Frontend Engineer (ReactJS)

  • Full-time
  • TECH
  • Hanoi


Crossian is a high-growth technology-driven eCommerce business. Behind our success is our people. As a start-up formed in 2020, we have created a fast-paced and dynamic environment, enabling our people to reach a collective CAGR of over 700% in just under 4 years. Our mission now is to build DTC brands and increase customer LTV by providing best-valued products backed by no-nonsense customer service policies as Customer Centricity is at the core of our values.

As an integral part of our Technology Innovations CoE, you will work under the supervision of the Engineering Manager and Tech Leaders while receiving guidance from the firm's CTO. Operating within a dynamic Silicon Valley-style Tech-startup environment (Agile mindset), you'll join daily check-ins with the team to stay updated on the project progress and collaborate with the eco-system.

Our aim is to build a comprehensive Cross-border eCommerce Platform that features solutions for Storefront, Payment Gateway, Inventory, Catalogs, Logistics, Marketing Insights, CRM, and more:

  • Develop a Storefront solution
  • Centralize payment gateways for managing transactions and after-payment business (such as refunds, chargebacks, claims, inquiries,..)
  • Integrate various 3rd services to operate a complete supply-chain system including inventory, catalogs, logistics tracking, and more...
  • Convert raw data from marketing campaigns, transactions, user behavior, etc. into insights beneficial and significant for business operations.
  • Plus, numerous other opportunities await your input.

In addition to development tasks, collaboration with other firm’s CoE is crucial to comprehend issues within their specific sectors. Thus, from a technical standpoint, you will propose solutions to help them improve consistently every day.


  • Develop new user-facing features using ReactJS and NextJS
  • Translate wireframes and prototypes into high-quality code
  • Optimize components for maximum performance across devices and browsers
  • Implement responsive design and ensure cross-browser compatibility
  • Collaborate with backend developers to integrate UI and APIs
  • Contribute to front-end framework and library development
  • Follow industry best practices and standards for web development
  • Participate in Requirements Analysis & Technical Specification in the Agile/Scrum development process


  • 2-4 years of experience as Front-end Engineer
  • Students in Universities or has Bachelor’s degree in computer programming, computer science, or a related field
  • Strong in logic/math/algorithms or has a passion for Front End technologies
  • Proficiency in HTML, CSS, JavaScript
  • Experience building web applications using ReactJS
  • Understanding of code versioning tools like Git
  • Knowledge of UI/UX standards and accessibility best practices
  • Ability to understand business requirements and translate them into technical tasks
  • Attention to detail, critical thinking, and problem-solving skills
  • Good understanding of asynchronous request handling
  • Good command in English (Reading, Writing)

Preferred (but not required)

  • Won prizes in chess competitions / excellent student competitions is a BIG PLUS
  • Has knowledge of Clean Architecture, DDD, TDD, SOLID & SOA/Microservices
  • Has knowledge of design, and coding principles (e.g.: clean code, DRY/KISS, SOLID)
  • Has knowledge of OOP, DI concepts, .NET Core / Node.js & backend stacks: Postgres, KAFKA, Elasticsearch, S3/Minio
  • DevOps, SysOps in AWS, and CI/CD experience


At Crossian, our people are the key to our success. We believe in creating an attractive total compensation package (TCP) that not only retains employees but allows them to excel in their profession. These include:

  • Competitive salary (negotiable depending on what you bring to the table)
  • Full salary during probation
  • Guaranteed 13th-month salary
  • Quarterly bonus and year-end bonus as part of our profit-sharing program
  • 12 days of work-from-home & 12 days of paid annual leave
  • Global health insurance package for yourself and direct family members
  • A Pantry & a Crossian Cafe stocked with goodies, ready to serve
  • Lots of other company benefits including a 5-star annual Summer Summit, budget for frequent team building activities, and other monthly/quarterly/annual company events
  • General company T&D Program
  • Other benefits in accordance with the Company's Policy and Vietnam Labor Laws

Please note that we appreciate all applicants for their interest; however, only those candidates selected for interviews will be contacted.