Total 59 Others java developer job vacancies in D12 Toa Payoh, Balestier, Serangoon

What You Will Do

• Write Code: Build and update backend systems using Java and Spring Boot.

• Fix Problems: Find and fix bugs to keep services running smoothly.

• Teamwork: Work with other developers and designers in an Agile team.

• Keep Data Safe: Follow security rules to make sure citizen information is protected.

• Connect Systems: Create APIs to help different government apps talk to each other.

Skills Needed

• Java: Good experience with Java (Version 11 or higher).

• Spring Boot: Ability to build web applications using the Spring framework.

• Databases: Experience with SQL (like MySQL or PostgreSQL).

• Basic Tools: Familiar with Git (for code saving) and Jenkins (for deployment).

• Testing: Knowing how to write simple tests for your own code.

1. Strong Salesforce experience with exposure to Sales Cloud, Service Cloud

2. Strong in creating Lightning components (Aura knowledge is a must, LWC will be additional advantage)

3. Srong in Apex, Visualforce and LWC

4. Apex Enterprise Patterns Knowledge/Experience

5. Expertise in Configuration elements including Workflows, Validation rules, Process Builder

6. Well versed in any modern IDE (like VS code) and familiar with Git/Bit Bucket

7. Good to have PSS knowledge

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

Job Description & Requirements

• Design, develop, test, and maintain applications using Node.js and Python
• Build and manage RESTful APIs and microservices architecture
• Work extensively in Linux/Unix environments for development and deployment
• Write efficient, reusable, and scalable code following best practices
• Collaborate with cross-functional teams (Product, QA, DevOps)
• Troubleshoot, debug, and optimize application performance
• Manage application deployments, monitoring, and log analysis on Linux servers
• Work with databases (SQL/NoSQL) to design efficient schemas
• Ensure application security, reliability, and scalability
• Bachelor’s degree in Computer Science or related field
• 4+ years of experience in backend development
• Strong expertise in:Node.js (Express.js / NestJS)Python (Django / Flask / FastAPI)
• Hands-on experience with Linux/Unix systems

Embedded Linux & IoT Application Developer

Job Summary

We are seeking a skilled Embedded Linux & IoT Application Developer to design, develop, and maintain intelligent automation and connected device solutions. The ideal candidate will have strong experience in Embedded Linux, IoT protocols, middleware development, device integration, and cloud connectivity. You will play a key role in building scalable systems that connect sensors, controllers, mobile applications, and cloud platforms for smart building and automation environments.

Key Responsibilities

• Develop and maintain Embedded Linux and IoT applications using Python and C.
• Design and implement communication solutions using MQTT, Modbus, RS485, and REST APIs.
• Integrate various hardware devices including sensors, controllers, RFID readers, Android terminals, and edge computing devices.
• Develop middleware services enabling real-time communication between embedded devices, backend servers, cloud platforms, and mobile applications.
• Build and support automation systems for smart buildings, room automation, access control, lift integration, and related IoT applications.
• Design secure and reliable device-to-cloud connectivity architectures.
• Troubleshoot, debug, and optimize embedded software and Linux-based systems to ensure high performance and reliability.
• Deploy and manage applications on Linux platforms using Docker containers and systemd services.
• Monitor system performance, identify bottlenecks, and implement optimization strategies.
• Collaborate with hardware engineers, mobile developers, cloud teams, and project stakeholders to deliver integrated solutions.
• Prepare technical documentation, deployment procedures, and maintenance guides.
• Participate in system testing, commissioning, and production deployments.

Required Qualifications

• Bachelor's degree in Computer Engineering, Electronics Engineering, Computer Science, or a related field.
• Proven experience in Embedded Linux application development.
• Strong programming skills in Python and C.
• Hands-on experience with MQTT, Modbus, RS485, and REST API integration.
• Experience integrating IoT devices, sensors, controllers, RFID systems, and Android-based terminals.
• Solid understanding of Linux operating systems, networking, and system administration.
• Experience with Docker containerization and system service management.
• Strong debugging, troubleshooting, and performance optimization skills.
• Familiarity with cloud-based IoT platforms and device management solutions.
• Knowledge of TCP/IP networking and communication protocols.

Role Overview:

We’re looking for an Oracle PL/SQL Developer with strong experience in banking payment systems, UNIX scripting, and scheduling tools.

You’ll work on maintaining, enhancing, and supporting mission-critical applications for SWIFT, MEPS+, and risk/payment platforms.

