Total 2,303 mobile application developer job vacancies

Responsibilities:

• Execute application development deliverables and activities
• Participate in various phases of the Software Development Life Cycle (SDLC) for IT Projects and to interface with various IT stakeholders such as 3rd party vendor suppliers, business analysts and project managers to perform development activities
• Documenting the application and database detail design.
• Conducting Peer code reviews
• Ability to code optimally to ensure the performance of the application is improved
• Ability to work with the team in need and contribute individually wherever required
• Ability to understand the requirements and remove any ambiguity by proactively going back to the analyst
• Adhere to, influence, and advocate internal software design & development standards, processes, and best practices such as but not limited to code re-use, scalability, portability, secure, documentation, etc.
• Work closely with the Application Development team members and Architects to development code that is aligned to approved design and specifications.
• Work closely with the Application Development team and QA teams to ensure any defects highlighted in QA or UAT phases are remediated.
• Adhere to SDLC, and Project Governance internal and regulatory

Requirements:

• 5 plus year’s development experience and can demonstrate strong understanding of fundamentals of requirements specification, design, coding, and testing of information systems
• Programming experience in Microservices
• 5 years’ hands on experience in web application development on .NET platform using .NET Core, EF core, Angular, ASP.NET MVC, ASP.NET Web API, WCF, Entity Framework, SQL Server.
• Possesses good skillset in logical deduction in issue isolation and root cause analysis using various toolset e.g., Microsoft Sys internals Suite, F12 developer tools.
• Good working knowledge of Docker, Kafka, Kubernetes and Azure will be advantage
• Proven & demonstrable hands-on experience in developing high-availability, multi-tiered and secure web applications
• Proficient in developing automated unit test scripts.
• Experienced in using version control systems, TFS and Git.
• Experienced in deploying components and applications on windows environment – client and server based

Technical /Professional Skills:

• .NET Core, Microservices, Angular, Docker and Unit Testing
• Docker, Kafka, Kubernetes and Azure will be advantage

Responsibilities:

• Manage the day-to-day technology requirements of our proprietary trading systems
• Accelerate trading and research analysis workflows by utilizing and expanding on the Firm’s in-house infrastructure and improve productivity
• Evaluate new technologies and identify/deprecate legacy code to improve on the current technological stack
• Collaborate with other engineers, traders, and researchers to design custom frameworks or end-user solutions
• Write performance sensitive code and user-friendly APIs to facilitate access to our in-house data analysis infrastructure
• Lead design discussions and conduct code reviews to maintain high standards and quality of written code

Requirements:

• Bachelor’s or Master’s degree in Computer Science or related Engineering discipline
• 5+ years of experience building demanding, live systems in Python
• In-depth knowledge of Python and keeps up with current standards (3.11 onwards)
• Up-to-date knowledge of the Python ecosystem: third party libraries, packaging in-built Python libraries
• Knowledge of a systems language such as C, C++, Rust, etc.
• Solid understanding of data structures
• Strong verbal and written communication skills
• Must care about the user-experience/UX component
• Knowledge of CI software, such as TeamCity or Jenkins
• Familiarity with Linux
• Ability to mentor others and lead small projects

Bonus points:

• Experience in the trading industry
• Familiarity with the scientific python stack
• Understanding of the latest in python package management

• Collaborate as project team member on Software design matters.
• Capture and evaluate customer, internal requirements and vehicle specific interface requirements.  Identify suitable concept in terms of functional, technological and effort.
• Adhere to Bosch Software Engineering Process as e.g.:
  •     Perform requirement reviews, design reviews and code reviews.
  •     Perform unit testing and release of the software according to SW release process.
•  Develop the SW design taking into consideration the dependencies to other module and integration into the overall system.
•  SW programming using both standard and proprietary software tools and libraries.
• Create SW test specifications and protocols, if necessary develop test SW. Executes test plans to ensure new software meets specifications, functionalities and performance requirements.
• Analyze failure log, clarify system problems and resolve design issues.
• Develop and produce technical reports, design analysis and documentation in support of designs.
• Assist Manufacturing in troubleshooting manufacturing related problems.
• Provide post production support.

