2,625 App Developer jobs in Singapore

Job Summary

We're looking for a highly self-sufficient App Developer to independently design, build, and launch a mobile application for our internal appointments tracking system. You'll have full autonomy over the technical stack and implementation, transforming our business needs into a complete, intuitive, and functional app for both iOS and Android. This is a key role with a significant impact on our operations.

• Highly self-sufficient App Developer needed for an internal appointments tracking system.
• Full autonomy over design, build, and launch for iOS & Android.
• Key role with significant operational impact.

Responsibilities

• Define requirements, then design, architect, and develop the complete mobile app (iOS & Android), including backend and database.
• Select and implement the full technology stack, ensuring clean, efficient code.
• Manage app through testing, optimization, ongoing maintenance, and documentation.

Requirements

• Proven experience in iOS and Android app development (native or cross-platform) and strong proficiency in relevant languages/frameworks.
• Ability to design APIs, set up and manage database/server-side infrastructure, and understand the full mobile development lifecycle.
• Exceptional problem-solving, independent execution skills, strong communication, and a portfolio of end-to-end projects.

What We Offer

• Dynamic environment where your vision is crucial.
• Opportunity to build an impactful project from scratch with high autonomy.
• Competitive compensation, benefits, and professional growth.

Submit your resume, cover letter, and portfolio link here and tell us why you're a great fit for this independent role.

We look forward to hearing from you

Job Summary

We're looking for a highly self-sufficient App Developer to independently design, build, and launch a mobile application for our internal appointments tracking system. You'll have full autonomy over the technical stack and implementation, transforming our business needs into a complete, intuitive, and functional app for both iOS and Android. This is a key role with a significant impact on our operations.

• Highly self-sufficient App Developer needed for an internal appointments tracking system.
• Full autonomy over design, build, and launch for iOS & Android.
• Key role with significant operational impact.

Responsibilities

• Define requirements, then design, architect, and develop the complete mobile app (iOS & Android), including backend and database.
• Select and implement the full technology stack, ensuring clean, efficient code.
• Manage app through testing, optimization, ongoing maintenance, and documentation.

Requirements

• Proven experience in iOS and Android app development (native or cross-platform) and strong proficiency in relevant languages/frameworks.
• Ability to design APIs, set up and manage database/server-side infrastructure, and understand the full mobile development lifecycle.
• Exceptional problem-solving, independent execution skills, strong communication, and a portfolio of end-to-end projects.

What We Offer

• Dynamic environment where your vision is crucial.
• Opportunity to build an impactful project from scratch with high autonomy.
• Competitive compensation, benefits, and professional growth.

Submit your resume, cover letter, and portfolio link here and tell us why you're a great fit for this independent role.

We look forward to hearing from you

Job Type: Contract

Pay: $3, $4,500.00 per month

Benefits:

• Flexible schedule

Work Location: Hybrid remote in Singapore

A music production company is seeking an iOS mobile app developer to build a unique creative tool called the Dragonsong Oracle. This application is designed as a songwriting divination tool, combining game-like mechanics with generative text and audio features. The app will allow users to draw digital 'Dragon' cards that represent key creative elements, generating complete song frameworks and poetic descriptions to inspire original music. The role requires proficiency in Swift/SwiftUI and full-stack development, with the potential for follow-up projects.

Responsibilities

• Develop and deploy the Dragonsong Oracle app for iOS platforms using Swift/SwiftUI
• Implement drag-and-draw mechanics for card-based interaction
• Integrate AI-generated text outputs to deliver song seed concepts and poetic descriptions
• Add functionality for saving, exporting, and sharing generated content
• Build optional audio layers aligned with chosen tonalities
• Explore integration with Discord for community features and engagement
• Design a scalable architecture to support future monetization and competition-based incentives
• Collaborate on creative user experience design to align with the project's narrative and storytelling goals

Skills and Requirements

• Strong experience in iOS development with Swift/SwiftUI
• Knowledge of full-stack development for mobile apps
• Ability to integrate AI-generated content and third-party APIs
• Experience in building interactive and visually engaging mobile app interfaces
• Familiarity with audio integration in iOS applications
• Understanding of user experience design for creative tools and gamified interactions
• Strong problem-solving skills and ability to work independently on a remote project
• Availability to begin development immediately, with flexibility for follow-up collaboration

