Senior Database Engineer
Salary: from 10 000 PLN gross • Hybrid • Full-time • Warsaw, Poland
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Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.
What you'll do
- Own and improve relational database environments to ensure performance, scalability and reliability
- Review and validate database‑related application changes before release
- Identify and resolve performance issues across the full lifecycle, from triage to production validation
- Optimize queries and refactor schemas to support data growth and evolving product needs
- Collaborate with Architecture, Engineering, Data Science and Reliability teams
- Contribute to incident management processes and overall system reliability goals
- Maintain documentation, security standards and database best practices for the project’s database environment, which may include MySQL or Oracle and PostgreSQL
What you bring
- Strong experience with relational databases in high‑traffic, mission‑critical systems
- Deep understanding of backup, recovery and replication concepts
- Proven SQL optimization skills and experience working with high‑load production environments
- Hands‑on experience with schema design and performance tuning
- Good Linux administration skills
- Experience with MySQL, PostgreSQL, Oracle, Redis or MongoDB
- Familiarity with GCP or AWS data services and automation tools such as Ansible, Helm or Terraform
- B2 level of English, both written and spoken
What you'll get
- EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
- Licenses for AI tools: GitHub Copilot, Cursor, and others
- Private medical care with LuxMed
- Kafeteria MyBenefit credits for stores, restaurants, and cafés
- Access to a Multisport membership to stay active
- Glasses reimbursement program
- Referral bonuses for bringing in new talent
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