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Senior Data Engineer
  • Warsaw
Senior Data Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
WINGED IT SP Z O O
25. 1. 2025
Informacje o stanowisku

technologies-expected :


  • AWS
  • S3
  • EC2
  • RDS
  • Lambda
  • Glue Jobs
  • EMR
  • SQL
  • NoSQL
  • Python

about-project :


  • Do you want to play a key role in revolutionizing the future of finance? Join Klarna - a global leader in deferred payments, with over 85 million active users and 2.5 million transactions processed daily! As a pioneer in modern payment solutions, Klarna is developing innovative methods that streamline the shopping experience, enhance transaction security, and expand the availability of purchasing options.
  • Were seeking individuals eager to achieve remarkable results and share their bold vision to redefine the future of payments and fintech. Send us your CV - we can’t wait to meet you!
  • Employer: Klarna
  • Location: Warsaw (hybrid work when required)
  • Duration: long-term agreement

responsibilities :


  • To design and implement robust, scalable data pipelines to collect, integrate, and analyze large volumes of data from various sources including Jira, AWS S3, and external websites via APIs;
  • To develop and maintain databases and data tables that are optimized for performance and scalability within Klarna’s cloud environment, leveraging AWS services;
  • To collaborate with different teams to understand data needs and deliver solutions that support business objectives;
  • To ensure data integrity and compliance with data governance and security policies;
  • To provide technical leadership and mentorship to data analysts in the team;
  • Stay current with industry trends and evaluate new technologies for continuous improvements in data architecture and processing;
  • To work closely with other teams to leverage Klarna’s internal systems for optimized data management and operations;
  • To assist DevOps or Full Stack engineers, when necessary, to achieve team objectives.

requirements-expected :


  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field;
  • 5+ years of experience in data engineering, particularly in designing and developing data pipelines;
  • Extensive experience with AWS Cloud Services (e.g., S3, EC2, RDS, Lambda, Glue Jobs, EMR) and understanding of best practices in cloud security;
  • Experience with Terraform and infrastructure as a code;
  • Proficiency in SQL and experience with relational and NoSQL databases;
  • Experience with graph and vector databases;
  • Strong programming skills in Python and experience with API integrations.
  • Familiarity with Klarna’s internal systems, such as C2C and Data Platform services, is highly preferred;
  • Excellent problem-solving skills and ability to work independently or as part of a team;
  • Fluent in English and effective communication skills;
  • A collaborative mindset and the drive to understand and improve our compliance framework;
  • Capability to handle multiple high-priority tasks simultaneously and meet tight deadlines without sacrificing detail or accuracy;
  • Excellent interpersonal skills to engage with colleagues across various teams, contributing to fast-paced projects.

offered :


  • Great opportunity for personal development in a stable and friendly large multinational company;
  • Start-up mentality, small agile teams;
  • Global Reach: Impact millions with seamless shopping and payments;
  • Career growth and additional education.

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