Principal Software Engineer, Mastercard

• Deep understanding of cloud providers including AWS and Azure, especially:
• Experience with AI and GenAI-related cloud services, especially: AWS SageMaker, AWS Bedrock, Azure ML. This should include common commercial Foundational Models (FM) from OpenAI, Anthropic, etc, as well as open-source LLM models deployed in the cloud
• Services, Access controls, Integration and Automation….etc
• GenAI LLM Platform Experience: Model Evaluation, Model API patterns and implementations, Model Governance, Retrieval Augmented Generation, Orchestration, Prompt Libraries, Agents, Tools/Functions, Prompt/Tuning, Chunking Methods, Vector Stores/DBs/Embeddings, Foundational LLM Models (commercial and open source), Model Hubs, Fine-Tuned Models
• AI-related Data Platforms (i.e. DataBricks, IBM watsonx, or similar)
• GenAI Code Assistants and Developer Experience (i.e. GitHub Copilot, AWS Code Whisperer, etc.)
• Deep AI/ML experience with data science, data analytics, etc
• Solid understandig of cloud security In highly regulated market segments and countries
• Solid experience with site reliability engineering mindset and creating solutions that are resilient, supportable and observable at all layers of the stack
• Deep understanding of automation using various tools
• Deep understanding of observability In a cloud environment
• Proficient In web service design, standards, best practices and Implementation
• Deep understanding of containerization and designing ephemiral solutions
• Solid understanding of pure kubernetes and cloud provider based managed services kubernetes
• Proven track record of delivering solutions to complex, multi-domain environments
• Ability to articulate complex designs and solutions to people with varying levels of technical aptitude
• Experienced in guiding less experienceed engineers with the use of pair programming, code reviews, design reviews…etc
• Deep knowledge in migration from legacy technologies and mindset to the best In class solutions for the cloud
• Self-Driven and able to navigate complex organizational environments
• Strong communication skills both written and verbal
• Strong understanding of different project management methodologies Including waterfall and Agile/Scrum
• Strong understanding of all phases of the SDLC process from design to deployment
• Enthusiastically engages engineers across Technology organizations to promote standard software patterns and reuse of common libraries and services with experience leading open-source development efforts
• Champions performance engineering practices to ensure that performance meets (or exceeds) expectations; educates stakeholders on performance testing processes, methodology, performance and scalability metrics, capacity modeling techniques, and testing approaches
• Understands software development productivity metrics (e.g., code churn, commit size, commits/story) and help teams to remove blockers and continuously improve code velocity, quality, and release frequency
• Experienced with Python, Java, and other programming languages

• Design, configure, and implement a Gen. AI platform, including MLOps/LLMOps for Gen. AI LLMs, both commercial and open source
• Ensure alignment to appropriate patterns and standards for cloud integration and automation
• Identify opportunities for reuse and Improved efficiency
• Engage with IT and Business parters, product owners and stakeholders to create meaningful roadmaps to ensure the most Important work Is prioritized
• Champion all Mastercards engineering principles
• Actively participate as a member of the Software Engineering Guild sharing your knowledge, best practices, ideas, and passion for technology
• Help Identify and drive meaningful behavior changing metrics
• 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

• Gym membership
• Share purchase options
• Extra holiday purchase optional
• Work from home opportunities
• Health insurance

Mastercard is in the global payments business, and operates the world's fastest payments processing network. Its products and solutions have become central to everyday commerce across the world, in activities ranging from shopping and travelling to running businesses.