Software Engineer II
Mastercard
- Location
- Copenhagen, Denmark (Arne Jacobsens)
- Work model
- On-Site
- Level
- Mid
- Posted
- Sep 11, 2026
Skills
About this role
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview
The Open Finance Platform Engineering team's mission is to provide cloud native tooling and application frameworks that are highly available, scalable, and a software development lifecycle (SDLC) that '’just works.’' Engineers working on this team are experts in software development and DevOps toolchain to build and continually enhance developer experience and productivity Role We demonstrate 'Mastercard Way' cultural values every day - own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive – with a relentless focus on our customers. As a Software Engineer 2 at Mastercard, you are expected to carry out the following general duties: • Help estimate and work on delivery tasks (design, dev, test, deployment, configuration, documentation) to meet the business requirements • Automate build, operate, and run aspects of software • Participate in code/design/process trade-off discussions within their team when required • Understand status and risks within their primary application/service • Work on integration of services focusing on customer journey and experience • Assist in demos/acceptance discussions in interacting with Product owners • Understands operational and engineering experience, actively works to improve experience and metrics • Develop understanding of end-to-end technical architecture and dependency of systems • Help adoption of technology standards and opinionated frameworks, and review coding, test, and automation work within the team All About You The ideal candidate for this position should have: • Beginner to Intermediate skill in software architecture • Beginner skill in automation and DevOps • Beginner to Intermediate skill in cloud platforms (AWS preferred) • Beginner to Intermediate skill in software development • Beginner skill in container-based software deployment practices • Beginner skill with Kubernetes or managed Kubernetes services • Experience or willingness working in cross-functional and large projects with globally dispersed development resources • Has the ability to write secure code in a common language (e.g., C, Golang, Python, Terraform, JavaScript) and familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) • Beginner to Intermediate skills in CVE management • Beginner skills with innovation and thought leadership • Understands internals of operating systems (Windows, Linux) to write interoperable and performant code • Understands and implements standard branching (e.g., Gitflow) and peer review practices Corporate Security Responsibility Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving