Data Platform Engineer – fintech sector (f/m/x)

Our requirements

• At least 5 years of experience in Data Engineering and/or Data Platform Engineering
• Strong infrastructure and platform engineering experience, including modern DevOps practices, cloud technologies, AWS and GCP, Docker, and Terraform
• Expertise with BigQuery, including security, performance optimization, and cost management
• Experience working with AWS data lake architectures (Athena, S3, Glue), including query optimization, security, and cost-efficient design
• Proficiency in Python and modern data technologies such as Airflow and dbt
• Solid understanding of data security, platform security, and access management
• Experience implementing and maintaining observability and monitoring solutions, such as Grafana and CloudWatch
• Strong analytical and problem-solving skills, with the ability to evaluate technical options and make informed trade-offs
• Excellent communication skills and the ability to collaborate effectively with both technical and non-technical stakeholders
• Comfortable working in environments with high engineering standards, including CI/CD, code reviews, pull requests, and established governance practices
• Fluent English (both written and spoken)
• Residing in Poland required
• Fluent Polish required

Optional

• Experience designing or building MLOps platforms and supporting machine learning workflows in production environments

Your responsibilities

• Build and maintain the Data Platform infrastructure across AWS and GCP, including data lakes, data warehouses, orchestration, and observability components
• Enhance the platform by introducing new features and services, improving monitoring and observability, and automating common operational tasks
• Develop and maintain CI/CD-driven deployment processes to improve platform reliability, scalability, and developer experience
• Collaborate closely with Data Engineers, Data Scientists, and Data Analysts to support and evolve the MLOps Platform
• Manage and optimize the data estate, including IAM and access policies, storage management, platform monitoring, and cost control
• Design and implement secure, compliant, and user-friendly data infrastructure solutions
• Continuously improve platform performance, reliability, security, and operational efficiency across cloud environments
• Work with stakeholders across and beyond the data organization to understand requirements and deliver platform capabilities that meet their needs
• Contribute to and uphold strong engineering practices, including code reviews, CI/CD, infrastructure-as-code, and established data governance standards

About the project

This is how we work on a project

• Continuous Deployment
• Continuous Integration

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People

Recruitment stages

• 1.
  Send your CV
• 2.
  Talk to us about your expectations
• 3.
  Learn more about our projects and choose the best
• 4.
  Start your adventure with Sii!

Sii Sp. z o.o.