Senior Backend Engineer with Python/.NET/Java Expertise

Vicsante Aseniero

Senior Software Engineer

*** *. ********* ******, ********* Pardo, Cebu City, Cebu, Central Visayas, Philippines 6000 +639********* *********@*********.*** www.linkedin.com/in/vicsanteaseniero www.github.com/vaseniero Summary

Software developer with over 18+ years of industry experience. I have developed a strong background in web application development and have a proven track record of success designing, developing, and maintaining scalable applications using modern technologies and methodologies. I bring adaptability, collaboration, and communication, enjoying sharing my experience and knowledge with technical and non-technical people alike.

Technical Skills

• Programming Languages: C#, .NET (4.x to 6.0), PHP, Python, JavaScript (ES6+), TypeScript, HTML, CSS, Bootstrap, Tailwind CSS

• Technologies: AI, RESTful APIs, Wordpress, IIS, odoo ERP, FastAPI, Agile SAFe

• Frameworks & Libraries: Blazor, Laravel, Django, Pandas, Node.js, Express.js, NestJS, React, Next.js, Angular, Storybook

• Databases: MS-SQL, MySQL, PostgreSQL, MariaDB, SQLite, MongoDB, DynamoDB

• Version Control: Git, GitHub, GitLab

• Tools & Platforms: Git (GitHub, GitLab, BitBucket, SourceTree), Docker, Windows, Linux, WSL, LocalWP, XAMPP, Laragon

• Cloud & DevOps: AWS (S3, Lambda, SQS, EC2), Azure (Functions), LocalStack, Docker, IIS, Apache, Nginx, CI/CD (Jenkins, Azure Pipelines)

• Agile/Scrum: Scrum, Kanban, JIRA, ASANA, Trello

• Development Environment: Visual Studio, VS Code, PyCharm, Sublime, Notepad++, VI

• Other: RESTful APIs, Microservices, API Design, T-SQL, LINQ, Entity Framework, Dapper, NHibernate, Object-Oriented Programming

Experience

SENIOR FULL STACK ENGINEER (Backend Heavy) Aug 2023 – Present Freelance Senior Developer WFH remote - Cebu City, PH Freelance Software Developer working on project-based clients for small and medium projects.

• Provide custom development, UI integration, module integration, and bug fixes for various websites.

• Worked on REST API utilizing C# .Net 4.5, .NET Core 3.x, .Net 6.0, and .Net MVC project-based clients.

• Also, accept or look for Golang (Backend APIs), Python / Django/Flask (Backend APIs), and NodeJS/NestJS

(Backend APIs) project-based clients.

• Also, work on the front end for fixing or custom changes utilizing Angular/NextJS using Typescript.

• Work also on cloud computing i.e. AWS/Azure e.g. Lambda / S3 / SQS / DynamoDB / EC2 / DBS, Functions / Pipeline DevOps, etc.

• Use Agile Kanban/Sprint e.g. ASANA or Trello or VS Team Service/Jira/Confluence for project management.

• Work part-time/full-time around 15 to 40 hours a week including weekends if needed. Manage time professionally so as not to have conflicts in working schedules.

• Connect with clients via online resources, e.g., Discord channels, Upwork/OnlineJobsPH/Freelancer/WeWorkRemotely sites, Slack/Skype DM, etc. Page 2

SENIOR FULL STACK ENGINEER (Backend Heavy) Part-time Sep 2024 – Present Jairosoft, PH WFH remote - Cebu City, PH

Part-time Software Developer (Backend Heavy) working on project-based clients. And also, doing research and development for the latest technologies. Work on creating an MCP Server using Rust for AI development.

• Work on creating an MCP Server using Rust for AI development.

• Using AI coding agents e.g. Kilo Code AI, Windsurf IDE, and Claude Desktop for Windows.

• Using VS Code, Dev Containers, Docker, WSL Ubuntu environment, and testing MCP with MCP Inspector.

• Work with Backend APIs using Golang, integrating to various 3rd party APIs e.g. CompanyCam, Smartsheet, QuickBooks, and others.

• Worked on Next Auth Okta Provider PoC for Frontend App implemented NextJS.

• Research and develop in implementing Backend APIs on Domain-Driven Design Hex Architectural Pattern. Implement REST HTTP for external APIs calls and gRPC for internal APIs calls. Also, using LocalStack i.e. an AWS emulator and also research in integrating DAPR i.e. Distributed Application Runtime for the internal APIs calls.

• Also, work on the front end for fixing or custom changes utilizing Angular/NextJS using Typescript.

• Work also on CI/CD on Azure to deploy it to AWS EC2.

• Use Agile SAFe DevOps for project management.

• Work part-time around 15 to 20 hours a week.

