Total 328 Senior Executive mobile application developer job vacancies in Singapore

Responsibilities:

• Design, develop, and maintain backend services using Java (8/17/21) and Spring frameworks
• Build and enhance RESTful APIs for enterprise applications and system integrations
• Develop responsive and scalable frontend applications using Angular, TypeScript, HTML, CSS, and JavaScript
• Create reusable and efficient UI components using modern web technologies
• Implement data access layers using Hibernate/JPA and optimize database interactions
• Design and manage database structures and queries using Oracle and MSSQL
• Develop and maintain CI/CD pipelines for automated build and deployment processes
• Ensure code quality through unit testing, code reviews, and static analysis tools
• Perform end-to-end testing and validation using modern testing frameworks
• Monitor application performance and troubleshoot issues using tools like Splunk and AppDynamics
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Participate in Agile development processes and contribute to continuous improvement
• Maintain technical documentation and adhere to SDLC best practices

Requirements:

• 8+ years of experience in Java development and Spring ecosystem (Spring Boot, Spring Batch, Spring Security)
• Hands-on experience in REST API development
• Experience in ORM frameworks such as Hibernate or JPA
• Strong SQL skills with experience in Oracle and MSSQL databases
• Experience in frontend development using Angular, TypeScript, HTML, CSS, and JavaScript
• Experience in building modern UI components such as Web Components
• Hands-on experience in CI/CD tools such as Jenkins
• Strong experience in version control systems such as Git and Bitbucket
• Experience in code quality and testing tools such as SonarQube, JUnit, and Cypress
• Experience in monitoring tools such as Splunk and AppDynamics
• Experience in containerization technologies such as Docker
• Experience in tools like Jira and Confluence
• Strong understanding of Software Development Life Cycle (SDLC) and Agile methodologies
• Strong problem-solving skills and attention to detail
• Ability to work effectively in a collaborative team environment

Responsibilities:

• Design, develop, and maintain backend services using Java (8/17/21) and Spring frameworks
• Build and enhance RESTful APIs for enterprise applications and system integrations
• Develop responsive and scalable frontend applications using Angular, TypeScript, HTML, CSS, and JavaScript
• Create reusable and efficient UI components using modern web technologies
• Implement data access layers using Hibernate/JPA and optimize database interactions
• Design and manage database structures and queries using Oracle and MSSQL
• Develop and maintain CI/CD pipelines for automated build and deployment processes
• Ensure code quality through unit testing, code reviews, and static analysis tools
• Perform end-to-end testing and validation using modern testing frameworks
• Monitor application performance and troubleshoot issues using tools like Splunk and AppDynamics
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Participate in Agile development processes and contribute to continuous improvement
• Maintain technical documentation and adhere to SDLC best practices

Requirements:

• 8+ years of experience in Java development and Spring ecosystem (Spring Boot, Spring Batch, Spring Security)
• Hands-on experience in REST API development
• Experience in ORM frameworks such as Hibernate or JPA
• Strong SQL skills with experience in Oracle and MSSQL databases
• Experience in frontend development using Angular, TypeScript, HTML, CSS, and JavaScript
• Experience in building modern UI components such as Web Components
• Hands-on experience in CI/CD tools such as Jenkins
• Strong experience in version control systems such as Git and Bitbucket
• Experience in code quality and testing tools such as SonarQube, JUnit, and Cypress
• Experience in monitoring tools such as Splunk and AppDynamics
• Experience in containerization technologies such as Docker
• Experience in tools like Jira and Confluence
• Strong understanding of Software Development Life Cycle (SDLC) and Agile methodologies
• Strong problem-solving skills and attention to detail
• Ability to work effectively in a collaborative team environment

Role Overview

The SitecoreSenior Developer is a hands-on technical role responsible for building,customizing, and maintaining Sitecore-based digital experiences. This rolerequires deep platform expertise, strong coding skills, and the ability todeliver complex features while adhering to architectural guidelines and qualitystandards.

