We’re Omisians. And we’re firm believers that “payment acceptance” is fundamental to developing a successful business. We build tools and provide our clients with services that power more than just payments — helping them reach more buyers around the world, unlocking their fullest potential.

Our payment solution is simple to set up and works seamlessly across multiple devices. We take care of connecting and maintaining relationships with processors and acquirers which let our merchants focus on building great products.

Why we need you

Omise is one of the largest digital payment services provider in Thailand. We also operate in multiple countries across South-East Asia. Financial systems are generally complex and sensitive to changes. Additionally, in SEA, not everyone can apply for Credit Cards. Payment methods preference vary significantly from country to country. This is why we strive to provide access to as many payment channels as possible so that our merchants can conduct business without having to worry about accepting payments from their customers.

What you will be doing


  • Design and implement our API endpoints (both public and internal).
  • Refactor and improve the API to make it safer and easier to use.
  • Code and debug, usually in Rails.

But also:

  • Read, understand, and explain basic accounting and financial systems.
  • Respond to sales and support queries on interaction between financial systems.


  • Minimum 2 years of experience with Ruby on Rails
  • Work effectively with minimal-to-none supervision.
  • Like to make products that are a delight for other developers to use.
  • Know when and where to be careful with regards to code and security.
  • Communicate well (verbally and in writing) in English.


  • You can write concise and clear documentation.
  • You have professional experience across other languages and platforms.

Why you’ll love it here

  • Work with other smart, ambitious people who love to learn and grow
  • A beautiful work environment with flexible working hours
  • A health care plan
  • A Laptop to work from coffee shops or beaches
  • A friendly bunch of colleagues

What we believe

  • We celebrate individualism
  • Nourish a trust-based working culture
  • Giving our employees the freedom to develop and grow with us

Read more here

About Omise

  • Founded in 2013, currently 180 people
  • Operational headquarters in Bangkok, with offices in Japan, Singapore, and Indonesia
  • Raised over $45M of funding, from institutional investors including SoftBank International, Golden Gate Ventures, Global Brain, Ascend Venture Group, East Ventures, Sinar Mas Digital Ventures, Krungsri Finnovate, and more
  • Won Digital Startup of the Year at Digital Thailand Big Bang

Life at Omise

If you like to do things a little different and don’t play by the book - then come a little closer.

At Omise, we celebrate individualism and nourish a trust-based working culture. We give our employees the freedom to develop and we love to see our fellow Omisians grow with us.

We’re on a mission to achieve our goal, “Payment for Everyone”, and are working with some of the greatest minds in the business to achieve it. Growing with us means to get things done, think outside the box and excel in your profession. If this sounds like you, then get in touch today and take the first steps towards life at Omise.

How to apply

If you liked what you read and believe to be up for the challenge, we'd be pleased to welcome you to the recruitment process for this position. Simply click on apply and submit your contact info. Afterward, this will happen next:

    • The hiring team will review your application
    • You will be invited to complete a Ruby on Rails code challenge
    • 3-4 Interviews with the hiring team, People Operations team and all stakeholders involved in the process

We look forward to getting in touch with you!


Omise embraces diversity and nourishes an open and inclusive work environment. We are home to over 20 nationalities and all decisions to hire, promote or discharge are based on merit, competence, performance, and business needs.

We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other applicable legally protected characteristics.