Senior Data Engineer IRC285763

GlobalLogic; Polska; Hybrid; PLN 120,000 - 150,000; Full time

Job summary

A leading digital engineering partner in Poland is seeking a Python Developer for a long-term project in the energy sector. You will engage with stakeholders as part of a Scrum team to build an AI-integrated application aimed at comprehensive data analysis. The ideal candidate will have over 5 years of experience in Python, SQL, and data pipeline development. Enjoy a culture of caring and continuous learning while working on impactful projects with a flexible work-life balance.

Benefits

Culture of caring

Learning and development opportunities

Flexible working arrangements

High-trust organization

Qualifications

• 5+ years of Python experience with production-level code.
• 5+ years in SQL/PostgreSQL focusing on complex queries and optimization.
• Expert level in pandas/numpy, handling large datasets.
• B2+ proficiency in English, both written and verbal.

Responsibilities

• Create robust code translating business logic into project requirements.
• Develop code adhering to security and best practices.
• Leverage technologies for high reusability in developed systems.
• Work independently with minimal supervision.

Skills

Python

SQL / PostgreSQL

Apache Kafka

pandas / numpy

scikit-learn

ETL Pipelines

Text Processing

Git

English (B2+)

Tools

FastAPI

Flask

Azure DevOps

BI & Visualization tools

Job description

New long-term project for an Energy client, where we will create an application with AI integrated for the comprehensive data analysis. You will be working closely with the customer stakeholders as part of the Scrum team.

Requirements

• Technical Requirements (Must Have)
  • Python — 5+ years, production code (not just notebooks)
  • SQL / PostgreSQL — 5+ years, complex queries, optimization
  • Apache Kafka — event streaming, consumers, producers
  • pandas / numpy — expert level, large datasets (1M+ rows)
  • scikit-learn — clustering algorithms, metrics, hyperparameter tuning
  • ETL Pipelines — 4+ years building production data pipelines
  • Text Processing — tokenization, cleaning, encoding handling
  • Git — branching, PRs, code reviews
  • English — B2+ written and verbal
• Would Be a Plus
  • Sentence-BERT / Transformers (HuggingFace ecosystem)
  • MLflow or similar ML experiment tracking
  • Topic Modeling (LDA, NMF)
  • DBSCAN / Hierarchical Clustering
  • FastAPI / Flask
  • Azure DevOps
  • Kafka Streams / ksqlDB
  • BI & Visualization tools (Power BI, Tableau, Grafana, Apache Superset, Plotly/Dash, or similar)
• Nice to Have
  • Energy / Utility / SCADA domain experience
  • Time-series analysis
  • Prometheus / Grafana monitoring
  • On-premise ML infrastructure (no cloud APIs)
  • Data modeling / dimensional modeling
  • dbt (data build tool)

Job responsibilities

• Strong problem‑solving and follow‑up skills; must be proactive and take initiative
• Professionalism and ability to maintain the highest level of confidentiality
• Create robust code and translate business logic into project requirements
• Develop code using development best practices, and an emphasis on security best practices
• Leverage technologies to support business needs to attain high reusability and maintainability of current and newly developed systems
• Provide system design recommendations based on technical requirements
• Work independently on development tasks with a minimal amount of supervision

What we offer

Culture of caring. At GlobalLogic, we prioritize a culture of caring. Across every region and department, at every level, we consistently put people first. From day one, you’ll experience an inclusive culture of acceptance and belonging, where you’ll have the chance to build meaningful connections with collaborative teammates, supportive managers, and compassionate leaders.

Learning and development. We are committed to your continuous learning and development. You’ll learn and grow daily in an environment with many opportunities to try new things, sharpen your skills, and advance your career at GlobalLogic. With our Career Navigator tool as just one example, GlobalLogic offers a rich array of programs, training curricula, and hands‑on opportunities to grow personally and professionally.

Interesting & meaningful work. GlobalLogic is known for engineering impact for and with clients around the world. As part of our team, you’ll have the chance to work on projects that matter. Each is a unique opportunity to engage your curiosity and creative problem‑solving skills as you help clients reimagine what’s possible and bring new solutions to market. In the process, you’ll have the privilege of working on some of the most cutting‑edge and impactful solutions shaping the world today.

Balance and flexibility. We believe in the importance of balance and flexibility. With many functional career areas, roles, and work arrangements, you can explore ways of achieving the perfect balance between your work and life. Your life extends beyond the office, and we always do our best to help you integrate and balance the best of work and life, having fun along the way!

High‑trust organization. We are a high‑trust organization where integrity is key. By joining GlobalLogic, you’re placing your trust in a safe, reliable, and ethical global company. Integrity and trust are a cornerstone of our value proposition to our employees and clients. You will find truthfulness, candor, and integrity in everything we do.

About GlobalLogic

GlobalLogic, a Hitachi Group Company, is a trusted digital engineering partner to the world’s largest and most forward‑thinking companies. Since 2000, we’ve been at the forefront of the digital revolution – helping create some of the most innovative and widely used digital products and experiences. Today we continue to collaborate with clients in transforming businesses and redefining industries through intelligent products, platforms, and services.