Lead Software Engineer (Python, Java, JS, Postgres, MySQL, DynamoDB, Milvus/Pinecone)

Lead Software Engineer (Python, Java, JS, Postgres, MySQL, DynamoDB, Milvus/Pinecone) 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. Team: The Marketing and Messaging team is responsible for delivering hyper-personalized messages and experiences that will delight the customer, attract prospects and drive increasing business value. The team builds scalable platforms that deliver omnichannel messages in owned and paid Adtech channels. What You’ll Do: Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions using data movement tools and technologies Work, as a lead developer, with a team of developers with deep experience in data movement, distributed computing, and full stack systems Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful exper [... source excerpt omitted ...] mmunity Perform unit tests and conduct reviews with other team members to make sure the code is rigorously designed, elegantly coded, and effectively tuned for performance Basic Qualifications: Bachelor’s Degree At least 4 years of experience in software engineering (Internship experience does not apply) At least 1 year experience with cloud computing (AWS, Microsoft Azure, Google Cloud) Preferred Qualifications: Master's Degree Experience leveraging AI-assisted coding tools (Claude Code, GitHub Copilot) to accelerate the software delivery 7+ years of experience in at least one of the following: JavaScript, Java, TypeScript, SQL, Python, or Go Solid fundamentals in API design [... source excerpt omitted ...] , and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City’s Fair Chance Act; Philadelphia’s Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries. If you have visited our website in search of information on employment opportunities or to a