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Database Engineer

at Chess.com

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Posted 5 months ago

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About the role

  • Database Engineer at Chess.com, designing scalable database infrastructure for millions of daily games and user interactions. Driving automation and improvements across hybrid architecture with cloud services.

Responsibilities

  • Design and architect database systems optimized for Chess.com's specific workloads including real-time gaming, puzzle systems, and social graph traversal
  • Build internal tooling and automation to improve database deployment, migration, and operational efficiency, simplifying work streams for the broader engineering organization
  • Develop data pipelines and ETL processes for analytics, machine learning features, and cross-system data synchronization
  • Engineer multi-regional database architectures capable of handling massive volumes of chess games, user data, and social network interactions with minimal latency
  • Solve complex data modeling challenges including chess game storage optimization, puzzle attempt tracking, and large-scale social graph representation
  • Drive database platform evolution evaluating and implementing new technologies, storage engines, and architectural patterns with a bias toward continuous improvement
  • Build observability and performance tooling providing deep visibility into database behavior, query patterns, and capacity trends
  • Collaborate with product engineering teams to design optimal schemas, access patterns, and data layer integrations, ensuring the right people have the information they need
  • Implement infrastructure-as-code practices for database provisioning, configuration, and lifecycle management with high first-time-right quality
  • Participate in on-call rotation to ensure 24/7 database availability and contribute to incident post-mortems

Requirements

  • 5+ years of professional database engineering experience with large-scale, high-availability database systems in production environments
  • Expert-level proficiency with MySQL (Percona) including internals, storage engine behavior, replication topologies, and performance optimization
  • Strong software engineering skills with proficiency in Python and/or Go for tooling, automation, and data pipeline development
  • Experience designing and building data pipelines using streaming or batch processing frameworks
  • Strong experience with Redis for caching architectures, pub/sub systems, and high-performance data structures
  • Advanced Linux systems knowledge with understanding of kernel behavior, I/O patterns, and hardware optimization for database workloads
  • Experience with distributed systems concepts including CAP theorem trade-offs, consensus protocols, and partition tolerance
  • Proficiency with infrastructure-as-code tools (Terraform, Ansible, Pulumi) for database infrastructure automation
  • Experience with monitoring and observability platforms (Datadog, Prometheus, PMM) for building database observability solutions
  • Strong understanding of query optimization including execution plans, index design, and workload analysis
  • Gaming industry experience with understanding of real-time gaming database requirements and low-latency data access patterns (preferred)
  • Deep MySQL internals knowledge including InnoDB internals, buffer pool tuning, redo/undo logs, and MVCC behavior (preferred)
  • Experience building database proxies or middleware (ProxySQL, Vitess, custom solutions) for connection management and query routing (preferred)
  • MySQL replication expertise including GTID-based replication, multi-source replication, and replication lag optimization (preferred)
  • Cloud database architecture experience with AWS (RDS, Aurora) and/or GCP (Cloud SQL, AlloyDB) for hybrid database strategies (preferred)
  • Experience with ScyllaDB and/or Cassandra for high-throughput, low-latency distributed workloads (preferred)
  • Knowledge of MySQL sharding and partitioning strategies for large-scale data distribution and query performance (preferred)
  • Experience building zero-downtime migration tooling (pt-online-schema-change, gh-ost) for schema evolution at scale (preferred)
  • Container and Kubernetes experience for database operator development and cloud-native MySQL deployments (preferred)
  • MySQL backup and recovery expertise including Percona XtraBackup, point-in-time recovery, and disaster recovery procedures (preferred)
  • Track record of accumulating wins — History of successful project delivery and measurable infrastructure improvements (preferred)
  • Open source contributions to MySQL ecosystem tools, drivers, or infrastructure projects (preferred).

Benefits

  • 100% remote (work from anywhere!)

Job title

Backend Engineer

Job type

Full Time

Experience level

Mid levelSenior

Salary

Not specified

Degree requirement

Bachelor's Degree

Tech skills

AnsibleAWSCassandraCloudDistributed SystemsETLGoogle Cloud PlatformKubernetesLinuxMySQLOpen SourcePrometheusPythonRedisSQLTerraformGo

Location requirements

RemoteWorldwide

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