Key Responsibilities

•       Develop and customize Sitecorecomponents, templates, renderings, and workflows

•       Implement front-endfunctionality using HTML5, CSS3, JavaScript, and modern frameworks (React, Vue,or Next.js)

•       Build and consume RESTful APIsand integrate with third-party systems

•       Develop personalization rules,content testing, and analytics implementations

•       Write clean, maintainable, andwell-documented code following established standards

•       Conduct code reviews andprovide constructive feedback to team members

•       Troubleshoot and resolveproduction issues, performance bottlenecks, and bugs

•       Participate in sprint planning,estimation, and Agile ceremonies

•       Collaborate with QA to ensurethorough testing and defect resolution

•       Support deployment activitiesand maintain CI/CD pipelines

Requirements

•       Minimum 6 years of professionalsoftware development experience

•       At least 5 years of hands-onSitecore development experience (versions 9.x, 10.x preferred)

•       Strong proficiency in C#,ASP.NET MVC, and .NET Core

•       Solid understanding of Sitecorearchitecture including content tree, templates, layouts, and renderingpipelines

•       Experience with Sitecore SXA(Sitecore Experience Accelerator)

•       Proficiency in front-endtechnologies: HTML5, CSS3/SCSS, JavaScript/TypeScript

•       Experience with SQL Server andSolr/Azure Search

•       Familiarity with Git, AzureDevOps, and CI/CD practices

•       Sitecore DeveloperCertification required

•       Strong problem-solving skillsand attention to detail

Preferred

•       Experience with Sitecore JSSand headless implementations

•       Exposure to Sitecore XM Cloud

•       Experience with marketingautomation integrations (SFMC, Marketo)

Azure cloud development experience

Technology Skills

• At least 10 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

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

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

Requirements:

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

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

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

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

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

We are seeking an experienced & trained Senior Microsoft Dynamics CRM Consultant/ Developer with 7–10 years of hands-on experience in implementing, customizing, and supporting Microsoft Dynamics 365 (CE/CRM). The ideal candidate should have strong functional and/or technical expertise, excellent problem‑solving abilities, and the capability to work with cross‑functional teams to deliver high‑quality CRM solutions aligned with business needs.

Key Responsibilities

1. Solution Design & Implementation

• Lead or participate in end-to-end implementation of Microsoft Dynamics 365 CE / CRM.
• Gather and analyze business requirements and translate them into effective CRM solutions.
• Configure CRM modules such as Sales, Customer Service, Marketing, Field Service, and custom entities.
• Design business process flows, workflows, and automation.

2. Customization & Development

• Develop customizations using Power Apps, Power Automate, JavaScript, Plugins, Workflows, C#, .NET, and CRM SDK.
• Customize forms, views, dashboards, and reports.
• Integrate Dynamics CRM with external systems using APIs or middleware tools.

3. Testing & Deployment

• Conduct unit testing, system integration testing, and user acceptance testing (UAT).
• Prepare deployment packages and support release cycles.
• Ensure best practices and quality standards are followed.

4. Support & Maintenance

• Provide Level 2/3 support and troubleshoot CRM issues.
• Optimize system performance, data quality, and CRM security roles.
• Document solutions, configurations, and technical specifications.

5. Stakeholder Collaboration

• Work with business users, project managers, architects, and partners.
• Coordinate other third parties (e.g Microsoft, infra team, DBA team, …) for incident investigation and rectification technically.
• Provide expert advice on CRM capabilities and roadmap planning.
• Provide technical report and support to project manager and team when necessary.

Required Skills & Qualifications

Technical / Functional Expertise

• 7–10 years' experience in Microsoft Dynamics CRM / Dynamics 365 CE.
• Deep understanding of CRM modules (Sales, CS, Marketing, or Field Service).
• Hands-on experience with Power Platform (Power Apps, Power Automate).
• Experience with Azure services, Data Migration tools, and CRM integrations.
• Knowledge of Dataverse and model-driven apps.