Job Description & Requirements

We are searching for an experienced Web Developer who is comfortable programming on the Shopify platform to:

• Create for

- (a) bespoke development as well as
- (b) using current Shopify templates

• Convert specifications and mock-ups into fully functional solutions
• Modify and update current sites to incorporate new features and enhance UI/UX design
• Develop and test third-party Shopify applications
• Create and customise Shopify accounts

You should be well-versed in Payment Gateways, Inventory Management, Navigation, and Checkout Operations. As well as distinct perspectives, development experience, and an in-depth understanding of everything necessary to specialize in Shopify Projects.

You will be working alongside our Chief Technology Officer(CTO).

Responsibilities

• Create bespoke Shopify themes and change pre-existing templates per pre-defined brand guidelines
• Be an expert in all aspects of the ECommerce platform
• Work with the UX and UI Design Teams to create unique, strong, and inventive front-end user experiences
• Ensure a smooth connection with Marketing Tools, Platform APIs, and Shopify Apps to optimise the shop for overall efficiency and functionality
• Test and debug websites regularly to improve performance
• Based on their findings, they provide technical support and coordination, protecting enterprises against failure

Preferred Skillset / Experience

• A bachelor's degree in information technology, computer science, or a related discipline
• Broad shop construction, launch, and maintenance expertise, as well as a general understanding of the admin system
• Proven skills in HTML5, CSS3, and JavaScript, as well as a thorough grasp of the DOM
• Previous experience working with a custom theme and/or the Storefront API
• Working knowledge of Shopify's theming system and Liquid templating
• Previous experience implementing/debugging third-party Shopify apps, as well as building unique solutions if needed
• In-depth knowledge and expertise with vanilla JavaScript, jQuery, ES2015/ES6, and current JavaScript frameworks
• Working knowledge of Shopify's object/properties, AJAX API, and Meta fields
• Extensive testing and debugging abilities using the browser console and other tools
• Prior experience developing responsive layouts for desktop, tablet, and mobile devices
• Working knowledge of third-party services and APIs, as well as Shopify plugins
• Capability to communicate effectively and provide proactive feedback

Job Description & Requirements

Key Responsibilities

Software developers are responsible for the full software development life cycle, including designing, coding, testing, debugging, and deploying software applications for computers, mobile devices, or web platforms. Typical duties include:

Design and Development: Analyze user requirements, create technical designs, and build new software features or applications. Implement security and data protection measures.

Testing and Debugging: Conduct unit and integration tests, identify and fix bugs, and collaborate with QA teams to ensure software quality.

Maintenance and Updates: Modify software to fix errors, improve performance, or adapt to new hardware.

Documentation: Prepare technical documentation, user manuals, and reports on project specifications or status.

Collaboration: Work with cross-functional teams, including software engineers, product managers, designers, and clients, to ensure project requirements are met.

Consultation: Advise departments or clients on software system design, installation, and performance requirements.

Required Skills and Qualifications

Education: Bachelor’s degree in computer science, software engineering, information systems, or equivalent experience.

Technical Skills: Proficiency in programming languages, software development tools, and knowledge of the software development life cycle.

Soft Skills: Problem-solving, teamwork, communication, adaptability, and the ability to manage multiple projects simultaneously.

Industry Awareness: Staying updated with emerging technologies, programming languages, and best practices.

Essential Responsibilities:

·       Take end-to-end ownership of company's existing fiat/payment backend, ensuring stable operation and fast iteration during platform scaling.

·       Participate in backend service development, ensuring system security and high availability.

·       Communicate with stakeholders to understand requirements, support business development, and drive service launches.

·       Continuously optimize system architecture and tackle key technical challenges.

·       Understand product workflows and leverage technology to drive business growth.

Requirements

·       5–10 years of backend engineering experience in production systems; strong preference for candidates who have owned and evolved an existing platform (not only built new services).

