Join LSEG’s World-Check Risk Intelligence - Agentic Content Curation Platform

Empowering due diligence with trusted data and cutting-edge technology. World-Check Risk Intelligence provides accurate, reliable information and powerful tools to support compliance with due diligence obligations, including Know Your Customer (KYC) screening and anti-money laundering (AML) requirements.

We are seeking a highly skilled and motivated Senior Principal AI Engineer responsible for designing, developing, and delivering high-quality software solutions. This role emphasizes deep technical proficiency, innovation, and hands-on development, including advanced work in AI technologies such as prompt engineering and large language models (LLMs). The ideal candidate will serve as a technical authority, proving concepts with latest AI technology or practices in the form of a spike or proof of concept. This role will be also responsible for pushing the boundaries of what is possible, turning vision or concept into a technical solution, driving best practices and ensuring scalability, performance, and security across systems.

Key Responsibilities

• Develop and refine prompt engineering strategies for LLM-based applications.

• Integrate and optimize Large Language Models (LLMs) into products and workflows.

• Collaborate with AI teams to improve model performance and user experience.

• Stay current with emerging technologies, frameworks, and AI advancements.

• Prototype and evaluate new tools and methodologies for adoption.

• Design cost-effective AI infrastructure optimized for latency and throughput

• Design and implement complex, scalable, and secure applications.

• Write clean, efficient, and maintainable code in Java, Python, and other high-level languages.

• Provide architectural guidance and ensure adherence to best practices.

• Optimize system performance and troubleshoot critical issues.

• Work closely with product managers, QA, and other developers to deliver high-quality solutions.

• Participate in code reviews and contribute to technical documentation.

• Advocate for automation, testing, and continuous integration practices.

• Ensure compliance with security and regulatory standards

• Champion observability, AI Ops, and real-time monitoring across distributed system

Qualifications

• 12+ years in software development, with a least a year in AI Development.

• Extensive experience in software development and system architecture.

• Proven ability to deliver complex projects with high technical standards.

• Strong technical background in Java, Python, and/or other high-level programming languages.

• Expertise in designing scalable and secure systems.

• Hands-on experience with AI tools and frameworks, including:

  • Prompt Engineering for LLMs (e.g., OpenAI GPT, Anthropic Claude).

  • Model fine-tuning and deployment.

  • AI integration into enterprise applications.

  • Prompt management tools (Langfuse)

  • Knowledge of vector databases, embeddings, and retrieval-augmented generation (RAG).

• Experience with cloud platforms (AWS preferred , Azure, GCP).

• Familiarity with CI/CD pipelines and modern development tools.

• Nice to Have : Hands-on experience building AI infrastructure (evaluation pipelines, prompt/version management, vector/embedding stores, model serving) and optimizing / fine-tuning models for latency, quality, and cost.

• Nice to Have : Experience with model evaluation harnesses and automated prompt regression.

  Background in cost optimization for AI workloads.

Career Stage:

London Stock Exchange Group (LSEG) Information:

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.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

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.

Location: THA-Bangkok-One Bangkok

Time Type: Full time