Open Finance Principal Engineer & Architect

Mastercard

Rathcoole

On-site

EUR 120,000 - 180,000

Full time

7 days ago

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Job summary

Mastercard is seeking a Lead Architect to drive Open Finance platform design and delivery. You will design secure, scalable Open Banking services, and lead through hands-on coding, architecture reviews, and cross-functional collaboration.

With 8+ years in software engineering and architecture, you will guide initiatives in cloud environments (AWS/Azure/GCP), emphasize secure coding practices, and mentor engineers to raise the technical bar across teams.

Qualifications

8+ years of experience in software engineering and architecture, with strong expertise in Java, Spring Boot, Hibernate, and microservices.
Hands-on experience designing and building secure, scalable systems in cloud environments (AWS, Azure, or GCP).
Strong foundation in secure development practices, including cryptography, encryption, and secure communication protocols.
Proficiency in secure coding practices in any of modern languages - Java, C#, Python, Node.js and more. Fluency in OWASP, CWE and vulnerability management -write code that's not just functional - but fortified.
Proven ability to lead technical initiatives, especially in fast-paced, high-impact environments like Financial Services with a strong understanding of compliance needs and regulatory frameworks.
Excellent collaboration and communication skills, with the ability to influence, resolve conflicts, and align cross-functional teams.
Creative problem-solving mindset, with a passion for continuous improvement and a drive to tackle increasingly complex challenges.
Force multiplier, bar raiser, ownership mentality, and a commitment to delivering high-impact outcomes.
Experience mentoring engineers, conducting technical interviews, and helping build high-performing teams.

Responsibilities

Design and deliver robust, scalable, and secure Open Banking services that power next-generation financial experiences.
Be deeply hands-on, diving into code, architecture reviews, and design sessions to ensure technical excellence and execution.
Collaborate closely with product and business teams to shape what and how of our most critical initiatives.
Mentor engineers and tech leads, raising the bar through coaching, code reviews, and architectural guidance.
Solve the right problems the right way, applying sound judgement and balancing trade-offs between speed, scale, and sustainability.
Simplify complexity, optimize cost-benefit strategies, and drive architectural decisions that deliver long-term value.
Foster a "can-do" culture, showing bias for action, creative thinking, and a refusal to settle for the status quo.
Engage across teams, identifying reuse opportunities, breaking down silos, and contributing to enterprise-wide architectural alignment.
Lead by doing, not just directing-your technical depth and execution mindset will inspire those around you.