Solution Architect (Data & AI)

Role Summary
We are seeking a Business Consultant who can bridge business needs and technical execution, combining pre-sales advising hands-on delivery. This role involves engaging with clients to find opportunities, 

and building prototypes (POCs), and implementing solutions that leverage Generative AI/LLMs and diverse financial datasets (market, textual, financial statements).

You will work with cloud platforms (Azure, AWS, GCP), modern data ecosystems (Databricks, Snowflake, Microsoft Fabric), and sophisticated AI frameworks to deliver impactful solutions.
Business-level Japanese for client engagement and English for global teamwork are meaningful. Come join our team in Tokyo!

• Lead discovery sessions to understand client challenges and define AI-related use cases.  
• Develop and build prototypes and POCs or equivalent experience integrating Generative AI/LLMs with financial data to demonstrate business value.  
• Prepare and deliver presentations, demos, and proposals that clearly articulate benefits and technical feasibility.  
• Support RFP/RFI responses, solution positioning, and driven differentiation in collaboration with sales teams.  

• Translate client requirements into solution architectures demonstrating Azure, AWS, GCP and data platforms (Databricks, Snowflake, Fabric).  
• Implement AI-enabled applications, APIs, and data pipelines; integrate solutions into client environments.  
• Work with various data sources and formats, including SFTP/FTP feeds, REST/GraphQL APIs, streaming data, and both structured (quantitative) and unstructured (qualitative) datasets.  
• Apply sophisticated frameworks like LangChain, LlamaIndex, GraphRAG, CausalReference, and code-focused LLMs (Claude Code, Gemini, Codex) for rapid development.  
• Ensure secure, scalable, and high-performance implementations aligned with financial industry standards.  
• Provide knowledge transfer and enablement to client teams post-delivery.  

• Pre-sales experience: Client workshops, requirement gathering, solution build, and proposal creation.  
• Delivery experience: Hands-on implementation of AI/ML solutions, APIs, and data workflows in production environments.  
• Solid understanding of Generative AI/LLMs (RAG build, prompt engineering, data integration).  
• Proficiency in cloud platforms (Azure, AWS, GCP) and API development (REST/GraphQL).  
• Experience handling multiple data sources (SFTP/FTP, APIs, batch and streaming) and working with structured and unstructured data.  
• Programming skills in Python and SQL; experience with Git/GitHub and CI/CD workflows.  
• Ability to communicate effectively in business-level Japanese and collaborate globally in English.  
• Proficiency in Object-Oriented programming in Python with expertise in key data science and machine learning libraries (e.g. TensorFlow, PyTorch and Scikit-Learn)

• Familiarity with financial services workflows (capital markets, wealth management, AML/KYC).  
• Experience with Databricks, Snowflake, Microsoft Fabric for data engineering and analytics.  
• Knowledge of LangChain, LlamaIndex, GraphRAG, CausalReference, and code-generation LLMs (Claude Code, Gemini, Codex).  
• Strong presentation and storytelling skills for both technical and business audiences.  

• Comfortable working across pre-sales and delivery, from idea to implementation.  
• Skilled at rapid prototyping and demonstrating value quickly.  
• Experienced in working with diverse data ecosystems and integrating multiple data sources into AI-related solutions.  
• Passionate about AI innovation and applying new technologies to real-world financial use cases.​

• Diverse environment

• English as primary language to work with internal partners

• Collaborative team culture

• Hybrid working: 4 days in the office, 1 day at home

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.