Data Platform Engineer - fintech sector (f/m/x) w Białystok, Polska

Expected, Python, GCP, Data Streaming, BigQuery, Apache Airflow, Data Built Tool, Data Lake, SQL, CI/CD, Terraform, AWS, IaC (Infrastructure as Code), Docker

Optional, MLOps

About the project, Join Sii and work with one of Europe’s leading fintech scale-ups., We are looking for a Data Platform Engineer to help shape the future of the data ecosystem. In this role, you will build, maintain, and enhance our cloud-based data platform across AWS and GCP, enabling scalable, secure, and cost-efficient data solutions for the wider business., You will work at the intersection of engineering, infrastructure, and data, partnering closely with Data Engineers, Data Scientists, Data Analysts, and other stakeholders to deliver a platform that supports current and future data needs. This role is ideal for someone who enjoys designing data platforms, evaluating technical trade-offs, and building reliable infrastructure that empowers teams across the organization.

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

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

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, Send your CV, Talk to us about your expectations, Learn more about our projects and choose the best, Start your adventure with Sii!

Sii Sp. z o.o., Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment., , Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work,