Senior Data Platform Engineer

We are hiring on behalf of our client a global innovator in fitness and wellness technology. Their mission is to empower people to live fit strong long and happy lives by delivering integrated experiences to millions of members anytime anywhere.

We are looking for a Senior Data Platform Engineer to join the Datastores team. This team is responsible for building and operating the core data persistence layer used by application services across the this role you will design and improve the systems that store access and scale critical data across distributed services. It is a hands-on engineering position where you will work at the intersection of backend engineering platform reliability and cloud-native data infrastructure. Your work will directly influence the scalability performance and reliability of the companys global data ecosystem.

Key takeaways:

Stack: Python PostgreSQL MySQL DynamoDB Redis Elasticsearch AWS Terraform

Salary: 22.500 - 27000 PLN gross per month on Employment Contract

Working model: hybrid - 3x weekly from the office

Location: ul. Grzybowska 60 Warsaw

Recruitment process:

• A call with Motife recruiter (30 min)
• Coding Interview (1h)
• Interview panel: architecture & system design discussion; Hiring Manager meeting (up to 2h in total)

Responsibilities:

Data Infrastructure Engineering

• Design build and operate backend systems that rely on scalable and highly available data persistence layers.
• Contribute to architectural decisions around distributed data systems multi-region persistence and global scalability.
• Improve the reliability and performance of production datastores used by critical services.

Data Performance & Optimization

• Partner with service teams to improve database schema design query performance and data modelling.
• Optimize data access patterns and indexing strategies for relational and NoSQL databases.
• Support teams in designing systems that scale efficiently under high load.

Developer Experience & Platform Tooling

• Build and maintain self-service tooling that enables engineers to provision and manage databases and caching layers.
• Contribute to infrastructure automation using tools such as Terraform and internal developer platforms.
• Improve observability and operational insight into datastore performance and reliability.

Platform Reliability & Observability

• Implement monitoring metrics and tracing strategies to improve visibility into production data systems.
• Develop autoscaling and performance optimization strategies for critical data infrastructure.
• Support operational excellence by reducing manual processes and improving system resilience.

Requirements:

Technical Expertise

• 5 years of professional software engineering experience building production backend systems.
• Strong experience with relational databases such as PostgreSQL or MySQL including schema design indexing and query optimization.
• Experience working with NoSQL datastores such as DynamoDB Redis Elasticsearch or Memcache.
• Solid understanding of distributed systems fundamentals including latency replication consistency models and scaling strategies.
• Experience building and operating services in cloud environments (preferably AWS).

Data Systems & Architecture

• Experience designing systems where data performance reliability and modelling are critical.
• Exposure to data pipelines event-driven architectures or systems interacting with streaming or batch processing frameworks.

Collaboration & Engineering Mindset

• Ability to work cross-functionally with service teams to improve system design and data access patterns.
• Strong problem-solving skills with a focus on performance scalability and reliability.
• Clear communication skills and a collaborative engineering approach.

What we offer:

• 100% paid medical care
• Multisport
• Creative tax (KUP)
• Home office allowance
• MacBook Pro

Apply now

If youre excited about building developer platforms that scale empower teams and set new standards for engineering excellence wed love to hear from you. Apply via our careers page and please submit your CV in English.

Required Experience:

Senior IC