Senior Database Administrator

TL;DR

Senior Database Administrator (AWS Aurora, MongoDB): Architect and optimize database infrastructures to support large-scale, high-traffic workloads with an accent on PostgreSQL, MongoDB, Scylla, Redis, and ClickHouse. Focus on designing backup/recovery strategies, automating operations with IaC, performance tuning, high availability replication/sharding, and ensuring SOC 2/HIPAA/GDPR compliance.

Location: Worldwide remote or flexible work from offices with relocation support to Mexico, Serbia, Cyprus, Kazakhstan including full visa & permit support for employee and family

Company

hirify.global (ex Different Technologies) is a high-tech fintech company building innovative infrastructure solutions.

What you will do

• Architect and optimize database infrastructures for large-scale, high-traffic workloads.
• Administer clusters across AWS Aurora (PostgreSQL), MongoDB, Scylla, Redis, and ClickHouse.
• Design backup, recovery, and disaster recovery strategies for business continuity.
• Automate scaling, monitoring, and maintenance using Terraform, OpenTofu, CloudFormation, Ansible, and Gitlab CI.
• Optimize performance via schema design, query tuning, indexing, caching, and storage.
• Manage replication, sharding for high availability, fault tolerance, and geo-distribution.
• Ensure compliance with SOC 2, HIPAA, GDPR and enforce security best practices.
• Partner with engineering teams on data solutions and mentor junior DBAs.

Requirements

• 5+ years hands-on experience as DBA in production-grade, distributed environments.
• Deep knowledge of Aurora (PostgreSQL), MongoDB or Scylla.
• Expertise managing databases on AWS, GCP, Yandex Cloud, and DBaaS like MongoDB Atlas.
• Advanced SQL query tuning, schema optimization, indexing strategies.
• Experience with replication, partitioning, clustering in high-availability systems.
• Proficiency in backup, restore, failover in multi-AZ/multi-region setups.
• Automation and scripting skills (Python, Bash, Go).
• Familiarity with Kubernetes deployments and observability (Prometheus, Datadog, CloudWatch).

Nice to have

• Experience with IaC tools (Terraform, OpenTofu, CloudFormation).

Culture & Benefits

• Commitment to creativity and groundbreaking solutions.
• Strong, collaborative community celebrating achievements.
• Flexible work from offices or remote.
• Healthcare coverage, education budget for languages/training/certifications.
• Wellness budget for mental health and fitness.
• 20 days annual leave and paid sick leave.