Technical Skills

Proficiency in:

• C#, .NET, JavaScript
• Plugins, Custom Workflows
• Web APIs, REST/JSON
• SSRS or Power BI for reporting

Soft Skills

• Strong communication and client‑facing skills.
• Ability to lead workshops and requirement‑gathering sessions.
• Strong analytical and problem-solving mindset.
• Team player with ability to work in agile environments.
• Working experience in government agencies is preferred.

Why Join Us

• Work on impactful regional projects using modern and emerging technologies.
• Be part of a collaborative, people-first culture that values your contributions.
• Enjoy opportunities for career growth and the chance to shape CRM solutions at scale.
• Thrive in a supportive environment focused on continuous learning and technical excellence.
• Benefit from employee-focused initiatives, including birthday recognition, team bonding activities, and company trips.

We are looking for an experienced Senior Application Support Engineer with strong expertise in integration support. The ideal candidate should have hands-on experience in application support or development in Python, SQL, Unix, Java, AWS, and Git.

• Handle P1, P2, and P3 incidents, perform troubleshooting, debugging, and log analysis to meet SLA targets.
• Lead and participate in bridge calls during critical incidents, coordinating with internal teams and external vendors.
• Perform Root Cause Analysis (RCA) and implement preventive measures to reduce recurring issues.
• Manage user accounts, ensuring proper access control and security compliance.
• Support deployments in Production and UAT environments.
• Evaluate and test APIs using tools like Postman and Rest Client for seamless integrations.
• Work with SQL queries for data validation, campaign tracking, and issue resolution.
• Administer Linux systems, troubleshoot OS-level issues, and automate tasks using shell scripting.
• Collaborate with cross-functional teams and vendors
• Maintain comprehensive documentation of application support procedures, incident resolutions, and system configurations.
• Basic knowledge of CI/CD tools (e.g., Jenkins, GitLab CI/CD) is a plus
• Strong analytical thinking and problem-solving mindset

Summary:

We are looking for a Senior Java Developer to manage the software development lifecycle, from planning to release. You will lead the development of high-performance, scalable Java applications, mentor junior developers, and collaborate with cross-functional teams to deliver secure, high-quality solutions.

Key Responsibilities:

• Design, develop, and maintain high-performance, scalable Java applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code following best practices.
• Participate in code reviews to ensure quality and share knowledge.
• Troubleshoot and debug complex issues in a timely manner.
• Provide technical leadership and mentorship to junior developers.
• Contribute to the continuous improvement of development processes and tools.
• Stay updated with industry trends and technologies.
• Work closely with product managers, designers, and stakeholders to deliver high-quality solutions.

Qualifications:

Education & Experience:

• Bachelor’s/Master’s degree in Computer Science, IT, or a related field.
• Proven experience as a Senior Java Developer or similar role.
• Experience with Selenium Cucumber Automation is a plus.
• Private Banking domain knowledge is advantageous.

Technical Skills:

• Strong proficiency in Java, Spring Boot, and microservices.
• Experience with containerization (Docker) and orchestration (Kubernetes).
• Proficiency in SQL and relational databases (MySQL, PostgreSQL).
• Familiarity with version control (Git) and CI/CD pipelines.
• Experience with software development principles, design patterns, and best practices.

Soft Skills:

• Strong problem-solving, communication, and collaboration skills.
• Ability to work independently and prioritise tasks in a fast-paced environment.
• Dynamic, proactive, and a sense of initiative.
• Excellent listening, analysis, and presentation skills.

About the Role

We are looking for a Senior Java Developer to join a leading Banking-as-a-Service platform. You will manage the full software development life cycle, from planning and prioritizing to testing and release, while providing technical leadership to junior developers.

