Staff Data Scientist, Applied AI Apply now
Staff Data Scientist, Applied AI

Staff Data Scientist, Applied AI

London Full-Time 43200 - 72000 £ / year (est.)
Apply now
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At a Glance

  • Tasks: Lead the design and deployment of LLM-based solutions to enhance product features.
  • Company: Join Checkout.com, a top fintech empowering businesses in the digital economy.
  • Benefits: Enjoy a collaborative culture, flexible work options, and opportunities for personal growth.
  • Why this job: Be at the forefront of AI innovation while working with diverse teams globally.
  • Qualifications: Expertise in LLMs, Python, and strong analytical skills required.
  • Other info: We value diversity and support your success in a welcoming environment.

The predicted salary is between 43200 - 72000 £ per year.

Company Description

Checkout.com is one of the most exciting fintechs in the world. Our mission is to enable businesses and their communities to thrive in the digital economy. We’re the strategic payments partner for some of the best-known fast-moving brands globally such as Wise, Hut Group, Sony Electronics, Homebase, Henkel, Klarna, and many others. Purpose-built with performance and scalability in mind, our flexible cloud-based payments platform helps global enterprises launch new products and create experiences customers love. And it’s not just what we build that makes us different. It’s how.

We empower passionate problem-solvers to collaborate, innovate, and do their best work. That’s why we’re on the Forbes Cloud 100 list and a Great Place to Work accredited company. And we’re just getting started. We’re building diverse and inclusive teams around the world – because that’s how we create even better experiences for our merchants and our partners. And we need your help. Join us to build the digital economy of tomorrow.

Job Description

As a Staff Data Scientist specialising in Large Language Models (LLMs), you will play a critical role in harnessing the power of advanced NLP technologies to drive innovation and efficiency across our enterprise. As part of Checkout.com’s AI centre of excellence, you will lead LLM-based solutions’ design, development, and deployment, collaborating with cross-functional teams to deliver impactful AI-driven applications.

How you’ll make an impact:

  1. In collaboration with product managers and engineers, research, scope and validate use cases where LLMs can improve Checkout.com’s product features and business processes.
  2. Design, develop, and fine-tune LLMs for various applications such as chatbots, virtual assistants, text generation, and more.
  3. Ensure we have the right processes and tools to curate and preprocess large datasets for training and evaluating LLMs, implement strategies for data augmentation, labeling, and annotation.
  4. As the technical thought leader, increase the AI fluency in the wider business through supporting training programs and mentoring others.
  5. Ensure that LLM applications adhere to ethical standards and comply with relevant regulations.

Qualifications

  1. Proven track record of developing and deploying LLM-based solutions in an enterprise setting as a senior/staff scientist.
  2. Proficiency in Python and libraries such as TensorFlow, PyTorch, Hugging Face Transformers, and spaCy. Strong understanding of LLM architectures (e.g., GPT, BERT, T5) and experience fine-tuning them for specific tasks.
  3. Demonstrable experience in utilising different model architectures and training techniques to optimize performance.
  4. Familiarity with prompt engineering techniques and frameworks like LangChain, LlamaIndex, or DSpy. Good understanding of LLM models, including other components like VectorDBs and document loaders.
  5. Strong analytical and problem-solving skills, with the ability to work with complex datasets and extract meaningful insights.
  6. Excellent verbal and written communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  7. Strong ability to collaborate and communicate with a large and varied group of stakeholders to embed AI into workflows and product features.

Nice to have:

  1. Experience with conversational AI and chatbot development.
  2. Familiarity with ethical considerations and best practices in AI.
  3. Previous experience in a mentorship or leadership role within a data science team.

Additional Information

We believe in equal opportunities

We work as one team. Wherever you come from. However you identify. And whichever payment method you use.

Our clients come from all over the world – and so do we. Hiring hard-working people and giving them a community to thrive in is critical to our success.

When you join our team, we’ll empower you to unlock your potential so you can do your best work. We’d love to hear how you think you could make a difference here with us.

We want to set you up for success and make our process as accessible as possible. So let us know in your application, or tell your recruiter directly, if you need anything to make your experience or working environment more comfortable. We’ll be happy to support you.

