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.
- 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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What We Do
Prospecting and relationship-building can be a labor-intensive, costly and opaque process undermined by outdated technology, information, and data entry. We share that frustration, which is why we have created a tool that allows you to Seamlessly connect with your target market, build profitable relationships and acquire new clients - all by using the power of AI. We are built on the core purpose of creating “great lives for great people,” which extends beyond our great employees to our clients, partners, and supporters. This guiding principle informs every decision we make, while also attracting a diverse body of intelligent and talented people who, in turn, reinforce these values daily to everyone we engage with. Mission: To help every professional globally create new relationships and opportunities, faster than ever before using the power of artificial intelligence. We want to help the world connect to opportunity and positively impact billions!
Why Work With Us
Seamless.AI stands out by working with every employee to help them achieve their full potential through our benefits: 401k, remote work, work-life balance, parental leave, career advancement, on-the-job training, coaching, competitive pay, performance incentives, unlimited sales commissions, transparent leadership, and more!
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