Senior Java Tech Lead - Payments & Platform Resilience

Mastercard Inc.; Oslo; On-site; NOK 900,000 - 1,200,000; Full time

Job summary

Mastercard Inc. in Oslo is seeking a Lead Software Engineer - Java who designs, builds and operates secure, scalable payment software.

You will combine hands-on development with technical leadership, collaborating with product, operations, architecture and risk teams to deliver reliable services. You bring deep Java expertise (8+), experience with Spring, Docker and cloud-native patterns, and a passion for quality, automation and continuous improvement, while mentoring colleagues and shaping

Qualifications

• Strong experience designing, developing, integrating, testing, and maintaining production software systems.
• Good understanding of architecture patterns, system design, performance, resilience, and maintainability.
• Experience with secure coding, code quality, code reviews, troubleshooting, root cause analysis, and corrective actions.
• Practical knowledge of automation, DevOps toolchains, cloud-native patterns, and service integration.
• Experience building testing into delivery, including unit, functional, integration, regression, performance, resilience, and acceptance testing.

Responsibilities

• Design, build, integrate, and improve secure, scalable applications and services.
• Take ownership of complex service issues and coordinate resolution across teams.
• Work with product partners and stakeholders on priorities, trade-offs, and technical roadmaps.
• Improve delivery quality through automation, code reviews, testing, scanning, and standard engineering practices.
• Use incident learnings to strengthen stability, resilience, and continuous improvement.
• Introduce new technologies and reusable patterns within enterprise guidelines.

Skills

Production software systems

System design

Performance

Resilience engineering

Secure coding

Code reviews

Automation

Testing

Mentoring engineers

Cross-team collaboration

Tools

Core Java

Spring

Spring Boot

Hibernate

Maven

Jenkins

Linux

Git

Oracle

Docker

React JS

Job description

Mastercard Inc. in Oslo is seeking a Lead Software Engineer - Java who designs, builds and operates secure, scalable payment software.

You will combine hands-on development with technical leadership, collaborating with product, operations, architecture and risk teams to deliver reliable services. You bring deep Java expertise (8+), experience with Spring, Docker and cloud-native patterns, and a passion for quality, automation and continuous improvement, while mentoring colleagues and shaping