Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Machine Learning Engineer

£58.2 - £64.9 per hourEstimated

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!

Role Summary

We're seeking a Principal Machine Learning Engineer who can work across the full stack of Anaplan AI applications, from model integration and prompt engineering to building intuitive user interfaces. You'll build production-ready AI features that empower business users to leverage the power of GenAI within their planning workflows, requiring both deep ML knowledge and strong software engineering skills.

Your Impact

  • Lead the architecture, design, and deployment of scalable Generative AI and Machine learning systems into production environments.
  • Develop end-to-end GenAI features including backend API services, model integration, model monitoring, evaluations and deployments
  • Integrate and optimise LLMs for specific use cases in business planning, including prompt engineering, RAG implementation
  • Build conversational interfaces and agentic workflows that make complex planning tasks accessible through natural language
  • Implement evaluation frameworks to measure and improve GenAI feature quality, including accuracy, latency, and user satisfaction metrics
  • Design and develop APIs that expose AI capabilities to Anaplan's platform and third-party integrations
  • Optimise model inference pipelines for performance, cost, and scalability in production environments
  • Implement monitoring, logging, and observability for GenAI systems to track usage, errors, and model behaviour
  • Collaborate with data scientists to productionise ML models and forecasting algorithms

Your Skills

  • Extensive hands-on professional experience in the field of Artificial Intelligence, Machine Learning, or related engineering domains.
  • End-to-end exposure in model lifecycle development, including extensive experience training and deploying ML models in production environments.
  • Deep knowledge of LLM APIs, prompt engineering, and conversational AI patterns.
  • Experience in fine-tuning LLMs for domain-specific enterprise applications.
  • Strong expertise in MLOps and LLMOps, ensuring scalable, reliable, and monitorable model deployments.
  • Experience with agentic frameworks and autonomous agent architectures.
  • Proficiency in Python and modern software development practices (testing, code review, CI/CD).
  • Proven track record of delivering complex technical projects on time with high quality

Desirable

  • Advanced degree (Master's or Ph.D.) in Computer Science, Artificial Intelligence, Machine Learning, or a strongly related quantitative field
  • Hands-on experience with cloud-native ML infrastructure platforms
  • Knowledge of vector databases (Pinecone, Weaviate, Qdrant) and embedding models
  • Experience with model serving frameworks (vLLM, TensorRT, Ray)
  • Experience with A/B testing and experimentation frameworks for AI features
  • Contributions to open-source ML projects or research publications
  • Experience with model observability tools (LangSmith, W&B, MLflow)

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.

#J-18808-Ljbffr
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Principal Machine Learning Engineer in London vacancy
  • £115k - £150k per annumEstimated
     ...equitable relationships and friendships can start and grow. Machine Learning sits at the heart of that mission, helping us...  ...personalisation experiences that bring people together. As our Principal Machine Learning Engineer, Matching & Recommendations, you’ll help define the... 
    Principal
    Long-term contract
    Live-in
    Immediate start

    Bumbleinc

    London
    4 days ago
  • £77k - £101k per annumEstimated
     ...Financial Services Business unit, we bring everything we have learned in more than a decade of Applied AI, and use it to help...  ...with safe deployment. About the role As a Principal Machine Learning Engineer, you will serve as a high-level technical authority, steering... 
    Principal
    Long-term contract
    Hybrid working
    Flexible hours

    Faculty AI

    London
    10 hours ago
  • £70k - £92k per annumEstimated
     ...know if you need any reasonable adjustments throughout the recruitment process Job Description We're looking for a Principal Machine Learning Engineer to join our Search & Discovery team and help define the technical direction of AI-powered fashion discovery at ASOS.... 
    Principal
    Extra income
    Long-term contract
    Flexible hours

    ASOS.com

    London
    3 days ago
  • £113k - £146k per annumEstimated
     ...Required skills ~ AV Engineering Before the detail, here's the challenge you'd help...  ...vehicles safely, and the ecosystem a billion machines will run on in the future. Very few...  ...re passionate about autonomy and keen to learn, we encourage you to apply even if you don... 
    Principal
    Long-term contract
    Full-time
    Hybrid working
    Relocation package
    Visa sponsorship
    On-site
    Remote
    Flexible hours
    Shift work
    London
    5 days ago
  • £82k - £108k per annumEstimated
     ...software, data and technology-enabled businesses, making Pipedrive the fifth unicorn from Estonia. We are looking for a Principal AI/ML Scientist & Engineer to lead a growing team of Applied Scientists and AI/ML Engineers. This is a role for a pragmatic "Builder-Scientist" -... 
    Principal
    Full-time

    pipedrive

    London
    more than 2 months ago
  • £70k - £92k per annumEstimated
     ...messaging works at Spotify — moving from short-term optimization toward systems that understand long-term user journeys. By combining reinforcement learning approaches with deeper domain signals, we’re expanding how machine learning shapes the entire messaging funnel.... 
    Long-term contract
    Permanent
    Temporary

    spotify

    London
    more than 2 months ago
  • £100k - £200k per annum

     ...Senior Machine Learning Engineer, London I'm working with a highly technical organisation, a new client of ours and a global hedge fund, that wants a Machine Learning Engineer focused on the systems that make ML work, not on building models. What you'll be working on:... 
    Long-term contract