Key Responsibilities:  Develop, optimize, and maintain SQL, PL/SQL procedures, functions, packages, and triggers for Oracle databases 9i/10g/11g/12cWrite and maintain UNIX/AIX shell scripts for batch jobs, data loads, and system automation

Support and monitor batch schedules using Control-M scheduler

Troubleshoot issues in payment systems: SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager, and MEPS+

Work with risk and compliance tools like Risk Authority (RAY) Moody’s and BAE Systems DETICA

Manage code/version control using ClearCase, ClearQuest, and Aldon

Perform data analysis and debugging using SQL_Plus, SQL Developer, TOAD, and ORMSCollaborate with business, QA, and production support teams for deployments and incident resolution

Required Skills:

• Languages: SQL, PL/SQL, Unix Shell Scripting
• Databases/Tools: Oracle 9i/10g/11g/12c, ORMS, SQL_Plus, SQL Developer, TOAD, Control-M scheduler, ClearCase, ClearQuest, Aldon
• Risk/Payment Systems: Risk Authority (RAY) Moody’s, BAE Systems DETICA, MEPS+, SWIFT Alliance [AWP, SAA, SAG], SWIFT Online Operation Manager
• Operating Systems: Windows, UNIX AIXGood to Have:  Experience in banking domain, payment processing, or treasury systems
• Mandatory: Experience with SWIFT Alliance, MEPS+, and regulatory compliance systems.

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

* Provide day-to-day operational support and maintenance of low-code/no-code applications.

* Monitor application performance and troubleshoot issues in production environments.

* Design, develop, and maintain applications and automations using Microsoft Power Platform – including Power Apps, Power Automate (Cloud and Desktop flows), Power Virtual Agents, Power BI, and Copilot Studio.

* Build responsive canvas and model-driven apps, integrating with Microsoft 365 and third-party systems to streamline end-to-end processes.

* Configure and maintain integrations via APIs and RPA to support end-to-end business process automation, including authentication and error-handling.

* Implement secure development practices and manage user access controls in line with IT security, data privacy, and governance policies.

* Assist in gathering, documenting, and validating business and technical requirements; maintain traceability from requirements through to delivered features.

* Support delivery of small-scale digital transformation projects and enhancement requests, coordinating with stakeholders for acceptance and rollout.

* Provide timely updates to stakeholders, validate requirements iteratively, and manage acceptance criteria for releases.

* Collaborate with cross-functional teams to drive innovation and align digital initiatives with strategic business goals.

* Participate in peer code reviews, solution design walkthroughs, and team knowledge-sharing sessions to promote best practices.

* Develop and maintain user manuals, SOPs, and deliver structured user training sessions for new or updated applications.

* Promote a culture of continuous improvement by regularly reviewing digital solutions and incorporating user feedback.

* Research and evaluate emerging technologies to identify innovative tools and practices that can enhance business processes.

* Lead proof-of-concept initiatives to test and validate new digital solutions before full-scale implementation.

* Collaborate with cross-functional teams to drive innovation and align digital initiatives with strategic business goals.

* Drive digital adoption through community engagement and foster a strong citizen developer culture.

* Monitor industry trends and best practices to ensure solutions remain modern, scalable, and competitive.

Minimum Education / Qualifications

Diploma/Degree in Information Technology or equivalent

Minimum Years of Relevant Experience

2 years’ experience in developing SharePoint and low-code applications and managing workflow tools

Knowledge / Skills

* Experience in Office 365 apps, Microsoft Power Platform, SPFx, RPA, and/or workflow tools (e.g., Nintex, Workato, etc.)

* Experience in software development and programming

* Experience in UI/UX design will be an advantage

* Experience in project management

* Knowledge of application lifecycle management

* Awareness of IT security principles and data privacy standards.

* Strong planning, analytical, and problem-solving skills

* Able to work and deliver under a tight timeline

* Excellent communication and written skills

* Adaptable and dynamic as things evolve

Attributes (Functional or Leadership Competencies)

* Proactive in seeking assistance, input, and feedback

* Customer-centric

* Team player with excellent interpersonal skills and able to multi-task

* Excellent communication and written skills

At SimplifyNext, we specialise in driving business transformation through Automation, AI, and New Gen Apps. We empower organisations by scaling automation, integrating cutting-edge AI solutions into business processes, and delivering next-generation applications. We support our clients in building internal capabilities through our Centre of Excellence, comprehensive training, enablement programmes, and Citizen Developer initiatives to ensure sustained success.