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

Company
Company: Total Shape
Location
Location: Remote (Work from Home)
Salary
Salary: $5,500/month
Job Description
We’re seeking a talented and self-motivated App Developer to design, develop, and maintain a high-performing mobile application that enhances our user experience and supports our wellness community.
Responsibilities
Design and build advanced applications for iOS and Android
Collaborate with the content and design teams to translate ideas into functional apps
Ensure the performance, quality, and responsiveness of the application
Identify and fix bugs, improve performance, and release timely updates
Stay up to date with emerging mobile technologies and trends
Requirements
Proven experience in mobile app development (React Native, Flutter, or native iOS/Android)
Solid understanding of UI/UX principles
Experience with API integrations and third-party libraries
Strong problem-solving skills and attention to detail
Experience in fitness or wellness-related apps is a plus
Perks
Competitive salary: $5,500/month
Fully remote work environment
Flexible schedule
Join a mission-driven team focused on health and personal growth
#J-18808-Ljbffr

Responsibilities:

• Design, develop, and maintain location-based iOS applications using Swift and Objective-C.
• Migrate and refactor existing Objective-C codebases into Swift while ensuring stability and performance.
• Ensure stakeholders' requirements are fully understood and translated into effective location-based solutions.
• Build and optimize map-driven user experiences with Mapbox Mobile SDK and Apple's Core Location framework.
• Integrate applications with RESTful APIs and geospatial data services.
• Ensure the performance, accuracy, and responsiveness of map interactions and location services.
• Write clean, maintainable, and testable code following best practices.
• Conduct unit and UI testing, debug issues, and optimize app performance for real-world usage.
• Stay updated with location technologies, mapping SDKs, and geospatial frameworks.
• Collaborate with product managers, designers, and backend teams to deliver high-quality, user-centric features.
• Participate in code reviews and contribute to continuous process improvements.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience).
• Proven experience in iOS development with published apps on the App Store.
• Strong proficiency in both Swift and Objective-C (mandatry).
• Hands-on experience with Mapbox Mobile SDK (good to have).
• Solid knowledge of UIKit, SwiftUI, Core Data, Core Animation, Core Location, and other iOS frameworks.
• Strong experience with geospatial data handling, map integration, and the design of custom map layers and visualizations for location-based applications.
• Strong understanding of REST APIs, JSON, and networking.
• Familiarity with Xcode, Git, and CI/CD tools.
• Knowledge of architectural patterns such as MVC, MVVM, VIPER.
• Experience with unit testing, UI testing, and automated testing frameworks.
• Knowledge of the App Store deployment process and Apple's Human Interface Guidelines.
• A proactive team player with excellent problem-solving, communication, and collaboration skills, capable of working independently with minimal supervision.

Nice to Have (Optional)

• Experience with SwiftUI and Combine for modern UI development.
• Experience with push notifications or location-based alerts.
• Knowledge of MapKit or Core ML for location intelligence.
• Exposure to Agile/Scrum development environment.

If you are keen, please email your updated resume to 

EA License no. 14C7275/Registration no. R

Please take note that only shortlisted candidate will be contacted. Thank you.

MHA - Internal Security Department (ISD)

Permanent

What the role is

ISD confronts and addresses threats to Singapore's internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists. A fulfilling and rewarding career awaits those who want to join in ISD's critical mission of keeping Singapore safe, secure and sovereign for all Singaporeans.

What you will be working on

As a Mobile App Developer, you will be primarily involved in:

• Conceptualising, designing and building
- Android apps using Java/ Katlin and Native C programming
- iOS apps using Swift programming

• Performing unit test to ensure usability, robustness, edge cases and general reliability

• Collaborating with fellow developers using software version control system

What we are looking for

• Knowledge of Android Studio, Java, Android SDK, Android architecture
• Knowledge of XCode, Swift, iOS SDK, iOS architecture
• Knowledge of both Android and iOS programming
• Knowledge of software version control tool (e.g. GIT, SVN)
• Experience with RESTful programming with JSON and XML
• Knowledge of setting up web server using LAMP (Linux, Apache, MySQL, PHP) platform
  
  • Only Singaporeans need
  We wish to inform that only shortlisted candidates will be notified.

About MHA - Internal Security Department (ISD)

The Internal Security Department (ISD) confronts and addresses threats to Singapore's internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists.
At the heart of our work are the collection of intelligence that enables us to size up the threats to Singapore's internal security, and taking the executive actions necessary to overcome those threats. Every day, we collect and analyse intelligence, make impartial assessments, and take decisive action to counter the threats to Singapore's internal security and stability, and sovereignty.