• Connect with teams using Microsoft Teams and MS Outlook. Use Azure DevOps platform. FULL STACK DEVELOPER (C# .Net/Angular) May 2023 - July 2023 Better Tradeoff Solutions Pte. WFH remote - Cebu City, PH Worked in a software development remote team as a full stack C# .Net/Angular software engineer performing the following duties.

• Worked on multiple REST API Backend applications written in C# .Net, based on task(s) assigned. Build xUnit Testing codes in SonarQube for automatic code review. Help out on Front-end Angular task(s) assigned.

• Participated in daily Agile Scrum meetings, and sprint meetings, and collaborated with Singapore based colleagues.

SENIOR SOFTWARE ENGINEER (C# .NET/SQL) Feb. 2023 - May 2023 Med Metrix WFH remote - Cebu City, PH

Worked on software development remote team as a C# .Net/SQL software engineer implementing and supporting enterprise-grade health care systems

• Worked on Backend application written in C# .Net and using MS-SQL Database.

• Completed HIPAA training which is a must since this is a US Medical app.

• Participated in scrum meetings, collaborated, and worked with US-based colleagues. SENIOR .NET DEVELOPER Nov. 2022 - Mar. 2023

Flexisource IT WFH remote - Cebu City, PH

Worked on software backend development team as a senior C# .Net developer performing the following duties.

• Worked with REST API Backend app written in C# .Net.

• Assigned to Tuned Global Australian-based client and worked on AWS Lambda project for S3 Sweeper Queue and Delivery. Used C# .Net, DynamoDB, S3, EFS, and SQS.

• Participated in daily Agile Scrum meetings and collaborated with colleagues based in Australia. TECHNICAL LEAD Jun 2022 - Jul 2022

Tallant Asia, Inc. WFH remote - Cebu City, PH

Worked on software development remote team as a Senior C# .Net software engineer performing the following duties.

• Worked with REST API Backend app written in C# .Net.

• Participated in daily scrum meetings, and worked and collaborated with Australian-based colleagues.

• Assigned to an Australian-based client for Technical Lead responsibilities.

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SENIOR DEVELOPER Jul 2021 - Feb 2022

Voltex Electrical Australia WFH remote - Davao City / Cebu City, PH Worked on software development remote team as a Senior C# .Net software engineer performing the following duties

• Assigned to QuickBox Manufacturing Ltd based in the UK. Worked on WordPress site with HubSpot CRM integration, WooCommerce integration, CostABox custom module for costing, and spreadsheet integration handling manufacturing orders on the fly. This is written in PHP and using MySQL DB.

• Built REST API backend app written in C# .Net that will be integrated with Connected Business ERP system back-office app to replace the WordPress / WooCommerce / HubSpotCRM / CostABox / Spreadsheet Manufacturing website.

• Collaborated with both Australian-based and UK-based colleagues. SENIOR BACKEND DEVELOPER Apr 2020 - Dec 2020

Analog Republic WFH remote - Davao City, PH

Worked on software development remote team as a Senior C# .Net software engineer performing the following duties.

• Worked directly with UK-based colleagues and was assigned to build a REST API plugin for NopCommerce.

• Written in C# .Net and used swagger UI for testing and documentation.

• Collaborated and worked with UK-based colleagues. SENIOR DEVELOPER May 2016 - Mar. 2020

Freelance Senior Developer WFH remote - Davao City, PH Freelance Software Developer working on project-based clients for small and medium projects.

• Provide custom development, UI integration, module integration, and bug fixes for various websites.

• Worked on PHP / Laravel / CodeIgniter / CakePHP / WordPress / Drupal / Magento / Joomla and custom PHP web app built from scratch project-based clients. Also, worked on an E-Commerce app or custom app built from scratch written in C# .Net for project-based clients.

• Use Agile Kanban ASANA or Trello for project management. And also, compose tasks to be submitted daily via email.

• Work part-time/full-time around 15 to 40 hours a week including weekends if needed. Manage time professionally so as not to have conflicts in working schedules.

• Connect with clients via online resources e.g. freelancermap.de / girona.de / Freelancer sites, Slack / Skype DM, and developer colleagues’ collaboration. SENIOR DEVELOPER (CONSULTANT) Feb 2015 - Jan 2017

Jairosoft, LLC WFH remote - Davao City, PH

Worked as a consultant C# .Net software engineer performing the following duties.

• Research and Development using Sitecore 7.5 and 8.0 using MVC and Azure.

• Assigned to Gilead.com for Sitecore tasks.

• Worked part-time and collaborated with both US-based and local Davao-based colleagues SENIOR DEVELOPER (CONSULTANT) Apr 2015 - May 2016

DataSoftLogic, LLC WFH remote - Davao City, PH

Worked as a full-time consultant Senior C# .Net software engineer performing the following duties.

• Reports directly to CTO.