Our hands-on experience spans strategy formulation, seamless implementation, and operational excellence, providing invaluable insights across diverse environments.

We harness digital technologies including Automation (RPA), New Gen Apps Platforms, Process Mining, and AI capabilities such as Intelligent Document Processing, Text Analytics, Generative AI, and Conversational AI. We proudly partner with leading vendors such as Blue Prism, UiPath, Automation Anywhere, OutSystems, ServiceNow, Microsoft Power Platform, AWS, Druid AI, Hyperscience.

SimplifyNext is home to one of ASEAN’s most innovative automation practices and our RPA team plays a central role in our transformation programmes.

The Role – What You’ll Do

• Design and deliver enterprise-grade automation solutions using Blue Prism, ensuring scalability, performance, and maintainability.
• Lead the development of RPA processes including process design, workflow building, exception handling, SLAs, and orchestration.
• Work on end-to-end RPA delivery: from process identification, feasibility, design, build, test, deployment, to production support.
• Integrate Blue Prism solutions with various enterprise systems (CRM, ERP, internal APIs, web services, databases) and external services.
• Implement governance frameworks, version control/ALM practices, environment strategy, deployment automation and monitoring of bots.
• Collaborate in Agile squads, engage with business stakeholders, run demos, facilitate UAT, and continuously improve delivery.
• Mentor junior RPA developers, contribute to knowledge-sharing, best practices, and automation COE initiatives.
• Explore and incorporate intelligent automation elements (e.g., OCR/IDP, AI-based decisioning, conversational bots) alongside RPA to elevate automation impact.

What Makes this Role Exciting

• You’ll shape high-impact solutions – delivering automation at scale across public and private sectors that significantly reduce manual effort and transform operation models.
• You’ll push the boundaries of RPA by working beyond “bots that simply mimic clicks” into integrated intelligent automation, analytics, and orchestration across platforms.
• You’ll design with experience in mind – partnering with UX/design teams, business stakeholders and technical architects to ensure the automation is robust and user-centric.
• You’ll work in a fast-growth, high-visibility practice – you’ll gain exposure to senior leadership, client executive sponsors and opportunities to drive thought leadership in our automation community.
• You’ll accelerate your career – structured mentorship, opportunities to progress into Automation Architect / Practice Lead roles, cross-train into AI and other digital domains.

What We’re Looking For

• Minimum 4 years of professional experience, with at least 2-3 years focused on Blue Prism RPA development (or similar RPA platform) in enterprise environments.
• Strong hands-on experience with Blue Prism (process studio, control room, RPA architecture) and familiarity with building robust, scalable automation workflows.
• Integration experience with system APIs, web services, databases, ERP/CRM systems and handling exception/error management, logging, monitoring.
• Understanding of automation best practices, governance, ALM/DevOps for RPA, and environment strategy (dev/test/prod).
• Experience or exposure in using intelligent automation capabilities (e.g., OCR/IDP, document processing modules, decision intelligence) is a plus.
• Agile delivery experience – working in cross-functional squads, iterative delivery, engaging business stakeholders.
• Strong problem-solving skills, ability to translate business processes into automated workflows, excellent communication skills.
• Preferred: Blue Prism certification(s), knowledge of scripting or .NET (for advanced integrations) and familiarity with RPA COE frameworks.

Why Join Us

• Competitive salary + performance bonus
• Certification sponsorship (e.g., Blue Prism Developer/Professional)
• Work on automation and AI-driven RPA projects—not just repetitive bots
• Learn from senior architects and consulting leaders in our automation & AI practice
• Structured career path toward Lead Developer / Automation Architect / Practice Lead
• Cross-training in AI, automation, and next-gen digital platforms

At SimplifyNext, we help organisations simplify complexity through Automation, AI, and Next Generation Applications. We work with enterprises and fast-growing organisations across ASEAN and beyond to modernise systems, re engineer processes, and scale digital capabilities.

Our work spans consulting, delivery, and enablement — from defining transformation strategies, to building and deploying real world solutions, to helping clients establish Centres of Excellence and Citizen Developer programmes for long term success.

We partner closely with leading technology platforms including ServiceNow, UiPath, Microsoft Power Platform, OutSystems, AWS, and other cloud and automation ecosystems, and we are known for our hands on, outcome driven approach.

