Total 1,186 front end developer job vacancies in Others category in Singapore

Job Summary

This role requires expertise in Java development and related technologies to design, develop, and optimize software solutions that meet business needs and improve system performance.

Responsibilities

• Develop and maintain applications using Core Java 8+ and JUnit to ensure robust and testable code
• Implement messaging solutions using Java Messaging Concepts (JMS, MQ) and RTPM to enable reliable communication between systems
• Design and optimize SQL queries and relational database structures including joins, indexes, and triggers to improve data retrieval efficiency
• Build and consume Web Services using REST and SOAP protocols to integrate with external and internal systems
• Apply Spring Boot and Spring core concepts to develop scalable and maintainable backend services
• Use Maven for project build and dependency management to streamline development workflows
• Execute basic Linux shell scripting commands to automate routine tasks and support deployment processes
• Utilize development tools such as IntelliJ, Git, and SonarQube/SonarLint to enhance code quality and version control

Preferred competencies and qualifications

• Manage application deployment and configuration using JBOSS or other application servers to support production environments
• Develop user interfaces and persistence layers using Java Server Faces, JPA, and EJB to enhance application functionality
• Write and interpret complex SQL queries to support advanced data operations
• Work with Kafka for distributed event streaming to support real-time data processing
• Use React JS to build responsive front-end components for improved user experience

• At least 6 years of development experience using Java/J2EE, BPM, Spring, Spring Boot, and Angular
• Hands on experience in designing and developing applications using Java EE platforms
• Object oriented analysis and design using common design patterns.
• Profound insight of Java and JEE internals
• Experience in developing web applications using Struts, Spring MVC, EJB, Angular, Servlet, EJB, JSP, Ajax, JQuery, XML, HTML, CSS, and JavaScript
• Excellent knowledge of Relational Databases, PL/SQL. Experience in Oracle preferred.
• Excellent knowledge of ORM technologies (Toplink/Hibernate)
• Sound knowledge in Cloud Platforms (AWS, Azure & GCP)
• Experience in Trading applications with FIX protocol and Banking domain.
• Interact with product owner and business to understand new requirements and demo changes iteratively.
• Participate in solution design and collaborate with team for code reviews and design
• Develop components for highly customizable user interface that supports multiple products.
• Ensure a smooth transition to the Support team when a project is delivered to production, training and assist with investigations of production issues.

Role Interaction Points

• Interacts with the Technical Lead, BAs and testers for the project during the project lifecycle
• Interacts with the Client managers for status review meetings
• Ability to work on multiple tasks concurrently

Others

• Should possess good communication and problem solving skills
• Should have Aptitude and Attitude of learning and mastering new technologies and tools
• Working in client facing environment is a plus
• Working in Agile Methodology is a plus

•Core Java 8+ and JUnit.

• Kafka, Oracle

• Spring Boot

• Maven

• Basic Linux shell scripting commands

• Java Messaging Concepts. (JMS, MQ),RTPM

• Relational Database concepts, SQL, joins, index, triggers etc.

• Web Services Rest, SOAP.

• Spring core concepts.

• Experience in SQL queries optimisation

• Familiarity with Intellij, Git, SonarQube/SonarLint

Secondary Skills (Good to Have)
•JBOSS (or any other application server knowledge).

• Java Server Faces, JPA, EJB knowledge.

• Able to write/understand complex SQL queries.

• Kafka

• React JS

Job Summary

Develop and optimize Java-based applications using Core Java 8+, Spring Boot, and related technologies. Collaborate on messaging systems, database management, and web services to deliver efficient, scalable software solutions.

Responsibilities

• Develop and maintain applications using Core Java 8+ and JUnit to ensure robust, tested code
• Implement and optimize messaging solutions using Kafka, Java Messaging Service (JMS), and MQ for reliable data exchange
• Design and build REST and SOAP web services to support integration and interoperability
• Apply Spring Boot and Spring core concepts to develop scalable backend services
• Manage build processes using Maven for consistent and efficient project compilation
• Write and optimize SQL queries, including joins, indexes, and triggers, to improve database performance, RTPM
• Utilize relational database concepts to design and maintain data structures
• Perform SQL query optimization to enhance application responsiveness
• Use Linux shell scripting commands to automate routine tasks and support development workflows
• Employ development tools such as IntelliJ, Git, and SonarQube/SonarLint to maintain code quality and version control

Preferred competencies and qualifications

• Operate application servers such as JBOSS to deploy and manage Java applications
• Develop user interfaces using Java Server Faces (JSF) and manage persistence with JPA and EJB
• Write and interpret complex SQL queries to support advanced data operations
• Work with Kafka for event streaming and messaging
• Develop front-end components using React JS to enhance user experience

About the Role:

We are seeking a DevOps Developer to build and enhance a secure, scalable cloud platform by developing automation, toolchains, and best practices that enable teams to efficiently deliver reliable digital services in an agile environment.

