Senior Front-end Developer (ReactJS, NextJS, English required)
Havas
Office
Ho Chi Minh EK, Vietnam
Full Time
Agency :
EkinoJob Description :
Ekino, powered by HavasCX, is a French company specialised in Conception, Design, Development and Maintenance of digital solutions: Digital Platforms, Websites, Mobile Applications.
We are part of the Havas Group. We work with other agencies in the network or directly with Asian, European and American clients.
HavasCX is the global network brand, bringing together over 1,200 specialists in digital transformation, eCommerce, customer experience design and customer acquisition and engagement from Havas’ global and local agencies.
We build innovative solutions from the ground up with open technologies. Our solutions are integrated with legacy systems (e-commerce, billing, provisioning, leads, CRM,...) and help business and digital managers to meet their objectives.
We provide our services to large French and international groups. Projects range from 50 to 1000 days of development.
The Ekino Group is composed of 700 consultants and technical experts, located in France (Paris & Bordeaux), Vietnam (Ho Chi Minh City), Singapore, India and USA (New York).
ekino in Vietnam
Ekino has been operating in Ho Chi Minh City since 2013, with around 200 employees.
We are specialised in Sage X3, Digital Architecture, eCommerce, Web Platforms, Mobile and Responsive Apps; Agile Development; ReactJS; AngularJS; NodeJS; Java; .Net; PHP (Symfony, WordPress, Drupal, Magento 2), User Experience, User Interface, Service Design; Cloud Services, DevOps.
Job description
Frontend development: analyze requirements and implement responsive and interactive web applications using ReactJS/NextJS and modern frontend technologies (e.g., Redux, Webpack, TypeScript).
Collaboration and Agile practices: collaborate with other developers to integrate applications with other systems. Participate in Agile ceremonies (sprints, stand-ups) and contribute to project planning and execution.
Code quality and best practices: write clean and maintainable code following engineering best practices (unit testing, source control, continuous integration, design patterns, etc.). Conduct code reviews and provide feedback to peers.
Performance optimization: optimize web application performance (e.g., code splitting, lazy loading, caching). Conduct performance testing and tuning to ensure fast load times and smooth interactions.
Cross-functional collaboration: collaborate with developers, testers, marketing, product management, and customers to create new solutions, facilitate feedback, and achieve design decisions.
Effort estimation: estimate the level of effort during sprint planning, contribute to the technical roadmap and continuous improvement.
Leadership: assist other team members with design challenges and coding issues; and evaluate their performance.
Desired skills and experience
4+ years' experience in front-end development and design patterns.
Expert knowledge of React/NextJS, Redux, TypeScript, JavaScript (ES6+), HTML5, and CSS3. Experience with CSS pre-processors (Sass, Less, Stylus) and post-processors (PostCSS).
Hands-on skills in caching, optimizing and securing front-end applications.
Familiar with task runners and the build process: Webpack / Gulp.
Testing practices: experience with BDD and TDD.
Experience with large SaaS applications (preferably decoupling monoliths) and microservice architecture.
Familiar with source control management: Git
Good communication in English.
Problem-solving skills.
Communication and collaboration skills: able to work independently and in a team environment.
Nice-to-have skills
Experience in back-end development (preferably with Laravel/Symfony frameworks).
Exposure to working with JSON.
OpenAPI, and Swagger.
Exposure to DevOps practices and AWS landscape.
Exposure to one or more of Solr, Redis, or Elasticsearch.
Why ekino?
High-ownership working environment: You will take full responsibility and control of your missions contributing to the team's success.
Continuous skill improvement with new technologies, challenging projects, on-the-job coaching, and training programs.
Annual performance review & bonus: recognize your efforts and identify development/ improvement needs.
Clear career path: define your career development with long-term vision.
Be secured in your mind with employee’s care: private healthcare insurance package, medical check-up, support allowance...
Great-place-to-work activities (company trip, sport clubs...): enhance teamwork spirit and facilitate your work-life harmony.
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To apply for this position, please kindly submit your resume via this link.
Thank you for your time and enthusiasm in our career opportunities.
Please kindly note that shortlisted candidates will be contacted within 3 weeks of application. Alternatively, we will reach out to you when another suitable chance arises in the future.
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Contract Type :
TemporaryHere at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination. We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job.
Senior Front-end Developer (ReactJS, NextJS, English required)
Office
Ho Chi Minh EK, Vietnam
Full Time
August 19, 2025