790 Backend Systems jobs in Vietnam

Our client is seeking a highly skilled and experienced Senior Software Engineer to join their core technology team. This role focuses on designing, developing, and maintaining robust backend systems that power our client's innovative platforms. You will be instrumental in architecting scalable solutions, implementing efficient algorithms, and ensuring the reliability and performance of our applications. The ideal candidate will possess a deep understanding of modern software development practices, a strong command of backend programming languages, and experience with cloud-based architectures. You will collaborate closely with frontend developers, product managers, and other stakeholders to deliver high-quality software. Responsibilities include writing clean, maintainable code, conducting code reviews, participating in agile development processes, and troubleshooting complex technical issues. We are looking for a proactive problem-solver with a passion for technology and a commitment to best practices in software engineering. This is a fantastic opportunity to contribute to impactful projects within a collaborative and dynamic environment.

Key Responsibilities:

• Design, develop, and maintain scalable backend services and APIs.
• Write high-quality, efficient, and testable code in languages such as Java, Python, or Go.
• Collaborate with frontend developers to integrate user-facing elements with server-side logic.
• Implement and manage database solutions, ensuring data integrity and performance.
• Develop and deploy applications on cloud platforms (e.g., AWS, Azure, GCP).
• Participate in code reviews and provide constructive feedback to team members.
• Troubleshoot and debug complex issues in production environments.
• Contribute to architectural decisions and system design discussions.
• Optimize application performance and scalability.
• Ensure security best practices are implemented throughout the development lifecycle.
• Mentor junior software engineers and share technical expertise.

Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• Minimum of 6 years of professional experience in backend software development.
• Proficiency in one or more backend programming languages (e.g., Java, Python, Node.js, Go).
• Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
• Solid understanding of RESTful API design principles.
• Experience with cloud computing platforms (AWS, Azure, GCP).
• Familiarity with containerization technologies (Docker, Kubernetes).
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork abilities.

Our client is seeking a highly skilled and motivated Senior Software Engineer to join their dynamic team in **My Tho, Tien Giang, VN**. This is an exciting opportunity to contribute to the development of cutting-edge software solutions. You will be responsible for designing, developing, and maintaining robust and scalable backend systems. Your core duties will include writing clean, efficient, and maintainable code, collaborating with cross-functional teams to define, design, and ship new features, and troubleshooting and debugging complex issues. You will also participate in code reviews, mentor junior engineers, and contribute to architectural decisions. The ideal candidate will have a strong understanding of software development principles, data structures, and algorithms. Experience with cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines is highly desirable.

Responsibilities:

• Design, develop, test, deploy, maintain, and improve software.
• Manage individual projects and drive them to completion.
• Collaborate with product managers, designers, and other engineers to understand user needs and translate them into technical solutions.
• Write high-quality, well-documented, and testable code.
• Participate in code reviews to ensure code quality and share knowledge.
• Identify and address performance bottlenecks and bugs.
• Stay up-to-date with emerging technologies and industry best practices.
• Contribute to the continuous improvement of our development processes.

Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of professional software development experience.
• Proficiency in one or more backend programming languages (e.g., Python, Java, Go, Node.js).
• Experience with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB, Cassandra).
• Solid understanding of RESTful APIs and microservices architecture.
• Experience with version control systems, preferably Git.
• Familiarity with agile development methodologies.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.
• Experience with containerization technologies (e.g., Docker, Kubernetes) is a plus.
• Experience with frontend technologies (e.g., React, Angular, Vue.js) is a plus.

Join our client and be part of a team that values innovation, collaboration, and continuous learning. We offer a competitive salary, comprehensive benefits, and a supportive work environment.

Our client is a leading technology firm seeking a Senior Software Developer specializing in backend systems to join their fully remote team. This role is integral to designing, developing, and maintaining robust, scalable, and high-performance backend applications. You will be responsible for writing clean, efficient, and well-documented code, as well as collaborating with cross-functional teams to define, design, and ship new features. Key responsibilities include developing APIs, managing databases, and implementing server-side logic. You will also be involved in code reviews, performance optimization, and troubleshooting production issues. The ideal candidate will possess extensive experience in backend development, with a strong command of programming languages such as Java, Python, or Node.js, and experience with relevant frameworks. Proficiency in database technologies (SQL and NoSQL) and a solid understanding of software architecture patterns are essential. This position demands exceptional problem-solving skills, a proactive approach to development, and the ability to work effectively in a distributed, agile environment. You will be expected to contribute to technical discussions, mentor junior developers, and stay abreast of emerging technologies and best practices in software engineering. We are looking for a developer who is passionate about creating high-quality software and driving innovation. Your ability to translate complex requirements into elegant technical solutions and your commitment to continuous learning will be highly valued. This remote-first opportunity offers the flexibility to work from anywhere while contributing to impactful software projects. Join our collaborative and innovative engineering team and help build the future of our technology.

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 ( .