If you enjoy solving complex infrastructure challenges and building resilient, future-ready platforms that power essential services, this role offers meaningful impact and strong technical growth.

Working Hours: Mon-Fri, Office hours
Salary package: $5500 to $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 organisations
• Build APIs and backend automation using Python, and support secure CI/CD pipelines (e.g. GitLab, Atlassian, Terraform)
• Implement cloud automation and infrastructure across multiple cloud providers
• Support system reliability, scalability, and operational stability
• Provide guidance on DevOps practices and contribute to engineering best practices

Requirement:

• Degree in Computer Science, Information Technology, or related field
• Min 3 years experience in Infrastructure as Code (e.g. Terraform), Git, and scripting (e.g. Bash)
• Familiar with public clouds (AWS, Azure or GCP), automation, CI/CD pipelines, system design and application hosting
• Strong knowledge of backend/API development with Python
• Hands-on experience with Agile development and deployment practices
• 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

Responsibilities:

• Skilled in Salesforce development, including Apex, Visualforce, and Lightning Components.
• Experienced in Salesforce configuration, customization, and platform administration.
• Knowledgeable in Salesforce integrations and API implementation.
• Holds Salesforce Platform Developer/Admin certification.
• Familiar with Agile development methodologies.

Qualifications:

• Minimum of 4 years’ experience in Salesforce or low-code SaaS development.
• Experience working in Agile development environments.
  

We regret only shortlisted candidates will be contacted. All applications will be handled confidentially. By submitting your application, you agree to the collection, use, retention, and disclosure of your personal information to prospective employers.

Wecruit Pte Ltd
EA License No: 20C0270
EA Personnel: Nyon Hock Sen (Aden)
EA Personnel Reg No: R24124070

about company

I am currently working with a software consultancy firm that focuses on fintech payment projects with overseas clients.

2-3 rounds of interview process. Hybrid working, Friday WFH. Office at CBD.

about job

• Improvement of the architecture/trading system in the financial/blockchain field which requires the developed system to have high performance, low latency, high availability, and high reliability

• Write high-quality, clean and maintainable code using engineering best practices

• Quick action in case of any productions issue happen, lead up to resolving the issues with coordination with different team members

skills and requirements

• Degree in Computer Science or equivalent

• Proficient in Java

• Proficient in PostgreSQL databases and SQL tuning/optimization

• Experience with designing and implementation of scalable microservices, APIs

• (Plus) Experience with Redis, Messaging Queue, Kafka, managing infrastructure on AWS, JIRA, Confluence, Kubernetes

To apply online please use the 'apply' function, alternatively you may contact Stella at 96554170 (EA: 94C3609 /R1875382)

Responsibilities

• Design, develop and maintain applications and workflows using OutSystems
• Support system integration between OutSystems and enterprise platforms (ERP, APIs)
• Develop and maintain web applications using .NET, C#, HTML, CSS and JavaScript
• Build and support API integrations with secure and scalable architecture
• Implement and support digital solutions aligned with business needs
• Manage regional IT projects from planning to delivery, ensuring timelines are met
• Work closely with business users, IT teams and vendors to gather requirements and deliver solutions
• Identify opportunities for automation and process improvement
• Provide technical support and troubleshoot application issues
• Conduct user training and support adoption of digital tools
• Ensure compliance with cybersecurity and data protection standards
  

Requirements:

• Degree in Information Technology, Computer Science, orrelated discipline
• With 3 to 5 years of relevant IT experience in Digitalsolutions / workflow systems / system integration / IT project delivery
• Regional or multi-country project exposure is anadvantage
• Relevant certifications (e.g. ITIL, PMP, Cloud) preferred
• Hands-on experience in OutSystems development (workflows& apps)
• Strong knowledge of .NET / C# / ASP.NET, HTML, CSS, JavaScript
• Experience with API integrations and system integration
• Familiar with ERP systems, SQL Server / Oracle databases
• Exposure to cloud platforms (Azure / AWS)
• Experience with automation tools / digital transformation projects (good to have)

