National AI Awards 2025Discover AI's trailblazers! Join us to celebrate innovation and nominate industry leaders.

Nominate & Attend

Senior Data Scientist & AI Engineer

proSapient
London
1 month ago
Applications closed

Related Jobs

View all jobs

Senior Data Scientist / AI Engineer

Senior Data Scientist / AI Engineer

Senior Data Scientist / AI Engineer

Senior Data Scientist / AI Engineer

Senior Data Scientist / AI Engineer...

Senior Data Scientist / AI Engineer

Every day, somewhere in the world, important decisions are made. Whether it is a private equity company deciding to invest millions into a business or a large corporation implementing a new strategic direction, these decisions impact employees, customers, and other stakeholders.

Consulting and private equity firms come to proSapient when they need to discover knowledge to help them make great decisions and succeed in their goals. It is our mission to support them in their discovery of knowledge.

We help our clients find industry experts who can provide their knowledge via interview or survey: we curate this knowledge in a market-leading software platform; and we help clients surface knowledge they already have through expansive knowledge management.

We’re on the hunt for a Senior Data Scientist to lead groundbreaking AI/ML initiatives that transform how we deliver expert recommendations, enhance information retrieval, and automate workflows. If you’re passionate about LLMs, NLP, and recommendation systems- and love seeing your work make a real commercial impact- this is the role for you!

This isn’t just about building models; it’s about solving real-world problems with AI. We need someone who thrives in a high-impact, hands-on environment, breaking down complex business challenges into well-defined data science solutions that drive tangible product and business improvements.

Why Join Us?

  • Push the boundaries of AI/ML– experiment with cutting-edge technologies in a hands-on role where your work directly impacts the business.
  • Own your impact– take full ownership and drive key decisions in a fast-paced, high-growth product environment.
  • Be a game-changer– shape our AI strategy, pioneer innovation in expert matching and knowledge retrieval, and redefine how intelligence is leveraged at scale.

Requirements

  • Develop and deploy AI/ML solutions by translating business problems into data-driven projects. Leverage state-of-the-art AI/ML models, including OpenAI, Amazon Comprehend, and open-source alternatives, for applications such as content-based recommendations, entity extraction, and text processing.
  • Design and run statistically sound experiments with datasets, working closely with the business operations team to collect relevant data and evaluating models with a focus on business impact and performance.
  • Build scalable AI/ML infrastructure by collaborating with engineering teams to deploy and optimize ML models in production, ensuring efficient use of OpenSearch/Elasticsearch, and Kafka for real-time data processing and search.
  • Drive continuous improvement and innovation by staying updated on advancements in LLMs, ML, and AI, identifying emerging techniques to enhance models, algorithms, and system performance.
  • Communicate insights effectively by presenting model results and findings to both technical and non-technical stakeholders, ensuring alignment with business objectives.

Required Qualifications

  • Strong expertise in ML/NLP, including semantic search, summarization, personalization, classification, information retrieval, and recommendation systems, with a solid understanding of ML algorithms (e.g., clustering, decision trees, gradient descent).
  • Experience with a modern ML-Ops workflows for developing and deploying models.
  • Hands-on experience with LLMs, covering prompt engineering, fine-tuning, domain adaptation (Experience with RAG and AI agents is considered an advantage).
  • Expertise in Python and any data processing frameworks and pipelines (e.g. pandas, kedro, kafka streams).
  • Knowledge of backend development for deploying production-grade models.
  • Ability to communicate complex technical concepts to both technical and business audiences.

Benefits

  • Enjoy the flexibility of working remotely for up to 20 days each year, allowing you to tailor your work environment to your needs and embrace a change of scenery.
  • Tenure Gifts.
  • Employee Assistance Programme - Access to a health and wellbeing service that offers personalised advice and support from specialist teams.
  • Enhanced Maternity & Paternity pay.
  • Annual Leave - 25 days + bank holidays which includes a week's closure over the Christmas period to fully reset.
  • MyMindPal app - Online support for mental fitness that helps people to stress less and enjoy life more.
  • Corporate Events - From quarterly gatherings to our annual winter & Summer parties, we love to celebrate, collaborate and have fun together!

