Principal AI Data Scientist

Anaplan; Greater London; On-site; GBP 110,000 - 170,000; Full time

Job summary

Anaplan is seeking a versatile Principal Data Scientist to work across the full AI stack, from model integration to user interfaces. You will architect and deploy cutting-edge AI solutions that drive intelligent, forward-looking decisions for global customers, bridging traditional predictive methods with generative systems.

You will lead advanced modeling, GenAI architecture, and production-scale deployments, while mentoring teams and shaping a culture of technical excellence within a dynamic,

Qualifications

• Extensive professional engineering experience across AI/ML or related domains.
• Deep knowledge of Transformer architectures, prompt engineering and conversational AI patterns.
• Experience fine-tuning LLMs (LoRA, QLoRA, RLHF) for enterprise apps.
• Model-to-production lifecycle with MLOps and monitoring.
• Strong Python and modern software development practices (CI/CD).
• Hands-on ML/DL, including Timeseries forecasting.

Responsibilities

• Lead research and design of ML/GenAI models for planning challenges.
• Architect GenAI solutions and fine-tune LLMs for enterprise data tasks.
• Design and integrate Conversational AI and autonomous workflows.
• Collaborate with Engineering, Product, and Design to scale production systems.
• Mentor cross‑functional teams and promote technical excellence.

Skills

Transformer models

Prompt engineering

LLMs

MLOps

Python

Timeseries forecasting

Production deployment

CI/CD

Mentoring

Tools

Cloud platforms (AWS/GCP/Azure)

CI/CD pipelines

Job description

At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market.

What unites Anaplanners across teams and geographies is our collective commitment to our customers’ success and to our Winning Culture.

Our customers rank among the who’s who in the Fortune 50. Coca-Cola, LinkedIn, Adobe, LVMH and Bayer are just a few of the 2,400+ global companies who rely on our best-in-class platform.

Our Winning Culture is the engine that drives our teams of innovators. We champion diversity of thought and ideas, we behave like leaders regardless of title, we are committed to achieving ambitious goals, and we love celebratingour wins – big and small.

Supported by operating principles of being strategy-led, values-based and disciplined in execution, you’ll be inspired, connected, developed and rewarded here. Everything that makes you unique is welcome; join us and let’s build what’s next - together!

About the Role

We're seeking a versatile Principal Data scientist who can work across the full stack of Anaplan AI applications, from model integration and prompt engineering to building intuitive user interfaces. In this role, you will have a direct impact on our industry-leading platform by architecting and deploying cutting‑edge AI solutions that drive intelligent, automated, and forward‑looking decision‑making for our global customers. You will bridge the gap between traditional predictive algorithms and modern generative systems.

Your Impact

• Advanced Modeling & Predictive Analytics: Lead the research, design, and implementation of advanced Machine Learning, Deep Learning, and Timeseries Forecasting models to solve complex enterprise business and planning challenges.
• Generative AI Architecture: Architect GenAI solutions, focusing on fine‑tuning proprietary and open‑source Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks.
• Next-Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic AI workflows, creating intuitive experiences that can independently execute complex planning tasks.
• Production & Scale: Collaborate with Engineering, Product, and Design teams to transition AI models from early prototypes into robust, highly scalable production systems.
• Technical Leadership: Serve as a core subject matter expert, mentoring cross‑functional teams and driving a culture of technical excellence, rigorous testing, and continuous learning.

Your Skills

• Extensiveprofessional engineering experience across Artificial Intelligence, Machine Learning, or related domains.
• Deep technical understanding of Transformer architectures, prompt engineering, and conversational AI patterns, alongside practical experience with autonomous agent frameworks.
• Experience fine‑tuning LLMs (e.g., LoRA, QLoRA, RLHF) specifically for domain‑specific enterprise applications.
• Taken responsibility of models from concept to production, utilising strong MLOps and LLMOps practices to ensure scalable, reliable, and monitorable deployments.
• High proficiency in Python and modern software development practices, including rigorous testing, code reviews, and CI/CD pipelines.
• Strong hands‑on experience in traditional Machine Learning and deep learning techniques, specifically including Timeseries Forecasting algorithms.

Desirable

• Background in Computer Science, Artificial Intelligence, Statistics, Data Science, or a related quantitative field.
• Experience working with scalable cloud infrastructure (AWS, GCP, or Azure) and MLOps tools for model training, monitoring, and deployment.
• Background in forecasting, planning, or analytics applications
• Familiarity with Anaplan or similar enterprise planning platforms
• Experience with A/B testing and experimentation frameworks for AI features
• Contributions to open‑source ML projects or research publications

Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB)

We believe attracting and retaining the best talent and fostering an inclusive culture strengthens our business. DEIB improves our workforce, enhances trust with our partners and customers, and drives business success. Build your career in a place where diversity, equity, inclusion and belonging aren’t just words on paper – this is what drives our innovation, it’s how we connect, and it contributes to what makes us a market leader. We believe in a hiring and working environment where all people are respected and valued, regardless of gender identity or expression, sexual orientation, religion, ethnicity, age, neurodiversity, disability status, citizenship, or any other aspect which makes people unique. We hire you for who you are, and we want you to bring your authentic self to work every day!

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, perform essential job functions, and receive equitable benefits and all privileges of employment. Please contact us to request accommodation.