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Senior Software Engineer

  • Ho Chi Minh City, Vietnam
  • Full time
  • Competitive
  • 19th December 2025
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Full Description

In short

Our internal Operations in Sourcing and Material Management are growing strongly, and we're looking for a Senior Software Engineer to join the Product Technology team and establish the foundations of our software support for these critical internal stakeholders. The focus of this role is on designing, developing, and operating digital services that will improve the speed and efficiency of our vital communications with suppliers and enhance our overall material management operations. You'll be based in Ho Chi Minh City, working in close collaboration with cross-functional teams and Sourcing/Operations stakeholders globally.

Your Mission

You will design, develop, and operate the foundational software that supports our Sourcing and Operations teams, focusing on the following:

  • Establish the Foundations of our software support for internal stakeholders by providing robust APIs, real-time events, and documentation.
  • Improve the speed and efficiency of our vital communications with suppliers by building modern, scalable communication tools and interfaces.
  • Improve our operations around material management by designing and developing systems that offer better visibility, control, and efficiency.
  • Migrate and improve the robustness of our current solutions, ensuring seamless transitions and enhanced system stability.
  • You will iteratively deliver value and quality with your solutions to meet both technical and internal consumer needs.
  • With the team, you will build, release, and operate complex systems. You will own and evolve the architecture that scales for our global operations.
  • Participate in and drive architectural decision-making through RFCs and design reviews to ensure scalability and resilience.
  • You will act as an expert in the given technology area, leverage best-in-class engineering practices, including continuous integration and deployment, code reviews, and high test coverage.

Your story

  • You have 5-6 years of backend experience designing, building, testing, releasing, and operating scalable systems with a strong problem-solving mindset and taking full ownership and accountability.
  • You have a strong sense of autonomy and proactiveness, thriving in a fast-paced environment.
  • You have strong experience within the NodeJS (TypeScript) eco-system, designing and developing APIs (bonus if you have experience with GraphQL and NestJS).
  • You facilitate discussion as well as guide and mentor your peers by delivering praise and constructive feedback.
  • You also have an interest in Artificial Intelligence (AI) and Machine Learning (ML).
  • You have a product mindset that makes you comfortable in owning and building features from the ground up, understanding the “why,” applying holistic thinking and delivering for impact.
  • You enjoy working with Stakeholders, understanding their problems and proposing practical solutions
  • Excellent verbal and written communication skills in English and Vietnamese. Chinese is a plus.
  • Bonus points: You have experience working with and designing distributed systems. You are competent in building and designing event-driven systems (e.g., using Kafka). You have mastered automated testing, TDD, and performance debugging tools and you are hands-on with operating the infrastructure on AWS or GCP.

What to expect

We want to set everyone up for success, so here’s the lowdown on how we hire. Our process is a two-way street – bringing you into our culture, while helping us learn how you think.

Our full process can last about eight weeks from application to offer, because we care about getting it right. These steps explain how we usually do things.

Before you get started, feel free to consider if you want to work with us. Strange question? Well, we give people a lot of space to navigate their day-to-day and that style isn't for everyone. We want you to be passionate about what you do and be sure this is the right fit. Because when skills and passion combine – it creates that 'Wow' moment.

  • Step One

    It starts with you...

    You'll start by submitting your application to a specific role. We try to keep this step as simple as possible. We do get a lot of applications, but we review them all. If you're a good fit to the role, a recruiter will follow up with you directly. If you didn't receive a reply, or were unsuccessful this time around, we encourage you to look for other possible matches at On.

  • Step Two

    Interview with a recruiter

    What ignites your spirit? This is where we’ll start getting to know all about you and what makes you tick – and it’s your first chance to get a feel for our culture. Chatting with a member of our talent team, you’ll learn more about On and how we work. We’ll learn about what motivates you and what you could bring to the team.

  • Step Three

    Interview with a hiring manager

    Ready to dig into the details? This second interview will be held with your future manager and will focus on the specifics of the job. Together you’ll delve into your unique skills and experiences and how they could be relevant at On. It's also a time to assess how you might feel working side-by-side. Bring any questions you have about the job, the team or anything else you might like to know – this is an open forum.

  • Step Four

    The Case Study

    What's your style? This task will help us understand how you think, face a challenge and give insight into your novel ideas. Designed to give everyone their best shot, your case study is based on something you might typically experience on the job. This is your chance to show us what you’ve got. So express yourself. Be you.

  • Step Five

    The Experience Day

    Your first taste of the Oniverse. This is a time to meet some of the people you'll be working closest with. In person or virtually, you'll get a feel for the day-to-day at On and the people who make it happen. You'll chat with a few potential teammates - the conversations will be as equally driven by the role and your experience as by our values. We believe how you do things is just as important as what you do.

  • Step Six

    The Result

    Are we a good fit? We’ll get together internally to share our feedback and decide if we’re a match. We know that job searching is a big time investment, so it’s not a decision we take lightly. It’s also time for you to reflect on the experience – are we the right place for you? No matter the outcome, we’ll give you meaningful feedback.

Step One:

It starts with you...

You'll start by submitting your application to a specific role.

We try to keep this step as simple as possible. We do get a lot of applications, but we review them all. If you're a good fit to the role, a recruiter will follow up with you directly. If you didn't receive a reply, or were unsuccessful this time around, we encourage you to look for other possible matches at On.

The organisation

On
  • Sporting Goods & Apparel
  • Zurich, Switzerland
  • 2000+ employees
  • Website

Ignite the human spirit through movement

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