    Arcus Search

    London
    2 days ago
  • £86k - £112k per annumEstimated
     ...organisation that is making a significant investment in AI and Machine Learning, building new AI Innovation teams to develop and deploy next-...  ...This is an opportunity for an experienced Machine Learning Engineer to play a key technical role in designing and building greenfield... 

    James Chase

    London
    3 days ago
  • $15k per annum

     ...is a technology company that applies state-of-the-art AI and machine learning techniques to real-world problems in finance. For nearly two decades...  ...catered lunches, and more. As a Senior Machine Learning Engineer on one of Voleon's Research teams, you will partner directly... 
    Long-term contract

    Voleon

    London
    2 days ago
  • £46k - £62k per annumEstimated
     ...adjustments throughout the process in whatever way works best for you. Job Description We're looking for a Senior Machine Learning Engineer to join our Search & Recommendations team, where we're building the machine learning systems that help millions of... 
    Extra income
    Full-time
    Flexible hours

    ASOS

    London
    23 days ago
  • £58k - £77k per annumEstimated
     ...platform used by millions. Job Description At ASOS, machine learning is a core part of how millions of customers discover products,...  ...every day. We're looking for a Senior Machine Learning Engineer to join our Customer & Martech team. In this role, you'll help... 
    Extra income
    Full-time
    Immediate start
    Flexible hours

    ASOS

    London
    27 days ago
  • £43k - £55k per annumEstimated
     ...adjustments throughout the process in whatever way works best for you. Job Description We're looking for a  Senior Machine Learning Engineer  to join our Search and Recommendations  team, where we're building the next generation of AI-powered fashion experiences... 
    Extra income
    Full-time
    Flexible hours

    ASOS

    London
    19 days ago
  •  ...G MASS Consulting are supporting a leading Audit and Advisory business. We’re looking for a Machine Learning Engineer to shape and scale their pricing technology. In this role, you’ll design and own ML platforms that streamline pricing workflows, support rapid model deployment... 

    G MASS

    London
    more than 2 months ago
  • £56k - £72k per annumEstimated
     ...impact, innovation and growth drive everything we do. Our Global Engineering teams tackle complex technical challenges across a global,...  ..., riders and partners every day. We're looking for a Machine Learning Engineer to join our London office as part of a Global DoorDash... 
    Long-term contract
    Hybrid working
    On-site
    Flexible hours

    Deliveroo

    London
    13 days ago
  • £5k per annum

     ...want our people to operate with this mindset so that we can achieve our ambitions. The Role We are looking for a Senior Machine Learning Engineer to bring intelligent automation and predictive capability to the heart of the UK property market. Alto sits at a unique... 
    Full-time

    Alto

    London
    more than 2 months ago
  • £63k - £84k per annumEstimated
     ...Recommendations team develops the platforms, infrastructure and machine learning systems that power personalised product discovery, ranking,...  ...high-scale production systems that enable data scientists and ML engineers to rapidly develop, deploy and monitor machine learning... 
    Extra income
    Long-term contract
    Full-time
    Flexible hours

    ASOS

    London
    23 days ago
  • £81k - £106k per annumEstimated
     ...environment. Whether it’s building award-winning games or crafting engine technology that enables others to make visually stunning...  ...computer vision,  gameplay agents, natural language processing, and machine learning to create state-of-the-art tools to support game developers in... 
    Flexible hours

    Epic Games

    London
    16 hours ago
  • £57k - £74k per annumEstimated
     ...impact, innovation and growth drive everything we do. Our Global Engineering teams tackle complex technical challenges across a global,...  ...riders and partners every day. We're looking for a Senior Machine Learning Engineer to join our London office as part of a Global... 
    Long-term contract
    Hybrid working
    On-site
    Flexible hours