• Continues bug fixing and conversion of Home Health app from .Net 3.5 to .Net 4.5.1. Fixed and upgraded SSRS and introduced NuGet.

• Worked full-time and collaborated with both US-based and local Davao-based colleagues. SENIOR .NET DEVELOPER Sep 2014 – Apr 2015

DataSoftLogic, LLC Office-based - Davao City, PH

Worked as a full-time consultant Senior C# .Net software engineer performing the following duties.

• Reports directly to CTO.

• Continues bug fixing and conversion of Home Health app from .Net 3.5 to .Net 4.5.1. Fixed and upgraded SSRS and introduced NuGet.

• Worked full-time and collaborated with both US-based and local Davao-based colleagues. Page 4

SENIOR DEVELOPER Jan 2010 - Aug 2014

Freelance Contractor Consultant WFH remote - Cebu City, PH Worked as freelance contractor consultant software engineer developer performing the following duties..

• Worked with multiple clients located offshore and provided custom development, UI integration, module integration, and bug fixes.

• Collaborate with the client(s) on the SOW requirements and provide a realistic estimate and milestone.

• Worked with Ramon T. Aseniero, CEO of jairosoft.com on multiple projects.

AspDotNetStorefront E-Commerce software package on custom functionality, UI integration/changes, and bug fixes.

Worked also on MVC projects using C# .Net for various clients.

Doing kick-off meetings, sprint planning using Visual Studio Team, SVN version control, and automation build server i.e. CruiseControl.

Collaborate with various clients offshore, participated in daily scrum meetings with colleagues, and provided mentoring/project leadership.

• Worked with Jason O'Mara, Founder of rojaweb.com on multiple projects.

Providing custom functionality changes, UI integration/changes, and bug fixes on both C# .Net and/or PHP platforms.

Worked also on an AspDotNetStorefront E-Commerce project built from new a software C# .Net version package. Doing UI integration i.e. Front-End work, custom functionality, provided bug fixes, and continuous integration/continues development.

Worked as an independent contractor and collaborated directly with clients.

• Worked with other various clients offshore on their C# .Net i.e. WebForms or MVC or PHP i.e. custom PHP built from scratch, CakePHP, WordPress Drupal Joomla, and Magento platforms requirements. Collaborated and used Kanban Scrum i.e. ASANA for project tracking. SENIOR PHP DEVELOPER Aug 2009 - Dec 2009

Contractor Consultant WFH remote - Cebu City, PH Worked as a contractor consultant Senior PHP software engineer performing the following duties.

• Worked directly with socialsam.com as a full-time contractor/consultant. Task on recruiting and building a team of developers’ expert in PHP, project coordinator, quality assurance, tester, graphic designer, and system network admin proficient in Linux/Unix base in the Philippines but working remotely i.e. WFH located anywhere in the Philippines.

• Provided technical leadership by implementing CI/CD, agile scrum, sprint planning, bug fixing using bug tracker, and monitoring progress.

R&D WEB DEVELOPER Mar 2009 - Jul 2009

MDoffice, LLC Office-based (Ayala) - Cebu City, PH Worked as an R&D web developer RubyOnRails and Delphi performing the following duties.

• Provided POC i.e. Proof of Concept for a medical desktop application written in Object Pascal using Borland Delphi to a Web-based application using the latest bleeding-edge technologies.

• Worked with the preference technologies used in converting the said existing application. RoR i.e. RubyOnRails and Adobe Flex/Air app are the preferred technology used. RoR provided the REST API backend app while Adobe Flex for web-based and Adobe Flex for desktop-based.

• Collaborated with a UK-based developer working also as a consultant for guidance and project tracking. TECHNICAL CONSULTANT Jan 2009 - Feb 2009

Jairosoft, LLC WFH remote - Cebu City, PH

Worked as a technical consultant on a software development remote team performing the following duties.

• Provide Technical Supervision.

• Made sure that the development team uses the software development process we have started like Agile-scrum, source code management/TFS, CI/CD, Visual Studio Team, and Microsoft Project server.

• Worked also as a Team/Tech Lead on the project(s) and provided project management/leadership. Page 5

OPERATIONS MANAGER Jan 2008 - Dec 2008

Jairosoft, LLC Office-based (Matina) - Davao City, PH Worked as operations manager to software development teams performing the following duties.

• Operations Manager for a Software Development Team based in the Philippines. Co-founder of Jairosolution.com which is now Jairosoft.com.

• Provided management administration and technical supervision. Implemented the software development process i.e. agile scrum, source code management or TFS, CI/CD or automation server i.e. CruiseControl, sprint planning, sprint reviews, collaboration, and communication between the development team and stakeholders for feedback.

