• Design, develop, test, deploy, maintain, and improve scalable, secure, and high-performance backend systems, focusing on high availability, low latency, and cost-effectiveness. • Be the subject matter expert in infrastructure when designing new products and introducing new technology to our existing product line. • Collaborate closely with engineering and research teams to integrate infrastructure components with product features, ensuring optimal system performance and user experience. • Design event-driven architectures and develop APIs and microservices to support real-time processing and analytics. • Ensure system reliability, performance, and scalability through monitoring, logging, and error handling mechanisms. • Stay up-to-date with emerging trends, technologies, and methodologies, applying this knowledge to enhance our infrastructure capabilities. • Participate in code reviews, contribute to open-source projects, and mentor junior engineers.

WeWork Reforma Latino (97001), Mexico, Ciudad de Mexico, Ciudad de Mexico Lead Software Engineer - Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead Software Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. What You'll Do: - Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet regulatory needs for the company - Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community - Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful experiences to help millions of Americans achieve financial empowerment - Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: - Advanced English fluency - Bachelor's Degree - At least 4+ years of experience in software engineering (Internship experience does not apply) - At least 4+ year experience with cloud computing (AWS, Microsoft Azure, Google Cloud) Preferred Qualifications: - Master's Degree - 4+ years of experience in at least one of the following: JavaScript, Java, TypeScript, SQL, Python, or Go - 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service - 4+ years of experience in open source frameworks - 4+ years of experience in Agile practices At Capital One, we respect individual differences in culture, religion, and ethnicity. Likewise, we promote equal opportunities and development for all personnel. In the hiring process, we seek to provide equal employment opportunities to candidates, regardless of race, color, religion, gender, sexual orientation, marital or civil status, national origin, disability, or any other situation protected by federal, state, or local laws. For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe, any position posted in the Philippines is for Capital One Service Corp (COPSSC), and any position posted in Mexico is for Capital One Technology Labs Mexico.

• You draft architectural decisions together with your team, Technical Lead and Product Manager • Design and develop complex software, which needs to run asynchronously, on parallel and memory efficiently • Build highly available and scalable microservices • Your code adheres to good principles and best practices, like the SOLID • You implement automated software testing (e.g. Unit-Tests) • You integrate API’s for various e-commerce import and export processes • You optimise and enhance the application's performance and scalability • Collaborate closely with other teams in the company, other stakeholders to deliver high-quality solutions. • Stay updated with the latest industry trends and technologies to continuously improve our backend infrastructure

• Drive end-to-end development of voice and chat AI systems • Build and evolve integrations with third-party AI platforms and internal Toast systems • Design and implement observability, monitoring, and outcome tracking for AI-powered support experiences • Make technical decisions grounded in production data • Partner closely with product, support operations, and AI/ML engineering teams • Contribute to technical design and architecture discussions • Mentor and support other engineers through code reviews and technical guidance