783 Java Application jobs in Vietnam

Our client is seeking a talented and enthusiastic Remote Decentralized Application (dApp) Developer to build and deploy innovative solutions on the blockchain. This fully remote role is perfect for a developer passionate about Web3, smart contracts, and decentralized technologies. You will be responsible for the end-to-end development lifecycle of dApps, from conceptualization and design to implementation, testing, and deployment. The ideal candidate has a strong understanding of blockchain protocols, experience with smart contract languages, and a proven ability to develop user-friendly decentralized interfaces. Collaboration with product managers, designers, and other developers in a remote setting is key to success. If you're excited about contributing to the decentralized future and working from anywhere, this is the opportunity for you.

Responsibilities:

• Develop, test, and deploy smart contracts on various blockchain networks (e.g., Ethereum, Binance Smart Chain, Polygon).
• Build and maintain decentralized applications (dApps) with user-friendly interfaces.
• Integrate smart contracts with front-end applications using web3 libraries (e.g., ethers.js, web3.js).
• Collaborate with UI/UX designers to create intuitive and engaging user experiences for dApps.
• Write clean, efficient, secure, and well-documented code.
• Participate in code reviews and contribute to improving development processes.
• Troubleshoot and debug issues related to smart contracts and dApp functionality.
• Stay up-to-date with the latest developments in blockchain technology, DeFi, NFTs, and related ecosystems.
• Research and implement new blockchain technologies and protocols.
• Work closely with product managers to define project requirements and roadmaps.
• Ensure the security and performance of deployed dApps and smart contracts.
• Contribute to the creation of technical documentation and knowledge-sharing within the team.
• Engage with the blockchain community and contribute to open-source projects where applicable.

Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related field; or equivalent practical experience.
• Proven experience developing smart contracts using languages like Solidity.
• Proficiency in front-end development frameworks (e.g., React, Vue, Angular) and integrating with blockchain technologies.
• Familiarity with web3 libraries (ethers.js, web3.js) and blockchain interaction tools.
• Understanding of blockchain principles, consensus mechanisms, and token standards (ERC-20, ERC-721).
• Experience with IPFS, decentralized storage solutions, and oracles is a plus.
• Strong knowledge of version control systems (e.g., Git).
• Excellent problem-solving and debugging skills.
• Strong communication and collaboration skills, essential for a remote team environment.
• Ability to work independently, manage time effectively, and meet deadlines in a remote setting.
• Passion for decentralized technologies and the Web3 ecosystem.

This is a fantastic opportunity for a dedicated dApp developer to contribute remotely to groundbreaking projects in the blockchain space.

We are looking for a skilled Decentralized Application Developer (dApp Developer) to join our innovative team. In this role, you will be instrumental in designing, developing, and deploying cutting-edge dApps on various blockchain platforms. You will work on smart contract development, front-end integration, and ensuring the scalability and security of our decentralized solutions. Our ideal candidate possesses a deep understanding of blockchain technology, smart contract languages (such as Solidity), and experience with popular blockchain frameworks (e.g., Ethereum, Binance Smart Chain, Polygon). You should be comfortable working in a dynamic, fast-paced environment and have a passion for pushing the boundaries of decentralized technologies. Responsibilities include writing robust and efficient smart contracts, building user-friendly interfaces for dApps, integrating with blockchain networks, and conducting thorough testing to ensure functionality and security. You will also be responsible for troubleshooting and debugging existing dApps, optimizing performance, and staying abreast of the latest developments in the blockchain space. Collaboration with cross-functional teams, including designers, product managers, and other developers, will be crucial. This position offers a unique opportunity to contribute to transformative projects in the crypto and blockchain industry.

Responsibilities:

• Design, develop, and deploy smart contracts on various blockchain networks.
• Build and maintain front-end interfaces for decentralized applications.
• Integrate dApps with blockchain protocols and APIs.
• Write secure, efficient, and well-documented smart contract code.
• Conduct thorough testing and debugging of smart contracts and dApps.
• Collaborate with designers and product managers to translate requirements into technical specifications.
• Optimize dApp performance and user experience.
• Stay up-to-date with the latest blockchain technologies and trends.
• Contribute to code reviews and knowledge sharing within the team.
• Ensure the security and integrity of decentralized applications.

Qualifications:

• Proven experience as a dApp Developer or Blockchain Developer.
• Strong proficiency in Solidity and other smart contract languages.
• Experience with blockchain development frameworks (e.g., Hardhat, Truffle).
• Familiarity with front-end development (e.g., React, Vue.js) and web3 libraries (e.g., web3.js, ethers.js).
• Understanding of blockchain consensus mechanisms and token standards (ERC-20, ERC-721).
• Experience with IPFS and other decentralized storage solutions.
• Excellent problem-solving and analytical skills.
• Ability to work collaboratively in a team environment.
• Strong communication skills.

