Senior Database Administrator

Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services. We are looking for a Senior Database Engineer who will be responsible for on-premises and Cloud database infrastructure administration. We expect the Senior Database Engineer to: Ensure database services meet agreed service levels for availability, recoverability, performance, and scalability. Design and manage database subsystems, including clustering, replication, etc. Define and execute backup, disaster recovery, and business continuity procedures. Handle database compliance with industry standards, regulations, and best practices. Establish monitoring standards, capacity planning practices, and operational metrics to proactively identify risks and trends before they impact the business. Investigate production incidents, coordinate resolution efforts, perform root cause analysis, and drive remediation initiatives to prevent recurrence. Work closely with Developers, Quality Assurance and Support departments on a regular basis assisting with Database-related requests. Participate in an on-call rotation and serve as an escalation point for complex production issues affecting critical systems. Apply cost reduction practices for Cloud database Infrastructure based on the resources usage and databases load profile Conduct deep analysis of database performance issues, implementing solutions. Oversee data migration projects and perform risk analysis Drive innovation in database technologies within the project or business unit. Qualifications: 5+ years of hands-on experience administering PostgreSQL in production environments within mission-critical systems. Proven experience designing, implementing, and operating high-availability PostgreSQL architectures using Patroni Hands-on experience managing Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL Strong expertise in backup and recovery strategies , including planning and executing Point-in-Time Recovery (PITR) using tools such as pgBackRest and Barman . Solid understanding of PostgreSQL internals ( MVCC, vacuuming, query planning, replication concepts, etc). Extensive experience with performance monitoring, SQL workload analysis, and database tuning , with the ability to identify bottlenecks and optimize database performance. Experience automating database deployment, configuration management, and operational processes using Ansible . Practical experience implementing and maintaining PostgreSQL partitioning strategies , including both native partitioning and TimescaleDB for time-series workloads. Strong working knowledge of Linux operating systems , including system performance analysis, process management, networking fundamentals, and storage concepts relevant to database operations. Familiarity with database monitoring and observability tools such as Zabbix , including metrics collection, alerting, and log analysis. Exposure to column-oriented database technologies such as ClickHouse , with an understanding of their core concepts, architecture, and performance characteristics, would be a plus. Care for the employees is one of Devexperts' core values. For the suggested position, we offer a benefits package that will guarantee the comfort of our new teammate. Flexibility benefits: Possibility of hybrid/remote work mode, Flexible working hours. Health and recreation benefits: 20 days of paid vacation, 5 days of fully paid additional wellness days, Medical insurance – premium package, Free MultiSport card. Facility benefits: Modern office with new equipment, Panoramic view of Vitosha mountain, PlayStation, Billiard, Relax zone and Gym, Parking space/public transport card, Free drinks and snacks. Community benefits: Teambuilding activities, Corporate parties, Football club, Speakers' club, Free admission to corporate external events, Possibility of joining conferences and professional fairs. Professional training benefits: English language courses, Local language courses for foreign employees, Unlimited access to self-learning platforms, Certification opportunities, Mentorship Program. Social benefits: Referral bonuses for specific roles, Paid leave upon special events.