We Are Hiring!

JOIN US! The journey will be long and challenging, but the reward is limitless

We believe in mutual-growth. We believe EVERY work must be rewarding to EVERYONE involved.

We are serious on personal and professional development plans for all of our employees.

Available Roles

Learn more about our job openings by sending your inquiry to hr@kst.co.id

Mobile Developer for IOS/Android

Updated: 1 May 2022
Job location: Indonesia


Are you a programmer who looking for worklife balance and WFA (Work From Anywhere),
you have passion to develop mobile apps and want an exciting challenge ?

Join Us !

Minimum Requirements :

1. Bachelor of Computer Science / Information System or significant equivalent experience.
2. Minimum 2 year experience building a mobile application,
3. Extensive knowledge of Kotlin / Swift mobile technology and framework is a must.
4. Experience with all phases of the development life cycle and agile development
5. Experience with GIT source control management, third-party libraries, and APIs
6. Ability to perform in a team environment
7. Good communication in English
8. Strong analytical and planning skills, and excellent problem-solving skill

Point plus if you have :
1. Having experienced in .Net is an advantage.
2. Updated with latest mobile technology and framework
3. Much preferred if the app is already live in Playstore or Applestore)
4. Experience implementation in MVVM or VIPER Architecture

Your Responsibilities :
1. Gather technical and/or business requirements
2. Collaborate with cross-functional teams to define, design, and build the mobile application for Android and iOS platforms.
3. Integrate back-end or third-party API’s.
4. Implement code that is clear, clean, secure, and easily understood by others
5. Perform unit testing for robustness and reliability
6. Work on bug fixing and improving application performance and usability
7. Communicate, collaborate, and work effectively within the team and a small group of stakeholders
8. Willing to learn other technologies

Microsoft .NET Developer

Updated: 1 May 2022
Job Location: WFA (Work from Anywhere) in Indonesia

The ideal candidate will be a software engineer with proven track record in programming within Microsoft IT world and its related technology stack. This is a full-time position where both coding and thorough testing are integral part of the duties.


To collaborate with global teams to produce and maintain software application and design, including but not limited to interpret business requirements, perform technical analysis and provide development estimates.


Minimum Qualifications
  • Solid 2-4 years of experience working with Microsoft Related Technologies
  • Familiarity with .NET Core framework and DBMS: such as SQLServer, MySQL
  • Knowledge at least one of .NET languages: eg. C# also HTML, CSS, Javascript, and Angular
  • Degree holder in IT relevant major
  • Fluent in English communication, both active and passive
  • Highly responsible, pro-active, and has motivation to learn
  • Having international project exposure is an advantage
  • Strong experience in OO architecture and design patterns
  • Working knowledge of SDLC and Agile methodologies
  • Self-starter, committed to finish task independently towards a deadline
  • Willing to learn, understand new / emerging technologies

Junior .Net/Java Dev

Updated: 1 May 2022
Job Location: WFA (Work from Anywhere) in Indonesia

This could be the very first step towards an exciting career in IT. We are calling all talented junior and fresh grads to join a 3 months intense on-the-job training program.

Simple Requirements:
  • Degree holder in Information Technology or Informatic Engineering or Software Engineering
  • Fresh Graduate or less than 1 year of working experience in IT programming
  • A minimum GPA 3.0
  • Knowledge of .C# / Java language also HTML, Javascript, Bootstrap
  • Familiarity with .NET Core framework and DBMS: such as SQLServer, MySQL
  • Able to communicate in English either passive or active (preferable)
  • Highly responsible, pro-active, and motivated
  • Involved in student organization and activities (preferable)
Applications Close: indefinitely

Java Developer (Mid Level)

Updated: 1 May 2022
Job Location: WFA (Work from Anywhere) in Indonesia

To be successful in this role, you will need the following:


Technical Skills:
  • Preferably 2-4 years of relevant professional experience in Java development using Agile methodology
  • Expertise in Microservices, Java, J2EE, Spring, Spring Boot, Spring Cloud, Spring Security
  • Working knowledge of relational databases such as Oracle, MySQL and NoSQLs like Cassandra or MongoDB
  • Experience with application servers, preferably Tomcat
  • Highly responsible, pro-active, and has motivation to learn
  • Having international project exposure is an advantage

Apply for this position

Team Testimony

KST itu, 
K nya Kekeluargaan banget suasananya, 
S nya Sik asik orang nya, dan 
T nya . (Titik)

Iyah T nya titik aja.
Titik walaupun mungil, tapi memiliki peran yg begitu besar dalam sebuah kalimat.
KST pun begitu, mungil tapi peran dalam dunia tentulah besar.
Titik berarti berhenti, dan setiap dilanjutkan tentu dengan huruf kapital.
KST pun begitu, merupakan tempat yg nyaman untuk pemberhentian
dan setiap lanjutannya pasti akan menjadi orang orang dengan nama besar.


Application Developer

Working on KST has been a wonderful experience so far, the management team is easy to talk to and listens to the worker’s concern. And my co-workers are very friendly and is willing to help and share their knowledges to the team. KST also provides an environment where we are pushed to deliver the best results possible and to always learn and never be satisfied with what we have. It’s been a pleasant experience working here. 


Application Developer

Working at KST breaks my boundaries for growth. I was given the opportunity to develop by implementing my skills and exploring new things.


Application Developer

I’ve enjoyed working with KST. We have nice people and a good work-life balance. There’s a lot of learning opportunity here, where the people are curious and have a great willingness to learn new things every day.


Software Engineer

Work at KST values high flexibility, with emphasis on result-driven workstyle, so we have the freedom to define how we should perform, as long as we can deliver the best results.


Software Engineer

This is my first time working in a multinational company and it’s a really valuable experience for me.
I hope to continue to develop, learn and be able to make the best contribution to KST


Application Developer

Working here allows me to have flexible work system, effective time management, and open-minded team members. We value commitment, attitude,
and initiative as our basis in creating mutual synergy in the team. I am grateful that by joining KST I can develop myself as a designer,
a part of the team, and an individual. Let’s grow together with KST!


UI/UX Designer

Working at KST is great fun. Company that not only prioritize client comfort, but also doesn’t ignore employee welfare.
I find a warm and friendly working atmosphere that’s supportive and not stingy in knowledge and appreciation.


Project Coordinator

Team Activity