At SimplifyNext, you won’t just write code — you’ll learn how technology creates business impact.

Work you’ll do

As an Early Career Full Stack Software Developer, you will work alongside experienced engineers, architects, and consultants to design, build, and deliver modern digital applications. This role is ideal for fresh graduates or developers in the early stages of their career who want exposure to real client projects, modern tech stacks, and strong mentorship.

You will gain hands on experience across front end, back end, and cloud environments while developing a strong foundation in engineering best practices.

Your responsibilities will include, but not be limited to:

• Develop and enhance web and application features across front‑end and back‑end components

• Write clean, maintainable, and well‑tested code under guidance from senior team members

• Participate in Agile ceremonies such as sprint planning, stand‑ups, and retrospectives

• Collaborate with Business Analysts and Designers to understand requirements and user journeys

• Support testing, bug fixing, and deployment activities

• Learn and apply secure coding, performance, and quality best practices

• Document technical designs and development work clearly

What you’ll bring

• 0–3 years of experience in software development (fresh polytechnic graduates are welcome)

• Foundational knowledge of front‑end technologies (e.g. JavaScript, React, TypeScript, HTML, CSS)

• Exposure to back‑end development (e.g. Node.js, Java, Python, or similar)

• Basic understanding of REST APIs and databases (SQL or NoSQL)

• Familiarity with Git or other version control systems

• Interest in cloud platforms, automation, or low‑code technologies (training provided)

• Willingness to learn, ask questions, and take feedback positively

• Strong problem‑solving mindset and attention to detail

• Diploma in Computer Science, Information Technology, Engineering, or related fields

Why Join SimplifyNext

• Real project exposure from early in your career

• Structured learning, certifications, and mentoring

• Opportunity to work across Automation, AI, and App Development

• Clear growth paths into senior engineering or specialist roles

• Collaborative, supportive, and fast-growing environment

Company Overview

Cartrack, a subsidiary of Karooooo Ltd. (listed on NASDAQ as KARO), is a global leader in mobility solutions, specializing in real-time data analytics, fleet management, and vehicle tracking. With over 2.3 million active subscribers across more than 23 countries, Cartrack’s mission is to drive efficiency and connectivity for vehicle fleets worldwide, making transportation smarter and more sustainable.

As a pioneer in the telematics industry, Cartrack provides a comprehensive Software-as-a-Service (SaaS) platform that delivers critical insights to businesses, enabling them to optimize their operations, reduce costs, and enhance safety. The platform is trusted by small to large enterprises across various industries, including logistics, insurance, and automotive, for its reliability, scalability, and robust performance.

At Cartrack, we are not just offering a job; we are offering the opportunity to be part of a mission-driven company that is transforming the way fleets operate globally. Our commitment to innovation, customer satisfaction, and sustainability is reflected in our continuous growth and strong financial performance, as we expand our footprint in key regions like Southeast Asia, Europe, and Africa.

Join us at Cartrack and be part of a dynamic team that is shaping the future of connected mobility, ensuring that fleets around the world are more efficient, safe, and connected.

Profile

We are seeking an experienced PHP Developer who has worked on multiple large-scale projects. This individual should have a proven track record of being a strong individual contributor within a team environment and work independently to deliver high quality code at a fast pace. The candidate should excel in dynamic and demanding environments, adeptly managing various priorities, and balancing them with efficiency and focus. The ideal candidate will be outspoken, a strong communicator, and decisive, with the ability to articulate their ideas clearly to both technical and non-technical stakeholders.

Role

This role requires an individual who is technically sound and can work with minimal guidance to produce results. You will have to collaborate with colleagues from the product team, front-end developers, and the quality assurance team to understand an execute on requirements. The role will give you the ability to see the material impact of your work on thousands of clients around the world. If you are someone that thrives working in a fast-paced environment and likes being independent, then this is for you!

Must have

· Bachelor degree in Computer Science or equivalent industry experience

· PHP: Strong expertise in core PHP, capable of building robust and scalable applications.

· SQL: Proficient in writing and optimizing SQL queries. Capable of designing databases.

· Git: Expertise in using Git for version control. Understand branching, merging and collaborative workflows.

