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Lead - D365 Engineer (Finance)

  • London, UK
  • Full time
  • Competitive
  • 3rd September 2025
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Full Description

In short

In the dynamic landscape of On, the tech thrives much like a spirited runner: always moving, always improving. We are building technology that continues to supercharge the growth of On, helping to ignite the human spirit through movement.

As an integral part of our D365 F&O team at On, you'll find yourself at the heart of a fast-paced, diverse environment. Our ecosystem thrives on collaboration — a confluence of curious minds challenging and learning from one another, always seeking the uncharted. Here, we venture into new territories of technology, continuously refining our approach and embracing challenges head-on.

In this role, you will play a critical part in designing, developing, and implementing D365 solutions that optimize our finance operations and enhance our customer experiences. You will be a technical leader, providing guidance and mentorship to team members.

Your Mission

D365 Implementation and Customization:

  • Lead and participate in the full lifecycle of D365 projects, including requirements gathering, design, development, testing, deployment, and support.
  • Develop custom solutions within D365 F&O (Finance and Operations)to meet specific business needs in the retail industry.
  • Configure and customize D365 modules relevant to finance
  • Integrate D365 with other business systems (e.g., CRM, ERP, e-commerce platforms).

Technical Expertise:

  • Possess deep technical understanding of D365 architecture, development frameworks (X++, .NET), and data management.
  • Write clean, efficient, and well-documented code.
  • Conduct code reviews and ensure adherence to development best practices.
  • Stay current with the latest D365 features, updates, and industry trends.

Solution Design:

  • Translate business requirements into technical specifications and design documents.
  • Propose and evaluate different technical solutions to address complex finance challenges.
  • Contribute to the overall architecture and design of D365 solutions.

Teamwork and Mentorship:

  • Collaborate effectively with cross-functional teams
  • Provide technical guidance and mentorship to developers.
  • Share knowledge and best practices with the team.

Problem Solving and Support:

  • Troubleshoot and resolve technical issues related to D365 implementations.
  • Provide ongoing support and maintenance for existing D365 systems.
  • Proactively identify and address potential system performance bottlenecks.

Your story

  • 6+ years of experience in Dynamics 365 development and implementation, with a specific focus on the retail industry.
  • Strong proficiency in X++, TypeScript, .NET, C#, and related technologies.
  • Experience with D365 F&O modules relevant to finance (GL,AP,AR etc.)
  • Knowledge of D365 data management and integration tools.
  • Experience with Azure DevOps/Jira or similar tools for source control and CI/CD.
  • Understanding of finance business processes (e.g., accounting, controlling, financial planning & reporting).

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. We ask that you allow around 14 days for us to come back to you with a response. If you are a good fit to the role, someone will follow up with you within that window. 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. We ask that you allow around 14 days for us to come back to you with a response. If you are a good fit to the role, someone will follow up with you within that window. 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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