David Isser
Las Vegas, NV
Principal Data Infrastructure Engineer
Staff Database / DevOps Engineer
Contact: isserd@gmail.com
Professional Summary
Staff-level Database and Platform Engineer with 15+ years of experience designing, scaling, and operating mission-critical data infrastructure across high-growth SaaS, aviation, gaming, consulting, and enterprise environments.
Specialized in solving complex data integrity, performance, scalability, and operational reliability challenges that impact multiple engineering organizations. Recognized as a technical escalation point for high-risk database incidents, difficult production issues, and large-scale architectural migrations.
Deep expertise across MySQL, PostgreSQL, Kubernetes, cloud infrastructure, DevOps automation, distributed systems, database reliability engineering, and AI-assisted operational tooling. Proven record of enabling engineering teams through platform development, self-service infrastructure, automated governance, and scalable data architectures.
Areas of Expertise
- Database Reliability Engineering (DBRE)
- Data Integrity & Data Quality Programs
- MySQL & PostgreSQL Architecture
- Kubernetes & Platform Engineering
- Cloud Infrastructure (AWS & GCP)
- DevOps & CI/CD Automation
- Terraform & Infrastructure as Code
- Performance Tuning & Query Optimization
- Disaster Recovery & High Availability
- AI-Powered Engineering Automation
- Developer Enablement Platforms
- Distributed Systems & Scalability
Certifications: AWS SysOps Administrator Associate, AWS Cloud Practitioner
Professional Experience
2020-Present
Staff Database / DevOps Engineer at Recharge Payments
Served as a senior technical leader and escalation point for database reliability, data integrity, platform engineering, and cloud infrastructure initiatives supporting multiple engineering organizations.
Selected Impact
- Trusted escalation engineer for the organization’s most complex database performance, operational, and data consistency incidents.
- Supported and enabled 10+ engineering teams through platform improvements, database automation, and performance optimization.
- Led multiple zero-downtime migrations involving multi-terabyte production datasets.
- Established automated database deployment workflows enabling safe schema changes for 30+ developers.
- Reduced operational risk through multi-cloud disaster recovery architecture.
- Pioneered AI-assisted database engineering capabilities integrated into operational workflows and developer tooling.
Key Accomplishments
Led organization-wide migration from MySQL 5.7 to MySQL 8, modernizing database infrastructure while maintaining service continuity across critical production systems.
Designed and executed zero-downtime migration of more than 2 TB of production data to support horizontal scaling initiatives.
Established a company-wide data integrity program addressing systemic data consistency issues and improving trust in business-critical datasets.
Consolidated approximately 30 Redis instances through proxy-based sharding architecture.
Built database observability tooling and slow-query analytics platforms that improved diagnosis and remediation of production performance issues.
Designed custom automation integrating Kubernetes, HAProxy, Python, and cloud infrastructure to support zero-downtime database migrations.
Implemented CI/CD workflows for database schema changes using Liquibase and GitLab.
Developed secure database access and credential lifecycle management using Vault and Terraform.
Created ephemeral MySQL and PostgreSQL environments enabling faster testing and developer productivity.
Architected disaster recovery solutions spanning GCP and AWS.
Fixed hundreds of production-impacting queries and served as primary escalation engineer for complex database performance investigations.
Built AI-powered DBA automation tooling leveraging Gemini, OpenAI, and LLM workflows.
Designed and deployed an internal MCP server providing safe AI access to production schemas, query plans, and metadata across 17 databases.
Developed shared Claude Code skills and AI-assisted engineering workflows adopted by DBA, DevOps, Infrastructure, and Security teams.
200 databases managed
Largest DB > 18 TB
80,000 transaction per second
150 Engineers supported
Mitigated hundreds of incidents
Saved hundreds of thousands of dollars in cost
Utilized 10 AI skills to increase performance in code
2019-Present
Developer / Architect at Guidestar Attendance (Remote)
- Architected and developed a Flask-based attendance and meal-tracking platform serving daycare organizations.
- Designed PostgreSQL schema architecture and migration workflows using Alembic.
- Engineered infrastructure automation that automatically reduced database costs during inactivity periods.
- Rapidly delivered pandemic-related capabilities that helped customers continue operating and reopening.
- Reduced cloud operating costs by approximately 85% while maintaining platform reliability and customer experience.
2017-2020
Senior DevOps Engineer at Allegiant Air (Las Vegas, NV)
- Led enterprise containerization initiatives migrating airline microservices to OpenShift.
- Designed Infrastructure-as-Code standards spanning AWS and VMware environments using Terraform.
- Built CI/CD platforms that migrated engineering teams from Bamboo to Jenkins.
- Developed automation frameworks using Ansible across database, middleware, messaging, and application platforms.
- Engineered networking and load-balancing solutions using F5 technologies.
- Built Python automation systems capable of generating pull requests and reducing manual engineering effort.
2015-2017
Senior Database Administrator at Allegiant Air (Las Vegas, NV)
- Managed thousands of databases through extensive automation of backups, replication, deployments, refreshes, and disaster recovery processes.
- Built and maintained enterprise Flyway migration frameworks.
- Developed critical aviation compliance data solutions supporting pilot legality systems.
- Architected major operational and commercial data models including hotel, seat, search, and check-in platforms.
2014-2015
Database Administrator at Caesars Entertainment (Las Vegas, NV)
- Developed and maintained Teradata ETL, BI, and operational reporting solutions.
- Authored BTEQ and Tpump automation supporting large-scale enterprise data workflows.
2012-2014
Database Engineer at WealthEngine (Bethesda, MD)
- Developed Oracle PL/SQL data-mining solutions supporting wealth intelligence products.
- Designed ETL pipelines integrating multiple enterprise data sources into Exadata platforms.
2010-2012
Consultant at IBM (Herndon, VA)
- Developed executive supply-chain analytics data models for Pfizer leadership and operational reporting initiatives.
2009-2010
Operations Research Analyst at Northrop Grumman (Fairfax, VA)
- Authored mathematical and statistical modeling components for confidential government studies.
- Developed analytical methodologies involving Kalman filtering and advanced quantitative analysis.
Education
Bachelor of Science, Mathematics and Computer
Science
University of Maryland / Yeshiva University
- Cum Laude with Departmental Honors
- Overall GPA: 3.65
- Major GPA: 4.0
Core Technologies
Databases
- MySQL
- PostgreSQL
- SQL Server
- Oracle
- Redis
- Flyway
- Liquibase
- MaxScale
- PGHero
- pgBouncer
Cloud & Infrastructure
- AWS
- GCP
- Kubernetes
- Helm
- Terraform
- Vault
- Consul
- Docker
- Linux
Automation & Operations
- Python
- Bash
- Git
- YAML
- Jenkins
- GitLab CI/CD
- Ansible
- Splunk
- SignalFX
- HAProxy
AI & Productivity
- Claude
- OpenAI
- Gemini
- MCP
- AI Engineering
- Developer Enablement
- Platform Engineering