Nice to have

· Postgresql: Experience in optimizing queries and designing database for Postgresql

· Containerization: Experience in managing applications that are run using a containerization technology like Docker and orchestration technologies like Kubernetes

· Linux: Proficiency in Linux environment, including scripting and system management

· Continuous Integration: Familiar with CI/CD pipelines and associated tools like GitLab CI

• Javscript: Experience building front-end applications using any modern Javascript framework like React, Angular, etc.

Responsibilities:

• Building and maintaining comprehensive data analytics capabilities for the PathFin.ai Programme to generate actionable insights
• Developing analytics frameworks to track participant engagement, AI adoption trends, and Programme effectiveness metrics
• Creating interactive dashboards for Programme monitoring, stakeholder reporting, and strategic decision-making
• Identifying potential leads and opportunities for Programme expansion based on data analysis
• Generating automated reports on platform usage patterns, event attendance, and knowledge contribution rates
• Providing data-driven recommendations to support Programme growth, participant satisfaction, and operational efficiency

Requirements:

• 5 years of experience in data analytics or similar roles
• Experience with dashboards and reporting
• Build and manage data systems to track Programme performance
• Analyze data to find useful insights (e.g. user activity, trends)
• Create dashboards for reporting and decision-making
• Generate automated reports (usage, events, engagement)
• Identify growth opportunities using data

Skills needed:

• Data analysis (SQL, Excel, Python or similar)
• Dash board tools (Power BI, Tableau, etc.)

Responsibilities

• Build workflow and approval management system with automated routing, officer dashboards, notifications, and approval hierarchies with digital authentication
• Create reporting and analytics dashboards for application pipelines, evaluation metrics, approval rates, processing times, and custom report generation
• Integrate with market data providers (Pitch Book, Tracxn) to aggregate and analyse FinTech investment data and company profiles
• Build automated presentation generation tools for producing slides on FinTech ecosystem for stakeholder briefings and strategic planning
• Conduct user acceptance testing and provide technical documentation

Requirements:

• 4–7 years of experience in software development
• Experience building end-to-end systems (not just small features)
• Build systems, connect data, create dashboards, and make sure everything works smoothly.
• Connect to external data sources (like Pitchbook / Tracxn) to pull FinTech data
• Build tools that automatically generate presentation slides
• Test the system (UAT) and write documentation

Skills needed:

• Full stack development (frontend + backend)
• Experience building web applications and dashboards
• API integration (connecting to external systems/data sources)
• Data base and data handling skills
• Basic understanding of authentication/security
• Ability to test and document your work

Responsibilities

• Leading the technical development and operational support of the PathFin.ai digital platform
• Implementing new features including automated content curation, AI-enabled knowledge matching, and roadmap generation tools
• Developing and maintaining the three core modules: Content Management, Community Engagement System, and Reporting & Analytics
•  Building API integrations with market data providers for AI adoption intelligence and trend analysis
• Ensuring platform stability, security, and optimal performance for all Programme participants
• Maintaining technical documentation, conducting system testing, and providing ongoing Platform maintenance and support
• Developing automated presentation generation capabilities for stakeholder engagement and policy development

Requirements

• 5-8 years of experience leading projects or owning systems
• Lead the development of the platform (main system owner)
• Build new features (AI matching, content tools, roadmap tools)
• Manage core systems (content, community, reporting)
• Connect to external data sources (APIs for market data)
• Test the system and fix issues, maintain documentation and support the platform
• Build tools to auto-generate presentations

Skills needed:

• Strong Full stack development (frontend + backend)
• Experience designing systems / architecture, API integration skills, data and analytics systems
• Knowledge of cloud, security, and performance optimization
• Basic understanding of AI features
• Leadership or ownership experience

Overview

• Design, build, and maintain scalable, secure, and high-performance web applications across frontend, backend, and cloud environments.

Key Responsibilities

• Develop end-to-end applications (frontend, backend, cloud)
• Build responsive, accessible, and performant user interfaces
• Develop and maintain APIs and backend services
• Implement CI/CD pipelines and DevOps practices
• Ensure application security (auth, API, frontend best practices)
• Collaborate with QA to ensure automated testing and quality
• Troubleshoot and optimise system performance

Key Requirements

• Strong experience in full-stack development
• Familiarity with cloud platforms and DevOps practices
• Experience working in Agile environments
• Strong problem-solving and debugging skills

(Optional) GIS / Spatial Skills

• Experience building GIS-enabled applications and dashboards
• Knowledge of PostGIS, GeoServer, ArcGIS
• Ability to handle geospatial data pipelines and visualisation