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David Chester

Sr. IT Systems Analyst, EDI

Xifin

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Course

Introduction to Python

Inquisitive analyst, forever asking 'Why?' to uncover the truth in data.

My Work

Take a look at my latest work.

course

Introduction to Python

course

Introduction to Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Artificial Intelligence
Understanding Data Science

My Work Experience

Where I've interned and worked during my career.

XIFIN, Inc. | Apr 2022 - Present

Sr. IT Systems Analyst, EDI

• Provides mid-level development and support for Electronic Data Interchange (EDI) processes and utilities, including testing, implementing, and maintaining EDI transactions • Automate manual tasks using RPA software • Diagnoses problems with EDI processes, working with other technical and/or business resources as necessary for assistance • Acts as an escalated technical contact for external trading partners/payers on EDI-related issues, questions, and activities • Oversees EDI and batch processes daily • Provide regular reporting on metrics and trends to identify areas for improvement and automation • Establish, document, and maintain EDI procedures/processes • Monitor daily EDI transactions, including lifecycle reconciliation
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XIFIN, Inc. | Apr 2021 - Apr 2022

IT Systems Analyst, EDI

Responsibilities • Missing ERA lead • Provide development and support for EDI processes and utilities, including testing, implementing, and maintaining EDI transactions • Automate manual tasks using RPA software • Diagnose problems with EDI processes, partnering with other technical and/ or business resources as necessary • Serve as an escalated technical contact for external trading partners/payers on EDI-related issues, questions, and activities • Oversee EDI and batch processes daily • Provide regular reporting on metrics and trends to identify areas for improvement and automation • Establish, document, and maintain EDI procedures/processes • Monitor daily EDI transactions, including lifecycle reconciliation • Resolve Salesforce cases • Ensure payer configurations are completed correctly and timely, including payer ID, submission service, message mapping, and field edits • Review daily claim rejection report, investigate cause, resolve issues and update systems • Responsible for opening files, parsing, and analyzing against specs to ensure compliance for updates or disputes

XIFIN, Inc. | Jan 2021 - Apr 2021

Senior Payment Posting Specialist

• Representative for team in department meeting • Posting Insurance and 3rd party payments and adjustments • Retrieve EOBs and ERAs via calls, portal search and other means

XIFIN, Inc. | Jan 2020 - Jan 2021

Payment Posting Representative

• Within 1st year was chosen to represent team in weekly department meeting • Poster for the largest account • Posting Insurance and 3rd party payments and adjustments • Retrieve EOBs and ERAs via calls, portal search and other means

DealerSocket | Jun 2017 - Jan 2020

Accounts Payable Specialist

• Company's expert on Stampli invoice approval system • Experience with Sage Intacct system • Work with general ledger team on cancellations • Enter around 60-100 invoices/week into financial database • Run reports and provide updates on account statements • Keep company up to date on payments to vendors, severely reduced aging approval requests • Sort physical and electronic team mail • Respond to inquiries • Reconcile vendor statements, research and correct discrepancies • Assist in month end closing • Maintain files and documentation thoroughly and accurately, in accordance with company policy and accepted accounting practices • Assist with other AP and General Ledger projects as needed

DealerSocket | Feb 2016 - Jun 2017

Maintenance and Renewal Specialist

• Prepare renewal or “sweep” quotes based on a pre-determined set of variables • Ensure accuracy of a high volume of client data and prepared quotes • Educate client on price increase/renewal • When applicable, seek appropriate approvals for exceptions to standard pricing and terms and use wise discretion when escalating “at risk” customers • Review, communicate and track asset discrepancies vs. existing contract • Maintain database to reflect updated terms and prices as needed • Manage email correspondence between employees and customers • Manage aging cancellation/concession objects and ensure that customer expectations and timeline are accurately met • Process decommission and concession requests from customers • Assist with all activities related to decommission pipeline maintenance and reporting • Data Entry-Salesforce and Excel • Translate Emails into Salesforce • Train other employees including managers on Salesforce workflows • Manage team inbox of 400 emails a week • Customer Service

Elevate Tutoring | Apr 2016 - Jun 2016

Tutor

Tutored 4 children in Elementary Math to 8th Grade Algebra Strengthened and inspired children to take an interest in math. Applied different teaching methods to best meet needs of each child.

Ross Stores, Inc. | Mar 2015 - Jun 2016

Sales Associate

Cashiering Stock Customer Service

David Chester's Mathematics Tutoring | Feb 2015 - Present

Mathematics Tutor

• Professionally tutored 13+ students from elementary to high school in Arithmetic, Geometry, Trigonometry, Algebra 1 and 2 • Able to break complex mathematical concepts into simplest component parts • Can adjust lesson plan to individual students needs and make sure that they feel have some control over the lessons

San Diego State University | Jan 2014 - May 2014

Research Assistant/Independent Study

Tested functionality of professor’s algorithm for scalar Bessel function calculations in MATLAB

SAAB SDSU chapter | May 2013 - May 2014

Parliamentarian

Keeping the meetings orderly, professional, respectful, and on time.

Fallas | Jun 2013 - Aug 2013

Sales Associate

Did heavy lifting of 200-500 boxes and crates daily Shelf Stocking Customer Service

Subway | Jun 2010 - Sep 2010

Sandwich Artist

Often ran entire store with only one other employee Cashier-Cash Handling-3.5 months experience Handled demands from multiple customers and managers at same time Handled variety of tasks including: food preparation, cleaning, and store organizing Made sure customer had pleasant experience.

Golden Triangle Martinizing | Jun 2009 - Mar 2010

Cashier/Janitor

Cashier-Cash Handling-10 months experience Data Entry Educated employee on how to be familiar with cleaning equipment and clothes check-in system. Solved clothes' system classification problems. Checked customer clothes in and provided company service info to customer. Made sure customer had pleasant experience. Minor pressing experience. Cleaned store to provide a hygienic work environment.

Canyon Crest Academy | Jan 2006 - Jan 2009

Teacher Assistant (Multiple Positions)

Teacher Assistant for Math, Spanish, Tech Theater classes and Office Assitant Tutored students in variety of subjects Acquired multitude of office, instructive, and listening skills

My Education

Take a look at my formal education

Associate's Degree in Management in Information SystemsMiraCosta College | 2022
Associate's degree, AccountingMiraCosta College | 2020
Bachelor's, Mathematics with emphasis in Computational ScienceSan Diego State University-California State University | 2014
General Education, Foreign Language; Spanish; MathematicsCanyon Crest Academy | 2009

About Me

Open to new job opportunities as a junior/entry-level data analyst for jobs that include automating processes such as using RPA. Software: Tableau, Automate, Languages: SQL, Python

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