**Mobile Application Developer (React Native/Android/iOS)**:
Vigo Retail
- Ứng Tuyển

React Native Android iOS
- Đăng nhập để xem mức lương
- 42 Ngô Quang Huy, Phường Thảo Điền, Thu Duc City, Ho Chi Minh- Xem bản đồ- Tại văn phòng- 3 giờ trước

**Mô Tả Công Việc**:
**Responsibilities**
- Using React Native, design and develop user interface components for mobile apps.
- Make use of additional JavaScript libraries such as Redux to make asynchronous API calls as well as improve the performance of the websites/mobile apps.
- Work with Redux architecture to improve performance of the websites/mobile apps
- Leverage native APIs for deep integrations with both platforms.
- Troubleshoot issues and improve front-end performance
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Strong knowledge of software development approaches, principles, and flows.
- Work as a part of a small team that includes other react native developers, designers, QA, and managers.

**Yêu Cầu Công Việc**:

- Having at least 3+ years of mobile development experience
- Familiarity with JavaScript language also React Native framework
- Experience working with REST APIs, document request models, offline storage, and third-party libraries
- A complete understanding of the full mobile app development lifecycle right from prototyping
- Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
- Familiarity with Firebase Cloud Messaging and Apple Push Notification service
- Ability to write well-documented, clean Javascript code
- Knowledge of type checking, unit testing, typescript, prop types, and code debugging
- Experience with source-code management systems like Git
- Knowledge of user interface design and responsive designs

**Web Application Developer (Angular/ HTML/ CSS)**:
Cybinium
- Ứng Tuyển

Angular HTML5 CSS
- Đăng nhập để xem mức lương
- 322 Nguyen Tat Thanh, District 4, Ho Chi Minh- Xem bản đồ- Tại văn phòng- 22 giờ trước

**Mô Tả Công Việc**:

- Plan, design, and execute end-to-end web architecture.
- Collaborate with cross-functional teams to deliver high-quality products.
- Build scalable, responsive, and well-documented stacks.
- Use a holistic, test-oriented approach to troubleshoot, debug and upgrade software.
- ESPECIALLY, working remotely, and working from home.

**Yêu Cầu Công Việc**:
**Abilities you must have**:

- Angular
- HTML, CSS
- English communication and Jira method.

**It’s a plus**:

- Java Springboot
- UI experience
- Linux server
- GIT
- Docker,Kong

**Characteristics you have**:

- Tech affectionate
- Challenge driven
- Creative
- Team player
- Self-learner
- Handle deadlines and is stress resistant

**Tại Sao Bạn Sẽ Yêu Thích Làm Việc Tại Đây**:

- Training course
- Laptop

• Deliver across the complete Android or iOS  development life cycle - concept, design, build, test, and release to apps stores and support.
li>Gather requirements around functionality and translate those requirements into functional solutions.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Provide technical support whenever necessary.

• Deliver across the complete Android or iOS  development life cycle - concept, design, build, test, and release to apps stores and support.
li>Gather requirements around functionality and translate those requirements into functional solutions.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Provide technical support whenever necessary.

Our client, a forward-thinking blockchain technology company, is seeking a skilled Decentralized Application (dApp) Developer to contribute to innovative projects. This **hybrid** role allows for a mix of remote work and on-site collaboration in **Thanh Hoa, Thanh Hoa, VN**. You will be at the forefront of developing secure, scalable, and user-friendly dApps on various blockchain platforms. Your responsibilities will include writing, testing, and deploying smart contracts, building front-end interfaces for dApps, and integrating with blockchain protocols. You will collaborate with product managers and designers to translate user stories into functional applications. This position requires a strong command of smart contract languages such as Solidity, and experience with relevant frameworks like Web3.js or Ethers.js. Familiarity with blockchain architectures, consensus mechanisms, and security best practices is crucial. Candidates should have a solid understanding of JavaScript, HTML, CSS, and modern front-end frameworks (e.g., React, Vue). Experience with IPFS, decentralized storage solutions, and UI/UX design principles for dApps is highly advantageous. You will play a key role in the entire development lifecycle, from conceptualization to launch and ongoing maintenance. The ideal candidate is a proactive problem-solver with a passion for decentralized technologies and a desire to push the boundaries of what's possible in the blockchain space. We are looking for individuals who can work independently and as part of a collaborative team, contributing to a culture of innovation and continuous learning.

**Mô tả công việc**:
(Mức lương: 25 - 60 triệu VNĐ)
- Receiving problem requests from customers, writing requirements analysis documents, requirements specification, detailed design, database design.
- Program the assigned functions according to the detailed solution documentation.
- Perform tasks to fix bugs discovered during development and deployment.
- Write and execute unit tests.
- Perform upcode the project's upgrade requirements.
- Design component modules, detailed functions according to the available architecture.
- Code integration (merge code), system integration.
- Perform other tasks as assigned by PM and Director.

