What Jobs are available for Freelance Developer in Hong Kong?

AppTask is a leading international mobile enterprise solutions powerhouse established in 2010, proudly based in Hong Kong, with regional offices in Shanghai and Singapore. We help local and multinational corporations turn ideas into reality through cutting-edge mobile technology. We have currently launched over 500 mobile apps worldwide .

Besides the tailored solutions, we also carry our award-winning products such as TeamNote and EVENTION to create premium user experience, which bring us high recognition and affirmation throughout the industry.

TeamNote, in particular, the flagship product has been continuously recognized by the market with local and international awards, contests since it's launched, including APICTA, Asia Smartphone App Contest, Red Herring and ICT Awards. Also, TeamNote was featured on Wall Street Journal, TechCrunch, Tech in Asia, and 36Kr as one of the most promising startups in Asia. In 2015, TeamNote received huge support by renowned Silicon Valley's Y Combinator and officially launched globally in San Francisco.

We are looking for high-caliber talent to join us. For more information, please visit our website and our Facebook page

Responsibilities

• Develop, test and document backend system for mobile app / web system;
• Work closely with the team to develop enterprise solution;
• Develop business logic, systems and elegant User Interface;
• Brainstorm and idea contribution are preferred;
• Learn and share knowledge and experience with other team members.

Requirements:

• Degree / High Diploma in computer science or related engineering experience;
• At least 2 years' experience on web application development, fresh graduates are welcome;
• Experienced in dealing with data storage (e.g. MySQL / SQL Server / Redis);
• Good understanding of ASP.NET / PHP / Python / JQuery / HTML;
• Embrace open source technologies;
• Quick learner and like trying latest technologies;
• Attention to detail;
• Self-starter who enjoys teamwork and collaboration;
• Excellence interpersonal & communication skills;
• Most important requirement "Work with Heart & Passion".

We offer 5 days work, medical benefit, competitive salary, free snack & drinks, playground area.

Interested parties please submit your resume with expected salary by email to

Job Description
AppTask is a leading international mobile enterprise solutions powerhouse established in 2010, proudly based in Hong Kong, with regional offices in Shanghai and Singapore. We help local and multinational corporations turn ideas into reality through cutting-edge mobile technology. We have currently launched over 500 mobile apps worldwide .

Besides the tailored solutions, we also carry our award-winning products such as TeamNote and EVENTION to create premium user experience, which bring us high recognition and affirmation throughout the industry.

TeamNote, in particular, the flagship product has been continuously recognized by the market with local and international awards, contests since it's launched, including APICTA, Asia Smartphone App Contest, Red Herring and ICT Awards. Also, TeamNote was featured on Wall Street Journal, TechCrunch, Tech in Asia, and 36Kr as one of the most promising startups in Asia. In 2015, TeamNote received huge support by renowned Silicon Valley's Y Combinator and officially launched globally in San Francisco.

We are looking for high-caliber talent to join us. For more information, please visit our website () and our Facebook page () .

Responsibilities

• Develop, test and document backend system for mobile app / web system;
• Work closely with the team to develop enterprise solution;
• Develop business logic, systems and elegant User Interface;
• Brainstorm and idea contribution are preferred;
• Learn and share knowledge and experience with other team members.

Requirements

• Degree / High Diploma in computer science or related engineering experience;
• At least 2 years' experience on web application development, fresh graduates are welcome;
• Experienced in dealing with data storage (e.g. MySQL / SQL Server / Redis);
• Good understanding of ASP.NET / PHP / Python / JQuery / HTML;
• Embrace open source technologies;
• Quick learner and like trying latest technologies;
• Attention to detail;
• Self-starter who enjoys teamwork and collaboration;
• Excellence interpersonal & communication skills;
• Most important requirement "Work with Heart & Passion".

We offer 5 days work, medical benefit, competitive salary, free snack & drinks, playground area. Interested parties please submit your resume with expected salary via (Apply Now)

EVENTION, "Event" and "Innovation", is a mobile-based event solution to help event organizers breeze through every step of an event and elevate event organizing experience from preparation, execution to evaluation, as well as to create premium experience for guests.

