Hiring: Senior Front-end Developer (ReactJS/ React Native) – Sioux High Tech Software

Hiring: Senior Front-end Developer (ReactJS/ React Native) – Sioux High Tech Software

We bring high-tech to life together with a team of driven engineers!

Sioux Group was founded in 1996 in the Netherlands. With over 800 engineers, Sioux supports or acts as the R&D department of leading high-tech companies. Sioux aims to add value to its clients and build innovative solutions that can contribute to a smarter, safer, healthier, more enjoyable, and more sustainable society. Sioux has been rewarded as an employer of choice: Best ICT company to work for and a great place to work with.

At Sioux, we strive for a Culture of Excellence and grow our employees with challenging projects. As a Software Engineer at Sioux, you’ll have the opportunity to work with clients who are giant tech corporations all over the world (English-based projects).



Level of Experience


Type of work


Responsibilities :

As a Senior Front-end Developer, your focus will comprise

  • Analyzing requirements;
  • Creating and implementing architectures and technical designs;
  • Performing testing activities, based on the requirements and the technical design;
  • Integrating different software modules;
  • Writing documentation.
  • Training and Coaching for team members

Your experiences & qualifications :

Must have

  • 3+ years of experience building clean, scalable, and responsive user interfaces using React and React Native;
  • Experience with design systems and their tooling ecosystems;
  • Knowledge of applying design patterns to component architecture;
  • Experience with UI animation, styling, flexbox, grid layouts
  • Practical understanding of unit, integration, and visual regression tests;
  • Strong knowledge of CSS preprocessors and tools.
  • Firm grasp of methodologies for accessibility and internationalization, semantic markup, and W3C standards
  • Familiar with both OOP and functional programming paradigms;

Nice to have

  • Familiarity with software development methodologies: UML, Agile, Scrum;
  • Have an appreciation for clean and well-documented code;
  • Experience working with European or US customers is an advantage;
  • Experience working with NodeJS and MongoDB is a plus.


  • Good problem-solving skills;
  • Strong logical thinking, proactive, and open-minded learning attitude;
  • Good verbal and written communication skills in English.

What you’ll love working here:

  • High-tech: Apply the latest technology and make life better through technology;
  • Challenging Projects: work with Europe clients who are giant tech corporations and awesome projects;
  • Growing Opportunity: Work with top-notch experts from around the world;
  • Our value: H – O – T (Honest, Open, Transparent).

What do we offer you:

  • International working environment;
  • Attractive salary based on your performance;
  • Annual 13th-month salary;
  • Project Bonus will be paid twice a year;
  • SiouxCare Flex Package: Each employee is eligible for an assigned package (based on grade and length of service) up to VND 30,000,000/ employee/ year for well-being benefits, including Premium Insurances, Skills Development, Kids’ learning fees, sports & WFH Equipment, etc;
  • Government Social Insurance based on full of gross salary;
  • 100% full salary as an official employee from the 1st day of work;
  • Flexible working time, hybrid work (8 days working remotely per month);
  • 19 leave days per year;
  • Company-sponsored training: soft skills/ technical skills/ English etc;
  • Diverse company culture activities: Company trip, company outings, big annual year-end party, Lunch & Learn, Work Anniversary, Club (Football, Badminton,..), etc;


  • You can apply by hitting the “Apply for this job” button or send CV to ngoc.nguyen@sioux.asia

Our notes for your job application:

  • We love to receive your CV in English.
  • We will contact you (for the ones matching our criteria) within 2 weeks from your application date.
  • In case you don’t find a job matching you, don’t hesitate to send your CV to our email: ngoc.nguyen@sioux.asia We are interested to think together with you about other job options.

If you know someone perfectly fit for this position, please feel free to share this!

We hope to meet you soon at Sioux. Cheers!

Leave a Reply

Your email address will not be published.