Front-end Developer

Tek Def Co., Ltd., (Chiangmai Branch), our nice office at Chiangmai is located at Suthep district, operated by Colengo under Tek Def Co., Ltd. We are a high scaled IT development team and invent, design and build a powerful online ecommerce platform. The platform offers a variety of online services, such as a brandable store front, a complete backoffice solution and a customer control panel. We specialized in processing online transactions. Not only is our platform cloud-based, it’s also highly advanced, which allows our customers from a variety of industries to reliably process their orders. Think about music festivals, football stadiums, real-estate, financial products, marketplaces, webshops and digital products. Our complete platform is built on Microsoft .net core.

Our e-commerce platform is your digital canvas. OneCORE provides everything you need to start a webshop or ticket shop. Selling complex configurable products, offering white label tickets or managing a queue on-site? All made possible with oneCORE.

For great benefits, company outings, lifelong friendships, unforgettable memories, and other fun stuffs, join our seasoned team of professionals today!

See our team and culture:

Job Description :

Your primary responsibility will be implementing visual and interactive elements that users engage with through their web browser when using our platform. You will be supported by our back-end developers and graphic designers, who are responsible for server-side and the graphical part of the application. A commitment to collaborative problem solving, sophisticated design, eye for detail and quality product is essential.

Responsibilities :

  • Build modular layouts, reusable code and libraries for future use.
  • Ensure the technical feasibility of UI/UX designs.
  • Develop delightful user-facing features.
  • Optimize application for maximum speed and scalability.
  • Collaborate with other team members and stakeholders

Skills :

  • Good knowledge of the English language (written and spoken)
  • Expert in web markup, including HTML5, CSS3 and TypeScript
  • Proficient understanding of CSS pre-processing platforms, such as LESS and SASS (we like SASS)
  • Writing clean, readable, and easily maintainable code
  • Familiarity with Angular 1.x or 2+ Framework
  • Experience working with JavaScript package managers, (npm, node etc.) and task runners (grunt/gulp/webpack)
  • Understanding of fundamental design principles for building a scalable cloud application
  • Proficient understanding of Visual Studio & Team foundation server
  • Good understanding of SEO principles including web analytics and ensuring that application will adhere to them
  • Excellent communication skills and experience in collaborative environments
  • The desire to be continually learning about emerging technologies/industry trends

Qualifications :

  • Thai nationality, Male / Female, age 25-40 years
  • Bachelor degree in IT, Computer Science, Computer Engineering or related field
  • Experience in developer for 3+ years
  • Good analytical and problem-solving skills
  • Self-learning
  • Creative. In order to reach the goals and tackle problems on the way you need to be able to come up with creative solution.


Salary: Negotiable (Depends on Skills & Experience)
Workplace: Tek Def Co., Ltd., Chiangmai Brach (Suthep, Muang, Chiangmai)


Interested? please send your resume to

Apply Jobs



    Monday-Friday: 9:00-21:00

    Saturday-Sunday: Close


    42/95-96 Moo. 9,

    Nong prue, Banglamung,

    Pattaya Chonburi, 20150

    SOCIAL MEDIA © 2023 All Rights Reserved