Key Responsibilities

• Design, develop, and maintain high-performance, scalable Java applications
• Collaborate with cross-functional teams to define, design, and ship new features
• Write clean, maintainable, and efficient code following best practices and industry standards
• Participate in code reviews to ensure code quality and share knowledge with team members
• Troubleshoot and debug complex issues in a timely and efficient manner
• Provide technical leadership and mentorship to junior developers
• Contribute to the continuous improvement of development processes, tools, and methodologies
• Work closely with product managers, designers, and stakeholders to understand requirements and deliver high-quality solutions

Requirements

• Minimum 8 years of experience in Java software development
• Strong proficiency in Java and object-oriented programming
• Experience with Spring Boot and/or Spring Framework
• Familiarity with RESTful APIs and microservices architecture
• Experience with relational databases (MySQL, PostgreSQL or equivalent)
• Knowledge of version control systems (Git)
• Experience working in Agile/Scrum environments
• Strong troubleshooting and problem-solving skills
• Good communication and collaboration skills

Nice to Have

• Experience in banking, financial services or fintech environments
• Knowledge of CI/CD tools (Jenkins, GitLab CI/CD or equivalent)
• Familiarity with cloud platforms (AWS, Azure or equivalent)
• Experience with containerisation technologies (Docker, Kubernetes)

Roles & Responsibilities

• Responsible for the design, development and testing of WeChat user security processes
• Responsible for the design, development, and testing of WeChat's internal tools and platforms
• Participate in requirements review, solution formulation, and solution review to meet project requirements
• Keep abreast of best coding practices, writing high quality code and be able to deliver & test system functions
• Responsible for identifying and debugging system issues, and continuously improve existing services to enhance system performance and stability
• Responsible for creating and maintaining technical documentation
• A team player with strong communications skills to collaborate with relevant teams on projects

Preferred Qualifications

• 8+ years of work experience in software development. Background in safety, risk control, and audits preferred
• Expertise with full-stack web development on a Node.js framework (Vue.js preferred) with mainstream databases (MySQL/MariaDB, Postgres), caching technology (Redis) and common middleware such as Kafka and MQ
• Development experience in compiled language, backend development using C/C++
• Familiar with commonly used system tools in the Linux environment including troubleshooting problems related to CPU, memory, and network I/O
• Solid programming foundation, follows best practices, and has a sense of responsibility, and passion in computing and state-of-the-art technologies
• Strong logical and critical thinking skills, good communication skills, and ability to understand and convey requirements accurately

Fluency in both English and Mandarin required to collaborate with stakeholders based in HQ and globally

(i) Have Three (3) years of experience in each of the programming skills:

- JSP,

- Servlet,

- Java Bean,

- Java Script,

- Session management

- JDBC, SQL

(ii) Have Five (5) years of experience in coding programs using each of the skills:

- MVC modeling;

- Java Server Faces

- EJB (session, entity & message, Service Locator, Business Delegate, Data Transfer Object, Data Access Object),

(iii) Preferably have hands-on experience in the following:

- IBM RAD9.0 or above or Eclipse or equivalent

- Portal and Portlet development using JSF

- Jtpl (page template)

- n-Tier Architecture

- Java Web Security/LDAP

- JEE Security

- JEE Transaction

- XML

- Web Services (WSDL)

- JNDI

- Ajax

- JSON

- UML diagrams

- Secure coding to prevent application vulnerabilities (for eg.

Cross-site scripting; Injection vulnerability flaws such as SQL

injection, command injection; Race conditions; Improper error /

exception handling, etc)

Job Description:

The Programmers shall be required to:

i. Code, modify, test, correct, and document new and existing programs using assigned languages, tools, and coding conventions;

ii. Prepare and document test data;

iii. Prepare and set up testing and production environment;

iv. Prepare and maintain program and system documentation;

v. Assist in establishing file structures and processing logic requirements;

vi. Produce deliverables according to group standards and procedures;

vii. Assist Project Leaders in the study and design of application systems and work coordination, project management, and user training work;

viii. Troubleshooting and supporting end-users in the implementation and maintenance of application systems;

ix. Train other contract programmers in the relevant skills;

x. Participate in Disaster Recovery activities eg. simulation exercises at

Disaster Recovery sites;

xi. Learn/pick up new programming skills related to System

Development and Maintenance as assigned by the supervisors;

xii. Any other tasks related to System Development and Maintenance as assigned by the manager.

