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dave_s_1

Dave S

@dave_s_1

Analyst Developer, Application Development Database Developer

United States
English
About me
I am a Developer and Database Analyst with extensive experience in SQL, database design, and performance tuning. I have developed complex data schemas and ETL flows, contributing to major system conversions and achieving significant performance gains. I specialize in MS SQL Server, PostgreSQL, and Oracle, leveraging Agile methodologies to deliver high-performance applications.... Read more

Skills

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dave_s_1
Dave S
Offline • 
Average response time: 1 hour

See my services

Desktop Applications
I will create any type of app or database you need
From$1,000 / projectMore details

Work experience

Self_Employed

Principal

Self Employed • Self-employed

Sep 2025 - Present • 1 yr

Designed and built a full‑stack cycling e‑commerce platform supporting both direct‑to‑consumer and affiliate merchandise, with corporate‑grade SEO, a scalable storefront architecture, integrated back-end databases, and an admin console for product management, configuration, and site‑wide messaging.

Xfinity

Developer 4

Xfinity • Full-time

Jun 2023 - Aug 2025 • 2 yrs 2 mos

• Created and maintained schemas, ETL data flows, SQL queries, and reports in the Incorta data lake, improving data accessibility for business users • Contributed to converting the Incorta system during the migration from Oracle ESB to Oracle Fusion, helping ensure continuous reporting functionality • Provided cross-functional support for report design, SQL formulas, and data sourcing, enabling teams to deliver accurate reports

NRG_Energy

Sr Database Developer / Sr Programmer Analyst

NRG Energy • Full-time

Feb 2018 - Sep 2022 • 4 yrs 7 mos

• Designed and enhanced product development and pricing systems using MS SQL Server, PostgreSQL, Oracle, and web interfaces, enabling faster creation of products and reports • Improved performance by 50% through enhancements to product creation system (C#, Razor, JavaScript, HTML / CSS) • Optimized Python / Django product storage system with PostgreSQL back-end (25% improvement) • Collaborated on API integrations, DevOps issues (including AWS, Docker), and CI/CD pipelines (Jenkins, TeamCity, Git / GitHub), resulting in more reliable deployments • Designed multiple ETL processes using SSIS and custom SQL code, streamlining data flow and decreasing load errors • Developed a redesign and merge of two primary systems to increase ease-of-use and reduce redundancy and network bandwidth