Software Engineer II - Java

Mastercard Inc.; Oslo fylke; On-site; NOK 750,000 - 1,100,000; Full time

Job summary

Mastercard Inc. in Oslo is seeking a Software Engineer II - Java to contribute to continuous delivery of core payments services within Mastercard Payment Services for the Nordics.

You will work with a skilled team to refine requirements, maintain existing services and implement new features. You are self-driven, proactive, and curious, with strong Java backend experience, REST API development, and a customer-first approach.

Qualifications

• Experience in back-end Java development.
• Experience in developing and maintaining REST APIs.
• Customer-focused mindset with emphasis on quality and teamwork.

Responsibilities

• Drive functional requirements from specification to release.
• Design, develop, and maintain scalable Java-based services.
• Write high-quality, well-tested code.
• Deliver production-quality code using enterprise tools.
• Troubleshoot complex issues across systems and environments.
• Collaborate in an agile environment and document work in Jira/Confluence.
• Adhere to enterprise quality standards, processes and build control strategies.
• Work with business and development teams to define test plans and schedules.
• Leverage AI tools to boost productivity for relevant tasks.

Skills

Java

REST APIs

Backend development

Agile

Tools

Jira

Confluence

Job description

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 - Java

Are you ready to join a high performing team shaping the financial solutions of tomorrow - and strengthening the trust that millions of people across the Nordics depend on every day? Mastercard Payment Services operates critical account-to-account payment services in our region.

Role:

In this position you will work with the continuous delivery of our products and services in Mastercard Payment Services related to bank and ERP integrations. Working in line with our strategic goals, you will work as part of a skilled application team, refining requirements, maintaining existing services and developing new customer features. In this role you will act as a partner for fellow developers and testers, as well as for our product owner and wider business function to discuss solutions and functionality.

All About You:

The ideal candidate for this position must be self-driven, proactive and curious. Have knowledge and experience with back-end development (we work in java). Have experience in developing and maintaining REST APIs. Have the customer view as a leading priority. Be quality focused, doing things the right way. Be outcome-focused in everything you do.

What will you do:

• Work with developers and testers to drive functional requirements from specification to release


• Design, develop, and maintain scalable and reliable software solutions aligned with business needs


• Write high-quality, maintainable, and well-tested code


• Utilize relevant Mastercard tools to deliver quality code to production in an efficient manner


• Troubleshoot and resolve complex technical issues across systems and environments


• Work according to an agile methodology together with our team, documenting your work using tools such as Jira and Confluence


• Adhere to and implement enterprise quality standards, processes and tools, and develop and implement build control strategies


• Interacts with business and the rest of the development team to define test plans and schedules


• Leverage AI tools to enhance productivity for relevant tasks

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and 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.

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.