Payments to grow your world.
About Worldline
Worldline is a global leader in payment technology, helping businesses grow faster—securely and efficiently. Our solutions power millions of businesses across five continents. As we help our clients scale, we’re equally committed to accelerating the careers of our people. Together, we shape the future of payments.
The Opportunity
Join us as we grow across European markets with innovative payment solutions. We’re looking for experienced Senior .NET Developers with a DevOps mindset to join a skilled, agile team dedicated to delivering modern, high-quality products and services.
Your Role
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Develop and maintain our Payment Gateway, the core system for secure payment processing between terminals and banks.
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Build and enhance APIs, customer portals, reporting tools, and integrations with financial institutions.
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Work on infrastructure-as-code in our private cloud environment.
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Take full ownership of the development lifecycle: architecture, coding, testing, deployment, and operations.
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Collaborate closely with team members to deliver robust, scalable systems.
Your Profile
We’re seeking passionate developers who are:
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Eager to learn, stay updated, and share knowledge.
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Great team players with strong communication skills.
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Experienced in designing scalable systems within microservices and containerized environments.
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Comfortable with technologies like C#, .NET (Core/Framework), MariaDB, PostgreSQL, RabbitMQ, Docker, Vue.js, and DevOps tools (e.g., Git, Terraform, Prometheus).
Required Experience
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5+ years in building scalable, high-availability systems.
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Strong expertise in C#/.NET, database design, and test automation.
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Familiar with CI/CD pipelines, web technologies, and cloud automation tools.
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Fluent in English, both written and spoken.
Perks & Benefits
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Flexible hybrid work model
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Modern offices in Halmstad or Stockholm
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Competitive pension and parental leave benefits
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Health check-ups, private healthcare, wellness allowance
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Access to a benefits portal with various employee offers
Why Worldline?
Be part of a global team of 18,000+ innovators across 40+ countries. You’ll work on impactful projects with cutting-edge technologies and have access to learning opportunities to boost your career. We value diversity and provide an inclusive, supportive workplace for all.
Apply now and help shape the evolution of payments.