# Sergio Angulo > Senior Software Application Developer / Engineer Location: San Francisco, California, United States Profile: https://flows.cv/sergioangulo Multifaceted Software Engineer / Application Developer with over 20 years of experience and strong background in custom development, systems analysis, systems integration, client support, and enterprise-level application and data environments across various industries. Skilled in full-stack design and development, ETL and batch processing, leading/coordinating work efforts (Agile & Waterfall), product ownership, requirements gathering, analysis, detailed design, relational data modeling, implementation, and support. Technical Skills: C#, Python, T-SQL, VB.NET, Azure DevOps, Build Engineering, Angular 2+, PL/SQL, JSON, XML, HTML, CSS, .NET Framework 1.0-4.5, Entity Framework, Django ORM, MVC, MVT, WPF, WinForms, WebForms, SOA, n-Tier, REST APIs, ASP.NET, Django Rest Framework, SQL Server, Oracle, Stored Procs, MS Access, SSIS, Stonebranch, CI/CD, Netlify, IIS, GitHub, Team Foundation Server (TFS), VSS, Bitbucket, Artifactory, Jenkins, Balsamiq, Visio, Lucidchart, Wrike, JIRA, Confluence Business/Project Skills: Product Owner, Agile, Waterfall, CSM (Scrum Allliance), Requirements Gathering, Detailed Design and Writing Technical Specifications, System & Architecture Design, UI Design, Database Design & Management, Systems Analysis, Test Planning and Test-Driven Development (TDD), Configuration Management, Deployments Planning and Post-Deployment Client Support ## Work Experience ### Senior Software Engineer @ San Francisco Health Plan Jan 2024 – Present | San Francisco, California, United States • Work closely with team to design, build and maintain business applications and data automation processes. • Code software applications based on business requirements. • Apply common SDLC process methodologies (e.g., AGILE, SCRUM, Waterfall) to job function. • Leverage Microsoft’s suite of technology platforms (i.e., SQL Server, ASP.NET, MVC, Web API 2, WCF, LINQ and Azure DevOps) to develop software that meets business needs. • Architect, build and test highly optimized, object and service-oriented (SOA) software solutions, using SQL Server and the Microsoft .NET Framework. • Design, build and test web services to integrate applications. • Review functional specifications and author technical specification documents; review, clarify and understand business requirements to provide the most efficient and optimal application to support business function. • Serve as a SME for the common codebases. ### Senior Software Application Engineer @ Workday Jan 2021 – Jan 2022 | San Francisco Bay Area • Senior developer on Core Accounting Framework team diagnosing and resolving production bugs and customer-escalated issues for Workday's Financial Management product. • Included programming using XpressO (XO) language and Workday's ecosystem of processes and tools, collaborating with product managers, QA, automation, and software engineers for issue resolution, triaging production issues with customer support while adhering to SLA timelines, accessing sensitive customer data, monitoring/managing CI/CD process to avoid bottlenecks to FINCORE patch commits, creating automated tests for issues resolved, code reviews for engineers, and mentoring new hires on-boarding. ### Senior Software Developer @ The University of Texas at Austin Jan 2017 – Jan 2021 • Senior full-stack developer (Angular2+/Django/Python/Oracle) operating in an Agile, CI/CD, Linux-based environment implementing and maintaining software and data solutions used by UT’s Development Office for fundraising, engagement, and philanthropic efforts. This included implementing new features for home-grown CRM and resolving production issues for Angular components, Django Templates/Views/Models, DRF APIs, and backend processes across our CRM's core applications and interfaces. • Dell Medical School (DMS) Data Integration Project - Interfaced w/DMS and consultants to define requirements. Led analysis, solution design and architecture w/technical team. Developed Django management command project identifying daily changes and outputting to .csv file for DMS’ Salesforce system. Created batch process to automate the matching of DMS donors to existing UT data. Developed UI for selecting DMS donor data to run through matching process and outputting results to SFTP using SSH key-based authentication. Python, Django, Django ORM, Oracle, Stonebranch • UT Donor Group Data Standardization - Reverse-engineered existing process and implemented a Python/Django/Oracle process for organizing donor information into households and organizations based on a complex set of rules. This led to better prospects development, donor outreach, and more accurate giving calculations. Led initiative to update all impacted systems, applications, and UIs, spanning the Development office’s team and suite of applications. • Production source code upgrades - Identified, developed, coordinated, tested, deployed all changes necessary for: o Python 2 to 3 – UT DEV’s Prospects, Reporting, and VIP Details applications o Django 1.x to 2 – UT DEV’s Prospect Engagement Planning, Group Giving, and Endowment Reports applications o Angular 7 to 8 – UT DEV’s Prospect Research & Donor Assessment applications ### Senior Applications Developer & Product Owner @ InteSolv Jan 2016 – Jan 2017 | Austin, Texas Area • Senior full-stack (WPF/C#/.NET/SQL) developer for custom solutions integrating hardware and software using Microsoft technologies and Agile development. Responsible for full-stack maintenance/new features and working with clients directly. C#, WPF, ASP.NET, IIS, SQL Server, BitBucket, SourceTree, Visual Studio. • Product Owner for greenfield web application. Responsible for all user stories, wire-framing, leading daily scrum meetings with team, communicating to stakeholders, and integration tests design and execution. Balsamiq, JIRA, Confluence, TestLodge. ### Travel Sabbatical in Eurasia @ Europe, Asia, Nehru Institute of Mountaineering Jan 2014 – Jan 2016 In 2014, I was fortunate enough to take the trip of a lifetime that included visiting and traveling through the UK, Portugal, Spain, France, Scandinavia, Germany, Central Europe, Eastern Europe, the Balkans, Turkey, India, Nepal, Sri Lanka, and Vietnam. Most of my travel involved staying with locals, which enabled me to take a deeper dive into each foreign culture. Some of my highlights included having the opportunity to live in Bosnia and Spain, which included working in tourism and the service industry in Sarajevo, and during my 7 months in India and Nepal, I attended a mountaineering institute in the Indian Himalayas, rode a motorcycle across the Jammu and Kashmir region of India, and solo trekked in far-eastern Nepal to the Kanchenjunga base camp, the third tallest peak in the world. ### Senior Software Developer @ InteSolv Jan 2013 – Jan 2014 | Austin, Texas • Senior full-stack (WPF/C#/.NET/SQL) developer for custom solutions integrating hardware and software using Microsoft technologies and Agile development. Responsible for full-stack maintenance/new features and working with clients directly. C#, WPF, ASP.NET, LINQ, IIS, SQL Server, BitBucket, SourceTree, Visual Studio. • Lead Developer for custom Windows touch/tablet application (WPF/C#/.NET/SQL) integrating rugged tablets, Bluetooth RFID chips & readers, and serial connection weight scales. Collaborated w/Solution Architect, client project managers and users over multiple on-site visits. Responsible for requirements gathering, system requirements, workflow design, development, testing, user documentation, deployment, and hardware configuration. • GLDS API - Designed & implemented a REST API (C#/ASP.NET/MVC/SQL) for CRUD operations on client’s production data. • ADCP Ultrasound Scribe - Designed & implemented data recording solution that listened to 3rd party legacy software collecting ultrasound data and wrote that data to a custom SQL Server database, using .NET, C#, and XML. ### Volunteering Sabbatical in South America @ Hacienda Tranquila Conservation Project, Academia Sudamericana Youth Football, La Torre Tours Jan 2011 – Jan 2012 | Galapagos, Peru, Bolivia While in South America, I volunteered and worked in a diverse set of roles: Galapagos Islands - Conservation Project Volunteer for Hacienda Tranquila Conservation Project & Sustainable Farm Peru - Photographer, Videographer, Website Designer & Developer, Marketing Coordinator for Academia Sudamericana Youth Football Academy Peru - Manager at Hostal Sudamerica Bolivia - Uyuni Salt Flats Tour Guide & Translator for LaTorre Tours See Volunteer section below for details on each role. ### Lead Developer @ Accenture Jan 2007 – Jan 2011 | Austin Lead Developer managing small teams of developers and QA testers for Texas Medicaid & Healthcare Partnership (TMHP) special projects. Collaborated across enterprise and platforms with project managers, business analysts, state clients, and users to analyze business processes and identify functions and workflow, create functional requirements, set technical specifications, and implement throughout applications and processes supporting the Primary Care Case Management (PCCM) program. Developed and oversaw full-stack development and modifications of web applications, windows applications, batch applications, SQL server jobs/processes, web services, N-tiered/SOA applications (presentation/process/service/data layers) using .NET 2.0/3.0/3.5, C#, VB.NET, ASP.NET, WCF, SOA, JavaScript, HTML, XML, SQL Server, SQL Server DTS/SSIS. Created high-level, detailed design, and systems/application architecture documents and specifications and assigned to developers for build and test. Conducted peer reviews for business requirements, functional designs, detailed designs, code, and test plans. Oversaw work of developers and took corrective action as needed. Other Responsibilities: Migrated & imported legacy databases and applications from MS Access to MS SQL Server & .NET (C#/VB).  Managed builds/deployments for all environments (build, unit test, integration, regression, production) of PCCM projects. Coordinated development across enterprise consisting of different teams, platforms, customers, etc.  