*instinctools is a software development company that provides custom software solutions for businesses of all sizes. Our team works closely with clients to understand their specific needs and provide personalized solutions that meet their business requirements.

*instinctools is looking for a Senior ML Engineer for one of our clients. 

Location: Europe, Poland, Kazakhstan 

Client: is a global mobility and urban services platform that allows users to book rides or other services and negotiate the fare directly with the service provider. It offers a variety of services including ride-hailing, intercity travel, delivery, and task assistance, operating in over 700 cities across 47 countries and is the second most downloaded mobility app in the world.

Duration of cooperation: 6+ months

Responsibilities and tasks:

  • Design and build the deep learning systems behind search ranking, session-based recommendations, and multi-objective personalization, learning from rider behavior and serving users across markets
  • Make ranking consume geographic context and own the recommendation and ranking of pickup points
  • Translate business goals into ML objectives with non-functional requirements
  • Lead evaluation end-to-end, from offline metrics to the design of online A/B tests, and prove a change improves engagement before it ships
  • Partner with backend engineers to take models from prototype to production, including model serving and latency
  • Partner with the product manager and operations to turn behavior analysis into concrete features and requirements
  • Own the ML lifecycle in production, serving, monitoring for drift and building the retraining pipelines that hold quality as data shifts

Our expectations of the ideal candidate: 

  • 5+ years of machine learning engineering experience
  • 3+ years of them building and deploying deep learning models in production
  • Experience with search, NLP, ranking, recommendation, or relevant systems
  • Expert-level proficiency in Python and its core data science libraries and SQL (e.g., PySpark, Pandas, NumPy, Scikit-learn, PyTorch)
  • The ability to design an ML system from scratch in at least one area, including data analysis, annotation, and processing through to a model serving in production
  • Experience turning a business goal into an ML problem with the right proxy metrics and non functional requirements, and designing or substantially contributing to the A/B tests and statistical evaluation that prove impact on user behavior
  • Experience using MLOps tools and practices to manage the ML model lifecycle
  • Experience deploying models to production on ML serving infrastructure and optimizing for latency, and awareness of concept drift and how to detect and manage it

Nice to have:

  • An academic background in a quantitative field such as Computer Science, Mathematics, or a related discipline will be a plus
  • Experience fine tuning and deploying large language models (or small language models), for query understanding or relevance
  • Subject matter depth in geocoding or autocomplete relevance specifically
  • Experience in mapping, location, or geospatial products
  • Experience building for developing markets, where the underlying map and address data is weak
  • Experience with BigQuery or Databricks certifications
  • Subject matter depth in search, geocoding, ranking, or recommendation systems

English: Upper-Intermediate 

Soft skills:

  • The ability to influence teammates and partner teams, and to communicate complex results clearly

We offer:

  • flexible working time 
  • professional and ambitious team
  • learning opportunities, seminars and conferences and time for exploring new technologies
  • co-funding for language courses (English)

Important Notice Regarding Your Personal Data Security

At *instinctools, we take the security of your personal data very seriously. Please be informed that all official communication, offers, and correspondence from *instinctools are conducted only through our verified company resources, including:
Official Email Domain: @instinctools.com
Company Website: https://www.instinctools.com
Important Reminder:
*instinctools will NEVER ask for sensitive personal or financial information, including:
– Bank account details
– Credit/debit card numbers
– Passwords or PINs
If you receive any suspicious requests claiming to be from *instinctools via unofficial channels (e.g., personal emails, social media DMs, or phone calls), please:
– Do not respond or share any information.
– Report it immediately to compliance@instinctools.com or your official contact.
Your trust and security are our top priorities. For any questions, always verify through our official channels.

Thank you for your attention and cooperation.

Viktoryia Dziarbeyeva
Viktoryia Dziarbeyeva Recruiter
We will be glad to see you in our team!

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    Developers

    *instinctools is a developer of IT solutions for Western Europe. We have over 350 projects in our portfolio. The spheres are different – from healthcare and medicine, training and education, to digital advertising, economics and IT. For the software implementation and maintenance across such a number of projects, competent developers are important.

    We use a modern technology stack, the key of which are:

    Javascript, ReactJS, Angular, Node.js, Golang, Python, Java, iOS, Android, Blockchain, AWS.

    Join the *instinctools team!

    *instinctools Poland
    We have had a representative office in Poland (Warsaw) since 2021. Our Polish team consists of highly qualified and experienced specialists – most of them are Middle to Senior level Developers.
    Right now we’re on the lookout for bright and innovative minds to join our professional team!