Senior Data Scientist

14 hours ago

Helsinki, Uusimaa, Finland Nosto Full time

Who we are

At Nosto, we're on a mission to make every impression relevant. As a global leader in AI-powered e-commerce personalization, we empower thousands of brands and merchants worldwide to deliver cutting-edge, machine-learning-driven experiences. Our platform powers tens of billions of visitors annually and handles peak traffic of 3 million transactions per minute.

As a Senior Data Scientist you will serve as a liaison between software engineers and data scientists, with a focus on maintaining our research and development at the forefront of artificial intelligence. As the company's resident AI expert, you will collaborate closely with data engineers and data scientists within the Data and AI team.

We operate in a low-hierarchy, politics-free, and collaborative engineering environment where solving real customer problems is our top priority. Our technology stack leverages behavioral data, deep integrations, machine learning, and automated workflows, allowing brands to create fully personalized commerce experiences at scale.

Responsibilities:

  • Drive state-of-the-art machine learning research and development, ensuring our models and solutions remain innovative and effective.
  • Collaborate with product managers and engineers to transform ideas and concepts into robust AI-driven solutions for our customers.
  • Mentor team members and ensure best practices in ML engineering and research.
  • Collaborate on AI research with international partners, university researchers, and Master's Thesis students.

Requirements:

  • Industry working experience in a relevant role (4+ years)
  • MSc. degree in Computer Science, Mathematics, Artificial Intelligence or related field
  • Solid experience in working with SQL, and Python beyond Jupyter Notebook
  • Experience working with MLOps pipelines (incl. model monitoring and canary deployments etc.) and technologies such as AWS Sagemaker
  • Hands-on experience with Large Language Models, including pretraining, fine-tuning, RAG, and integrating LLMs into production environments.
  • Fluency in English

What we appreciate:

  • Familiarity integrating and working with data warehouses and data processing pipelines (e.g. Snowflake, Spark, Flink etc.)
  • Experience with machine learning frameworks and libraries such as TensorFlow, Pytorch or Scikit-learn.
  • Experience with transformers
  • Experience with distributed systems with large volumes of data

What we offer:

  • Apple Devices
  • Engineering is also given a selection of one AI tool subscription (e.g. Github Copilot, chatGPT)
  • Flexible work environment - Ergonomic and centrally located offices with flexible working hours and remote working options
  • Opportunities to meet and collaborate with awesome team members from all over the world
  • An extra day off on your birthday
  • Mental Health App benefit
  • Paid time off to do good for the community around you
  • About five weeks of vacation and other benefits depending on the location
  • Summer Fridays - enjoy shorter workdays in summer

More about Nosto

At Nosto, we believe in working together to reach a common vision. We're a team of talented and earnest professionals who love a good challenge—but we also love to have fun while doing it.

Having offices in 9 different locations worldwide means you'll be working in a multinational company alongside colleagues from different backgrounds and cultures. We proudly foster a positive, diverse, and supportive culture, and one of the things we constantly get positive feedback on is our strong work-life balance—whether for family needs or personal interests.

As a company, we value small, working pieces over a 'work in progress', and we've even built our own deployment system to make deployments fun and seamless.

Due to the seasonality of e-commerce, we face exciting technical challenges during peak shopping seasons. Some of the global brands we work with handle massive flash sales, generating huge traffic spikes. You will help ensure we can meet these expectations and contribute to load testing and performance optimization to maintain our lightning-fast response times.

With terabytes of data and a rapidly growing customer base, we continuously evaluate and challenge our technology choices, ensuring we always use the best tools for the job.

Nosto Supports Workplace Diversity

We are committed to Equal Employment Opportunity without regard for race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or veteran status. If you have a disability or special need that requires accommodation, please let us know.

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