·       Hands-on experience building or operating fiat payment systems such as on/off-ramps, bank transfers, card payments, ACH/wire/SEPA/FPS/PayNow, or local rails.

·       Familiar with payment lifecycle: authorization → capture/settlement →refunds/chargebacks → reconciliation.

·       Practical knowledge of risk controls & compliance touchpoints, e.g., KYC/AML hooks, fraud/rule engines, transaction limits, sanctions screening, audit trails.

·       Experience with ledgering / balance accounting and reconciliation pipelines (especially for high-volume flows).

·       Lead a structured technical handover from BB engineering, including architecture understanding, codebase absorption, and operational runbooks.

·       Understanding of common Java design patterns and the ability to apply them appropriately.

·       Proficiency with mainstream Java frameworks and tools, such as Spring Boot, Spring Cloud, Spring MVC, etc.

·       Familiarity with database principles and optimization strategies; strong SQL skills; understanding of caching, messaging queues, and related technologies.

·       Experience integrating with PSPs / banks (e.g., Stripe/Adyen/Checkout.com/local banks or processors) is a plus.

·       Understanding of PCI-adjacent security practices and sensitive data handling is a plus.

·       Strong sense of ownership for software products, with good communication skills and excellent teamwork.

All Successful candidates can expect a very competitive remuneration package and a comprehensive range of benefits.

Alternatively, you may wish to email your resume in a detailed Word format to debbie@peopleprofilers.com

We regret that onlyshortlisted candidates will be notified

People Profilers Pte Ltd, 20 Cecil Street, #08-09 PLUS Building, Singapore 049705

 Tel: 69509748

http://www.peopleprofilers.com

debbie@peopleprofilers.com

Consultant in charge: So Boon Shyen, Debbie

EA Licence Number: 02C4944

Registration Number: R1111376

Location: Central/North Region
Budget: Up to $8,000 (Salary to commensurate with experience)

Job Responsibilities

• Design, develop, and maintain backend applications using Java and related technologies
• Build RESTful APIs and microservices to support web and mobile applications
• Participate in system architecture, design discussions, and code reviews
• Optimize application performance, scalability, and reliability
• Integrate with databases, third-party systems, and messaging platforms
• Write clean, maintainable, and testable code following best practices
• Perform unit testing, integration testing, and support UAT/production releases
• Troubleshoot and resolve production issues
• Collaborate with frontend developers, DevOps engineers, QA, and business stakeholders
  

Qualification & Experience

• Bachelors' degree in Information Technology or equivalent.
• Min 3 years in Java based development with relevant architecture and design principles knowledge.
• Experience with messaging tools like IBM MQ / Kafka is a plus.
• Prior experience in financial or public sector industry is a plus.
• Experience building backend systems using object-oriented design principles.
• Experience with RESTful API development.

Responsibilities

• Design, develop, and deploy scalable applications in a .NET environment.
• Build and enhance APIs, backend services, and UI components using Angular.
• Develop and support microservices deployed on Kubernetes/container platforms.
• Collaborate with global teams to deliver technical solutions in Agile environments.
• Participate in sprint planning, stand-ups, and technical design discussions.
• Ensure application performance, scalability, and code quality standards.
• Support deployments, testing, and release activities across environments.

Required Skills & Experience

• Strong experience with .NET Framework, C#, and REST APIs.
• Hands-on experience with Angular or modern JavaScript frameworks.
• Experience with Kubernetes, Docker, or OpenShift environments.
• Good understanding of HTML/CSS, UI/UX principles, and microservices architecture.
• Experience with Entity Framework and SQL Server and/or Oracle Database.
• Exposure to release and testing tools such as XLR, ALM, or Quartz.
• Familiarity with Agile/Scrum delivery methodologies.
• Strong communication and stakeholder management skills.

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.

Role Overview

We are seeking an experienced Senior Java Developer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have strong expertise in Java, Spring Boot, microservices architecture, and experience working in mission-critical systems such as financial, government, or large-scale digital platforms.