Office Data Loader team is hiring a **Software Engineer** to build one of the most largest hyper-scale data ingestion service in the world for Office365 services.
With hundreds of millions of users using Office365 services, huge amount of data are generated every day. Data is mission critical for Office365 services. It helps engineering teams to understand the quality of live services, generate insights of feature usage and user behavior, troubleshoot bugs and issues. It also offers better visibility to product and management teams on business impacts, empowers product and scientist teams to build intelligence features.
To support the continuously growth of business needs from Office365, Office Data Loader team builds the hyper-scale distributed data ingestion service. We directly manages the ingestion service on more than 300,000 Exchange Online machines, which upload more than 30,000 TB data to our hyper-scale distributed storage every day. We also support the ingestion service running on even more machines for other Office365 products.
As the fundamental data ingestion service, we play an incredibly important role to make sure data uploading meet the privacy and compliance requirements. Sensitive data needs to be transformed to prevent privacy leaks or ne. Moreover, privacy leak detection and resolution are also built by us as the safeguard. User data that empowers Machine Learning scenarios has even higher requirements on the design of our service. Privacy and compliance are always our top priority, because Microsoft runs on Trust!
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**
The quality of the service means a lot for the success of Office365 services. You will have plenty of opportunities to take on challenges to achieve high uploading completeness (>99.9%) and make sure privacy and compliance requirements are always met.
+ Design and build high quality, performant and reliable distributed ingestion service.
+ Design and build modernized telemetry/monitoring/reporting systems to get the insights of service quality.
+ Improve service performance and efficiency to reduce COST of service.
+ Work with downstream data consumer teams in different geo locations to onboard data ingestion service, and provide supports in daily work.
+ Work with privacy & compliance teams to design and build solutions to prevent/detect/resolve privacy issues, also provide guidance and best practice for engineering teams within Office365.
+ Responsible for the daily operations and maintenance of the live service and ensure quality of service.
+ Collaborate with other Office365 teams to manage their data ingestion service, provide solutions and guidance.
**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 coding skills (No requirements on certain language, assuming the candidate can demonstrate fast learning).
+ Solid Computer Science fundamentals.
+ Solid problem analysis and solving skills.
+ Solid communication skills. (Good written English, Avg+ oral English).
+ Passionate to solve hard problems.
+ Passionate to learn new skills/knowledge.
+ Knowledge and experience of distributed system, large-scale big data platform technologies is a plus.
+ Knowledge and experience of performance tuning is a plus.
+ Knowledge and experience of data privacy is a plus.
**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 ( .

**What you will do**:

- Handle backend Database for Zalo product;
- Working cross-team in implemented projects or collecting requirements for further development;
- Involve in technologies evaluation and selection if needed to implement new solutions;
- Participate in the design, development and implementation of new features and various supporting tools as required;
- Learn more about tech stacks, programming languages, internal DBs & frameworks;
- Research new technologies and learn to develop high-load, low-latency services and deliver high availability and performance.

**What you will need**:

- Experienced in C/C++ is required;
- Familiar with Java programming language is a plus;
- Solid knowledge of Data Structures and Algorithms;
- Good at logical thinking and problem-solving skills;
- Be willing to learn new technologies and programming languages;

**_Nice to have:_**
- Familiar with network protocols (TCP, UDP, HTTP) and socket programming is a plus;
- Good knowledge in Linux is a plus;
- Familiar with in-memory and NoSQL databases is a plus;
- Experienced in asynchronous programming is a plus.

**What you will do**:

- Handle backend Database for Zalo product;
- Working cross-team in implemented projects or collecting requirements for further development;
- Involve in technologies evaluation and selection if needed to implement new solutions;
- Participate in the design, development and implementation of new features and various supporting tools as required;
- Learn more about tech stacks, programming languages, internal DBs & frameworks;
- Research new technologies and learn to develop high-load, low-latency services and deliver high availability and performance.

**What you will need**:

- Experienced in C/C++ is required;
- Familiar with Java programming language is a plus;
- Solid knowledge of Data Structures and Algorithms;
- Good at logical thinking and problem-solving skills;
- Be willing to learn new technologies and programming languages;

**_Nice to have:_**
- Familiar with network protocols (TCP, UDP, HTTP) and socket programming is a plus;
- Good knowledge in Linux is a plus;
- Familiar with in-memory and NoSQL databases is a plus;
- Experienced in asynchronous programming is a plus.

**What you will do**:

- Handle backend Database for Zalo product;
- Working cross-team in implemented projects or collecting requirements for further development;
- Involve in technologies evaluation and selection if needed to implement new solutions;
- Participate in the design, development and implementation of new features and various supporting tools as required;
- Learn more about tech stacks, programming languages, internal DBs & frameworks;
- Research new technologies and learn to develop high-load, low-latency services and deliver high availability and performance.

**What you will need**:

- Experienced in C/C++ is required;
- Familiar with Java programming language is a plus;
- Solid knowledge of Data Structures and Algorithms;
- Good at logical thinking and problem-solving skills;
- Be willing to learn new technologies and programming languages;

**_Nice to have:_**
- Familiar with network protocols (TCP, UDP, HTTP) and socket programming is a plus;
- Good knowledge in Linux is a plus;
- Familiar with in-memory and NoSQL databases is a plus;
- Experienced in asynchronous programming is a plus.

**What you will do**:

- Participates in the design, development, and implementation of Zing MP3;
- May provide technical solutions and system architecture for ZingMP3 product;
- Prepare and produce releases of software components;
- Continuous improvement by researching new alternatives and technologies and presenting these for architectural review.

**What you will need**:

- Level: from Associate to Senior;
- We're not required working experience for Associate level;
- Welcome Backend Software Engineer using any language programming who is willing to work with Java EE;
- Solid knowledge of data structures and algorithms, object-oriented programming;
- Experienced in Linux operating system, web, and network protocols;
- Experienced in SQL/NoSQL, a good understanding of how to optimize databases in an extensive system;
- Experienced with ReactJS is a big plus;
- Excellent problem-solving skills and creativity under high pressure;
- High responsibility, young, active, good at individual and teamwork.