## Senior Solution Architect LeadApply: Hybrid: Pune Maharashtra India: Full time: Posted Today: End Date: November 3, 2026 (6 days left to apply): 261002704**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.------------------------------------------------------## **Job Family Group:**Technology------------------------------------------------------## **Job Family:**Applications Development------------------------------------------------------## **Time Type:**Full time------------------------------------------------------## **Most Relevant Skills**Please see the requirements listed above.------------------------------------------------------## **Other Relevant Skills**For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------*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.**If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review* *Accessibility at Citi.* *View Citi’s EEO Policy Statement and the Know Your Rights poster.*