• Worked also as a team Tech Lead on various project(s) assigned i.e. AspDotNetStorefront ECommerce, InterpriseSuite ERP suite which is now Connected Business ERP by building plug-ins on its SDK using C# .Net/MS- SQL, PHP framework i.e. CakePHP, CodeIgniter, and custom PHP projects using LAMP or WAMPP. Provided project management and project leadership.

WEB DEVELOPER (CO-FOUNDER) Jun 2007 - Dec 2007

Jairosoft, LLC Studio Home Office remote - Cebu City, PH Worked as a contractor web developer C# .Net software engineer performing the following duties.

• Co-founded Jairosolution.com which is now Jairosoft.com.

• Customized AspDotNetStorefront E-Commerce package written in C# .Net and other web applications i.e. custom PHP written from scratch, SugarCRM written in PHP, and OSCommerce written in PHP products for client-specific needs.

• Develop, test, and deploy via FTP into the web hosting server. WEB DEVELOPER Jan 2005 – Jun 2007

Pacificsolutions.com.au WFH remote - Cebu City, PH Worked as a full-time PHP web developer performing the following duties.

• Worked directly with the Australian Client owner of pacificsolutions.com.au now pacifictranscription.com.au but also collaborated with the Medical Transcriptionist Operations Manager based in Mandaue City, Cebu, Philippines. For building a “Medical Transcriptionist Scheduling and Workload” Web-based written in PHP using LAMP.

• Also, built a synchronization script i.e. Cron script running in RedHat Linux to automatically sync the local folder

(Philippines) to the remote folder (Australian) via FTP. And also built various desktop-based executable applications written in Object Pascal using Borland Delphi. PROGRAMMER ANALYST & WEB DEVELOPER May 2004 - Dec 2004 Freelance Contractor Consultant WFH remote - Cebu City, PH Worked as a programmer analyst using Delphi and web developer using VB .Net performing the following duties.

• Worked together with my brother Ramon T. Aseniero who acts as a consultant guiding collaboration with the owner of www.abigailsplace.com located in New York, USA around Aug. 2004 to solely build an E-Commerce Storefront app written in VB.Net using ASP.Net. Implemented, deployed via web hosting server and maintained said project.

• Worked as a developer retainer/contractor with the branch manager of Forever Living Product located in Cebu City, Philippines for a desktop-based POS i.e. Point-Of-Sale and Inventory application written in Object Pascal using Borland Delphi, MySQL, and Crystal Reports running in Windows 2000 server located in their branch office. Implemented, deployed, and trained technical users, and provided support and maintenance. SENIOR PROGRAMMER ANALYST Sep 2000 - May 2004

Lookwell Philippines Corporation Office-based (MEPZ I, Mactan) - Lapu-lapu City, PH Worked as an IT head and senior programmer on a software development team performing the following duties.

• Serves as a Team Lead and/or IT Head in the company and reports directly to the General Manager. To work on various Client-Server desktop applications i.e. Manufacturing Inventory, Accounting Systems, Payroll, and Personnel Information Systems, and provide leadership, mentoring, and yearly review to the developer colleagues handling also various client-server applications, and technical encoder/user.

• Implemented, and deployed via LAN running on Windows 2000 server which is an upgrade from Windows NT 3.5. Tested application programs per functional specifications using standard development tools to produce well-documented source code in the following programming languages: Borland Delphi, Visual Basic, MS-Access, and MS-SQL Database.

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PROGRAMMER ANALYST Nov 1998 - Jun 2000

Dynamic Computing, Inc. Office-based (Tabo-an) - Cebu City, PH Worked as a programmer analyst using Borland Delphi performing the following duties.

• Build various Client-Server Desktop applications i.e. Scheduling System for a Ferry Boat Company and point-of- sale, inventory systems for various Restaurant businesses written in Object Pascal using Borland Delphi.

• Implemented, deployed via Windows NT, tested, and maintained built applications. Education

Cebu Institute of Technology – University

Bachelor’s degree - Computer Engineering 1990 – 1995 Certifications

• SQL (Basic) May 2022.

https://www.hackerrank.com/certificates/f3a66ca07d42?trk=public_profile_see-credential

• C# and SQL May 2022.

https://app.testdome.com/cert/2ca343dadbf4446881271889aa6231de?trk=public_profile_see-credential

• C# May 2022.

https://app.testdome.com/cert/69203d71b49b4158bc29b54645f60f27?trk=public_profile_see-credential

• C# and .NET May 2021.

https://learn.microsoft.com/en-us/certifications/csharp-programming-specialist/

• Problem Solving (Basic) Certificate May 2020

https://www.hackerrank.com/vaseniero?trk=public_profile_see-credential Interestes

Open-source software • Test Driven Development (TDD) • Domain Driven Development • Micro services • SOA

• Machine Language • Cybersecurity Education

Languages

English (Full professional proficiency) • Filipino/Bisaya (Native Language)

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