Management Software Engineer
Resume:
Christopher Mahan
***** ******* ** **** ***, Northridge, CA 91325
*****.*****@*****.***
http://christophermahan.com/
SUMMARY
Creative software engineer with 12 years of experience. Strengths include building interactive web sites, reporting
systems, data storage systems and server automation. Extra care given to system usability, maintainability and simplicity.
SKILLS
C# - Python - PHP - ASP - JavaScript - [X]HTML[5] CSS - Debian - Solaris - Windows Server 2003
MySQL - MSSQL - sqlite - Oracle
IIS - Apache - nginx - XML-RPC - VPS - Cloud (AWS-Rackspace) - API - Fabric
Android - SL4A
CONSULTING SERVICES
Enhancements to multi-CDN front-end system, both client and admin areas, with Python, PHP, MySQL
Integration with third-party APIs via SOAP, REST, XML-RPC, such as paypal.com, encoding.com, heywatch.com,
edgecast.com
Development of API for video loading, encoding, deployment to CDN and playlist creation, specifically for iPhone
HTTP Streaming (m3u8)
E-commerce site customization with CS-Cart, PHP, MySQL, JavaScript, python. Media files on Amazon S3.
Server setup and maintenance. Windows 2000, 2003, Linux. Automated cloud deployment (Rackcloudspace, python
fabric, Apache libcloud)
Web-based reporting application for loan process queue management, online loan-pricing, excel pivot tables for loan
officer commissions. Mailings with MS Word, Python, MSSQL
Server migration and maintenance automation with Python. Firewall and network configuration: Cisco, SonicWall.
Developed and maintain kissws.com for development use, including service logging, queues.
Cloud sevices consultation, S3, CloudFront, rackspacecloud, encoding.com api
CORPORATE EXPERIENCE
Countrywide, Bank of America (Calabasas)
Analyst III, 2010-
Enhancements to SQL reports for subprime repurchase pool management
Reporting automation, dependency management
Data transformation, validation
Creation of web-based internal tools for discovery, graphing of data relationships (Python, web.py, graphviz)
Created desktop-deployed .NET application that povides hybrid desktop and web environment to deploy team tools,
reports, and other systems.
Health Net, Inc. (Woodland Hills, CA)
Programmer Analyst 2004 - 2009
Designed and built custom application framework in ASP Classic with granular role-based security, database
connection wrappers, user-dependent menu, database-persisted session and key-value store. Used as security and UI
framework for nine applications that were unsecured and standalone before.
Built web-based hospital utilization reports.
Designed, implemented, tested web-based medical management reporting engine for EDS-built medical auth
transaction system. This included report definitions, customizable data filters, measures, submeasures, and custom
column banding; drillable from national level to member listing to member detail level. Metadata in MSSQL 2000,
user data in read-only Oracle 9 data warehouse, JavaScript + synchronous AJAX and filter mechanisms. All
table-driven. Used by medical management as primary reporting tool.
Designed and built Appeals and Grievances reporting system with data filters, date-range selection, and compliance
calculation. Metadata in MSSQL2000, user data in read-only Oracle 9 data warehouse.
Wrote a suite of Python scripts to automate deployment to test and production servers; to monitor, maintain uptime
and availability on Solaris 9, integration with XML-RPC for preemptive reporting cache optimization. This reduced
on-demand page generation time to meet SLA.
Debugging and additions to provider system maintenance. C# .NET.
Documentation and maintenance of Provider Credentialing application. FoxPro v8.
Imperial Capital Bank, (Encino, CA)
DBA/Analyst Programmer 1999-2003
Database administration (Access 97, 2000, MSSQL 2000); application development (XHTML+CSS+ASP+ADO on
intranet, Access97 and 2000); systems design, evaluation, development, documentation (loan operations, audit
reporting, user management); script automation (VBScript, Python, XML-RPC); user password/groups management
Win/Exchange; Win2K Server+IIS setup/admin/backup + Active Directory.
Loan databases with customized intranet reports and csv exports to Excel. Residential loan portfolio analysis (1000+
loans, $120M+) with gap, delinquency, roll rates, CRA, FHLB reporting. Reports on credit rating average falling at or
near loan payment repricing due to more creditworthy borrowers refinancing away from the pool prompted executive
management to sell the entire loan pool.
Designed and implemented a web-based replacement for legacy applications in security, invoicing, HR, production,
management real-time reporting, etc. Crystal Reports.
Custom system for ASP-based authentication, session-maintenance, granular security, and access login. PGP, AES
encryption, MD5 and SHA. SSH and telnet server administration. Scripted and command-line FTP. Samba,
PostgreSQL, Apache 2.0, Python, PHP. Setup LAMP server on DMZ for special 4-month project to automatically
report on software deployed on company computers.
ACTIVITIES and PROJECTS
Member of Southern California Python user group. Presented several times.
Debian fabric deployment tools
Android SL4A python scripting
Automated cloud deployment with libcloud, others
EDUCATION
Bachelor of Science in Information Systems (Business option) from California State University, Northridge.
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