Senior Database Engineer

*This position is fully remote only for employment in Bulgaria. However, people can also work in one of our offices in Sofia or Varna if they prefer to.

**This position involves participating in 24/7 support shifts

About DataArt

DataArt is a global software engineering firm and a trusted technology partner for market leaders and visionaries. Our world-class team designs and engineers data-driven, cloud-native solutions to deliver immediate and enduring business value.

We promote a culture of radical respect, prioritizing your personal well-being as much as your expertise. We stand firmly against prejudice and inequality, valuing each of our employees equally.

We respect the autonomy of others before all else, offering remote, onsite, and hybrid work options. Our Learning and development centers, R&D labs, and mentorship programs encourage professional growth.

Our long-term approach to collaboration with clients and colleagues alike focuses on building partnerships that extend beyond one-off projects. We provide the ability to switch between projects and technology stacks, creating opportunities for exploration through our learning and networking systems to advance your career.

Position Overview

You will join a high-impact engineering team responsible for building and operating our mission-critical data platform on Aurora PostgreSQL. The environment supports real-time applications, large-scale transactional workloads, and strict security/compliance requirements.

Your work will focus on improving the platform’s performance, reliability, scalability, and security, while leading complex database engineering initiatives such as major version upgrades, schema modernisation, cross-region resilience, and zero-downtime migrations.

This is an exciting opportunity for a Senior Database Engineer with administration and development skills to join a small and friendly team of Database Engineers responsible for managing business-critical databases hosted in AWS. The Database Administration (DBA) team is committed to ensuring optimal system performance, reliability, data integrity, and security, while maintaining 24/7 availability of customer data across diverse database platforms.

Technology stack includes:

• AWS RDS Aurora Postgres
• AWS RDS MySQL
• SQL Server hosted on AWS EC2
• WSFC
• AlwaysOn
• RedGate tools
• Terraform

Responsibilities

• Own the architecture, performance, availability, security, and lifecycle of our Aurora PostgreSQL platform
• Lead end-to-end delivery of complex initiatives: major version upgrades, large-scale migrations, schema redesign & refactoring, performance optimization and tuning, HA/DR design and enhancements
• Serve as the final-tier escalation point for all Aurora PostgreSQL–related incidents and performance bottlenecks
• Define, implement, and enforce database standards, security policies, and operational best practices
• Develop automation, tooling, and repeatable workflows for operations and monitoring
• Participate in the on-call rotation, conduct deep root-cause analysis, and deliver preventative fixes

Requirements

• Deep hands-on experience with Aurora PostgreSQL in production (large, mission-critical clusters)
• Expertise in: Multi-AZ, replicas, replication, extensions, partitioning, vacuum, performance tuning
• Proven delivery of major upgrades, blue/green deployments, and zero-downtime migrations
• Strong SQL, PL/pgSQL, Python; automation mindset
• Solid AWS knowledge: Aurora, IAM, KMS, CloudWatch, Lambda, S3
• Confident working with sensitive data (GDPR or similar)
• Comfortable executing production changes safely

Nice To Have

• SQL Server on EC2 (AlwaysOn, WSFC)
• MySQL / RDS / Aurora MySQL
• AWS certifications
• Terraform or similar IaC
• Monitoring tools (Redgate Monitor, CloudWatch)

What We Offer

• Unique corporate culture – no micromanagement, friendly atmosphere, freedom, and mutual respect
• Flexible schedule – ability to change projects, to work from home, and to try yourself in different roles
• Professional Development Map – a comprehensive map of your professional development within DataArt
• We hire people not for a project, but for the company. If the project (or your work in it) is over, you go to another project or to a paid “Idle”.
• Social benefits – additional health insurance, life insurance, sports card, etc.
• Opportunity to work from another DataArt office in a different city or country (temporarily or permanently)
• Free English courses
• Cozy office with a great atmosphere
• Snacks, drinks, and fruits are always available

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