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Seamless.AI

Database Performance Engineer - Remote US

Sorry, this job was removed at 11:17 a.m. (PST) on Wednesday, May 13, 2026
Remote
Hiring Remotely in United States
Remote
Hiring Remotely in United States

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The Opportunity

We’re seeking a Database Performance Engineer to join our Engineering Infrastructure team at Seamless.

In this role, you’ll be responsible for optimizing database performance, scalability, reliability, and compliance across our high-traffic data systems. You’ll work closely with engineering, product, and DevOps teams to ensure seamless data flow, sub-second query times, and high availability across our PostgreSQL and OpenSearch clusters.

Your work will have a direct impact on system performance, customer experience, and operational efficiency as you identify, resolve, and prevent bottlenecks in mission-critical data environments.

Responsibilities
  • Own the health, performance, and reliability of our PostgreSQL and OpenSearch environments in production.
  • Design, manage, and validate backup and recovery processes, including routine backup monitoring, restore testing, and disaster recovery readiness.
  • Analyze and optimize slow queries, indexing strategies, and execution plans across both PostgreSQL and OpenSearch.
  • Improve database performance for large-scale datasets (1TB+), with a focus on latency, throughput, storage efficiency, and stability.
  • Lead data modeling and schema design decisions to support scalable application growth and reporting needs.
  • Design and optimize indexing, partitioning, and data access patterns for high-volume workloads.
  • Partner with engineering to improve how applications interact with PostgreSQL and OpenSearch, including query design and performance best practices.
  • Monitor database health and proactively address issues related to replication, storage growth, resource utilization, and query performance.
  • Troubleshoot production incidents involving database performance, search performance, and data integrity, and drive root cause resolution.
  • Recommend and implement improvements to architecture, tooling, and processes that increase scalability and reduce operational risk.

Skillset
  • Strong hands-on experience managing PostgreSQL in production environments.
  • Experience with OpenSearch or Elasticsearch in production, including query tuning and index optimization.
  • Deep experience with query optimization, execution plan analysis, and performance tuning for large datasets.
  • Strong understanding of data modeling, schema design, and indexing strategies.
  • Experience supporting databases with high data volume and growth, ideally in environments with datasets of 1TB+.
  • Comfortable working closely with software engineers to improve application-level data access and query efficiency.
Education & Requirements
  • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
  • Proven experience managing and optimizing large-scale production databases.
  • Strong collaboration skills with Engineering, DevOps, and Security teams.
  • U.S. work authorization required (Visa Sponsorship not included).
 

Since 2015, Seamless.AI has helped sales teams maximize revenue with the world’s first real-time B2B search engine. As one of Ohio’s fastest-growing companies, we’ve earned top industry accolades, including G2’s 2025 Best Software Products (#1 Highest Satisfaction Product), Purpose Jobs’ 2024 Best Places to Work, and LinkedIn’s Top 50 Tech Startups (2020, 2022, 2023). We are committed to a diverse, inclusive workplace and do not discriminate based on race, religion, gender, sexual orientation, age, or other protected statuses. Visa sponsorship is not available; applicants must be authorized to work in the U.S.

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