**Chức vụ**: Nhân Viên/Chuyên Viên

**Hình thức làm việc**: Toàn thời gian

**Quyền lợi được hưởng**:

- Salary: 25,000,000 - 60,000,000 VND
- Pay Social Insurance, Health Insurance, Unemployment Insurance in accordance with the Labor Law
- Leave: 12 days/year
- Salary review: 2 times/year
- Travel, Teambuilding: at least 1 time/year
- Happytime and birthday celebration: 2 times/month
- Hot bonus for individuals with excellent work/individuals making positive contributions to the team: 1 time/quarter
- Bonus for all holidays (April 30, May 1, September 2, October 20, New Year, Lunar New Year): 200.000 - 1.000.000
- New employee referral bonus: 2.000.000 - 10.000.000
- Lunch allowance and seniority bonus (with official employees working > 1 year)
- Visiting mode: wedding, maternity, sickness, funeral: 1.000.000
- Policy on advance salary, advance leave
- Participate in professional training courses, soft skills,.

**Yêu cầu bằng cấp (tối thiểu)**: Trung cấp - Nghề

**Yêu cầu công việc**:

- From 2 years of experience working with Java (Spring Boot, hibernate, struts.)
- Proficient in database management systems: Oracle, MySQL, SQL Server
- Good knowledge of programming and object-oriented design (OOP), Design Patterns
- Working experience and understanding with API (Restful, SOAP), SCM (Git, SVN), IDE (Eclipse, IntelliJ, NetBeans)
- Ability to learn and research new technologies.
- Proactive and responsible for assigned tasks.
- Able to coordinate well in teamwork, dynamic, creative, able to withstand pressure at work.
- Good at English
Prioritized:

- Experience working with Kafka, Microservices, AWS Architecture

**Yêu cầu giới tính**: Nam/Nữ

**Ngành nghề**: CNTT - Phần Mềm,Java

Trung cấp - Nghề
Không yêu cầu

M365 Big Data Optimization team is hiring a **Software Engineer** to work on big data efficiency improvements for M365 worldwide.
Hundreds of millions of global customers use M365 products every day. The engineering, telemetry and signals, datasets behind this are at world's largest scale: 800+ PB storage and a million CPU cores. There are various kinds of data platforms and systems working with each other to deliver efficient services. We provide large scale and unified datasets, span our portfolio for M365 world-class products and applications, collaborate with data scientists/product teams/sales/marketing teams to gain more product insights, maximize customer value, and reduce cost.  
Our team manages this huge and critical big data capacity and platform, we continuously optimize this giant storage & processing resources for M365 worldwide. We have achieved 200 million dollars cost reduction in the past few years and have accumulated a wealth of technical experience in distributed storage and processing fields. By joining us, you will also become experts on big data efficiency, and share your best practices with thousands of M365 engineers all over the world. There are lots of opportunities and challenges that you can show your passion and talents in big data, improve the efficiency and reliability of the systems, pursue engineering excellence, and make tremendous influence!
Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
**Responsibilities**
+ Design and build highly efficient, lower cost dataset for storage and pipeline for processing.
+ Research, analyze, and investigate optimization opportunities on Office365 Big Data platform.
+ Ensure Office365 capacity stay in allocated quota by optimization in both storage and processing.
+ Design tools, analyze and leverage data mining, generate BI reports to improve the efficiency of data capacity & resource management.
+ Leverage AI technologies/tools to enhance work efficiency-applying machine learning and intelligent automation to streamline processing and uncover optimization opportunities.
**Qualifications**
**Required Qualifications:**
+ Bachelor's Degree in Computer Science, or related technical discipline with proven experience coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
+ OR equivalent experience.
+ Solid Computer Science fundamentals.
+ Solid coding skills (no language restrictions).
+ Experience on design/development with C#/SQL Server/ASPX/JavaScript/Azure.
+ Quick learning and solid problem solving, design, coding, and debugging skills.
+ Communication in English: reading, writing, listening, and speaking.
+ Cross-team collaboration skills.
+ Accountable and proactive.
+ Data pipeline and optimization knowledge is a plus.
+ Experience with distributed system is a plus.
+ Experience or strong interest in leveraging AI to improve engineering efficiency, such as automating workflows, enhancing tooling, or identifying optimization opportunities.
**Other Requirements:**
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:
+ **Microsoft Cloud Background Check:** This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
**Preferred Qualifications:**
+ Bachelor's Degree in Computer Science
+ OR related technical field AND 1+ year(s) technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
+ OR Master's Degree in Computer Science or related technical field with proven experience coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
+ OR equivalent experience.
#M365Core
Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations ( .