Freelance SQL Server DBA & Full-Stack Consultant
Looking for senior technical expertise? I offer specialized freelance consulting services spanning full-stack software development, high-throughput backend systems, cloud infrastructure architectures, and deep-dive database optimization.
Whether you need emergency on-call DBA incident response to resolve a production bottleneck, a structural review of your application's data layer, or a custom training workshop for your engineering team, I am available to help stabilize and scale your technology stack. Browse the service listings below to find the model that fits your operational needs.
Software Engineering
Application development, backend architecture, automation tooling, and modernization of existing software.
Full-Stack Software Engineering & Programming
End-to-end software development, API integrations, and feature implementation tailored to project specifications and modern development stacks.
High-Performance Backend & API Architecture
Designing and building ultra-fast, scalable APIs and microservices using TypeScript (NodeJS/Bun) or C# (.NET) optimized for heavy database throughput.
Legacy Codebase Modernization & Refactoring
Auditing and restructuring technical debt in mature C#, PHP, or Node.js applications, upgrading runtime environments (e.g., migrating Node to Bun), and improving maintainability.
Custom CLI Automation & DevOps Tooling
Developing high-performance Command Line Interfaces (CLI) and automated scripts to streamline data processing, system migrations, or internal operations.
Database Engineering & Performance
Continuous performance analysis, query tuning, architecture optimization, and database system health audits.
SQL Server Performance Tuning & Query Optimization
Deep-dive analysis of server bottlenecks (Wait Stats, Parameter Sniffing, heavy execution plans) and optimization of source code, queries, and indexing.
Index & Statistics Strategy Overhaul
Identification and removal of unused indexes, implementation of missing indexes, and optimization of scheduled maintenance jobs for database statistics.
Database Code Review for Development Teams
Proactive audit of ORM-generated queries (Entity Framework, NHibernate, etc.) to eliminate N+1 problems and inefficient data access patterns before code hits production.
SQL Server Health Check & Risk Assessment
Comprehensive review of SQL Server configuration (MAXDOP, Cost Threshold for Parallelism, TempDB allocation) and identification of hidden performance risks based on industry best practices.
Operations, Maintenance & Incident Support
Ongoing runtime support, rapid production debugging, standard code upgrades, and emergency system assistance.
Emergency DBA Support & P1 Incident Response
Priority database incident response and emergency troubleshooting addressing critical production failures, data availability issues, and severe performance degradation.
System Troubleshooting & Bug Rectification
Diagnostic investigation, root-cause analysis, and hotfixing of software bugs, runtime errors, and application performance degradations.
Ongoing Software Maintenance & System Support
System maintenance, library updates, security patching, and minor modifications to ensure operational stability.
Consulting & Training
Strategic advisory sessions, developer-centric workshops, engineering alignment meetings, and tech feasibility research.
Technical Feasibility Study & Software Architecture
Requirements gathering, system design, tech-stack evaluation, and architectural blueprinting for upcoming software development projects.
Workshop: Database Optimization for Developers (Full day)
Tailored full-day training sessions teaching internal development teams how to write database-friendly code, design efficient indexes, and interpret execution plans.
Workshop: Database Optimization for Developers (Half-day)
Tailored half-day training sessions teaching internal development teams how to write database-friendly code, design efficient indexes, and interpret execution plans.