# Leo M.

> Senior C# .Net Engineer/Developer

Location: Cheney, Washington, United States
Profile: https://flows.cv/leom

• Full Stack .Net Developer with 15+ years in web and windows application development
• Strong in C#, .NET/Core, ASP.NET/Core, MVC/Web API, SQL, JavaScript, and CSS
• Industries include healthcare, solar, e-commerce, manufacturing, rental, travel, and automobile

## Work Experience
### Senior Software Engineer (remote) @ Quativa
Jan 2022 – Jan 2022
• Worked on the backend of Quativa app, an iOS app for solar sales. It features team management, smart prospecting, design wizard, dynamic presentation, and clean contract.
• It uses C# .NET Core, ASP.NET MVC Core, React, RESTful Web APIs, MS SQL, AWS (Lambda, Elastic Beanstalk, EventBridge, Parameter Store), 3rd party integrations (AssureSign, Sunlight Financial, Goodleap Financial, Aurora Solar)
• Used MediatR library to implement CQRS pattern
• Designed and developed backend APIs, mentored junior devs, reviewed codes. We used Jira and Agile.

### Software Engineer – XC Research US (remote) @ Microsoft
Jan 2021 – Jan 2022
• Worked on Greenroom, a lean, GDPR-compliant panel management system where different Microsoft teams can build new panels, distribute enrollment URLs, track enrollment, do surveys, tag participants, and send email campaigns. It is primarily for MS researchers and participants. Greenroom is a part of a bigger suite of platforms called Scaled Customer Research.
• It uses C# .NET Core, ASP.NET MVC Core, microservices architecture, React, RESTful Web APIs, Azure, OpenID Connect, Adobe inline signing, Azure DevOps, and Agile.
• Several Azure WebJobs run to do tasks like sending email, exporting to Excel, and DB cleanup.

### Full Stack Software Developer (remote) @ Cognosante
Jan 2019 – Jan 2020
• Worked on Enrollment User Interface (EUI) and Marketplace Consumer Record (MCR) to provide healthcare issuers and Cognosante analysts access to real-time enrollment data. Uses C# .NET Core, ASP.NET MVC Core, React, Azure, Dapper, FakeItEasy, WS-Fed, OpenID Connect, Bootstrap.
• Leverages APIs and puts them into UI as relevant business workflows.
• PDF letter generation and transmission. Used microservices architecture. Agents were deployed as Azure WebJobs. Used Azure queue for asynchronous operation.
• Enrollment User Interface – used Azure (Web App Service, SQL Server, and Storage Account).
• Sent relevant telemetry to Splunk through Azure functions.
• Moved from WS-Fed to OpenID Connect.
• Worked on two Azure Gov subscriptions for different environments (DEV/TEST; IMPL/PROD).
• Used JIRA for project management and Azure DevOps for the rest of CI/CD.

### Senior Lead Software Developer (remote) @ City of Lakewood, Washington
Jan 2018 – Jan 2019
• Worked on Rental Housing Safety Program using ASP.NET MVC Core, C#, AWS (EC2, RDS, Parameter Store), HTML5, jQuery, AJAX, RESTful API, Bootstrap, SQL Server 2012, JavaScript, Simple Injector, jQuery, Elavon, and Bitbucket.
• API-first design to accommodate different mobile devices. Lead API lifecycle development. Implemented, consumed, and tested endpoints (GET/POST/PUT/DELETE methods). Led a 3-dev team.

### Senior Lead Full Stack Developer (remote) @ Robert Half
Jan 2016 – Jan 2018
• Worked on City of Lakewood's Rental Housing Safety Program using ASP.NET MVC 5.2.3/Web API, C#, HTML5, jQuery, AJAX, RESTful APIs, Bootstrap, SQL Server 2012, JavaScript, Simple Injector, JSON, jQuery datatables, Elavon, PCI DSS compliance, Git, and Bitbucket. Allows rental owners to register and pay their properties and get business licenses. Properties are inspected though lottery system. Led 3-dev team, and architected the system and DB.
• API-first design to accommodate different mobile devices. Lead API lifecycle development. Implemented, consumed, and tested endpoints.

### Full Stack Software Developer (remote) @ Azima Healthcare Services
Jan 2016 – Jan 2016
• Worked on Care Continuity, a real-time web application for healthcare and care coordination using ASP.NET MVC and Web API, JS, jQuery, AJAX, SQL, Dapper, HL7, Git, Jira, and Bitbucket; DI, two-factor authentication, encryption, threading, async requests; ETL; code review.