About your application process

If you do not hear from us within 4 weeks of the job ad closing date, we seek your understanding that it is likely that we are not moving forward with your application for this role. We thank you for your interest and would like to assure you that this does not affect your other job applications with the Public Service. We encourage you to explore and for other roles within MHA - Internal Security Department (ISD) or the wider Public Service.

• Develop and maintain cross-platform mobile applications using Uniapp , ensuring excellent performance across iOS, Android, and Web.
• Customize and optimize UI components with Ant Design , Element UI , and other front-end frameworks.
• Build and enhance mobile H5 pages , ensuring responsiveness and smooth interaction across devices.
• Work with Vue and React to create modular, maintainable, and scalable applications.
• Apply front-end engineering best practices using Webpack , Yarn , and related build tools.
• Implement efficient interactions between Uniapp and native modules.
• Configure and integrate in-app purchases (IAP) , including back-end setup and validation workflows.
• Handle UI rebranding (shell app) updates for different markets or versions.
• Utilize AI-assisted tools (e.g., Cursor ) to enhance productivity and code quality.
• (Preferred) Experience with Flutter for cross-platform development.

• Strong hands-on experience in Uniapp development and multi-end optimization.
• Solid understanding of front-end frameworks (Vue / React) and component libraries.
• Proficiency in mobile web (H5) development and adaptation techniques.
• Familiarity with front-end engineering tools such as Webpack and Yarn.
• Knowledge of in-app purchase integration and native module communication .
• Experience using AI-powered development tools is a plus.
• Bonus: Exposure to Flutter or similar cross-platform frameworks.

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design.

Responsibilities:

· Design and implement scalable and high-performance web applications using React.js, ensuring a seamless user experience.

· Work closely with UI/UX designers to create intuitive, user-friendly interfaces that meet business requirements and user needs.

· Develop reusable and modular UI components following industry best practices in React.js.

· Implement state management using Redux or Context API and optimize state flows within complex applications.

· Build reusable code and libraries for future use

· Accurately translate user and business needs into functional frontend code

· Integrate with backend systems and RESTful APIs, ensuring efficient data flow and communication between front-end and back-end.

· Write clean, maintainable code and ensure quality by conducting code reviews, unit testing, and adhering to coding standards.

· Optimize applications for maximum speed and scalability, focusing on loading times, responsiveness, and smooth transitions.

· Develop and deploy applications in Linux environments, ensuring compatibility and optimization of code for Linux-based systems.

· Provide mentorship and guidance to junior developers, conducting regular code reviews and helping in skill development.

· Collaborate with backend developers, product managers, and designers to deliver high-quality products on time.

· Stay updated on the latest industry trends and technologies to ensure the application remains at the forefront of innovation.

Qualifications:

· 5+ years of software engineering experience primarily leveraging ReactJS.

· Strong engineering and technical background with demonstrable enterprise development experience using ReactJS and RESTful APIs.

· Deep understanding of JavaScript/Typescript, HTML5 and CSS.

· Experience using Redux, Web Workers and PWAs.

· Experience with continuous integration and build (CI/CD) process & tools.

· Proven ability to quickly understand functional requirements and technical concepts.

· Experience with TDD and familiarity with testing frameworks, ideally Cypress, Selenium and PACT.

· Exposure to mobile development via React Native an advantage.

· GitHub portfolio an advantage.

• Develop and maintain cross-platform mobile applications using Uniapp, ensuring excellent performance across iOS, Android, and Web.
• Customize and optimize UI components with Ant Design, Element UI, and other front-end frameworks.
• Build and enhance mobile H5 pages, ensuring responsiveness and smooth interaction across devices.
• Work with Vue and React to create modular, maintainable, and scalable applications.
• Apply front-end engineering best practices using Webpack, Yarn, and related build tools.
• Implement efficient interactions between Uniapp and native modules.
• Configure and integrate in-app purchases (IAP), including back-end setup and validation workflows.
• Handle UI rebranding (shell app) updates for different markets or versions.
• Utilize AI-assisted tools (e.g., Cursor) to enhance productivity and code quality.
• (Preferred) Experience with Flutter for cross-platform development.

• Strong hands-on experience in Uniapp development and multi-end optimization.
• Solid understanding of front-end frameworks (Vue / React) and component libraries.
• Proficiency in mobile web (H5) development and adaptation techniques.
• Familiarity with front-end engineering tools such as Webpack and Yarn.
• Knowledge of in-app purchase integration and native module communication.
• Experience using AI-powered development tools is a plus.
• Bonus: Exposure to Flutter or similar cross-platform frameworks.