7,259 Senior Developer jobs in Singapore

Responsibilities

• Involve in delivery of end to end software development life cycle
• Drive the delivery of global components and solutions, design and integrate them in various stages of software development life cycle
• Collaborate across cross locations IT teams in delivering software components
• Develop and build APIs in NodeJS
• Investigate and resolve SIT and UAT defects

Requirements

• Degree in Computer Science, Software Engineering, or related field
• Knowledge of JavaScript/TypeScript, NodeJS, and RESTful APIs
• Basic understanding of databases (SQL/NoSQL) and Git version control
• Familiarity with SDLC and Agile methodology

Interested candidates may apply through the application system. We regret to inform only Shortlisted candidates will be notified.

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PERSOLKELLY Singapore Pte Ltd
• RCB No E
• EA License No. 01C4394 
• EA Registration No. R Derrick Tiew Yong Han)

This is in partnership with the Employment and Employability Institute Pte Ltd ("e2i").

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• Write quality and easily readable code and implement functional tests in CodeIgnite and Laravel environment
• Build and maintain high-performance backend systems using GoLang
• Identify optimisation areas by analyzing data, process and code, as well as solving issues, profile
• Understand business requirements to define and communicate flows and technical specifications
• Collaborate closely with Front-end developers to develop integrated microservices applications.
• Participate in continuous improvement, knowledge sharing and training to remain current on best practices, programming methodologies assisting peers.
• Document technical specifications for future reference and maintenance
• Take lead on projects, as needed.

• At least 4 - 8 years experience with PHP/Lavarel and NodeJs, or equivalent
• Knowledge of modern development principles and best practices (Object Oriented Programming, Design Patterns, SOLID Principles, unit testing, continuous integration and deployment)
• Proficient understanding in HTML/HTML5, CSS/CSS3, Javascript, ReactJS.
• Experience in designing database schemas, and working with Redis/Cassandra
• Bonus experience with microservices architecture
• Bonus experience developing SaaS platforms.

Team and Position Summary

The Technology Division at BCS is responsible for the operations, maintenance, and support of BCS applications such as FAST, Giro, CTS, PayNow, SGQR, TFR, CCP, eGIRO and its critical infrastructure, ensuring its operational stability, regulatory compliance, and service reliability.

The Application Delivery department is regarded as BCS' domain experts, overseeing the enhancement, maintenance, and advanced troubleshooting of applications, ensuring its functionality, security, and performance in alignment with set standards.

The Application developer will be responsible for leading software development projects, with a primary focus on designing, creating, enhancing, and maintaining new and existing applications according to the company's processes and policies. This role will provide an opportunity to the incumbent to collaborate with an experienced team in developing payment and utility systems while gaining a deep understanding of the supporting technologies and business processes.

Key Responsibilities

• Lead the design, development, and deployment of end-to-end solutions utilising Java, and AWS technologies
• Support L2 team on production incident investigation and provide resolutions and recovery.
• Troubleshoot and resolve complex technical issues, ensuring system stability and performance
• Collaborate closely with cross-functional teams to gather and refine business requirements, ensuring alignment with organisational goals.
• Design and implement scalable and secure backend solutions using Java programming language
• Architect, implement, and maintain robust integrations between Java application and AWS services for seamless data flow and automation
• Conduct code reviews, perform unit testing and ensure code quality and standards compliance throughout the development lifecycle
• Provide technical guidance and mentorship to junior developers, fostering a culture of continuous learning and growth
• Collaborate with DevOps teams to implement CI/CD pipelines and automate deployment processes
• Work with the business analysts, and support teams to document application specs pre/post system implementation
• Active in documenting and updating knowledgebases on new and existing systems.
• Be able to follow change management processes to ensure smooth application delivery to environments for new projects and existing systems
  Stay updated on emerging technologies and industry trends, and proactively recommend innovative solutions to address business challenges

Requirements

Education and Experience

• Bachelor's degree in computer science, Information Technology, or related field
• Minimum 5 years of experience in Java development, with at least 2 years of experience in working on Spring Framework, Microservices (RESTful APIs), and AWS products and services

