PLN 184000–276000/yr

Data Software Engineer

KrakowFull-timemid
Software EngineerSoftware Engineering
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Quick Summary

Overview

We’re looking for a Senior Software Engineer who views data through the lens of high-quality software engineering.

Technical Tools
Software EngineerSoftware Engineering
We’re looking for a Senior Software Engineer who views data through the lens of high-quality software engineering. You will design sophisticated data architectures and implement rigorous best practices to ensure that our systems are resilient and scalable. This is a multi-faceted role where you will build the software necessary to manage and move data across our organization.
  • Architecting and Building Pipelines: Design, develop, and maintain high-throughput data pipelines to move and transform data across our ecosystem
  • Data Modeling and Schema Design: Execute DDL and DML operations to manage and optimize our data structures
  • Engineering Excellence: Implement rigorous software engineering best practices, including automated testing, CI/CD pipelines, managing infrastructure as code, and monitoring of system health
  • Collaboration: Partner with Data Science and AI teams to engineer feature stores and automated MLOps Pipelines, enabling AI models to move from research to production
  • Databases: MySQL, Amazon Aurora, Amazon RDS, PostgreSQL
  • ata Storage and Analytics: AWS S3, Apache Iceberg, Snowflake, Apache Druid, Looker
  • Data Processing and Transformation: Apache Spark, DBT
  • Languages: Python (primary)
  • Infrastructure as Code: Terraform
  • Containerization and Orchestration: Kubernetes, Docker, Airflow
  • Engineering Experience: 4+ years professional software engineering experience, with a proven track record of building and maintaining production-grade data systems
  • Data Architecture Experience: Deep understanding of modern data stack components. You should be comfortable designing and building schemas that balance performance with scalability
  • Infrastructure: Proficient with managing your own infrastructure in code, using tools like Terraform
  • Software rigor: Strong background in software engineering best practices, including automated testing and CI/CD
  • Advanced SQL and Optimization: Expert-level SQL skills (especially MySQL); you don’t just write queries, you optimize for performance and scalability
  • Communication: You are able to have technical discussions internally as well as translate these ideas into non-technical conversations with stakeholders
  • Location & Eligibility

    Where is the job
    Krakow
    Hybrid — some on-site time required
    Who can apply
    Same as job location

    Listing Details

    Posted
    May 1, 2026
    First seen
    May 1, 2026
    Last seen
    May 4, 2026

    Posting Health

    Days active
    3
    Repost count
    0
    Trust Level
    81%
    Scored at
    May 5, 2026

    Signal breakdown

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    Activecampaign
    Employees
    5
    Founded
    2003
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    ActivecampaignData Software EngineerPLN 184000–276000