Subject Matter Expert (SME) for all applications and functions within the Primary Care Case Management PCCM program for Medicaid providers and clients. ### Software Developer @ Accenture Jan 2003 – Jan 2007 | Austin, Texas Area Reviewed Functional Designs with Business Analysts, state clients, and end-user clients on the Texas Medicaid & Healthcare Partnership. Collaborated with Project Managers, Business Analysts, and clients/customers to identify and analyze business processes, functions, and job workflow, in order to set operational specifications and formulate software requirements. Created detailed design documents. Migrated implementations through multiple environments on different hardware for each phase of project (build, product test, regression, production). Conducted formal peer reviews for business user requirements, functional design, detailed design, and test plan documentation. New development and modifications on web applications, windows applications, batch applications, SQL server jobs/processes, automated apps/services, multi-tiered applications. Developed using all of the following: .NET 2.0, VB.NET, ASP.NET, HTML, XML, SQL Server, SQL Server DTS, Visual Basic. ### Software Engineer @ GeoSpatial Innovations, Inc. Jan 2002 – Jan 2003 Developed new product for GSI, the BaseFileManager, a multi-tiered, database-driven application for the automatic, scheduled download of GPS (Global Positioning Systems) correctional data, which executes as a server/desktop application and is configured through a web-distributed software utility. Designed, developed, and implemented using MS Technologies, including the architecture and web pages for the web utility using ASP.NET, VB.NET, ADO.NET, and XML, the server/desktop application component with VB 6.0 and Visual Studio 6.0, and the BaseFileManager relational database in MS Access (eventually to be migrated to SQL Server) for the storage of its configuration data. Analyzed functional and business requirements, set operational specifications, created technical specifications, designed and executed test plans, and implemented and maintained code in C#, Visual Basic, Smallworld Magik, and SQL. ### GIS Software Developer @ City of Austin Jan 2001 – Jan 2002 Key Member of City of Austin’s GIS development team for creation & launch of the Neighborhood Zoning Profile intranet application that is accessible by over 200 users at the City of Austin. Individually designed and developed the complex and dynamic web report component from the ground up, using Oracle Reports Server, PL/SQL, and ASP. Lead Developer in charge of designing, developing, and testing Address Processing tools and their user interfaces, for use by the City of Austin’s GIS operators. Created ESRI ArcGIS 8.x software extensions using Visual Basic, ADO, PL/SQL, and Oracle database for city’s address data. Demonstrated GUI screens and functionality for review to City Executive of GIS and less-technical managers within GIS department. Designed and developed for the City of Austin, a Subdivision Annexation software and reporting application using Visual Basic, ADO, Oracle Reports Server, and Oracle 8i. Created Install Shield executables for client desktop deployments. Other Responsibilities: --Designed and developed PL/SQL scripts for the creation and maintenance of Oracle and Access tables, views, and queries. --Interacted with clients/co-workers to determine functional requirements, data mapping, and document process flow. --Designed and developed backend APIs to Oracle and Access database tables using Visual Basic and ADO. ### GIS Software Developer @ Cook-Hurlbert, Inc. Jan 1999 – Jan 2001 | Austin, Tucson, Baltimore, Tacoma • Designed, developed, and tested object-oriented programs/modifications written in Smallworld Magik (proprietary OO language) and Visual Basic for Cook-Hurlbert GIS products. • Designed and developed PL/SQL scripts for the creation and maintenance of client’s relational database objects. • Interfaced with clients at Baltimore Gas & Electric to determine business requirements, data mapping for systems integration, software product configuration, define/document process workflow, and created functional and technical specifications documents. Collaborated with consultant in facilitating requirements gathering and process definition meetings at client-site over the course of several day-long sessions with multiple managers, job designers, and field personnel. • Individually conducted on-site product training class of CH’s software for 12 users at Tucson Electric Power, which involved creating product documentation specific to client’s implementation, conducting interactive demos with CH Products and Smallworld GIS, and answering user questions. • Lead role in bug tracking and inventory of over 100 software bugs in the core product. Documented recreation steps, set priority levels, and assigned to development team. • Took the initiative to create, in my spare time, a glossary of utility industry terms and parlance for new employees that became a part of new employee documentation. ### Programmer/Analyst @ Computer Sciences Corporation (CSC) Jan 1997 – Jan 1999 | Austin & Houston, Texas • Designed, developed, and tested COBOL programs/modifications for several insurance, annuity and financial services software products licensed by CSC. • Key member of project team charged with modifying all address field processing for the Vantage product, involving thousands of lines of COBOL code in the core product implementation for Security Life of Denver. • Managed development database and ran batch cycles using JCL on-site at American General Life Insurance. • Worked on Y2K problem, identifying 2-digit years and modifying to 4 digits in CSC product code. ## Education ### Bachelor of Business Administration (BBA) in Management Information Systems Texas McCombs School of Business ## Contact & Social - LinkedIn: https://linkedin.com/in/sergio-angulo-2662067 --- Source: https://flows.cv/sergioangulo JSON Resume: https://flows.cv/sergioangulo/resume.json Last updated: 2026-04-01