Skills and Knowledge

• Strong proficiency in Java 17 or higher, and related frameworks (e.g. Spring Framework, Spring Boot, Spring Security, Spring Integration) for backend development.
• Strong knowledge in relational (SQL, MYSQL, ORACLE DB, MariaDB) & non-relational databases.
• Good knowledge on message queue based and API based systems.
• Must have knowledge of ISO standards.
• Must be familiar data serialization formats like XML, JSON, and YAML.
• Excellent problem-solving skills and the ability to translate business requirements into technical solutions.
• Experience in serverless or microservice based applications in Cloud Environment (AWS)
• Good understanding of cryptography techniques
• Strong collaboration skills, with the ability to work effectively with cross-functional teams.
• Good oral and written communication skills
• Team player and enjoys working in a fluid environment

Professional Certifications

• AWS Cloud Certifications (Solutions Architect Associate and/or Developer Associate)
• Knowledge in Solace, Gridgain, Istio, and Kotlin is an advantage
• Experience in ServiceNow development is an added advantage

Company's Profile

Our client, a security solutions provider has been established for more than 25 years, with a strong reputation in the industry. They specialize in delivering comprehensive turn-key security systems, from design and integration to maintenance and support and serve clients in government, trade and commercial sectors. They are now looking for an Application Developer to join their expanding team

Location: Tampines / Novena

Working hours: Monday to Friday, 8.30am to 6.00pm

Responsibilities:

• Perform the entire software development life cycle including application development, implementation, testing, maintenance and documentation.
  Design, develop and deliver working software applications to fulfil customer's operation objectives.- Responsible for the development, installation, configuration and customization of Enterprise products and/or software services and cloud platforms.
  Design and implement scalable web services, applications and APIs.
• Prepare functional, test cases and other project deliverable documents.
• Perform troubleshooting & debugging software defects.
• Write & test secured code to ensure responsiveness and efficiency.
• Gather and clarify user requirements.
• Perform DevOps on build and release automation.
• Familiarity with air gap environment
• Involved in Agile Methodology e.g. Scrum

Requirements:

• Min. Degree in Computing/ Computer Science/ Computer Engineering/ Info Systems / EEE or equivalent
• Min. 1-2 years in a software development role, seniors / experienced developers are welcome as well (pay package will commensurate accordingly)
• Proficient in programming languages / frameworks such as Java, JavaScript, SQL, MongoDB, MSSQL, Oracle, .NET/NET Core, Java Spring Boot
• Proficient in GitHub, GitLab, Azure DevOps
• Knowledge of one or more of the following will be an advantage: Linux, Shell Script, Message Queue; e.g. RabbitMQ, Apache Kafka, Big Data / Hadoop

Your recruiter for this job: WhatsApp Celine @ for a quicker response.

Connect with me on LinkedIn:

Celine Chan | R

Talentsis Pte Ltd | EA No: 20C0312

Job Brief

We are seeking a talented application developer with a strong focus on mobile development to join our company's technology team. As an application developer, you will play a key role in designing, developing, and maintaining our in-house websites, point of sales systems, kiosk and mobile applications. You will primarily collaborate closely with our frontend/backend developers, product managers, and other stakeholders to deliver high-quality software solutions tailored to the unique needs of our operations.

In this role, you are expected to:

Meet deadlines for assigned tasks while ensuring high-quality deliverables.

Maintain and enhance existing systems, including refactoring legacy code for improved efficiency and

maintainability.

Develop new features for both existing systems and new projects, adhering to best practices and coding standards.

Collaborate in requirement analysis sessions, providing accurate estimations for development efforts.

Integrate third-party APIs seamlessly into existing systems to enhance functionality and user experience.

Conduct thorough code reviews to uphold code cleanliness, consistency, and quality.

Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end testing, to ensure robustness and reliability of applications.

Engage with end-users to gather feedback and promptly address any issues or concerns, striving for continuous improvement.

Assist in deploying applications to Azure environment, ensuring smooth and efficient deployment processes.

Continuously optimize applications by incorporating new technologies and industry best practices.

Create detailed technical documentation to facilitate understanding and maintenance of applications.

Stay abreast of market trends and suggest innovative ideas to enhance the functionality and competitiveness of applications.