The role involves technical leadership, solution design, hands-on development, and collaboration with cross-functional teams across development, QA, DevOps, and stakeholders.

Key Responsibilities

1. Application Development & Design

• Design, develop, and maintain robust, scalable, and secure Java-based applications.
• Build microservices using Spring Boot, Spring Cloud, and RESTful APIs.
• Develop reusable components and frameworks following best practices.
• Ensure high performance, availability, and responsiveness of applications.

2. Technical Leadership

• Provide technical guidance and mentorship to junior and mid-level developers.
• Review code and ensure adherence to coding standards, security practices, and design principles.
• Drive design discussions and propose optimal architecture solutions.

3. System Architecture & Integration

• Design and implement microservices architecture, event-driven systems, and API integrations.
• Integrate with external systems such as payment gateways, banking APIs, or government systems.
• Ensure secure data exchange and compliance with industry standards.

4. Performance & Optimization

• Analyze and optimize application performance, including memory management and concurrency.
• Handle large-scale transaction processing (batch and real-time).
• Identify bottlenecks and implement solutions for performance tuning.

5. Database & Backend Management

• Work with relational databases such as Oracle.

6. DevOps & Deployment

• Collaborate with DevOps teams for CI/CD pipeline implementation (e.g., Azure DevOps, Jenkins).
• Manage deployments across development, SIT, UAT, and production environments.
• Knowledge on Docker / Kubernetes will be added advantage.

7 . Security & Compliance

• Implement secure coding practices aligned with OWASP and enterprise security guidelines.
• Ensure compliance with PCI-DSS (for payment systems) or relevant regulatory standards.
• Manage authentication and authorization mechanisms (OAuth2, JWT).

9. Stakeholder & Team Collaboration

• Work closely with business analysts, product owners, and stakeholders to clarify requirements.
• Participate in Agile ceremonies (Scrum, sprint planning, retrospectives).
• Provide clear technical documentation and status updates.

Required Skills & Qualifications

Technical Skills

• Strong proficiency in Java (Java 8/11/17+)
• Hands-on experience with:
• Spring Framework (Spring Boot, Spring MVC, Spring Security)
• RESTful API development & microservices architecture
• Hibernate/JPA
• Strong knowledge of:
• Object-Oriented Programming (OOP)

DevOps & Tools

• Experience with:
• CI/CD tools (Azure DevOps, Jenkins)
• Version control (Git)
• Build tools (Maven, Gradle)
• Familiarity with:
• Docker & Kubernetes

Integration Experience

• Experience integrating with:
• Payment gateways (Stripe, PayNow, Apple Pay, etc.)
• Government or enterprise APIs
• External vendor systems

Preferred Qualifications

• Experience in financial systems, billing platforms, or payment processing systems
• Exposure to cloud platforms (Azure/AWS/GCP)
• Experience with event-driven architecture
• Familiarity with API security standards
• Certification in Java / Cloud / Architecture (optional but advantageous)

Soft Skills

• Strong analytical and problem-solving abilities
• Excellent communication and stakeholder management skills
• Ability to work in fast-paced, high-pressure environments
• Leadership and mentoring capabilities
• Detail-oriented with strong ownership mindset

Key Deliverables

• High-quality, scalable, and secure application modules
• Well-documented system design and architecture
• Successful delivery of features within project timelines
• Stable and optimized production deployments
• Continuous improvement in system performance and reliability

Nice-to-Have

• Experience in Oracle SOA / Integration platforms
• Experience working in government or regulated environments
• Exposure to Agile + DevSecOps practices

Requirements:

• Bachelor Degree in Computer Science/Information Technology or related fields.
• At least 5 years of experience in system development.
• Minimum 3 to 5 years of experience in Java and/or Kotlin.
• Strong problem-solving and troubleshooting skills.
• Able to design, implement solution, and perform code review independently.
• Able to provide production support independently.

Responsibilities
You will be responsible for supporting in-house Developer Portal, Dashboard Application & Backstage by working closely with the Engineering and Architecture team to codify architectural best practices to automate key development practices & with run team to troubleshoot & resolve issues including Production Deployment. This Includes microservices framework, API marketplace and low code environments.