With various off-the-shelf and user-friendly features, we are professional in helping organizers smooth event procedures in Show & Ceremony, Convention & Conference, Banquet & Reception, Internal Training & Workshop and Exhibition & Fair.

EVENTION is cooperating with quite a few local and multinational brands and has served over 1 million guests in more than 500 events.

We are looking for high-caliber talent to join us. For more information, please visit our website and our Facebook page

Responsibilities

• Develop, test and document backend system for mobile app / web system;
• Work closely with the team to develop enterprise solution;
• Develop business logic, systems and elegant User Interface;
• Brainstorm and idea contribution are preferred;
• Learn and share knowledge and experience with other team members.

Requirements:

• Degree / High Diploma in computer science or related engineering experience;
• At least 1 years' experience on web application development, fresh graduates are welcome;
• Have experience data storage (e.g. MySQL / SQL Server / Redis);
• Good understanding of PHP / Python / JQuery / HTML / Node;
• Embrace open source technologies;
• Quick learner and willing to try latest technologies;
• Self-starter who enjoys teamwork and collaboration;
• Excellence interpersonal & communication skills;
• Most important requirement "Work with Heart & Passion".

We offer 5 days work, medical benefit, competitive salary, free snack & drinks, playground area.

Interested parties please submit your resume with expected salary by email to

We are seeking talented Application Developers to design, develop, and maintain strategic business applications. This is an exciting opportunity to work on high-impact financial systems, collaborating with cross-functional teams to deliver robust, innovative solutions.

Responsibilities:

• Develop and maintain strategic business applications and existing systems.
• Participate in designing, coding, testing, debugging, documenting, and implementing computer programs.
• Produce clear and comprehensive technical documentation as needed.
• Analyze user requirements and define system specifications.
• Provide on-call support for emergency production incidents, including troubleshooting and resolution.
• Collaborate with teams to ensure high-quality, reliable software delivery.

Requirements:

• Bachelor's degree in Computer Science, Information Technology, or related fields.
• At least 3 years of experience in mission-critical system development, preferably in the financial sector.
• Strong expertise in mainframe technologies, including z/OS, COBOL, CICS, and VSAM.
• Experience with financial messaging protocols is a plus.
• Familiarity with Java, Spring, Hibernate, XML, JMS, HTML, JavaScript, jQuery, SQL, WebSphere.
• Excellent command of written and spoken English and Chinese.

• Solution Development: Analyze and create solutions for all application tiers: user interface, business logic, and backend services.
• Microservices Implementation: Develop REST API-based microservices and data storage structures.
• Cloud Integration: Create scalable software systems using cloud PaaS services from Microsoft Azure (e.g., Web API, Azure SQL) and AWS (e.g., AWS Lambda, Amazon RDS), as well as container orchestration platforms like Kubernetes (K8s), Azure AKS, or AWS EKS.
• Programming Expertise: Demonstrate extensive experience in .NET (Core) C#, Angular, JavaScript, and/or Python, focusing on AI development and coding.
• Development Environment Setup: Establish development environments by provisioning cloud resources and configuring necessary infrastructure; familiarity with Terraform is a plus.
• CI/CD Pipeline Management: Set up and manage CI/CD pipelines to automate the build, test, and deployment processes, ensuring seamless integration and delivery.
• Software Design: Leverage your strong background in software design and architecture to develop business applications.
• Test Automation: Utilize test automation practices and appreciate the importance of automated testing.
• Customization and Implementation: Customize and implement business applications to meet internal customer needs.

• Proficient in the .NET Core framework, GIT, C#, REST API, and data storage structures (e.g., SQL, NoSQL).
• Familiarity with DevOps practices and cloud PaaS services from AWS/Azure is a plus.
• Understanding of software principles and architectural patterns.
• Commitment to clean code development, ensuring code is maintainable and easy to understand.
• A proactive mentor who takes initiative to drive projects to successful completion.

Key Responsibilities:

To analyze and develop solutions for all tiers of the application: user interface, middle-tier business components,

backend services,

etc. Be a key contributor to innovation and build proof of concept examples that can be

leveraged

across current and future versions. Other responsibilities will include: 

• Implement REST-API based microservices and data storage structures

• Create scalable software systems using cloud PaaS services from Microsoft Azure (e.g., Web API, Azure SQL) and/or AWS (e.g., AWS Lambda, Amazon RDS), as well as container orchestration platforms

such as

Kubernetes (K8s), Azure AKS, and/or AWS EKS.