Qualifications:

Strong knowledge of TypeScript and component-based architecture

Practical experience with:

o   Tailwind CSS in React Native (NativeWind)

o   React Query for asynchronous data handling and state management

o   Understanding of platform-specific UI/UX behavior on Android and iOS

Familiarity with mobile development tools:

o   Xcode for iOS development

o   Android Studio for Android development

o   React Native Debugger, Flipper, or Chrome DevTools for debugging

Able to debug and troubleshoot layout, network, and runtime issues effectively.

Knowledge of frontend technologies including HTML, CSS, and JavaScript.

Experience designing and implementing RESTful APIs.

Experience with ReactJS for frontend development is a plus.

Experience with .NET Core and C# is a plus.

Familiarity with relational databases such as SQL Server.

Excellent problem-solving and analytical skills.

Strong communication and collaboration abilities.

Ability to work effectively in a fast-paced, agile environment.

Minimum Diploma in Information Technology, Computer Science or equivalent.

Nice to have:

Portfolio or live apps published on App Store or Google Play

Experience with CI/CD tools such as Fastlane, EAS Build

Understanding of DevOps practices and CI/CD pipelines.

Enthusiastic about upgrading skill sets to keep up with the latest technologies.

Experience with integrating payment systems or gateways.

Familiarity with Azure cloud platform.

INTERVIEW PROCESS

1st Round : (for shortlisted candidates): 45 mins online technical interview

2nd Round : (for technically selected candidates): 40-60 mins interview

Salary will commensurate with experience and skills.

Please visit this link and complete this online interview:

Apply here:

Team and Position Summary

The Technology Division at BCS is responsible for the operations, maintenance, and support of BCS applications such as FAST, Giro, CTS, PayNow, SGQR, TFR, CCP, eGIRO and its critical infrastructure, ensuring its operational stability, regulatory compliance, and service reliability.

The Application Delivery department is regarded as BCS' domain experts, overseeing the enhancement, maintenance, and advanced troubleshooting of applications, ensuring its functionality, security, and performance in alignment with set standards.

The Application developer will be responsible for leading software development projects, with a primary focus on designing, creating, enhancing, and maintaining new and existing applications according to the company's processes and policies. This role will provide an opportunity to the incumbent to collaborate with an experienced team in developing payment and utility systems while gaining a deep understanding of the supporting technologies and business processes.

Key Responsibilities

• Lead the design, development, and deployment of end-to-end solutions utilising Java, and AWS technologies
• Support L2 team on production incident investigation and provide resolutions and recovery.
• Troubleshoot and resolve complex technical issues, ensuring system stability and performance
• Collaborate closely with cross-functional teams to gather and refine business requirements, ensuring alignment with organisational goals.
• Design and implement scalable and secure backend solutions using Java programming language
• Architect, implement, and maintain robust integrations between Java application and AWS services for seamless data flow and automation
• Conduct code reviews, perform unit testing and ensure code quality and standards compliance throughout the development lifecycle
• Provide technical guidance and mentorship to junior developers, fostering a culture of continuous learning and growth
• Collaborate with DevOps teams to implement CI/CD pipelines and automate deployment processes
• Work with the business analysts, and support teams to document application specs pre/post system implementation
• Active in documenting and updating knowledgebases on new and existing systems.
• Be able to follow change management processes to ensure smooth application delivery to environments for new projects and existing systems
• Stay updated on emerging technologies and industry trends, and proactively recommend innovative solutions to address business challenges

Requirements

Education and Experience

• Bachelor's degree in computer science, Information Technology, or related field
• Minimum 5 years of experience in Java development, with at least 2 years of experience in working on Spring Framework, Microservices (RESTful APIs), and AWS products and services

Skills and Knowledge

• Strong proficiency in Java 17 or higher, and related frameworks (e.g. Spring Framework, Spring Boot, Spring Security, Spring Integration) for backend development.
• Strong knowledge in relational (SQL, MYSQL, ORACLE DB, MariaDB) & non-relational databases.
• Good knowledge on message queue based and API based systems.
• Must have knowledge of ISO standards.
• Must be familiar data serialization formats like XML, JSON, and YAML.
• Excellent problem-solving skills and the ability to translate business requirements into technical solutions.
• Experience in serverless or microservice based applications in Cloud Environment (AWS)
• Good understanding of cryptography techniques
• Strong collaboration skills, with the ability to work effectively with cross-functional teams.
• Good oral and written communication skills
• Team player and enjoys working in a fluid environment

Professional Certifications

• AWS Cloud Certifications (Solutions Architect Associate and/or Developer Associate)
• Knowledge in Solace, Gridgain, Istio, and Kotlin is an advantage
• Experience in ServiceNow development is an added advantage

We are looking for qualified Application Developers who can design and code web and mobile applications according to strict deadlines and within budget while ensuring the customer's satisfaction.

