Senior Data Scientist

🕒 May 27

🏢🏡 London – Hybrid

⏰ Full Time

🟠 Senior

📊 Data Scientist

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Transform

WebsiteLinkedInAll Job Openings

201 - 500 employees

Consulting • Technology • Data

Transform is a tech and data consultancy that focuses on creating competitive advantage and social impact for both public and private organizations. They offer a cross-discipline approach that emphasizes strategy, research and service design, technology, data, and change delivery. Transform aims to drive growth, generate user insights, create remarkable experiences, and accelerate change by delivering startling and ambitious outcomes. They pride themselves on an inclusive, high-performance culture and a commitment to making a positive impact on people's lives, optimizing services, and supporting clients in digital transformation projects.

📋 Description

• Design, build and deploy machine learning models to solve real-world business problems, including classification and optimisation use cases • Develop and implement LLM-based applications, including prompt engineering, fine-tuning where appropriate, and orchestration of model/agent workflows via tools like LangChain. • Build and maintain RAG, GRAPH pipelines, including document ingestion, embedding generation, vector search and retrieval strategies • Evaluate model performance and trade-offs, balancing accuracy, explainability, cost and scalability • Use Python as the primary language for data science and ML development. • Write, optimise, and maintain SQL queries against relational databases to support analytics, feature generation, and model development. • Collaborate on data pipelines and feature engineering to support model development and deployment • Apply statistical and analytical techniques to inform insights and actions from the data. • Work with structured and unstructured data, including text-heavy datasets used in LLM and RAG/GRAPH solutions • Contribute to model deployment approaches with our DevOps team, including APIs, batch processes and integration with existing analytics platforms • Work with cloud-based platforms and services (e.g. AWS, Azure, GCP) to support model training, deployment and scaling • Use and evaluate modern AI tooling, frameworks and libraries (e.g. PyTorch, scikit-learn, LangChain/Graph/Smith, Vector databases, Graph Structures) • Support experimentation and prototyping, helping move promising ideas into production-ready solutions • Establish successful working relationships with business stakeholders and Domain leads to translate business problems into data science and AI solutions • Partner with the Lead Data Scientist to identify new AI-driven opportunities and help shape Transform’s AI capability and offerings • Clearly communicate complex technical concepts, assumptions and outputs to non-technical audiences • Document approaches, models and learnings to support knowledge sharing and reuse

🎯 Requirements

• Strong hands-on experience in data science and machine learning, with evidence of delivering production or near-production solutions • Solid experience building models and applying statistical techniques using Python (experience with R is desirable but not essential) • Practical experience with LLMs, including prompt engineering and building LLM-enabled applications • Experience designing or working with RAG architectures, embeddings and vector search • Strong understanding of machine learning fundamentals, including model evaluation, bias, overfitting and explainability • Experience working with cloud services for data science and AI workloads • Familiarity with MLOps or model deployment practices is desirable (e.g. versioning, monitoring, reproducibility) • Strong problem-solving skills and a pragmatic mindset. Focused on delivering value, not just experimentation • Ability to lead data science projects while collaborating effectively in multidisciplinary teams • Excellent communication skills, with the ability to explain complex concepts simply • Curiosity and enthusiasm for emerging AI technologies, with a desire to continuously learn and experiment

🏖️ Benefits

• Holiday entitlement, 28 days with the option to buy/sell up to 5 days (note that 3 days are held for Christmas holidays) • Day off (on or in the week of) your birthday • Pension eligibility, up to 5% matched contributions • Private healthcare • Life assurance • Enhanced maternity and enhanced paternity and shared parental leave • Cycle to work schemes • Gym & retail discounts • Regular social events/activities • A range of other benefits from our flexible benefits package