Senior Data Scientist

deepsense.ai; Polska; Hybrid; PLN 180,000 - 320,000; Full time

Benefits offered by this job

Remote work

Flexible hours

Work with AI experts

Onboarding buddy

Open-source involvement

Job summary

deepsense.ai is seeking a senior data scientist to work on end-to-end data science projects, exploring data, building models, and generating actionable business insights. You will use classical ML methods and modern techniques, with Python and libraries like NumPy, pandas, and scikit-learn, and you’ll produce analyses and visualizations that drive decisions.

Join a remote-first AI software house with flexible hours, strong collaborative culture, and opportunities to grow into AI engineering or

Qualifications

• Minimum 6 years of experience in Data Science with end-to-end delivery.
• Proficient in classical ML techniques and non-linear methods.
• Fluent in Python and SQL.
• Strong data visualization skills.
• Excellent communication and collaboration.
• Bonus: cloud, NLP/LLMs, or dashboards experience.

Responsibilities

• Handle end-to-end data science work: exploration, modeling, and insights.
• Create analyses and visualizations to support business decisions.
• Collaborate with AI experts and clients; contribute to open-source projects.

Skills

Python

SQL

Pandas

Scikit-learn

XGBoost

LightGBM

CatBoost

Data Visualization

NLP/LLMs

Communication

Tools

OpenAI

ElevenLabs

Tableau

Power BI

Dash

AWS

GCP

Azure

GitHub Copilot

Job description

Classical ML, Python, SQL, Visualisation

Employment type:

B2B

Operating mode:

Remote

Location:

Poland

Atdeepsense.ai, wewon’t just build AI solutions – we’ll shape how companies around the world use them.

• We’re anOpenAI Advanced Partner and anAnthropic Service Partner, with adirect line toboth labs’ solution engineers. Wealso build production work onElevenLabs, soyou’re getting early, hands-on access tonew models and features before they hit the mainstream.
• Explore and apply the newest tech: LLMs & RAG, MLOps, Edge Solutions, Computer Vision, Predictive Analytics.
• Tackle challenges insoftware & tech, pharma & healthcare, manufacturing, retail, telecoms & media.
• Contribute toopen-source projects – just take alook atour latest solution, ragbits, anagentic RAG framework with over 1.6k stars onGitHub.

And the best part ofworking atdeepsense.ai?

• Spread your wings with clear career paths, technical orleadership.
• Collaborate with 100+ AI experts with 15+ years ofapplied AI experience, aswell asPhD-level researchers with academic backgrounds.
• Tap into domain expertise and knowledge sharing whenever you need it.

Your Role asSenior Data Scientist

What makes this role stand out:

• You’re closest tothe data and analytics – from exploration and cleaning, through modeling, togenerating business insights.
• Your tools include classical and non-linear ML models (regression, XGBoost, LightGBM, CatBoost) and libraries such aspandas and scikit-learn.
• You create analyses and visualizations that directly support business decisions.

Why it’s worth it:

• You have areal impact onclient strategies and decisions, your models and analyses don’t end upinadrawer.
• Projects are diverse: from EDA and feature engineering, topredictive modeling, time-series analysis, data visualization, and dashboard development.
• You get room togrow, whether into deeper data analytics and business consulting, ortowards AI engineering (working closely with MLEs and SEs).

Afew project examples:

• Building AI voicebots that double conversion rates.
• Creating aGenAI solution for aleading USlegal company together with the OpenAI team.
• Running GenAI onedge devices with cloud-level performance.

All ofthis inasetup that feels like anAI-driven software house: remote-first, flexible, and packed with specialists who are open tosharing knowledge and experimenting with the newest tech.

The ideal candidate:

• Has aminimum of6 years ofexperience inData Science, delivering end-to-end, data-driven solutions.
• Isproficient inclassical ML techniques (linear regression, feature selection methods, predictive modeling, time series) aswell asnon-linear methods.
• Programs fluently inPython and uses libraries such asNumPy, pandas, scikit-learn.
• Can effectively manage and analyze data using SQL.
• Creates clear and engaging visualizations (matplotlib, seaborn, plotly).
• Can translate data into actionable business insights and recommendations.
• Stands out with strong communication skills.
• Bonus points for experience indata engineering, cloud platforms (AWS, GCP, Azure), dashboarding tools (Tableau, Power BI, Dash), NLP, orLLMs/Generative AI.

WeOffer

Impactful AI projects

• Tackle industry-grade challenges: from LLMs for drug discovery toGenAI onedge devices, AI voicebots, and open-source initiatives with global reach.
• Collaborate directly with our partners for early access totools before public release, testing inproduction, and bringing know-how from AI leaders into our projects.
• Contribute toopen-source initiatives like ragbits (1.6k+ stars onGitHub), adopted and appreciated bythe ML community.

Growth & Knowledge Sharing

• Join AI specialists who share expertise through Tech Talks, workshops, and internal trainings.
• Present your work atconferences, run experiments, and stay ahead ofthe curve.
• Choose your own career path and get support for your development.

Flexibility & Culture

• Work fully remote, from one ofour two offices (Warsaw, Bydgoszcz), orfrom coworking spaces inPoznań, Łódź, Wrocław, and Gdańsk.
• Enjoy flexible working hours.
• Benefit from aculture that prevents burnout and supports balance indaily work.
• Start with onboarding – from day one you are matched with abuddy.
• Access apremium AI development suite: OpenAI ChatGPT, Claude, Gemini Advanced, GitHub Copilot, Cursor AI IDE, Claude Code, NotebookLM, plus the latest emerging AI tools tosupport your daily work.
• Work inagile teams with fast decision-making and space totry out your ideas.

Basic Benefits

• Get private medical care and aMultisport card.
• Use our company library, attend onsite English lessons, and benefit from adedicated training budget.
• Join free team lunches and enjoy fresh fruit & snacks.
• Take part inteam-building activities and holiday celebrations.