You will work as part of the team using Agile project methodology.

Roles & Responsibilities:

1. Understand requirement specifications and expectations of the project

2. Work closely with users and be actively involved in the user requirement gathering process

3. Analyze requirements and design system according to requirements

4. Manage and complete tasks to ensure client's requirements are met

5. Investigate and rectify application problems as reported by users

6. Respond to users' feedback and request promptly

7. Develop quality web-based applications using web and mobile technologies using Scrum techniques

8. Perform thorough and rigorous testing

9. Ensure a match between customer expectations and delivery

10. Pro-active in attending to client's needs, respond to customer's feedback and request promptly

11. Deliver projects on time with quality

12. Maintain and enhance existing applications

13. Write comprehensive test scripts and other technical documents

14. Provide technical support, troubleshooting and bug fixing of applications

15. Report regularly to Project Manager/ScrumMaster

16. Continuous learning and improvement

17. Ensure high level of customer satisfaction

Requirement:

1. Diploma or higher in computer science or relevant field

2. 3 years of experience as an Application Developer or similar role

3. 3 years of experience in designing and building web and mobile applications

4. Knowledge of programming language primary is Java and other secondary languages like C#, VB.Net, Angular, Python, React Native, ReactJs

5. Knowledge of database such as MS SQL, MySQL, MongoDB, PostgreSQL

6. Knowledge of Machine Learning is a bonus

7. Open for no-code or low-code development

8. Experience in Agile project methodology (Scrum)

9. Can conform to shifting priorities, demands and timelines

10. Ability to elicit business requirements from clients

11. Great understanding of software design and programming principles

12. Sense of ownership and pride in your performance and its impact on project's success

13. Critical thinker and problem-solving skills

14. Certified application developer is a plus

15. Must be service oriented, able to build rapport with customers and willing to go the extra mile

16. Resourceful, adept at conducting research into project-related issues and products

17. Strong time management skills and able to complete tasks on schedule

• Design, develop, and maintain software solutions by collaborating with business users and stakeholders.
• Lead project teams, manage timelines, and ensure the successful delivery of technical initiatives.
• Develop and implement automated testing frameworks and scripts using tools like Selenium, Postman, and SOAP UI .
• Perform root cause analysis for production incidents and implement permanent fixes and workarounds.
• Manage and support end-to-end application life cycles, from development and testing to production support.
• Drive the modernization of legacy applications, including migration from IBM Mainframes to open systems.
• Automate routine operational tasks and contribute to CI/CD pipelines using Jenkins, Docker, and Ansible .
• Collaborate with cross-functional teams to identify system improvements and streamline workflows.
• Ensure production stability by performing regular health checks and providing timely support.

• Experience: 10+ years in Quality Analysis, Application Development, and Production Support.
• Languages & Scripting: Strong proficiency in Java, Python , PL/SQL, Shell Scripting, and knowledge of COBOL and JCL .
• Testing & Automation: Hands-on experience with Selenium, JUnit, TestNG, Pytest, and Cucumber .
• Cloud & DevOps: Experience with AWS services (EC2, S3, EKS, Lambda) and modern DevOps tools like Docker, Kubernetes, and Jenkins .
• Databases: Expertise in multiple database systems, including Oracle, DB2, and MS SQL .
• Financial Services Domain: In-depth knowledge of Trade Finance (Letter of Credits, Guarantees) and Secured Funding and Collateral Management (Repos, Securities Lending).
• Trading Systems: Familiarity with ION Trading products and the FIX Protocol .
• Tools: Proficiency with Jira, Gitlab, Service Now , and schedulers like TWS, Autosys, and Control-M .
• Certifications: AWS Certified Developer/Cloud Practitioner or similar cloud certifications are highly preferred.