Responsibilities

• Design, develop, and enhance trading capabilities on the Calypso platform for Fixed Income &Derivatives.
• Deliver high-quality, scalable, and maintainable Java-based solutions aligned with global design standards.
• Provide L3 production support, troubleshoot incidents, and contribute to the “Follow the Sun” support model.
• Collaborate with global teams to implement new features and support ongoing platform enhancements.
• Participate in system design, architecture discussions, and capacity planning activities.
• Integrate Calypso within-house and external systems across the FICC ecosystem.
• Contribute to global project initiatives and ensure alignment with long-term technology strategy.
• Gather and translate APAC business requirements into technical solutions.

Required Skills & Experience

• Bachelor’s degree in computer science, Engineering, or related field.
• 7+ years of strong Java development experience (Java 8+).
• Hands-on experience inbuilding distributed systems, multithreading, and JVM tuning.
• Solid experience with SQL and Oracle databases.
• Proficiency in Linux (RedHat or similar environments).
• Experience with messaging systems (e.g., MQ).
• Strong problem-solving skills with experience in production support environments.
• Familiarity with CI/CD tools such as Jenkins.

Ikas International (Asia) Pte Ltd

“Sanderson-iKas” is the brand name for iKas International (Asia) Pte Ltd

EA Licence No: 16S8086 | EA Registration No. R1988468

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

 Job Requirements:

• Degree in Information Technology or equivalent.
• Must have minimum 7-10 years of experience in Full Stack Development
• Must have experience in development using React.JS,NodeJS, TypeScript and Vue.JS
• Must have hands-on experience in AWS Cloud Services (Lambda,API Gateway, S3, DynamoDB, SQS/SNS, CloudFront, Secrets Manager) in serverless environment and microservices based architecture
• Experience in async programming, API’s and web application architecture
• Experience in GITHUB workflows including pull request, branching strategy, code reviews and CI/CD pipelines
• Good to have relevant certifications
• Excellent written and verbal communication skills

Job Requirements:

• Degree in Information Technology or equivalent.
• Must have minimum 7-10 years of experience in Full Stack Development
• Must have experience in development using React.JS,NodeJS, TypeScript and Vue.JS
• Must have hands-on experience in AWS Cloud Services (Lambda,API Gateway, S3, DynamoDB, SQS/SNS, CloudFront, Secrets Manager) in serverless environment and microservices based architecture
• Experience in async programming, API’s and web application architecture
• Experience in GITHUB workflows including pull request, branching strategy, code reviews and CI/CD pipelines
• Good to have relevant certifications
• Excellent written and verbal communication skills

Senior Java/Python/Node.js Full Stack Developer (+Javascript/Typescript)

*Thoughtworks Singapore will be shortlisting applicants who have a current right to work in Singapore i.e. Singapore Citizens and Singapore Permanent Residents only due to the nature of the business.

Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard.

For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements.

Job responsibilities

• You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns
• You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible
• You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
• You will create large-scale distributed systems out of microservices
• You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way.
• You will apply the latest technology thinking from our Technology Radar to solve client problems
• You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development
• You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills

Job qualifications

Technical Skills

• You have 6+ years of professional experience as a Full Stack Developer
• You are well-versed in both backend language (Java/Python/Node.js) and frontend language (Javascript/Typescript) and are comfortable with the latest Object-Oriented technology
• You have hands-on experience with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis) databases
• You can skillfully write high-quality, well-tested code and are comfortable with Object-Oriented programming
• You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban
• You have a good awareness of TDD, continuous integration, continuous delivery approaches, and version control systems like Git
• Bonus points if you have knowledge of cloud and infrastructure/Devops technology such as AWS/GCP/Azure, Docker, Kubernetes or Terraform

Professional Skills

• You enjoy influencing others and always advocate for technical excellence while being open to change when needed
• Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives

Other things to know

Learning & Development

There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.

Onsite Work Expectation

You may be expected to work out of our Thoughtworks office or at our client's office location for all five working days of the week, depending on business or clients’ needs.