At Zalo, we truly believe that the Vietnamese are capable of creating world-class tech products.

Our Products

We develop products to bring people together and make life better through technology.

  • Zalo
  • Zalo
  • Zalo
  • Zalo
  • Zalo
  • Zalo
  • Zalo

Big Data Engineer

Full-Time
  • - Join the team to build and manage systems for data collection, data processing, data monitoring, data access platforms and much more
  • - Implement the tools and services, handling performance, scale, availability, accuracy and monitoring
  • - Create interactive dashboards and unique data visualizations
Hồ Chí Minh
Details

Machine Learning Engineer

Full-Time
  • - Join the team to design and develop efficient and highly scalable machine learning services
  • - Implement algorithms using machine learning and data mining techniques to extract user interests, predict user behaviors and build real-time recommendation systems
Hồ Chí Minh
Details

Research Scientist

Full-Time
  • - Keep up-to-date with state-of-the-art deep learning techniques.
  • - Design and build deep learning architectures.
  • - Carry out research projects independently.
  • - Assist deployment of ML products.
Hồ Chí Minh
Details

Big Data Engineer (AI Lab)

Full-Time
  • - Design and build machine learning models.
  • - Perform data engineering tasks such as collecting, cleaning, labeling datasets.
  • - Assist ML product deployments.
  • - Design, build, and maintain deep learning infra-structures.
Hồ Chí Minh
Details

Data Scientist, Zalo

Full-Time
  • - Extract, analyze, and apply data-mining and machine learning techniques to large structured and unstructured datasets.
  • - Design, develop and test large-scale data science pipeline and machine learning algorithms.
  • - Design and analyze experiments to test new features & products.
  • - Develop new algorithms and models for product improvement.
  • - Work with product managers, designers, and engineers to build new features and products.
  • - Providing technical solutions to match business requirements with focus on scalability and handling fast-growing data sets.
  • - End-to-end data processing, troubleshooting, and problem diagnosis.
  • - Implement the tools and services, handling performance, scale, availability, accuracy and monitoring.
  • - Create interactive dashboards and unique data visualisations.
Hồ Chí Minh
Details

Backend Development Engineer, Zalo (Voice & Video Call)

Full-Time
  • - Develop new feature for existing Zalo's products: call, VOD, live streaming.
  • - Discover and implement new technologies to improve call quality on various condition of network, devices
  • - Design and develop high performance, scalable video streaming, processing server
Hồ Chí Minh
Details

Lead Software Engineer (iOS)

Full-Time
  • - Design and build advanced application for the iOS platform
  • - Maintain, support, troubleshoot, monitor and optimize existing and future mobile application
  • - Analyze business requirements, provide development estimates and determine proper implementation.
  • - Work with other developers, QA team to implement quality software solutions
  • - Engage with product design to build beautiful and intuitive user experience
  • - Continuously discover, evaluate, research and implement new technologies to maximize development efficiency.
Hồ Chí Minh
Details

Lead Mobile Engineer (iOS/Android)

Full-Time
  • - Be responsible for designing, developing and optimizing Zalo on the iOS/Android platform
  • - Utilize your problem-solving and analytical skills to maintain the existing application and create sophisticated solutions to complex technical problems
  • - Continuously discover, develop, and implement new technologies to maximize Zalo’s efficiency
  • - Collaborate with Product Design team to define, design, and refine product features
Hồ Chí Minh
Details

Senior Data Analyst, Zalo

Full-Time
  • - Evaluate the validity and correctness of data sources and approaches.
  • - Be responsible for current and future data-focused initiatives, and improve upon the quality of these initiatives.
  • - Establish metrics and measurement methods for measuring the impact of different product operations, working together with development teams to better our research capacity.
Hồ Chí Minh
Details

Java Back-end Engineer

Full-Time
  • - Develops API server for Zalo and Zing's products
  • - Develops web applications in Java
  • - Develops existing and new projects
Hồ Chí Minh
Details

QC Engineer (Manual/ Automation)

Full-Time
  • - Responsible for developing and maintaining test cases, creating reusable test. templates, create test data and thoroughly document defects detected during test execution.
  • - Interact, on a regular basis, with both Product Owner and Development teams for understanding business requirements and technical design and to assist with defect resolution.
  • - Communicate with other team members, and report to line manager about issues.
Hồ Chí Minh
Details

Mobile Development Engineer, Zalo (iOS/Android)

Full-Time
  • - Design, develop and optimize performance of Mobile products (Zalo, Zing mp3, Báo Mới,…) on the Android/iOS platform,
  • - Utilize your problem-solving and analytical skills to maintain the existing application and create sophisticated solutions to complex technical problems,
  • - Continuously discover, develop, and implement new technologies to maximize Zalo’s efficiency,
  • - Collaborate with Product Design team to define, design, and refine product features.
Hồ Chí Minh, Hà Nội
Details

Front-end Engineer (JavaScript/ReactJS)

Full-Time
  • - Develop new features for Zalo for Work
  • - Develop high performance web applications in ReactJS
  • - Write clear and maintainable code
  • - This is an opportunity to work in a high-growth, fast-paced environment where you are encouraged to disrupt, learn, build, ship, fail and fail fast, reiterate and more importantly, your code and intellect will be a key driver of the product’s success
Hồ Chí Minh
Details

Backend Development Engineer

Full-Time
  • - Design and develop the server-side system for mobile-first service
  • - Problem solving in high performance computing
  • - Working cross-team in implemented projects or collecting requirements for further development. Involve in technologies evaluation and selection if needed in order to implement new solutions
Hồ Chí Minh, Hà Nội
Details

Front-end Development Fresher (ReactJS)

