Software Engineer II

MasterCard; København; On-site; DKK 600,000 - 900,000; Full time

Job summary

Mastercard is seeking a Software Engineer II to join our Open Finance Platform Engineering team in Copenhagen. You will be instrumental in delivering cloud-native tooling and frameworks that enable scalable SDLC processes and a high-quality developer experience.

The role focuses on automation, integration of services, and driving secure, reliable software delivery across global teams. You will work with modern tech stacks and collaborate with product owners to ensure customer journeys are

Qualifications

• Strong fundamentals in software architecture and design.
• Experience with DevOps practices, automation, and CI/CD pipelines.
• Familiarity with cloud platforms (AWS preferred) and containerization.
• Proficiency in modern programming languages used in backend/frontend systems.
• Understanding of secure coding practices and software testing.

Responsibilities

• Estimate and deliver on tasks across design, development, testing, deployment, and documentation.
• Automate build, deploy, and run phases of software systems.
• Participate in trade-off discussions on design and implementation within the team.
• Contribute to end-to-end understanding of application architecture and dependencies.
• Collaborate with Product Owners and cross-functional teams to align on requirements and deliverables.
• Support and improve operational metrics and developer experience.

Skills

Software architecture

DevOps

Cloud platforms (AWS)

Software development

Container-based deployment

Git/CI pipelines

Tools

Kubernetes

Terraform

Python/Go/JavaScript

Job description

Purpose

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 access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position must:

• Abide by Mastercard’s security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Future

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.