Take a peek inside life at Checkout.com via

  1. Our Culture video
  2. Our careers page
  3. Our LinkedIn Life pages
  4. Our Instagram

#J-18808-Ljbffr

Staff Data Scientist, Applied AI employer: Checkout.com

At Checkout.com, we pride ourselves on being a leading fintech that fosters a culture of innovation and collaboration. As a Staff Data Scientist specializing in Applied AI, you'll have the opportunity to work with cutting-edge technologies in a diverse and inclusive environment, where your contributions directly impact our mission to empower businesses in the digital economy. With a strong focus on employee growth, mentorship, and ethical AI practices, we ensure that you not only thrive professionally but also enjoy a fulfilling work experience.
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Contact Detail:

Checkout.com Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Staff Data Scientist, Applied AI

✨Tip Number 1

Familiarize yourself with the latest advancements in Large Language Models (LLMs) and their applications in fintech. This knowledge will not only help you understand the role better but also allow you to discuss innovative ideas during your interview.

✨Tip Number 2

Engage with the AI community by participating in relevant forums, webinars, or meetups. Networking with professionals in the field can provide insights into industry trends and may even lead to valuable connections at Checkout.com.

✨Tip Number 3

Prepare to showcase your experience with Python and popular libraries like TensorFlow and PyTorch. Be ready to discuss specific projects where you've implemented LLMs, as practical examples can significantly strengthen your candidacy.

✨Tip Number 4

Highlight your ability to communicate complex technical concepts to non-technical stakeholders. This skill is crucial for the role, so think of examples where you've successfully bridged the gap between technical and non-technical teams.

We think you need these skills to ace Staff Data Scientist, Applied AI

Proficiency in Python
Experience with TensorFlow and PyTorch
Knowledge of Hugging Face Transformers and spaCy
Strong understanding of LLM architectures (e.g., GPT, BERT, T5)
Experience in fine-tuning LLMs for specific tasks
Familiarity with prompt engineering techniques
Understanding of VectorDBs and document loaders
Analytical and problem-solving skills
Ability to work with complex datasets
Excellent verbal and written communication skills
Collaboration skills with diverse stakeholders
Experience in conversational AI and chatbot development
Familiarity with ethical considerations in AI
Previous mentorship or leadership experience in data science

Some tips for your application 🫡

Understand the Role: Before applying, make sure you fully understand the responsibilities and qualifications for the Staff Data Scientist position. Familiarize yourself with LLMs, NLP technologies, and the specific tools mentioned in the job description.

Tailor Your CV: Customize your CV to highlight relevant experience in developing and deploying LLM-based solutions. Emphasize your proficiency in Python and any specific libraries or frameworks that are mentioned, such as TensorFlow or PyTorch.

Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for AI and data science. Discuss how your background aligns with Checkout.com's mission and how you can contribute to their innovative projects. Mention any experience you have with ethical AI practices.

Showcase Collaboration Skills: In your application, provide examples of how you've successfully collaborated with cross-functional teams in the past. Highlight your ability to communicate complex technical concepts to non-technical stakeholders, as this is crucial for the role.

How to prepare for a job interview at Checkout.com

✨Showcase Your LLM Expertise

Be prepared to discuss your experience with large language models in detail. Highlight specific projects where you've developed or deployed LLM-based solutions, and be ready to explain the architectures you used, such as GPT or BERT.

✨Demonstrate Problem-Solving Skills

Prepare examples that showcase your analytical and problem-solving abilities. Discuss how you've tackled complex datasets and extracted meaningful insights, especially in relation to improving product features or business processes.

✨Communicate Clearly with Non-Technical Stakeholders

Practice explaining complex technical concepts in simple terms. Since you'll need to collaborate with various stakeholders, being able to communicate effectively is crucial for ensuring everyone understands the value of AI-driven applications.

✨Emphasize Collaboration and Mentorship

Highlight your experience working in cross-functional teams and any mentorship roles you've held. Discuss how you've supported training programs or increased AI fluency within your previous teams, as this aligns with Checkout.com's values.

Staff Data Scientist, Applied AI
Checkout.com Apply now
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  • Staff Data Scientist, Applied AI

    London
    Full-Time
    43200 - 72000 £ / year (est.)
    Apply now

    Application deadline: 2027-01-09

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    Checkout.com

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