Senior Software Engineer

🚀 Join AltaPay and Help Shape the Future of Payments

Looking for your next role in a global fintech company where innovation, agility, and impact go hand in hand?

Welcome to AltaPay.

💡 Who We Are

Headquartered in Copenhagen, AltaPay is a leading fintech company delivering state-of-the-art omni-channel payment solutions.

We help business of all sizes to handle transactions and streamline their finances globally, with our end-to-end payments and financial management solutions

Our solution streamlines reporting, ensures PCI-DSS compliance, and create seamless, engaging payment experiences for merchant’s customers.

Our customer base is growing fast and so is our ambition.

Ready to be part of something big? Keep reading 👇

🔧 What You’ll Be Doing

As part of our agile engineering team, you’ll work at the heart of our core payment platform alongside passionate and skilled developers.

You will be responsible for developing our payment processing API and the underlying services that power it. This includes integrating with a wide range of third-party APIs and protocols, unifying diverse payment methods, and making them easily accessible for merchants.

You’ll Also

• Own all phases of the development lifecycle, from design to deployment
• Propose and implement innovative technical solutions
• Embrace and promote software engineering best practices
• Collaborate with our DevOps team to automate and secure the deployment process
• Contribute to the stability, scalability, and performance of our platform
  
  

🧠 Who We’re Looking For

You’re more than a developer — you’re a problem-solver, a team player, and someone who genuinely cares about building high-quality software.

We Think You’ll Thrive Here If You

• Have 5+ years of experience as a software engineer
• Are fluent in PHP or Java, and understand design patterns deeply
• Work comfortably in Unix-like environments (Mac or Linux)
• Have experience with relational and/or NoSQL databases
• Are quick to pick up new languages and tools when needed
• Have a pragmatic mindset with a strong focus on automation
• Can understand and simplify complex systems
  
  

Bonus Points If You

Have hands-on experience with Java 17+, Docker, Kubernetes, Elastic, AWS or Serverless

Have worked in the payments industry (Visa, MasterCard, PayPal, MobilePay…)

Come with an Agile background and live by that mindset

🎁 What We Offer

• At AltaPay, we believe great work starts with a great environment.
• A key role in an ambitious fintech company with real impact
• A diverse and inclusive team (we speak 12+ languages!)
• A relaxed, down-to-earth atmosphere where collaboration matters
• Flexible working hours and hybrid working model
• Competitive salary, additional health insurance, phone allowances
• Wide variety of Company Events and travel to Copenhagen and Paris.
  
  

🤝 Meet the Team

We’re a group of tech enthusiasts, problem-solvers, and collaborators. We take our work seriously but not ourselves. Expect regular laughs, knowledge-sharing, and the occasional social event (yes, the dress code is casual – even at the party).

At AltaPay, diversity isn’t a buzzword it’s our strength.

We celebrate differences, support inclusivity, and create space for everyone to thrive. No matter who you are, you’re welcome here.

✨ Join us – and let’s build the future of payments together.

Should we state somewhere that AltaPay is part of MarketPay now? And use this as part of the narrative for the accelerated growth ?

If the employee is in Vilnius, we will bring him/her at least 2 times a year to Copenhagen for our company wide events, and there might be occasions where they go to Paris for other workshops.

Founded in 2016, Market Pay knows the European retail ecosystem and its payment stakes.

Based on its knowledge of payment within Carrefour Group, Market Pay is now providing its expertise and solutions on payment value chain to new clients. Leveraging an industrial platform, Market Pay simplifies new payment means acceptance and acquiring - both online and POS; offers payment cards – prepaid, gift; and enables new user experience for checkout.

As an active member in financial and regulatory institutions, Market Pay makes a real contribution to the future of payment of its clients.