Senior Solution Architect Lead

• *Discover your future at Citi**
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Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

• *Job Overview**
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• *Senior Solution Architect Lead – AI, Big Data \& Regulatory Reporting**

• *Experience: 13\-15\+ Years**

• *Domain: Regulatory Reporting \| Big Data \| Cloud \| AI/ML \| Enterprise Architecture \| Capital Markets \| RegTech**

• *Role Overview**

We are seeking a highly skilled **Senior Solution Architect Lead** to drive architecture, design, and delivery of strategic Regulatory Reporting solutions on the RHOO (RegHub on Olympus) platform. The role requires strong expertise in Big Data, Real\-Time Streaming, Cloud technologies, and AI/GenAI solutions to build scalable, resilient, and future\-ready regulatory reporting platforms.

• *Key Responsibilities**

• Define and lead end\-to\-end solution architecture for regulatory reporting platforms.
• Design scalable, low\-latency, event\-driven architectures using Kafka, Spark, Flink, and cloud\-native technologies.
• Drive delivery of complex regulatory initiatives within aggressive timelines.
• Lead architecture governance, design reviews, performance optimization, and production readiness.
• Partner with Business, Compliance, Operations, and Technology stakeholders to translate regulatory requirements into technical solutions.
• Drive data quality, lineage, governance, and reporting controls across the platform.
• Lead and mentor engineering teams, providing technical direction and architectural guidance.
• Champion adoption of AI/ML, Generative AI, and Agentic AI to improve regulatory delivery, data quality, testing, and operational efficiency.
• Design and implement AI\-powered solutions leveraging LLMs, RAG architectures, AI Agents, and vector\-search technologies.
• Drive cloud adoption, DevOps automation, and engineering best practices.

• *Required Skills \& Experience**

• *Architecture \& Engineering**

• 8\+ years of hands\-on Java development experience.
• Strong expertise in Spring Boot, Microservices, REST APIs, and Distributed Systems.
• Experience designing low\-latency streaming architectures using Kafka, Spark, Flink, and Hadoop ecosystem.
• Strong knowledge of MongoDB, NoSQL databases, Hive, Impala, Elastic Search, and Oracle.
• Experience with JMS, TIBCO, and real\-time message processing.
• Strong understanding of CI/CD, DevOps, BitBucket, Jira, and release management processes.
• Experience with AWS (ECS, S3, CodePipeline, CodeBuild, CloudWatch), Docker, Kubernetes, and OpenShift.

• *AI / GenAI**

• Strong proficiency in Python and AI application development.
• Hands\-on experience with LLMs including GPT, Claude, Gemini, and similar models.
• Experience building AI Agents using LangChain, LangGraph, CrewAI, AutoGen, or similar frameworks.
• Expertise in RAG architectures, embeddings, vector databases, and semantic search.
• Experience with Pinecone, Chroma, FAISS, or equivalent vector databases.
• Knowledge of prompt engineering, tool calling, workflow orchestration, and MCP integrations.
• Experience with LoRA/QLoRA fine\-tuning and Hugging Face ecosystem.

• *Domain \& Leadership**

• Experience delivering large\-scale Regulatory Reporting or Capital Markets solutions.
• Understanding of Trade Lifecycle Events, Order \& Execution processing, and financial messaging standards such as FIX, FpML, and ISO20022\.
• Strong stakeholder management and communication skills.
• Proven ability to lead teams and deliver strategic programs under tight regulatory timelines.
• Ability to align technology strategy with long\-term business objectives.

• *Preferred Qualifications**

• Experience implementing AI solutions within regulated financial environments.
• Exposure to Regulatory Technology (RegTech) platforms.
• Experience driving enterprise\-wide data modernization and AI transformation initiatives.

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• *Job Family Group:**
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Technology

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• *Job Family:**
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Applications Development

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• *Time Type:**
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Full time

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• *Most Relevant Skills**
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Please see the requirements listed above.

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• *Other Relevant Skills**
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For complementary skills, please see above and/or contact the recruiter.

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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.*