Experience with mobile development frameworks such as React Native, Xamarin, and Flutter
• Familiarity with mobile application architecture patterns including MVVM, MVP, and MVC
• Ability to work independently with minimal supervision

Job Overview:
We are seeking a highly skilled Software Developer to join our team in Singapore. The successful candidate will be responsible for researching, designing, and developing software and applications. This role requires strong analytical skills and the ability to develop innovative software solutions that meet user needs and performance requirements.
Key Responsibilities:

• Research, design, and develop computer software and applications to meet business and technical requirements.
• Analyze user needs and translate them into software solutions using computer science, engineering, and mathematical principles.
• Update, enhance, and optimize existing software to improve performance and functionality.
• Develop and direct software testing and validation procedures to ensure quality and security.
• Collaborate to integrate hardware and software systems for seamless operation.
• Define software specifications and performance requirements for new and existing applications.
• Stay updated with emerging technologies to continuously improve software development processes.

Requirements:

• A Bachelor’s degree in Computer Science, Information Technology, Programming & Systems Analysis or Science (Computer Studies)
• Minimum of three (3) years of work experience as a Software Developer.
• Proficiency in programming languages, such as , Java, Python, JavaScript or GoLang
• Experience in Agile or other software development methodologies
• Strong knowledge of software architecture, database systems, and cloud technologies.
• Ability to develop scalable and efficient software solutions.
• Strong problem-solving and analytical skills.
• Excellent communication skills in English (both written and verbal).

Why Join Us?

• Competitive salary & benefits package
• Career growth & professional development in a fast-paced tech environment.
• Collaborative and innovative work culture with exposure to the latest technologies

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.

Min. Educational Qualification (& discipline):

• Diploma or equivalent certification in Software Engineering / Software Development / Computing

Experience

• At least two years of professional experience in C++ development, familiar with the STL and proficient in multi-threaded programming.

Windows Programming

• Familiarity with common Windows programming frameworks, understanding of Windows messaging mechanisms, and knowledge of the MVC structure in Windows applications.

Database Knowledge:

• Familiarity with SQL databases, with experience using ADO and ODBC for database programming.

Configuration Files:

• Familiarity with XML and common configuration files.

Networking:

• Basic understanding of network programming.

GUI Programming:

• Preferably, knowledge of the MFC framework or other Windows GUI programming experience.

About the Role:

We are looking for a Software Developer to design, develop and maintain scalable, high-performance, and secure web applications. You will work across frontend and backend technologies while leveraging cloud platforms, DevOps automation, and modern engineering practices.

Working Hours: Mon-Fri, Office hours
Working Location: Central
Salary package: UP to $9,800 (basic) + AWS
Job Type: Contract

Key Responsibilities:

• Design, build, and maintain scalable, secure, and high-performance web applications covering both frontend and backend components.
• Develop backend APIs and manage databases to support application functions and data processing.
• Create responsive and user-friendly frontend interfaces using modern frameworks.
• Handle data processing, transformation, and integration across multiple systems.
• Ensure best practices for application security, scalability, and performance are followed.
• Troubleshoot and fix technical issues to keep systems running smoothly.

Requirements:

• Degree in Computer Science, Information Technology, or related field
• Minimum 5 years of experience in frontend and backend
• Strong experience in frontend technologies and frameworks (React.js), backend development using Node.js and building RESTful API or GraphQL services.
• Familiarity with cloud platforms (AWS, Azure, Goolge Cloud) and container technologies such as Docker or Kubernetes
• Strong problem-solving skills and ability to work independently or within a team.
• Experience working in enterprise or government environments

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

Job Summary

Develop and maintain software solutions using Python and DevOps practices, leveraging strong Linux and on-premises infrastructure expertise to support efficient CI/CD pipelines and cloud-native environments.

Responsibilities

• Develop and maintain software applications using Python, applying object-oriented programming concepts to deliver scalable solutions
• Design, implement, and manage CI/CD pipelines using Jenkins to automate software build, test, and deployment processes
• Administer and troubleshoot Linux-based systems to ensure stable on-premises infrastructure operations
• Execute SQL commands and analyze data to support application functionality and data integrity
• Deploy and manage cloud-native technologies such as OpenShift and Kubernetes to optimize container orchestration and application scalability
• Collaborate with cross-functional teams to integrate DevOps practices and improve software delivery efficiency