### FTE Salaried Professional Consultant .NET @ Robert Half
Jan 2015 – Jan 2016 | Greater Seattle Area
Senior Web Developer (remote)
• Revamped the website of Allied Telesis using JavaScript, jQuery, AJAX, Azure (VM), HTML5, and CSS3.
Senior Software Developer
• Worked on the web extranet application for American Homes 4 Rent using ASP.NET MVC and Web API, Azure (VM), JavaScript, KnockoutJS, forte, PCI DSS compliance, Active Directory, jQuery, and SQL Server 2012. Our team followed Scrum, used JIRA and VSTS, Continuous Integration and Delivery.
• Design, develop, deploy and support RESTful API services
• Added new features, debugging, and code review.
Senior Frontend Software Engineer
• Worked on the front-end of the SPA for Sinclair Broadcast Group using HTML5, CSS3, SASS, JavaScript, jQuery, BackboneJS for frontend; mySQL for DB; and Java RESTful APIs as endpoints. We followed Scrum, TDD, Continuous Integration and Delivery, pair programming, code review, and used JIRA.
Systems/Data Analyst and Developer
• Worked as analyst/Crystal Reports.NET developer for the Finance Department, City of Fife, WA.
Data Management Developer
• Extracted, analyzed and transformed data (ETL) and developed back-end software for Cesari Direct.

### Senior Developer (remote) @ CHRYSALIS SOLMOTIVE LIMITED
Jan 2014 – Jan 2015
• Worked on Key2Key, a web-based renewal and retention system for UK cars using C# 4.0, ASP.NET, Webforms, JavaScript, AJAX, jQuery, Entity Framework, HTML, CSS, and TFS; designed SQL objects; added new features and debugged existing codes.

### Software Developer (remote) @ Trio Software Developments
Jan 2012 – Jan 2014
• Worked on Tourwriter (www.tourwriter.com). This is an itinerary software for Inbound Tour Operators & Destination Management Companies. This handles range of client tours, from FITs (free independent travelers) to groups, and combination of both. It operates on an integrated cloud database hosting.
The software processes and outputs the following based on the client and supplier information:
1.	Comprehensive client itineraries – give quotes in few minutes
2.	Management reports
3.	Accounting information
4.	Published itineraries
The software is produced using C#.NET 3.5. The database is MS SQL 2008 R2 (table design, stored procedures and views). It also uses LINQ, RDLC, and Infragistics controls.
• Worked on ERP (Customer PO, Planning, Production, Delivery, Inventory, Purchasing, Accounting) for ISPC, a manufacturing company of Tool and Die and Metal Stamping [ASP.NET 4.0, C#.NET, SQL Server 2008 R2 (designed SQL objects), Telerik controls].

### Lead Web Developer (remote) @ apt IT Software Solutions
Jan 2006 – Jan 2012 | Remote
Project name: Pet Street Mall (pet supplies e-commerce)
• Lead developer in Shopping Cart, Admin, and Products using ASP.NET (C#/VB.NET), ADO.NET, JavaScript, VBScript, HTML, multi-tier architecture, and SQL (architected DB, designed SQL objects).
• Added new features, debugging, deployed/tested on dev/live server, and mentored junior devs.

Project name: VentureCD
• Lead developer in Resource Directory, Passport, Data Mining, Support Desk, and Suggestion using ASP.NET (C#/VB.NET), ASP classic, ADO.NET, JavaScript, VBScript, multi-tier, HTML, and SQL (architected database, designed SQL objects).
• Added new features, debugging, deployed/tested on dev/live server, and mentor junior devs.

### Software Engineer @ BlastAsia, Inc.
Jan 2005 – Jan 2006 | National Capital Region, Philippines
Project name: Platform Butterfly
• Platform-independent user environment built on SaaS model, RIA, and SOA; secure DB; remote access and installation; and automatic backup and recovery procedures (ASP.NET web services, Mono, FTP).

Project name: Citi Dispute Management System (Citifinancial Corporation)
• C#.Net developer for data management, disputes and documents categorization, resolution and chargeback process, reports (C#, SQL Server).

Project name: Loan Verification System (Citifinancial Corporation)
• C#.Net developer for data management, linking to New Account System and ORBIFLOW, telephone and ocular stages, agent and ocular assignment, reports (C#, SQL Server).


## Education
### Bachelor of Science (BS) in Computer Engineering
University of the City of Manila
Jan 1995 – Jan 2000

### Graduate in High School/Secondary Diplomas and Certificates
Torres High School
Jan 1991 – Jan 1995


## Contact & Social
- LinkedIn: https://linkedin.com/in/marquezleo

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Source: https://flows.cv/leom
JSON Resume: https://flows.cv/leom/resume.json
Last updated: 2026-03-22