• Extensive experience in .NET (Core) C#, Angular, JavaScript, and/or Python, with a focus on AI development and coding.

• Set up development environments, including provisioning cloud resources and configuring necessary infrastructure

; experience

with Terraform

is

a

plus

• Establish and manage CI/CD pipelines to automate the build, test, and deployment processes, ensuring smooth integration and delivery.

• Strong background

in

s

oftware design and architecture

, with a focus on developing business applications

• Utilize test automation and understand the necessity of automated testing.

• Collaborate

closely with the Product owner in an agile manner to create valuable business apps for the company

• Implementation and customization of business applications

• Dedicated to meeting the expectations and requirements of internal customers.

• Problem Solving - Using systematic approach to uncover true problem(s) and applying practical solutions

Job Requirements

• Sound knowledge in .NET core framework, GIT, C#, REST API, data storage structures (e.g., SQL, NoSQL) for backend developers

• Knowledge in DevOps practices and the

AWS/

Azure cloud PaaS (PLATFORM AS A SERVICE) services is good to have.

• Knowledge of Software principles and architecture patterns.

• Practices in clean code development - leave the source code as you want to find it yourself

• The creation of automated tests is part of the "clean code development "

• Ability to troubleshoot technical issues.

• Good Analytical skills.

• Good Mentor and self-initiator to drive the job up to final delivery.

• Fluent English speech

Company description

Hear firsthand from SoftwareOne Greater China recruiters as they unveil our exciting business and growth plan, spill the beans on our hiring initiatives, and reveal why joining SoftwareOne is an innovator. Join us now and be part of our incredible journey.

Why SoftwareOne?

Hear firsthand from SoftwareOne Greater China recruiters as they unveil our exciting business and growth plan, spill the beans on our hiring initiatives, and reveal why joining SoftwareOne is an innovator. Join us now and be part of our incredible journey.

The role

Key Responsibilities:

To analyze and develop solutions for all tiers of the application: user interface, middle-tier business components, backend services, etc. Be a key contributor to innovation and build proof of concept examples that can be leveraged across current and future versions. Other responsibilities will include:

• Implement REST-API based microservices and data storage structures

• Create scalable software systems using cloud PaaS services from Microsoft Azure (e.g., Web API, Azure SQL) and/or AWS (e.g., AWS Lambda, Amazon RDS), as well as container orchestration platforms such as Kubernetes (K8s), Azure AKS, and/or AWS EKS.

• Extensive experience in .NET (Core) C#, Angular, JavaScript, and/or Python, with a focus on AI development and coding.

• Set up development environments, including provisioning cloud resources and configuring necessary infrastructure; experience with Terraform is a plus

• Establish and manage CI/CD pipelines to automate the build, test, and deployment processes, ensuring smooth integration and delivery.

• Strong background in software design and architecture, with a focus on developing business applications

• Utilize test automation and understand the necessity of automated testing.

• Collaborate closely with the Product owner in an agile manner to create valuable business apps for the company

• Implementation and customization of business applications

• Dedicated to meeting the expectations and requirements of internal customers.

• Problem Solving - Using systematic approach to uncover true problem(s) and applying practical solutions

What we need to see from you

• Sound knowledge in .NET core framework, GIT, C#, REST API, data storage structures (e.g., SQL, NoSQL) for backend developers

• Knowledge in DevOps practices and the AWS/Azure cloud PaaS (PLATFORM AS A SERVICE) services is good to have.

• Knowledge of Software principles and architecture patterns.

• Practices in clean code development - leave the source code as you want to find it yourself

• The creation of automated tests is part of the "clean code development "

• Ability to troubleshoot technical issues.

• Good Analytical skills.

• Good Mentor and self-initiator to drive the job up to final delivery.

