Gregory Williams
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Gregory Williams Email & Phone Number

Senior Software Engineer (City of San Francisco Power Department) at City and County of San Francisco
Location: Mountain View, California, United States 10 work roles 3 schools
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Role
Senior Software Engineer (City of San Francisco Power Department)
Location
Mountain View, California, United States
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Gregory Williams is listed as Senior Software Engineer (City of San Francisco Power Department) at City and County of San Francisco, a company with 201 employees, based in Mountain View, California, United States. AeroLeads shows a matched LinkedIn profile for Gregory Williams.

Gregory Williams previously worked as Senior Software Engineer HP at Hewlett Packard Enterprise and Independent Developer of iOS at Feline Finder. Gregory Williams holds Master Of Science (M.S.), Information Science And Technology from Drexel University.

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City and County of San Francisco

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About Gregory Williams

Senior C# .Net Software Engineer | also iOS Developer | System Implementation | Database Architecture | SQL | NoSQLEmail: gregory.software.eng@gmail.com Senior Developer with 15+ years of experience in software and data engineering, designing, developing, maintaining, and supporting the implementation of critical systems. Work closely with cross-functional product teams to refine features, providing end-users with an easy, secure, reliable, and engaging experience. Database Developer | iOS Developer | Senior Software EngineerEmail: gregoryew@gmail.comImplement new and full-scale product features, writing automated unit and integration tests to ensure stability and quality. Worked closely alongside cross-functional teams to execute polished UI experiences, managing products end-to-end. Strengthen database architecture, developing, optimizing, and overseeing conceptual and logical systems. Provide insight and solutions, utilizing Agile, RAD, and Waterfall methodologies. Vast background in relational (SQL Server, SSIS) and noSQL (MongoDB) databases. Tech stack proficiency includes C#, .Net, JavaScript, Node.js, Swift and iOS.CORE COMPETENCES:• iOS Development• Software Engineering• Database Architecture• System Implementation• User Experience• Product Management• Integration Testing• SQL, MS SQL, SSIS• Query Performance Tuning• Stored Procedures, Views & UDFS• Swift, JavaScript, Node.js• Team CollaborationACCOMPLISHMENTS:~Originated, designed, and programmed a 5-star native iOS app called Feline Finder using Swift available on the iOS app store.~Converted 100% of Williams Sonoma’s proprietary Human Capital Management SQL Server database to Oracle HCM. Included all data for a half a million employees from the inception of the company until now.~Designed and developed system of SSIS packages and stored procedures which turned Chubb's batch system from a system which could only run once during the weekend being constantly monitored to one which ran multiple times daily self-monitored.Please contact me at (856) 425-8233 with iOS Developer and Senior Software Engineer opportunities

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Gregory Williams's current company

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City and County of San Francisco
City And County Of San Francisco
Senior Software Engineer (City of San Francisco Power Department)
Mountain View, CA, US
Website
Employees
201
AeroLeads page
10 roles

Gregory Williams work experience

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Independent Developer Of Ios

Current
Feline Finder
  • Answers the question: What if you could answer a few questions and receive a suggestion about a breed of cat appropriate for you, then receive information about the breed and local shelters for you to adopt a cat?
  • Utilized Swift and XCode to develop and launch an iOS app that achieved a 5-star rating and over 4K downloads in the app store. Single-handedly conceptualized the original design then hired and managed a graphic.
  • Leveraged Apple search ads, Facebook ads, and website reviews to promote the app. Secured app reviews on 6 impactful websites.
  • Worked closely with a nonprofit called rescueGroups.org to retrieve and display data for the app to enable users to more easily identify and rescue cats
Aug 2016 - Present

Software Engineer V At Lexisnexis Risk Solutions

Alpharetta, GA, US

Work on crucial programs to handle the generation of data files that they sell to their customers. Used to help mitigate risk.

Feb 2022 - Jul 2022

Programmer V

Palm Harbor, Florida, US

Work in Geographic Solutions Agile unemployment insurance team as a full-stack.Net developer. We provide the unemployment insurance portal for many states nationwide. Daily operations include handling many stories involving fixing bugs and adding minor and significant new features. Most recently, COVID-19 insurance payment features and prenatal family.

Mar 2021 - Apr 2022

Senior Data Engineer

San Francisco, CA, US

Converted all half a million Williams Sonoma's employees encompassing the formation of the company to present by eliciting requirements to transform and load from a proprietary SQL Server DB system to OracleHCM cloud.Cleaned missing, duplicate, and miscategorized employee data by analyzing and writing SQL scripts to clean, import, and load 100% of data to.