To apply, please visit www.gmprecruit.com and search for Job Reference: 5WW8X773

To learn more about this opportunity, please contact Yingying at yingying.lai@gmprecruit.com

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA Licence: 11C3793 | EA Personnel: Lai Yingying | Registration No: R1110239

Key Responsibilities

• Greet and attend to customers in a professional and welcoming manner
• Manage appointment bookings, scheduling, and customer enquiries
• Handle front desk operations and maintain a tidy reception area
• Perform administrative tasks including data entry, record keeping, and filing
• Process payments and update customer records in the system
• Coordinate with therapists and consultants to ensure smooth daily operations
• Provide general information on treatments and services

Requirements

• Prior experience in beauty salon, spa, or aesthetic clinic environment preferred
• Able to communicate in English and Mandarin to serve Mandarin-speaking customers
• Good customer service and interpersonal skills
• Well-groomed with a professional and pleasant personality
• Basic administrative and computer skills
• Able to work retail hours and shift schedule
  

Working Hours

• 44 hours per week
• 6 off days per month

Shift schedule:

• 9:45 AM – 7:45 PM
• 10:30 AM – 8:30 PM

Work Location

Perennial Business City, Singapore

We are seeking a Junior GenAI Developer to support the design, development, and operation of production-grade Generative AI solutions. The role focuses on Retrieval-Augmented Generation (RAG), internal knowledge platforms, and AI-driven automation use cases. This is not a prompt-writing role; it is a hands-on engineering position focused on building reliable, scalable AI systems.

Responsibilities

• Implement core RAG pipelines including ingestion, chunking, embedding, retrieval, and response generation.
• Develop Python-based services and APIs that integrate Large Language Models (LLMs)
• Assist in building agent-based workflows with tool/function calling
• Work with vector databases and hybrid search mechanisms
• Participate in debugging hallucinations, retrieval failures, and quality issues
• Write clean, testable, and maintainable code
• Collaborate with senior engineers to move GenAI POCs into production

We are seeking a Junior GenAI Developer to support the design, development, and operation of production-grade Generative AI solutions. The role focuses on Retrieval-Augmented Generation (RAG), internal knowledge platforms, and AI-driven automation use cases. This is not a prompt-writing role; it is a hands-on engineering position focused on building reliable, scalable AI systems.

Responsibilities

• Implement core RAG pipelines including ingestion, chunking, embedding, retrieval, and response generation.
• Develop Python-based services and APIs that integrate Large Language Models (LLMs)
• Assist in building agent-based workflows with tool/function calling
• Work with vector databases and hybrid search mechanisms
• Participate in debugging hallucinations, retrieval failures, and quality issues
• Write clean, testable, and maintainable code
• Collaborate with senior engineers to move GenAI POCs into production

We are seeking a Junior GenAI Developer to support the design, development, and operation of production-grade Generative AI solutions. The role focuses on Retrieval-Augmented Generation (RAG), internal knowledge platforms, and AI-driven automation use cases. This is not a prompt-writing role; it is a hands-on engineering position focused on building reliable, scalable AI systems.

Responsibilities

• Implement core RAG pipelines including ingestion, chunking, embedding, retrieval, and response generation.
• Develop Python-based services and APIs that integrate Large Language Models (LLMs)
• Assist in building agent-based workflows with tool/function calling
• Work with vector databases and hybrid search mechanisms
• Participate in debugging hallucinations, retrieval failures, and quality issues
• Write clean, testable, and maintainable code
• Collaborate with senior engineers to move GenAI POCs into production

Requirements :-

• Looking for a developer with experience working on SRE (Site Reliability Engineering) related projects, in observability and in systems/application monitoring.
• Work with engineering and SRE teams to develop monitoring and health check capabilities for application and infrastructure.
• Provide support for the monitoring and health check capabilities developed.
• As an SRE engineer, you should be comfortable working with scripts, databases, middleware components, developing secure applications, writing/using API and performing frontend, UI/UX design and development.
• Develop application and infrastructure health checks scripts / programs for applications and infrastructure.
• Develop web application dashboards for monitoring and situational awareness.

Requirements :-

• You should be a university graduate (computer science or related field) with good experience working with contemporary programmming languages and web technologies.
• Experience with developing scripts for monitoring, alerting and automation.
• Experience with developing web applications
• Good working knowledge and experience in Java, Java Spring Boot and Python.
• Experience and working knowledge in JavaScript (NodeJS) and Shell Scripting.
• Good working knowledge and experience in querying Elasticsearch.