    Deliveroo

    London
    10 days ago
  • £82k - £107k per annumEstimated
     ...Senior ML Engineer - Biomedical AI London - Hybrid (3 days a week in the office) We are partnering with a research-driven...  ...researchers and MLOps engineers, you'll help build production ready machine learning systems that are scalable, maintainable and built to the... 
    Permanent
    Full-time
    Hybrid working
    On-site
    London
    1 day ago
  • £76k - £101k per annumEstimated
     ...At Longshot Systems we build advanced platforms for sports betting analytics and trading. We're hiring Machine Learning Engineers across our core ML engineering and horse racing teams. You'd be designing, building and productionising ML pipelines, tooling, visualisation,... 
    Long-term contract
    Full-time
    Hybrid working
    On-site
    Monday to Friday
    Flexible hours
    1 day/week

    Longshot Systems Ltd

    London
    more than 2 months ago
  • £76k - £100k per annumEstimated
     ...vehicles safely, and the ecosystem a billion machines will run on in the future. Very few...  ...Collaborating with adjacent ML and performance engineering teams to hand off models, define...  ...experience training and iterating on deep learning models in PyTorch, beyond high-level... 
    Long-term contract
    Hybrid working
    Relocation package
    Visa sponsorship
    On-site
    Remote
    Flexible hours
    Shift work

    Wayve

    London
    2 days ago
  • £69k - £90k per annumEstimated
     ...About us Re-architecting Engineering for the Age of Intelligence PhysicsX is the physics AI company for industrials. The company...  ...and career goals. Who We're Looking For As a Senior Machine Learning Engineer in Delivery, you are an experienced problem solver and... 
    Long-term contract
    Hybrid working
    On-site
    Work from home

    PhysicsX

    London
    more than 2 months ago
  • £72k - £93k per annumEstimated
     ...vehicles safely, and the ecosystem a billion machines will run on in the future. Very few...  ...️ About our ADAS Team Wayve's ADAS engineering teams build the perception and intelligence...  ...: Built and shipped CV-focused deep learning systems, with strong applied ML engineering... 
    Long-term contract
    Full-time
    Hybrid working
    Relocation package
    Visa sponsorship
    On-site
    Remote
    Flexible hours
    Shift work

    wayve

    London
    12 hours ago
  • £57k - £76k per annumEstimated
     ...multidisciplinary team of clinicians, scientists, and engineers. What unites us is our open culture, continuous learning mindset, and a shared mission to help biopharma...  ...and clinical partners, we are building the machine learning engineering capability required to train,... 
    Long-term contract
    Full-time
    Immediate start

    Qureight Ltd

    London
    more than 2 months ago
  • £51k - £65k per annumEstimated
     ...We are hiring a Senior Machine Learning Engineer to contribute to cutting-edge Research & Development. As innovators in speech technology, our mission is to Understand Every Voice - a vision that has propelled us to be world leaders of Voice AI. Fuelled by innovation, inclusivity... 
    Internship
    Hybrid working
    On-site
    Remote
    Work from home
    Flexible hours
    3 days/week

    Speechmatics

    London
    18 days ago
  • £43k - £56k per annumEstimated
     ...successful games company in the world, and we’re just getting started. Role Overview Join Tripledot Studios as a Senior Machine Learning Engineer working on dynamic pricing and recommender systems use cases in our games. The work involves tabular machine learning,... 
    Long-term contract
    Hybrid working
    On-site
    Remote
    Work from home
    Shift work

    Tripledot Studios

    London
    27 days ago
  • £72k - £95k per annumEstimated
     ...intelligent systems that can understand, evaluate, manage, and route content reliably at global scale. We’re hiring Senior Staff Machine Learning Engineers to build and scale foundational ML systems that power content understanding, safety, policy enforcement, and decisioning... 
    Permanent

    spotify

    London
    more than 2 months ago
  • £56k - £73k per annumEstimated
     ...We are looking for an engineer with experience in low-level systems programming and optimisation to join our growing ML team.  Machine learning is a critical pillar of Jane Street's global business. Our ever-evolving trading environment serves as a unique, rapid-feedback... 
    Full-time

    Jane Street

    London
    16 hours ago
  • £150k - £175k per annum

     ...Machine Learning Engineer King's Crosss £150,000 - £175,000 We are hiring four people at senior and lead levels. Senior engineers own major capabilities, lead engineers also set technical direction and mentor others. About Descrial Descrial is a startup inside a... 
    Hybrid working
    On-site
    5 days/week

    Maxwell Bond

    London
    4 days ago
  • $85 per hour

     ...Angelo , Larry Summers , and Jack Dorsey . Position: ML Engineer (Coding Agent Experience) Type: Contract...  ...frontier AI coding agents to complete and evaluate complex machine learning and AI engineering tasks. Review model-generated implementations... 
    Remote job
    Summer work

    Mercor

    London
    more than 2 months ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Machine Learning Engineer. Be the first to apply!