Technology Copenhagen, Denmark

(Senior) Backend Engineer

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Want to work on projects that directly impact how we serve our customers? üöÄ Do you want to use your expertise to help a company embrace the power of AI? Are you ready to take ownership of complex challenges in a fast-paced environment?

At we are democratizing the power of money and changing the way we all bank, pay, and invest. Since starting in Aarhus in 2015, we've grown rapidly and are now a in the Nordics, with offices in Copenhagen, Aarhus, and Stockholm üöÄ

So, who are we? Are we a tech company or a bank? Well, we're both breaking free from the usual categories. Here, tech isn't just a cool add-on; it's the core of how we do things. With our own banking license, we go head-to-head with traditional banks. What sets us apart is the mix of tech and financial services, giving us the power to shake up a dusty industry that's ready for a change.

As we continue our journey to becoming the best everyday bank in the Nordics, we are looking for a (Senior) Backend Engineer to help us build a more automated and AI-driven future for our platform. 🤖 As our new (Senior) Backend Engineer, you will be reporting to Eugene and play a critical role in driving the technical direction across teams focused on automating Lunar. The team is currently in the process of expanding the toolbox with e.g. AI solutions. The overarching goal is to automate manual and repetitive tasks in a scalable fashion within the broader Technology function.

What will you do?

• Design and deliver complex distributed systems to replace legacy tasks and processes currently handled by our Process Automation platform, anticipating technical risks and dependencies.
• Guide teams in the responsible and effective use of AI tooling as an increased part of our tech stack.
• Mentor engineers within the team and lead technical discussions on system design and implementation. ü§ù.
• Collaborate with other teams across the organization, helping them build and integrate new solutions, and working across different domains to solve data aggregation and integration challenges, driving projects with minimal support.
• Work in an agile environment with a high degree of autonomy, evaluate team processes to identify and implement high-impact improvements.

Curious about the Lunar culture? üíö

Everything at Lunar centers around our core - to challenge. It’s infused into our four values and guides us in how to work together, lead projects, and lead people to reach our mission. Our values aren't just words on a page - they're what make us who we are and shape the vibe of our culture. And trust me, we’re all about the vibe. For a longer read about our culture,

We're excited to welcome everyone to apply for this impactful role! We can’t wait to follow up with talents who we believe are the best fit based on the following criteria:

• Minimum of 6 years of backend experience, with a proven track record of deg and delivering complex systems at scale.
• Deep expertise in Event-driven architecture and distributed systems, balancing trade-offs to ensure system reliability and performance.
• Experience with Cloud technologies.
• Previous experience with Go is a significant advantage.
• A strong interest in AI and familiarity with solutions like OpenAI.
• Excellent collaboration and communication skills, with the ability to work effectively across different teams and domains.

Are you ready to join the journey? and let’s find out more!

While you hold on tight for us to get back to you, curious to see what we’re up to? Follow us on for business announcements and releases 📢, check out our for an inside scoop on what it’s like to work here 📸, and visit our for the latest tech and product insights! 📱🫰

Depending on the regulations in the country where you will be employed, we will ask XXXX XXXX or obtain information about your criminal record.

Department Technology

Locations Copenhagen, Denmark

Employment type Full-time

Job openings

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