Senior Platform Engineer (PostgreSQL & AWS Databases)

The scope of your role

As a Senior Platform Engineer, you will take part in designing, developing, and improving database-related platform capabilities used across modern financial systems.

You will develop and improve reliable, secure, and scalable database solutions in AWS, with a strong focus on PostgreSQL and AWS-managed database services. You will help shape platform and engineering standards by working closely with development teams and supporting them with PostgreSQL and AWS database expertise.

You will work on database performance, reliability, backup and recovery, and security, while contributing to the broader platform engineering landscape in a T-shaped engineering environment.

You will work with

• PostgreSQL
• RDS
• Aurora
• AWS
• SQL
• DynamoDB
• Database performance tuning and optimization
• Backup and recovery strategies
• Jira
• Confluence
• Git
• Modern AI development tools

Required qualifications

• 5+ years of commercial experience working with relational databases in production environments
• Strong hands-on experience with PostgreSQL
• Solid experience with AWS database services, especially RDS and Aurora
• Experience with database performance tuning and troubleshooting
• Strong experience with database reliability engineering, including backup, restore, recovery, and high-availability practices
• Experience with database security in cloud environments
• Willingness and interest to collaborate and work in a team
• Residence in Poland and Polish or EU citizenship

Preferred qualifications

• Experience working with production systems that require strong security, auditability, and operational controls
• Experience with MySQL
• Experience with DynamoDB
• Experience with Snowflake
• Experience with the AWS platform beyond database services
• Exposure to Infrastructure as Code and platform engineering practices
• Exposure to MLOps or adjacent AI/ML platform topics
• Exposure to Agile development methodologies

About you

• Creative and curious, with an interest in learning about the latest technology trends
• Comfortable raising problems and sharing perspectives on solutions
• Team player experienced in an Agile environment
• English is required for collaboration in a multicultural team

We offer

• Work on projects, including greenfield initiatives, with a team of experienced experts
• Real impact on products and culture through small project teams of up to 9 members
• A non-corporate environment focused on innovation, continuous improvement, teamwork, and a data-driven approach
• Flexible working hours in a hybrid model, with an office in Katowice city center or remote work for candidates outside the Silesia region
• Professional growth support, including access to training, workshops, and industry conferences
• Benefits package: private medical care, life insurance, Multisport with a partially funded family card, library, and concierge service
• Internal conferences, training, and events, including Northcon, Northchill, Study Group, and Summer Party