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speedapp

JuniorData Scientist

speedapp
Poland · Contract · Mid-Senior

We are looking for a Data Scientist for customer-facing projects that combine data science with deep knowledge and understanding of machine learning and big data technologies to create solutions for customers’ challenges and needs, defining and developing appropriate technical and business solutions.

Responsibilities

  • Deliver successful deployment and Pilots
  • Manage and design the Customer-specific technical solution throughout the project life cycle
  • Technical leadership of Data Science & Engineering aspects and team members including partners
  • Work on various data sources and apply sophisticated feature engineering capabilities
  • Bring and use business knowledge
  • Extract insights and actionable recommendations from large volumes of data and Investigate anomalies in Big Data
  • Build and manage technical relationships with customers and partners
  • Provide product requirements input to the Product Management team
  • Train the customers on the system – system usage and monitoring aspects

Requirements

  • BSc in Computer Science, Statistics, Mathematics, Engineering, or related field.
  • 2+ years of experience as a Data Engineer, Data Scientist, or Big Data Developer.
  • Hands-on experience with Apache Spark, Python/PySpark, and SQL.
  • Familiarity with Hadoop ecosystem (Hive, Impala, HDFS, Sqoop) and data pipeline optimization.
  • Practical experience building or integrating AI agents and working with LLMs.
  • Strong skills in data transformation, ML feature engineering, and analytics for financial services.
  • Experience with workflow automation tools (Airflow, MLflow, n8n) and version control (GIT).
  • Ability to work with customers, train teams, and deliver technical solutions.
  • Fluent in Englis

NICE TO HAVE

WHAT DO WE OFFER ON THIS PROJECT?

  • Cooperation based on a B2B contract.
  • 100% remote work.
  • The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client.
  • Events and integration meetings, as well as participation in various initiatives, e.g., sports.
  • Access to the benefits offering (medical care, life insurance, Multisport card).
  • 20 paid vacation days, 10 sick leave days, Public holidays

WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE?

Application: Apply and submit your CV.

After the application review, the recruiter will contact selected candidates by phone.

Screening: Have a conversation with a speedapp recruiter about your experience.

Next steps: The speedapp recruiter will explain the recruitment process for the specific position.

The speedapp recruiter will stay in touch with you throughout the entire process.

About Speedapp

At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them.

👉 10 years of experience

👉 +100 clients worldwide

+300 hires per year

💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch.

DO YOU HAVE ANY QUESTIONS?

Contact the recruiter responsible for this process directly.

Barbara Krawczyk

Junior IT Delivery Consultant

[email protected]

+48 734 469 838

Key Skills

Ranked by relevance

big data machine learning apache hadoop mlflow spark ai
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Posted
Aug 22, 2025
Type
Contract
Level
Mid-Senior
Location
Warsaw
Company
speedapp

Industries

IT Services IT Consulting

Categories

Research Analyst Information Technology

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