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Mastercard

Principal Applied AI App Engineer

Mastercard

Published 13 May 2026
Bogota, Colombia
Full Time

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Role Highlights

Languages used

Python
Java
C#

Key skills

Deep Learning
Prompt Engineering
Machine Learning
Data Science
API
Data Structures
System Design
Data Quality
Information Security
AI Engineer
LLMs
Generative AI
Reliability
Automation
Deployment
RAG
Cloud

Tools, Libraries and Frameworks

AWS
Azure
GCP
Ruby On Rails

Description

The role involves serving as a design lead for AI-based solutions within an evolving ecosystem. The engineer will design and develop production-grade applications that incorporate machine learning and generative AI capabilities. Responsibilities include integrating trained models into APIs, services, workflows, and user interfaces. The position requires collaborating with data science and engineering teams to operationalize models and manage their deployment, monitoring, and updates. Additionally, the role focuses on implementing guardrails for model behavior and ensuring applications adhere to enterprise standards for security, privacy, and ethical usage.

Required Qualifications and Skills

The role requires advanced expertise in integrating generative AI, LLMs, prompt engineering, and RAG architectures into business applications. Candidates must possess extensive experience in deploying production-grade AI applications that utilize evaluation, observability, and monitoring. Strong proficiency in software engineering languages such as Python, Java, or C# is necessary. Furthermore, familiarity with cloud platforms and containerized deployments is required, alongside a solid understanding of data structures, algorithms, and system design.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Mastercard

Size

38185

HQ

Purchase, US

Description

MasterCard is framed as a technology company in the global payments business, emphasizing its role in connecting various stakeholders worldwide and enabling the use of secure and convenient electronic forms of payment. It describes its mission as working to connect and power an inclusive digital economy that benefits everyone everywhere by ensuring transactions are safe, simple, smart, and accessible. The company culture is driven by a decency quotient (DQ), cultivating an inclusive environment that values individual strengths, views, and experiences. It leverages secure data, networks, partnerships, and a passion for innovation to support various entities, including individuals, financial institutions, governments, and businesses, in realizing their potential.

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