Part-Time
  • - Join a team to develop new features for Zalo’s Products (Zalo, ZingMp3, Báo Mới,…);
  • - Continuously grow by participating in valuable training sessions from experienced mentors.
Hồ Chí Minh
Details

AI Research/Engineering Fresher

Part-Time
  • - Join a team to design, develop and implement efficient and highly scalable machine learning services;
  • - Continuously grow by participating in valuable training sessions from experienced mentors.
Hồ Chí Minh, Hà Nội
Details

Java Back-end Development Fresher

Part-Time
  • - Join a team to develop web applications with Java;
  • - Continuously grow by participating in valuable training sessions from experienced mentors.
Hồ Chí Minh
Details

C++ Back-end Development Fresher

Part-Time
  • - Join a team to develop web applications with C++;
  • - Continuously grow by participating in valuable training sessions from experienced mentors.
Hồ Chí Minh
Details

Mobile Development Fresher (iOS/Android)

Part-Time
  • - Join a team to design, develop and optimize performance of Mobile products (Zalo, ZingMp3, Báo Mới,…) on the Android/iOS platform;
  • - Continuously grow by participating in valuable training sessions from our mentors.
Hồ Chí Minh, Hà Nội
Details

Front-end Engineer, Adtima

Full-Time
  • - This is an opportunity to work in a high-growth, fast-paced environment where you help manage and scale up our Advertising Ecosystem
  • - Templating web pages according to designs
  • - Building reusable front-end components
  • - Translating of UI/UX wireframes to visual elements
  • - Taking part in developing web application for ad serving system
  • - Writing clean and maintainable code
Hồ Chí Minh
Details

Software Engineer, Adtima (Java)

Full-Time
  • - Create, code, and improve the server/server-side applications and databases
  • - Take part in developing application for Zalo Ads, Zalo Shop, Zalo Bank, Zalo O2O systems
  • - Co-operate with other teams (Front-end, Product, Operation, QC) to deliver projects
Hồ Chí Minh, Hà Nội
Details

Information Security Engineer, Zalo

Full-Time
  • - Handling user safety issues related to content on Zalo
  • - Concentrate on developing the tool to detect and prevent illegal or offensive content
Hồ Chí Minh
Details

Information Security Assurance Engineer, Zalo

Full-Time
  • - Handling account protection, authentication issues and privacy
  • - Performing risk assessments, policy reviews
  • - Identifying and preventing phishing campaigns
Hồ Chí Minh
Details

Safety Engineer, Zalo

Full-Time
  • - Be in charge of problems related to spam (content and frequency) and prevent the abuse of logical system (automatic tool)
Hồ Chí Minh
Details

Back-end Developer, Zalo

Full-Time
  • - Analyze, design, build and maintain server-side applications for Zing Mp3, Zing TV and Bao Moi
  • - Explore and create new designs/architectures geared towards scale and performance
  • - Learn full-stack performance (tuning and optimization)
  • - Debug and modify complex, production software
Hồ Chí Minh, Hà Nội
Details

Software Engineer (Full-stack)

Full-Time
  • - Develop high performance and security web applications
  • - Work on big data platform
  • - Write clear and maintainable code
Hồ Chí Minh
Details

Software Engineer (Full-stack)

Full-Time
  • - Develop high performance and high traffic applications.
  • - Work on big data platform related to advertising business.
  • - Deploy, monitor and scale microservices to make sure availability and reliability.
  • - Write clean and maintainable code.
Hồ Chí Minh
Details

Security & Safety Engineer

Full-Time
  • - Handling user safety issues related to fraud, phishing, illegal content on Zalo
  • - Designing and assessing security features in term of account protection, privacy and security flaws of Zalo
  • - Be in charge of problems related to spamming, scanning and prevent the abuse or exploitation of Zalo’s logic flows
  • - Concentrate on developing the tools to predict, detect and prevent safety & security issues by processing, cleaning, verifying the integrity of data used for analysis
  • - Performing risk assessments, policy reviews and measure the maturity of our safety/security flows
Hồ Chí Minh
Details

QC Fresher (Manual/Automation)

Full-Time
  • - Developing and maintaining test cases, creating reusable test templates, creating test data and thoroughly documenting defects detected during test execution.
  • - Cooperating with both Product Owners and Development Teams to clarify business requirements, technical designs and to assist each other in defect management.
  • - Zalo_QC Fresher Training Plan: https://bit.ly/2U1RwNL
Hồ Chí Minh
Details

Software Engineer, Bao Moi (Java)

Full-Time
  • - Analyze, design, build and maintain server-side applications for Bao Moi
  • - Explore and create new designs/architectures geared towards scale and performance
  • - Learn full-stack performance (tuning and optimization)
  • - Debug and modify complex, production software
Hà Nội
Details

Devops - Site Reliability Engineer

Full-Time
  • - Build a highly scalable, highly available infrastructure for our application following Infrastructure-as-code mindset
  • - Setup continuous delivery and build pipelines that will help the scrum teams delivery fast with minimal technical impediments
  • - Propose and implement metrics and scripts to monitor and improve application and system performance
  • - Monitor every system beats and bug troubleshooting support
  • - Other tasks assigned
Hồ Chí Minh
Details

Mobile Developer (Android/ iOS) - New Project - Social App

Full-Time
  • - Design, develop and optimize performance of products on the Android/iOS platform,
  • - Utilize your problem-solving and analytical skills to maintain the existing application and create sophisticated solutions to complex technical problems,
  • - Continuously discover, develop, and implement new technologies to maximize Zalo’s efficiency,
  • - Collaborate with Product Design team to define, design, and refine product features.
Hồ Chí Minh, Hà Nội
Details

Why you’ll love working here