Hire the Top 2% of
Freelance Web Developers
in Vietnam

Hieu H.

Web developer in Vietnam (UTC+7)

With a strong expertise in PHP, JavaScript, and ReactJS, I am a highly skilled developer with a passion for teaching programming. With 10 years of experience in the field of development, I have gained extensive knowledge and practical understanding of these technologies. I thoroughly enjoy sharing my knowledge and guiding others in their programming journey. I believe that teaching is not only a way to impart knowledge but also a means to continuously enhance my own skills. I strive to create impactful and engaging learning experiences for my students. With a solid foundation in web development and a focus on PHP, JavaScript, and ReactJS, I am dedicated to delivering high-quality solutions that meet the needs of modern digital environments.

Hoang K.

Web developer in Vietnam (UTC+7)

My name is Kiếm Hoàng, I am a freelance web developer, with over 10 years of experience in programming. I always seek opportunities to enhance my knowledge and skills and have worked for both companies and individuals in Vietnam and internationally. I am proud of my enthusiasm and dedication to my work. I believe that quality is the most important factor in any project, and I always strive to complete projects with the best quality. In addition, I am friendly and approachable, so I always seek good cooperation and communication with clients and colleagues. I hope to have the opportunity to introduce myself and my work to you, and I am confident that I will be a productive and helpful colleague in the future.

Hai S.

Web developer in Vietnam (UTC+7)

Hai Son is a web developer who has broad experience in full-stack development using various web frameworks and cloud services (AWS, Firebase, etc.) as well as modern javascript frameworks such as React, Next(Gatsby), and Node. Hai Son's current focus is working on the frontend with modern JavaScript frameworks. Hai Son enjoys discussing and learning new techniques, as well as sharing ideas. Building state-of-the-art, easy-to-use, user-friendly websites and applications is his passion.

USoft V.

Web developer in Vietnam (UTC+7)

USOFTs team of technicians possess advanced expertise in developing large scale and intricate business web and mobile applications. The customized mobile and web apps we create for each business offer the same level of interactivity and usability as native apps, making them functionally robust.

Sang L.

Web developer in Vietnam (UTC+7)

Having more than 9 experience years • Good background knowledge about Design pattern, Data structures and Algorithms... • Good for logical thinking and problem-solving. Experience in defining issues and solving them. • Ability to self-learn and adapt to new technologies quickly. • Experience with source version control (Git, SVN…) • Experience in writing OOP code and develop apps using MV\*, CQRS, Onion, Clean, DDD architecture, SOLID, KISS, DRY principle. • Experience working with remote data via REST APIs and JSON as well as integrating with third-party libraries and APIs. • Experience in Both Mobile (Android, iOS, React Native) and Web (ReactJs for Frontend, PHP and [ASP.net](http://asp.net/) for backend) development. • Be able to work as a Leader: coding review, solution decision, project solution, teamwork, … • Experience on caching, lazy loading, background threads, networking, push notifications. • Performance analysis and tuning experience including memory usage, CPU utilization, memory leak. • Familiar with Unit Tests, UI Automation Test framework.

Hữu Đ.

Web developer in Vietnam (UTC+7)

* Designed and implemented MuleSoft to help Insurance company (Back end) integrate to Insurance company (Front End), Agencies, and Third Parties, used Maven to build code, add custom dependency and dependency, used Jenkin to auto build Mule package, used Mule stand alone to deploy Mule package, defined mule-app to centralize configuration: host WS, host Third party API, Folder Path, used Secure Configuration Properties to protect files with some sensitive data in file configure like password database, password IBM MQ, use Scheduler Endpoint (Trigger) to auto-recovery integration issue. * Applied Mule between Insurance company (Front End) and Insurance company (Back end) Real time, designed REST API to support FE called WS to create policy/receipt, implemented API that used API kit router, API validations using RAML, used Transformer to transform and map JSON to SOAP request and transformed SOAP response to JSON to return to Front End, used Module database to store JSON request and response, Used Async to put flow call WS and replied to FE with the response within 5s first, used Scatter-Gather to process parallelly to prepare the response to call FE’s API, used flow and sub-flow to categorize Mule flow to maintain easily code, used Choose to control flow to call appropriate service for one API called many services based on JSON data, used Mule Exception to inform FE of issues like: Database issue, WS issue, designed API (XML) for Back end to send data to FE’s API * Handled Real Time transactions between Agency F and Insurance company (Back end) via MuleSoft: used IBM Connection to connect and get data from IBM MQ and return response data to IBM if Agency F send String message through IBM MQ, String encrypted datafrom Agency, Wrote custom java code to handle data keyed to Mule, used Transformer to transform String message to SOAP request and transform SOAP response to String message to return to Front End, used Module database to store String request and response, used flow and sub flow to category Mule flow to maintain code, used choose to control flow to call appropriate service if one flow calls many services based on String data, used Mule Exception to inform the issue like: Database issue, WS issue. * Established connection via MuleSoft between Agency M/ Third Party to allow Customer to register Claim and Insurance company (Back end) with text files by using File Connection to connect and get file from folder, wrote custom Java code to extract data from file to variables, used Transformer to transform variables to SOAP request and transform SOAP response to file if WS of backend is SOAP, used PGP Cryptography to decrypt data if data from Agency is encrypted. * Integrated between Third Party tracking blacked list Client, third Party tracking history to promote discount, third Party control Vehicle Number, third Party tracking blacked list Client and Insurance company (Back end) real time, designed API (XML) for Back end to send data to these systems and return response to back-end, used Module database to store String requests and responses

Nguyễn T.

Web developer in Vietnam (UTC+7)

Managing the whole project in my previous company helped me improve my skills. A consistent, hard-working, highly motivated person. I feel it is crucial to demonstrate the importance of my job duties and expectations, looking to improve my position day by day and expand my knowledge and skills. And also looking to establish long-term employment in a friendly environment. "No pain no gain".

Hai L.

Web developer in Vietnam (UTC+7)

Software engineer with over 8+ years of experience in software development including web, mobile, and AI technologies. Led the development of the decentralized healthcare system on blockchain that allows anyone could contribute to the development of precision medicine. Offering experience, passion, and commitment to excellence.

Phùng H.

Web developer in Vietnam (UTC+7)

I’m a developer with experience in building mobile app for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I’m experienced in React Native, Blockchain, Typescript... I’ll fully project manage your brief from start to finish Regular communication is really important to me, so let’s keep in touch!

An C.

Web developer in Vietnam (UTC+7)

A highly motivated and detail-oriented **web** and **mobile developer** with **three years of experience** in the IT industry, specializing in **React Native** and **ReactJS** frameworks, as well as backend technologies like **Spring Boot** with **Kotlin** and **NodeJS**. Passionate about **competitive programming**, and **data analytics**, with skills in **Google BigQuery**, seeking an opportunity to contribute to innovative projects while further developing technical skills.