Senior Data Software Engineer

ActiveCampaign; Kraków; On-site; PLN 224,000 - 336,000; Full time

Job summary

ActiveCampaign is seeking a Data Engineer in Kraków, Poland, to architect and build high-throughput data pipelines. You will work with advanced technologies like Terraform, Kubernetes, and various databases in a data-driven environment. The ideal candidate should have over 5 years of experience in software engineering and deep expertise in data architecture.

The position offers a salary range between 224,000 zł - 336,000 zł a year.

Qualifications

• 5+ years of professional software engineering experience.
• Deep data architecture expertise for modern data stack design.
• Proficiency in Infrastructure as Code using Terraform.

Responsibilities

• Architect and build high-throughput data pipelines.
• Execute data modeling and schema design.
• Champion engineering excellence with automated testing and CI/CD.

Skills

Software engineering

Data architecture

Infrastructure as Code

SQL skills

Automated testing

CI/CD

Python

Tools

Terraform

Kubernetes

Docker

Apache Spark

DBT

AWS

Snowflake

Job description

Responsibilities

• Architect and Build Pipelines by designing, developing, and maintaining high‑throughput data pipelines that seamlessly transform data across our ecosystem
• Execute Data Modeling and Schema Design, utilizing DDL and DML operations to optimize data structures for both performance and long‑term scalability
• Champion Engineering Excellence by implementing automated testing, CI/CD pipelines, and Infrastructure as Code (Terraform) to ensure system health and reliability
• Collaborate Cross‑Functionally with Data Science and AI teams to engineer feature stores and automated MLOps pipelines, moving cutting‑edge research into live production environments
• Drive System Monitoring and health checks, ensuring our containerized and orchestrated environments (Kubernetes, Docker, Airflow) run at peak efficiency
• Act as a Technical Advisor to stakeholders, translating complex data architectures into clear, non‑technical conversations that guide business decisions

Technical Environment

• Databases: MySQL, Amazon Aurora, Amazon RDS, PostgreSQL
• Data 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

Ideal Candidate Will Bring

• 5+ years of professional software engineering experience, with a proven track record of building and maintaining production‑grade data systems
• Deep Data Architecture expertise, with the ability to design modern data stack components and schemas that balance immediate performance with future growth
• Proficiency in Infrastructure as Code, specifically using Terraform to manage and deploy your own infrastructure
• A high level of software rigor, including a strong background in automated testing, CI/CD, and general software engineering best practices
• Expert‑level SQL skills (particularly MySQL), with a focus on optimizing complex queries for maximum performance
• Experience in a modern technical environment, ideally having worked with Python, AWS (S3, Aurora, RDS), Snowflake, Apache Spark, and DBT
• Exceptional communication skills, with the talent to distill complex technical concepts into clear, actionable insights for both technical and non‑technical peers

224,000 zł - 336,000 zł a year

ActiveCampaign is an equal opportunity employer. We recruit, hire, pay, grow, and promote no matter of gender, race, ethnicity, sexual orientation, marital status, political opinion, national origin, social origin, parentage, workers union membership, economic status, religion, age, health condition, disabilityor any other grounds protected by law.