Want to hear more? Take a look at our careers Notion page -https://prosapient.notion.site/Careers-at-proSapient-bfb1f316031b4dabbd9d40943cc4cc6f

We are committed to building an inclusive workplace - did you know that marginalized groups are less likely to apply to jobs unless they meet every requirement listed? If you are interested in the above role, but don't necessarily tick every box, we encourage you to apply anyway - this role could still be a great match!

At proSapient, we are an equal opportunity employer. As such, we offer equal employment opportunities without regard to race, colour, religion, sex (including pregnancy and gender identity), national origin, age, disability, genetic information, veteran status and other protected class characteristics.

All employment is decided based on qualifications, merit, and business need. Due to the regulated nature of our clients, all successfully offered candidates are subjected to thorough screening & pre-employment checks, including an enhanced background check, which can affect the outcome of any offer of employment.

National AI Awards 2025

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

AI Jobs UK 2025: 50 Companies Hiring Now

Bookmark this guide – we refresh it every quarter so you always know who’s really scaling their artificial‑intelligence teams. Artificial intelligence hiring has roared back in 2025. The UK’s boosted National AI Strategy funding, record‑breaking private investment (£18.1 billion so far) & a fresh wave of generative‑AI product launches mean employers are jockeying for data scientists, ML engineers, MLOps specialists, AI product managers, prompt engineers & applied researchers. Below are 50 organisations that have advertised UK‑based AI vacancies in the past eight weeks or formally announced growth plans. They’re grouped into five easy‑scan categories so you can jump straight to the kind of employer – & culture – that suits you. For each company you’ll find: Main UK hub Example live or recent vacancy Why it’s worth a look (tech stack, culture, mission) Use the internal links to browse current vacancies on ArtificialIntelligenceJobs.co.uk – or set up a free job alert so fresh roles land in your inbox.

Return-to-Work Pathways: Relaunch Your AI Career with Returnships, Flexible & Hybrid Roles

Stepping back into the workplace after a career break can feel like embarking on a whole new journey—especially in a cutting-edge field such as artificial intelligence (AI). For parents and carers, the challenge isn’t just refreshing your technical know-how but also securing a role that respects your family commitments. Fortunately, the UK’s tech sector now boasts a wealth of return-to-work programmes—from formal returnships to flexible and hybrid opportunities. These pathways are designed to bridge the gap, equipping you with refreshed skills, confidence and a supportive network. In this comprehensive guide, you’ll discover how to: Understand the booming demand for AI talent in the UK Leverage transferable skills honed during your break Overcome common re-entry challenges Build your AI skillset with targeted training Tap into returnship and re-entry programmes Find flexible, hybrid and full-time AI roles that suit your lifestyle Balance professional growth with caring responsibilities Master applications, interviews and networking Whether you’re returning after maternity leave, eldercare duties or another life chapter, this article will equip you with practical steps, resources and insider tips.

LinkedIn Profile Checklist for AI Jobs: 10 Tweaks That Triple Recruiter Views

In today’s fiercely competitive AI job market, simply having a LinkedIn profile isn’t enough. Recruiters and hiring managers routinely scout for top talent in machine learning, data science, natural language processing, computer vision and beyond—sometimes before roles are even posted. With hundreds of applicants vying for each role, you need a profile that’s optimised for search, speaks directly to AI-specific skills, and showcases measurable impact. By following this step-by-step LinkedIn for AI jobs checklist, you’ll make ten strategic tweaks that can triple recruiter views and position you as a leading AI professional. Whether you’re a fresh graduate aiming for your first AI position or a seasoned expert targeting a senior role, these actionable changes will ensure your profile stands out in feeds, search results and recruiter queues. Let’s dive in.