· Good working knowledge and experience in integrating with Kafka.

· Working experience with relational SQL databases.

· Web development experience such as HTML5, CSS, JavaScript.

· Working knowledge in REST, JSON, GIT.

· Good understanding in Internet Technologies, protocols, and security such as TCP/IP, HTTPS, DNS, REST, LDAP

Role Overview
You will design and build intelligent workflow systems that combine low-code automation, cloud services, and AI capabilities. The role focuses on developing scalable integrations, deploying solutions on Azure, and implementing AI-driven features that enhance human decision-making in operational workflows.

Key Responsibilities

• Design and implement automation workflows using low-code platforms such as Power Automate, Power Apps, or similar tools
• Build integrations across systems and data sources to enablestructured data intake and automated processing
• Configure, deploy, and manage cloud-based solutions on Microsoft Azure
• Develop pipelines that ingest, clean, and standardise operational data
• Implement AI-powered workflows using Azure AI services and language models
• Design and refine prompt engineering strategies to optimise AI responses in real-world workflows
• Develop evaluation methods to measure AI output quality and alignment with human judgement
• Analyse results and create dashboards or reporting tools to track AI performance and workflow efficiency
• Implement secure deployment and cloud best practices, including secrets management and cost monitoring
• Identify workflow inefficiencies and design automation or AI-driven improvements
• Document system architecture, automation logic, and AI evaluation frameworks to support scalability and deployment
• Collaborate with product and UX teams to refine systems based onuser behaviour and operational feedback

Expected Outcomes

• Production-ready automation workflows that reduce manual administrative work
• AI-assisted decision tools that improve prioritisation and operational responsiveness
• Scalable cloud-based systems integrating automation, data, and AI capabilities
• Well-documented solutions that can be maintained and expanded across deployments
  
  Who We Are Looking For!
• Curious and eager to learn about AI, automation, and cloud technologies
• Interested in building real-world workflows using tools like Power Automate / Power Apps / Azure
• Problem-solvers who enjoy improving how things work
• Basic exposure to tech, data, or coding (nice to have, not required)
• Comfortable learning new tools and systems quickly
• Interested in AI tools like ChatGPT / Azure OpenAI
• Able to think logically and work with structured processes
• Good communication and teamwork mindset
• Hybrid working arrangement - 1 day WFH

Role Overview
You will design and build intelligent workflow systems that combine low-code automation, cloud services, and AI capabilities. The role focuses on developing scalable integrations, deploying solutions on Azure, and implementing AI-driven features that enhance human decision-making in operational workflows.

Key Responsibilities

• Design and implement automation workflows using low-code platforms such as Power Automate, Power Apps, or similar tools
• Build integrations across systems and data sources to enablestructured data intake and automated processing
• Configure, deploy, and manage cloud-based solutions on Microsoft Azure
• Develop pipelines that ingest, clean, and standardise operational data
• Implement AI-powered workflows using Azure AI services and language models
• Design and refine prompt engineering strategies to optimise AI responses in real-world workflows
• Develop evaluation methods to measure AI output quality and alignment with human judgement
• Analyse results and create dashboards or reporting tools to track AI performance and workflow efficiency
• Implement secure deployment and cloud best practices, including secrets management and cost monitoring
• Identify workflow inefficiencies and design automation or AI-driven improvements
• Document system architecture, automation logic, and AI evaluation frameworks to support scalability and deployment
• Collaborate with product and UX teams to refine systems based onuser behaviour and operational feedback

Expected Outcomes

• Production-ready automation workflows that reduce manual administrative work
• AI-assisted decision tools that improve prioritisation and operational responsiveness
• Scalable cloud-based systems integrating automation, data, and AI capabilities
• Well-documented solutions that can be maintained and expanded across deployments
  
  Who We Are Looking For!
• Curious and eager to learn about AI, automation, and cloud technologies
• Interested in building real-world workflows using tools like Power Automate / Power Apps / Azure
• Problem-solvers who enjoy improving how things work
• Basic exposure to tech, data, or coding (nice to have, not required)
• Comfortable learning new tools and systems quickly
• Interested in AI tools like ChatGPT / Azure OpenAI
• Able to think logically and work with structured processes
• Good communication and teamwork mindset
• Hybrid working arrangement - 1 day WFH