Christopher Gravatt Software Engineer

Software Engineer

Delphia

Jun 2022 - Mar 2023 (10 months)

• Developed backend systems for a retail investment app that utilizes user data to improve stock picking algorithm ○ Interfaced with Plaid API to build an ETL pipeline using Python to store users' banking and investment transactions ○ Utilized GCP Big Query to store, manage, and delete (when necessary) extracted data ○ Wrote SQL queries to ensure user data is properly deleted

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Software Engineer

AdhereTech

Nov 2021 - Apr 2022 (6 months)

• Developed features for, and maintained a legacy code base that supports multiple web applications, using Ruby on Rails. The product is an IOT enabled smart pill bottle! ○ Interfaced with Twilio API to facilitate sms message handling and patient phone information ○ Wrote a script to auto-populate new production data fields to ensure new features could be implemented ○ Worked directly with stakeholders to solve business problems

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Software Engineer

Applied Insight

Apr 2018 - Sep 2021 (3 years 6 months)

• Developed a workflow application using Python and Django, hosted on EC2s and data stored in RDS databases ○ Utilized Github Checks to build a CI/CD pipeline ○ Utilized Django's backend-generated database design to implement data models/tables ○ Utilized custom-built controllers to implement business logic ○ Wrote Unit and Integration tests to ensure quality of code, utilized continuous integration via Github Checks to run tests on PR submissions ○ Created an email notification microservice that interfaced with an inter-network SMTP mail relay (not to be confused with another project of a similar vein, below!) • Developed a cloud native finance and budgeting web application using Java/Spring/Hibernate ○ Utilized advanced SQL querying tech

Applications Developer

Leidos

Aug 2017 - Apr 2018 (9 months)

• Developed a cloud native, microservice oriented, web application using AWS/C2S from the ground up ○ Used SQS, Python with Flask, and RESTful web services, to create an email notification microservice that interfaced with an inter-network SMTP mail relay ○ Worked under the constraints of C2S, an air-gapped government cloud network built for AWS.

Christopher Gravatt

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