Senior Principal AI Engineer (ADL)
atLSEG (London Stock Exchange Group)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.
Experience required
- 1 years
Salary
- Negotiable
Job function
- IT / Programming
- Research (R&D) / Science
Job type
- Full-time
Company overview
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep ...
Why join us: 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, Pa ...
Benefits
- Annual bonus
- Corporate Social Responsibility Initiatives
- Dental Insurance
- English lessons
- Five-day work week
- Flexible working hours
- Health Insurance
- Provident fund
- Social Security
- Performance bonus
- Hybrid Working
- Professional development
- Maternity leave
- Learning & Development Opportunities
