At a Glance
- Tasks: Design and develop innovative AI software solutions using cutting-edge technologies.
- Company: Join LSEG, a global leader in financial markets with over 300 years of excellence.
- Benefits: Enjoy healthcare, retirement planning, paid volunteering days, and growth opportunities.
- Other info: Be part of a diverse team that values innovation and offers career advancement.
- Why this job: Make an impact in AI development and work on exciting, high-quality projects.
- Qualifications: Experience in software development and AI, with strong skills in Java and Python.
The predicted salary is between 80000 - 100000 £ per year.
Company Overview
LSEG (London Stock Exchange Group) is a diversified global financial markets infrastructure and data business dedicated to excellence and open‑access partners. With a heritage of 300+ years, LSEG enables businesses to fund innovation, manage risk and create jobs worldwide.
Role Summary
The Principal AI Engineer is a senior technical expert responsible for designing, developing, and delivering high‑quality software solutions, with a focus on AI technologies such as prompt engineering and large language models (LLMs). The role emphasizes deep technical proficiency, innovation, and hands‑on development across scalable, secure, and performance‑critical systems.
Responsibilities
- Software Development
Design and implement complex, scalable, and secure applications. Write clean, efficient, and maintainable code in Java, Python, and other high‑level languages. - Technical Expertise
Provide architectural guidance and ensure adherence to best practices. Optimize system performance and troubleshoot critical issues. - AI Development
Develop and refine prompt engineering strategies for LLM‑based applications. Integrate and optimise Large Language Models (LLMs) into products and workflows. Collaborate with AI teams to improve model performance and user experience. - Innovation & Research
Stay current with emerging technologies, frameworks, and AI advancements. Prototype and evaluate new tools and methodologies for adoption. Work closely with product managers, QA, and other developers to deliver high‑quality solutions. Participate in code reviews and contribute to technical documentation. - Process & Quality
Advocate for automation, testing, and continuous integration practices. Ensure compliance with security and regulatory standards.
What You'll Bring
- Proven experience in software development with at least a year in AI Development.
- Extensive experience in system architecture and delivering complex projects.
- Strong technical background in Java, Python, and 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, Azure, GCP).
- Familiarity with CI/CD pipelines and modern development tools.
Benefits
Healthcare and retirement planning. Paid volunteering days and wellbeing initiatives. Opportunities for professional growth and career advancement.
Equal Opportunity Employer
LSEG is a proud equal opportunities employer. We do not discriminate on the basis of 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. We accommodate applicants’ and employees’ religious practices and mental health or physical disability needs in compliance with applicable law.
Principal AI Engineer employer: LSEG
LSEG is an exceptional employer that fosters a culture of innovation and collaboration, particularly for the Principal AI Engineer role. With a commitment to employee growth through professional development opportunities, a focus on wellbeing initiatives, and a diverse and inclusive work environment, LSEG stands out as a leader in the financial markets sector, offering meaningful and rewarding employment in a dynamic London setting.
StudySmarter Expert Advice🤫
We think this is how you could land Principal AI Engineer
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with people on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your AI projects, especially those involving prompt engineering and LLMs. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and problem-solving skills. Practice coding challenges and be ready to discuss your past projects in detail. We want to see how you think and approach problems!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at LSEG.
We think you need these skills to ace Principal AI Engineer
Some tips for your application 🫡
Tailor Your Application:Make sure to customise your CV and cover letter for the Principal AI Engineer role. Highlight your experience with AI technologies, especially prompt engineering and LLMs, to show us you’re the perfect fit!
Showcase Your Technical Skills:Don’t hold back on detailing your technical expertise! We want to see your proficiency in Java, Python, and any other high-level languages you've worked with. Include specific projects or achievements that demonstrate your skills.
Be Clear and Concise:When writing your application, keep it clear and to the point. Use bullet points where possible to make it easy for us to read through your qualifications and experiences quickly.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at LSEG
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Java, Python, and AI technologies like prompt engineering and LLMs. Be ready to discuss your past projects and how you've applied these skills in real-world scenarios.
✨Showcase Your Problem-Solving Skills
Prepare to tackle some technical challenges during the interview. Think about how you would optimise system performance or troubleshoot issues. Practising coding problems can help you feel more confident.
✨Stay Current with AI Trends
Familiarise yourself with the latest advancements in AI and related tools. Being able to discuss emerging technologies and how they could benefit the company will show your passion and commitment to innovation.
✨Emphasise Collaboration
Highlight your experience working with cross-functional teams, especially with product managers and QA. Share examples of how you've contributed to code reviews and technical documentation, as teamwork is key in this role.