• Fluent English speech

Job Function

Software & Cloud

Calling All Coding Superstars

We're on the hunt for someone truly special – someone with an open schedule, a can-do attitude, and an unstoppable passion for making things happen If you're tired of waiting for opportunities to knock and are ready to kick the door open yourself, this is the gig for you.

But hold up – this isn't your average job posting, and this isn't your average job. If you can't handle flexible hours, lack a genuine love for coding, have no sense of humor, still need your parents to wake you up in the morning, spend more time scrolling than solving, or think you're already the ultimate expert (spoiler: nobody ever is), this isn't the role for you.

What are we looking for? Coding champions with a detective's mind – someone who digs deep into problems, asks the right questions, and never stops until the mystery is solved. If you thrive on sorting out chaos efficiently and love the thrill of cracking the code, we want you on our team.

Highlights

• Flexible work schedule
• Remote working and a strong work-life balance
• A diverse range of creative projects

Here's what you'll be doing:

• 60% APIs and designing schemas and logics for business applications.
• 30% coding front-end websites, web apps, mobile apps and games.
• 10% handling web hosting, infrastructure, networking, and hardware tinkering.

Tech stacks you'll work with:

• Frontend: ReactJS, NextJS, RefineJS, React Native
• Backend: Laravel PHP, NestJS, RESTful API, GraphQL
• Database: MySQL, MSSQL, PostgreSQL, MongoDB
• AI: Ollama, N8N, LM Studio, MCP
• DevOps: AWS, Azure, Docker Containers, Kubernetes, CICD
• CMS: WordPress, Drupal, Strapi
• Tools: Plesk, SSH, Git, Cursor, Poe, Slack, Google Workspace

Requirements:

• Highly motivated and eager to learn with the ability to work autonomously.
• Strong communication skills.
• Proficient in SDLC, MVC, and OOP methodologies.
• Passionate about adhering to SOLID and DRY coding principles.
• Must be fluent in English and Chinese (Cantonese).

Education Level:

• Bachelor's Degree in Information Technology, Computer Science, or related fields.
• Fresh graduates are welcome to apply.

What to Expect:

• Exciting projects including web apps, native apps, games, and IoT.
• Collaboration with an energetic and creative team.
• Opportunities for research and knowledge sharing.
• Flexible hours and remote work options for a great work-life balance.
• Game Time Team-building activities and fun in our cozy studio.

How to Apply:

• State your current and expected salary.
• Indicate your earliest availability.
• Apply through this online platform with your CV.

Join us and become a coding hero

Job Types: Full-time, Part-time, Contract

Contract length: 12 months

Pay: $20, $30,000.00 per month

Benefits:

• Flexible schedule
• Opportunities for promotion
• Paid sick time
• Work from home

Application Question(s):

• Please state your latest salary.
• And also your expected salary.

Work Location: In person

My client, a top 5 global cryptocurrency exchange, is seeking a skilled
React Native Developer
to help build and maintain thier cutting-edge mobile platform. You'll collaborate with cross-functional teams to deliver secure, high-performance trading experiences for millions of international users.

Key Responsibilities:

• Develop and maintain React Native applications for iOS and Android.
• Collaborate with product, design, and backend teams to define and implement features.
• Optimize applications for maximum performance and scalability.
• Ensure code quality through testing, code reviews, and best practices.
• Troubleshoot and resolve issues, ensuring a smooth user experience.

Requirements:

• 3+ years of professional experience with React Native.
• Strong proficiency in JavaScript and/or TypeScript.
• Experience with state management (e.g., Redux, MobX).
• Solid understanding of RESTful APIs and asynchronous programming.
• Familiarity with native build tools (Xcode, Android Studio) and bridging native modules.
• Ability to write clean, maintainable, and well-documented code.
• Excellent problem-solving skills and attention to detail.

Nice to Have:

• Experience in the crypto/fintech industry.
• Knowledge of native mobile development (Java/Kotlin for Android, Swift/Objective-C for iOS).
• Familiarity with testing frameworks (Jest, Detox, etc.).
• Understanding of CI/CD pipelines for mobile apps.

What They Offer:

• Competitive salary and benefits package.
• Hybrid work model (flexible in-office & WFH).
• Collaborative and innovative work environment.

Ready to shape the future of crypto? Apply today with your resume