Middle DBA / Database Engineer A-LISTWARE $$$
Madfish
Ukraine
Posted on Jun 8, 2026
Our Customer:
A fast-growing product startup in the Video AI domain, collaborating with global publishers and broadcasters to enhance video content experiences at scale.
Your Tasks:
- Lead the overhaul of CTD’s database schema to support high-load and scalable systems.
- Manage the transition from MariaDB to PostgreSQL while ensuring low risk to production environments.
- Design and develop a reliable Data Access Layer (DAL) for consistent data interaction.
- Establish clear models for transaction handling and session management.
- Improve database performance through effective indexing strategies and partitioning techniques.
- Set up database governance policies along with performance guidelines and best practices.
- Analyze and align database performance with system-level resources such as CPU, memory, and I/O.
- Develop monitoring, observability, and diagnostic solutions to simplify troubleshooting.
- Work closely with R&D, Product, and Support teams to ensure smooth collaboration and delivery.
Required Experience and Skills:
- 4+ years of experience as a Database Administrator (DBA).
- Strong practical experience working with MariaDB/MySQL and PostgreSQL.
- Proven track record of building and maintaining high-scale data systems.
- Expertise in query performance optimization, including advanced indexing and partitioning strategies.
- Deep understanding of transaction processing and concurrency control mechanisms.
- Hands-on experience handling high-throughput workloads and systems.
- Strong knowledge of data retention strategies and their implementation.
- English proficiency at Upper-Intermediate level or higher.
Would Be a Plus:
- Hands-on experience designing and implementing Data Access Layers (DAL).
- Proven experience migrating MySQL/MariaDB databases to PostgreSQL.
- Solid familiarity with Python and working with ORMs.
- Practical experience operating in on-premise environments.
- Experience using and implementing database observability and monitoring tools.