A Bit About the Company (yes, we are keeping it anonymous for now)

We are working with a fast-growing tech company that is shaking things up in the financial services world. The company and its teams are building digital tools that help both businesses and people manage payments, invoices, and debt more efficiently.

They launched a few years ago, made bold moves with both implementations and acquisitions, and have not looked back since. Think 100+% revenue growth year-over-year. They are now processing tens of millions of transactions, leading the charge in climate-neutral digital infrastructure, and rolling out automation like it is second nature.

It is a mix of scale, speed, and purpose you don’t often find and now they are looking for a Senior Integration Developer to help build and improve the core tech that makes it all work.

About the Role & What you will be doing

This is a hands-on role with a lot of responsibility. You will be building the connections that keep everything flowing: invoices, payment data, notifications, customer interactions. All of it. Whether it is getting ERP systems to talk to billing tools or setting up a smooth document pipeline, you will be right in the middle of it.

You will join a compact, skilled tech team focused on integration development and play a leading role in optimising back-end infrastructure and custom solutions From core system connections to client-specific components.

• Developing and improving system integrations: ERP, billing, APIs, and more
• Building and refining ETL pipelines to process and transform data smoothly
• Making sure everything runs securely, efficiently, and can scale
• Customising templates and building automated document generation tools
• Working across the full project lifecycle. From "What do we need?" to "It’s live!"
• Collaborating with other developers, stakeholders, and customers to build solutions that make sense
• Sharing your knowledge and helping shape the integration architecture moving forward

Who You Are

You are someone who has been around the block. You have probably worked with integrations in a SaaS, fintech, or enterprise setting and know how to juggle both big-picture architecture and practical implementation.

You likely have:

• A degree in IT, engineering, or a related field
• Several years of experience working with integrations (bonus if in fintech or digital billing)
• Solid coding experience in Java and .NET
• A good grip on ETL tools, data modelling, and data transformation
• Experience with APIs, microservices, and maybe some messaging queues
• Comfortable with handling a full dev cycle from early ideas to final deployment
• A proactive, team-friendly mindset and an eye for getting things done cleanly

Why Join?

At this company, they are not just building better systems, they are building a better financial future. Their technology supports individuals in avoiding unnecessary fees and reducing their debt burdens. They combine their tech expertise with a social mission that resonates throughout the company.

Here is what you can expect:

• A strategic, visible role in a high growth company
• Modern and new Offices in Oslo with easy public transport access
• Flexibility around structuring your workday
• A team that is driven by purpose, not just KPIs
• Salary and benefits package tailored to your experience and skills
• Plenty of room to grow in skills and scope

Your Future Team

You will join a highly dedicated tech group of integration developers and product experts. The integration team consists of skilled professionals with backgrounds in large-scale data systems, digital billing infrastructures, and cloud platforms.

The environment is open, collaborative, and big on ownership. People here are trusted to make decisions and supported when they need help.

Ready to Chat?

If this sounds like the kind of role you would thrive in, we would love to hear from you. Just hit the apply button and we will take it from there.

In case you have some questions beforehand, feel free to reach out directly to Dominik (dominik@adviat.no) or Jonas (jonas@adviat.no).