• Work as part of a highly talented, cross-functional Central DevOps team to ensure that modern technologies and processes are understood and practiced.
• Stay current with industry trends and development of key DevOps, Runtime, and Operational innovation platforms.

Requirements

• At least 10 years of relevant experience in JAVA/J2EE Technologies.
• Strong experience of developing systems with SpringBoot, JPA, Hibernate and Microservices.
• Must have hands-on experience with javaScript, ReactJS, NodeJs ,HTML and CSS
• Strong experience in Groovy and shell scripting
• Must have database scripting knowledge in MS-SQL & postgreSQL
• Good understanding and hands on experience on scripting.
• Scripting includes Groovy, Ansible, Phyton, Shell, Cron
• MUST have automation thru server-side Unix/Linux shell scripting technical knowledge
• MUST have deep hands-on knowledge and experience in DevOps tool chain support and operability
• Has deep technical knowledge on debug, troubleshooting Jenkins groovy scripts, pipelines thru Jenkins, Bitbucket, SonarQube, etc
• Able to code, script, automate full DevOps automation capabilities to enhance and elevate automation from manual human tasks. Always able to find ways to automate, develop scripts, innovate new ideas to reduce human work and repetitive tasks.

Key Responsibilities

• Design, develop, test, and implement application systems based on user requirements and project timelines.
• Explore and propose innovative ways to modernize information systems by leveraging the latest technology stacks and AI-assisted development methodologies.
• Maintain and enhance existing in-house applications to ensure optimal performance and user experience.
• Collaborate with cross-functional IT teams for system deployment and integration.
• Ensure high standards of code quality, test coverage, and participate actively in code reviews.
• Troubleshoot, debug, and upgrade applications as needed.
• Independently manage IT projects from initiation to completion.
• Any other ad hoc duties as assigned.

Requirements:

• A University degree in Computer Science, Information Technology, Software Engineering or a related discipline preferred.  
• Minimum of 1 years of relevant experience in software development and IT project management.
• Sound understanding of student and examination-related business processes.
• Familiarity with the Software Development Life Cycle (SDLC) and Agile methodologies.
• Proficiency in Java, J2EE, programming.
• Experience in system integration via APIs and database layers.
• Experience with relational databases and ORM frameworks (e.g. Hibernate).
• Effective team player with a proactive attitude and the ability to meet tight deadlines.

Interested applicants, please Email , and look for

Jensen Fang Lifa

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R2197080

We regret that only shortlisted candidates will be contacted.

Role: Fullstack Developer (Java & React)

Description:

Backend Java  API

 Design develop and maintain RESTful APIs using Java eg Spring Boot  Spring MVC
 Implement business logic data access layers and integrations with internal and external services
 Ensure API performance scalability security and reliability
 Write clean maintainable and welltested backend code unit and integration tests
 Participate in API design reviews and contribute to technical architecture decisions

 Frontend React

 Develop and maintain responsive web applications using Reactjs
 Consume REST APIs and manage application state effectively
 Build reusable UI components and ensure consistent user experience
 Collaborate with UXUI designers to translate designs into functional interfaces
 Optimize frontend performance and browser compatibility

 General  CrossFunctional

 Work in an AgileScrum environment participating in sprint planning standups and retrospectives
 Collaborate with DevOps and QA teams to support CICD pipelines and testing processes
 Troubleshoot debug and resolve production issues
 Contribute to code reviews and promote best engineering practices
 Document APIs system design and technical solutions

Technical Skills

 Strong experience with Java Java 8 preferably Spring Boot
 Solid understanding of RESTful API design and HTTP concepts
 Handson experience with Reactjs JavaScript ES6 HTML5 and CSS3
 Experience with SQL andor NoSQL databases eg PostgreSQL MySQL MongoDB
 Familiarity with authentication  authorization JWT OAuth2 etc
 Experience using Git and collaborating via pull requests
 Understanding of microservices architecture preferred

