We are Citi’s Markets team—a group of passionate and talented engineers, product managers, and tech specialists transforming ambiguous ideas into cutting-edge, scalable products. We specialize in Generative AI, backend engineering, and cloud-native architectures to develop mission-critical systems at a global scale. Our team is at the forefront of innovative AI-powered applications, large-scale infrastructure, and modern backend development using Java, Python, Golang, Spring Boot, Flask, and Kubernetes. We focus on integrating RAG-powered LLMs, implementing advanced vector search (FAISS, Milvus, Pinecone), and building scalable and high-performance AI-driven solutions.

You Might Be a Good Fit If You:

Have deep hands-on software engineering expertise in Java or  PythonThrive in a results-driven, flexible environmentHave experience with backend development for AI-powered systemsEnjoy building high-performance APIs using Spring Boot, FlaskWant to develop AI-powered applications leveraging RAG frameworks, Vector and Similarity searchHave experience with Maven or Gradle for Java project dependency managementUnderstand security best practices (Spring Security, SSO, authentication protocols)Are comfortable working with Kubernetes, Docker, and cloud-native architectures

What You’ll Do as Part of the Tech Strategy Team:

Develop AI-driven applications using Java, Python, and modern backend frameworksIntegrate LLMs into enterprise-scale systems using internal frameworks and librariesDesign and implement vector search solutions using FAISS, Milvus, and PineconeBuild scalable APIs and backend services using Spring Boot, Flask, and FastAPIOptimize data storage and retrieval with PostgreSQL/MongoDB and distributed databasesDeploy and manage cloud-native applications using Kubernetes and DockerImplement security best practices with Spring Security and SSOLeverage Maven or Gradle for efficient Java project build and dependency managementMentor and support fellow engineers, fostering a culture of learning and collaboration

Experience That Will Help You Succeed in This Role:

Proficiency in Java or  Python for backend developmentStrong knowledge of Spring Boot, Flask, FastAPI, and API designExperience with  vector search frameworks (FAISS, Milvus, Pinecone)Expertise in Kubernetes and Docker for scalable deploymentUnderstanding of authentication & security frameworks (Spring Security, SSO)Hands-on experience with PostgreSQL and distributed storageExperience with Maven or Gradle for Java project managementFamiliarity with Golang (a plus but not mandatory)Experience working in cloud-native, high-performance environmentsContributions to open-source AI/ML or backend engineering projects

Why Join Us?

Work on cutting-edge GenAI-powered applications at a global scaleCollaborate with top engineers in AI, backend, and cloud technologiesInnovate with LangChain, vector search, and cloud-native architecturesBuild enterprise AI applications that impact millions of users

If you’re excited about backend engineering for AI-powered systems, LLM integrations, and scalable infrastructure, we’d love to hear from you!

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

 

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