Jul 2019 - Jun 2020

Senior Software Engineer

  • AutoFi, launched in 2016, was expanding its online application that allowed auto shoppers to complete their purchases on a the internet and gave dealerships and lenders additional ways to compete for business by.
  • Software Developer of key express checkout features for dealerships as an Agile team senior Node.js developer
  • Utilized micro service data processing software architecture hosted on the cloud using Heroku.
  • Provided the capability to determine credit worthiness of a customer using a DealerTrack interface
  • Scripted features to calculate taxes for vehicles, and refine detailed algorithms to calculate car pricing
  • Enhanced features that added flexibility for dealerships in rolling out sales promotions and discounts
Jul 2018 - Apr 2019

Student

Student At Hack Reactor
  • Objective was to replicate a Yelp site including front-end, back-end, and reviews.
  • Developed a modular and aesthetically pleasing performant reviews component that was designed based on Yelp by using tools such as JavaScript ES6 and React for front-end functionality as well as Node JS, Express.
  • Coded features such as full text search and sort as well as a unique voting function that uses a cookie and a uuid. Collaborated with two engineers to successfully deploy the app to Docker on AWS.
Mar 2018 - Jun 2018

Senior Associate

Teaneck, New Jersey, US

  • A Fortune 500 company that offers global clients IT outsourcing, consulting, and services management. Chubb (my employer from 2003 to 2009) outsourced its IT functions to Cognizant with the stipulation that I was to be.
  • Performed leadership role in business integration following Chubb’s acquisition by the Canadian-based insurance company ACE-INA. (ACE Limited). Spearheaded the development of a reinsurance system that integrated the.
  • Collaborated with the Chubb/ACE-INA client in the design, development, implementation and analysis of a complex project which included leveraging full stack VB/C#.Net WinForms, SSIS, and SQL server software development.
  • Senior software engineer of feature implementation for a C# and VB.net reinsurance application to provide international currency support, foster new business opportunities, and integrate legacy Chubb and ACE business
  • Managed various projects and coordinated with programmers. To ensure continuing Microsoft support, converted a 500K line VB6 applications to a.Net application by converting ActiveX controls to.Net equivalents.
  • Reduced query times 83% and reduced labor hours by establishing an automated invoice emailing system, analyzing query plans, and optimizing over 100 stored procedures and user defined functions
Aug 2009 - Mar 2018

Senior Software Engineer

CH

  • Wrote hundreds of T-SQL queries, stored procedures, and views
  • Designed the schema for much of the reinsurance departments systems and performed normalization and denormalization and query optimization.
  • Re-engineered attention-demanding VB6 batch process restricted to running only on weekends and replaced it with a system of SSIS packages that ran self-sufficiently, processing up to 1.5 million reclaims daily.
  • Received Above and Beyond Award for replacing legacy VB6 application with new C# based system.
  • Automated delivery of FIRST docs to Apollo imaging systems with SSIS packages to generate HTML and PDF.
  • Reduced maintenance costs by 50% through converting data using SQL Server and replacing 2 legacy systems.
Oct 2003 - Aug 2009
Team & coworkers

Colleagues at City and County of San Francisco

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3 education records

Gregory Williams education

Master Of Science (M.S.), Information Science And Technology

Drexel University

Bachelor Of Science (B.S), Information Science And Technology

Drexel University

Full Stack Javascript

Hack Reactor
FAQ

Frequently asked questions about Gregory Williams

Quick answers generated from the profile data available on this page.

What company does Gregory Williams work for?

Gregory Williams works for City and County of San Francisco.

What is Gregory Williams's role at City and County of San Francisco?

Gregory Williams is listed as Senior Software Engineer (City of San Francisco Power Department) at City and County of San Francisco.

Where is Gregory Williams based?

Gregory Williams is based in Mountain View, California, United States while working with City and County of San Francisco.

What companies has Gregory Williams worked for?

Gregory Williams has worked for City And County Of San Francisco, Hewlett Packard Enterprise, Feline Finder, Lexisnexis Risk Solutions, and Geographic Solutions, Inc..

Who are Gregory Williams's colleagues at City and County of San Francisco?

Gregory Williams's colleagues at City and County of San Francisco include Stacey Mccallum, Claudia Pfeil, James Krumme, Erin Schomp, and Cheryl Forster.

How can I contact Gregory Williams?

You can use AeroLeads to view verified contact signals for Gregory Williams at City and County of San Francisco, including work email, phone, and LinkedIn data when available.

What schools did Gregory Williams attend?

Gregory Williams holds Master Of Science (M.S.), Information Science And Technology from Drexel University.

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