 Other Skills

 Strong problemsolving and analytical skills
 Good communication and collaboration abilities
 Ability to work independently and in a team environment
 Attention to code quality testing and maintainability

Responsibilities:

• Perform hands-on technical implementation, with a focus on delivering functional solutions on the Salesforce.com platform.
• Take a lead role in the design, implementation, deployment and documentation of projects that leverage the Salesforce.com toolset.
• Serve as the subject matter expert for solution architecture that will include configuration, development, integration and customization of complex environments.
• Serve as technical lead for Salesforce projects.
• Develop strategies to solve complex technical challenges.
• Collaborate with our Digital Center of Excellence, CRM and Back-End Development teams to create cutting-edge experiences for our institutions.
• Strong understanding of Salesforce Declarative Programming and Administration (develop code, custom objects, LWC, Visual Force pages, Apex, reports, workflows and assignment rules).
• Design and develop solutions primarily on the Salesforce platform using Apex programming language, Visual Force, Lightning Web Components.
• Create and maintain lighting community templates, lightning web components and flows.
• Develop software solutions using Salesforce.com API framework, and 3rd party APIs.
• Perform unit testing and defect fixes.
• Liaise with internal clients and users to understand their business needs in developing solutions through Salesforce.
• Juggle multiple projects involving various end users, meet deadlines and proactively communicate status updates.
• Demonstrate calm under pressure and be a proactive contributor with an eagerness to learn.
• Adhoc analysis and projects as needed

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, MIS or related field is preferred.
•  3+years previous development experience with Salesforce (Certified Salesforce Developer preferred).
• Solid understanding of and detailed experience with Salesforce architecture and API.
• Detailed experience writing Visualforce and Apex classes and triggers.
• Demonstrative success with multiple Salesforce migration/integration projects.
• Strong business analysis and functional experience, including requirements gathering.
• Strong attention to detail and excellent problem-solving skills.
• Strong verbal/written communication and data presentation skills, including an ability to effectively communicate with both customers, leadership, and technical teams.

Interested applicants, please Email , and look for

Jensen Fang Lifa

Recruit Express Pte Ltd

EA License No. 99C4599

EA Personnel Registration Number: R2197080

We regret that only shortlisted candidates will be contacted.

We are looking for a PHP Software Developer (Laravel / CodeIgniter / AI Integration) with up-to-date knowledge to develop customized software/web applications and be able to work independently without frequent supervision. You will work on a variety of products, including ERP, school management system, learning management system, AI Agent, B2B & B2C e-commerce solution etc. together with our programmer and designer teams. In this role, you will also be expected to work on integrating AI and GenAI capabilities into existing and new systems.

Key responsibilities

• Develop feasible web application / system according to requirements, troubleshooting and debugging when requested.

• Design backend database structures for the web applications.

• Writing high-quality, clean, and concise codebase that is highly efficient, scalable, easily portable, and maintainable.

• Software design and optimization, the ability to provide technical advice & solutions to improve software quality, and research and development to bring system/software products to the next level.

• Document and maintain knowledge through code, code comments, diagrams, flowcharts, layouts, and other technical documentation in written form for the purpose of knowledge retention and transfer.

• Research, design and implement AI-powered features into existing PHP-based software platforms by integrating external AI services and APIs (e.g. OpenAI, Anthropic, Google Gemini) into web applications.

Requirements:

• At least a Diploma/Degree in Information Technology / Computer Science or relevant field.
• Required skills for PHP programmer: Laravel /Lumen/ CodeIgniter framework
• Proficiency in REST API, SOAP, JSON, etc.
• Knowledge of MySQL database to ensure strong optimization and functionality.
• Strong logic thinking, analytical skills and good problem-solving skill.
• Able to work as a team player to achieve the assigned task within the deadline.
• Matured personality and able to work independently as well as in a team with a can-do working attitude.
• Preferably 2 years of working experience in the related field
• Experience in AI, Microservices Architecture, System Security, AWS server gives an advantage.