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Junior Data Engineer
  • Warsaw
Junior Data Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
DataFuze
22. 10. 2025
Informacje o stanowisku

Who are we looking for ?

We are currently seeking a candidate for the position of Junior Data Engineer . The ideal candidate should possess good SQL skills and demonstrate knowledge of DB theory. Familiarity with any of: Snowflake, Ariflow, dbt, Kafka, Oracle, APEX will be considered as a significant advantage.

Responsibilities:

  • Design and implement ETL processes using any of: Snowflake, Kafka or Airflow to support scalable data workflows

  • Build reliable and governed data pipelines with dbt in order to accelerate analytics and AI initiatives

  • Design, develop and maintain databases

  • Create efficient and optimized queries in SQL

  • Create and utilize functions, packages and procedures in PL/SQL

  • Assist in resolving technical bottlenecks to improve overall system efficiency, functionality and performance

  • Low-code application development using Oracle Application Express (APEX)

Requirements:

  • Strong academic background - higher education (Bachelor's degree minimum, Master's degree preferred) in Computer Science or related field

  • Minimum 12 months of commercial experience in a similar role

  • Knowledge of DB theory

  • Experience in creating efficient and optimized queries in SQL

  • Ability to design and implement ETL processes

  • Basic knowledge of Python

  • Experience with Git

  • Analytical thinking and problem-solving skills

  • Proactive approach, eagerness to learn, explore and grow

  • Strong sense of ownership and responsibility

  • Effective communication and team collaboration skills

  • Dedication to excellence in technical skills

  • Proficiency in Polish (C1 level) and English (B2 level)

Nice to Have:

  • Familiarity with any of: Snowflake, Ariflow, dbt, Kafka, Oracle, APEX

  • Relevant trainings or certifications in any of the above tools/technologies

  • Contribution to free-time projects, blogs and other community involvement

What we offer ?

  • Honest Compensation - A career path supported by a competitive and transparent salary structure.

  • Flexible Benefits Package - Tailor our benefits package to your individual needs.

  • Dynamic Professional Growth - Opportunities for continuous professional development within a challenging and dynamic IT environment.

  • Expert Team Collaboration - Everyday teamwork with seasoned experts specializing in database solutions.

  • Flexible Work Options - Enjoy the flexibility of hybrid or remote work based on seniority and project requirements.

  • Work-Life Balance - Embrace flexibility in working hours.

Recruitment process

We believe in a simple and transparent recruitment process.

We will reply to your application within 3 days. We will try to close the entire recruitment process within 2 weeks. That's our promise.

  1. Online meeting- let's get to know each other.

  2. Homework - 5 easy SQL tasks to do within 1 week, so we can initially assess your skills.

  3. Online or office meeting with the development team - showcase your technical skills and experience during the interview, learn more about the project and meet your future colleagues.

  4. Job offer - we'll send you a job offer and contract draft, you review and decide on engagement. Just Join ;)

Who is DataFuze ?

We are a boutique software development company.

At DataFuze, we create and deliver data-driven IT solutions that empower our clients' data and provide lasting value for their businesses. 

At the forefront of our culture are these core values : 

  1. Technical Mastery : dedication to excellence in technical skills, ensuring a deep understanding of the latest industry trends and best practices, commitment to delivering scalable and efficient software solutions.

  2. Ownership and Accountability : encouraging a strong sense of responsibility among all team members to maintain the highest standards at every stage of the software development lifecycle.

  3. Client-Centric Agility  : prioritizing the needs and satisfaction of clients by staying agile, responsive, and adaptable to evolving project requirements.

  4. Innovation Excellence  : embracing a culture of constant learning, technological exploration and creative problem-solving to deliver cutting-edge solutions.

  5. Collaborative Synergy  : fostering a collaborative and inclusive environment, where diverse talents work seamlessly together, sharing knowledge and expertise to achieve success.

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