Ronmel Ross

17 years across web and software development, software administration, information services, and technical support. Most recently designing and running event-driven .NET services and the integrations that connect them — from SWIFT and SAP at the enterprise end to Shopify, Paymongo, and OpenAI at the product end. Available for contract engagements.

// experience

1. Senior .NET Engineer / Software Architect, Velosi Philippines, Inc.

   Aug 2022 — Present
   • Design and deliver event-driven microservices in .NET, with quality gates enforced through xUnit and SonarQube rather than good intentions
   • Wire Kafka topics between teams that do not share a database, so services stay decoupled at the data layer
   • Own infrastructure as code in Terraform across Lambda, ElastiCache, and Kubernetes, deployed through Buildkite
   • Instrument systems in Datadog and CloudTrail so failures surface before support tickets do
   • Review code and mentor junior to mid-level engineers; reduce key-person risk by documenting and automating

2. CTO / Lead Developer, Zaige Technologies

   Aug 2022 — Jan 2024
   • Architected and delivered a loyalty and marketing platform from first commit to production
   • Integrated ManyChat, Make, Wix, SMS and email gateways, Google services, and OpenAI behind one coherent API
   • Ran deployments across both AWS (EC2, Lambda, S3, RDS) and Azure (SQL Database, App Service)
   • Migrated the interface off a CMS (Wix) onto Flutter for web and mobile without stopping delivery
   • Led the SCRUM team and handled technical conversations with the CEO, partners, and merchants directly

3. Software Development Engineer, FPT Software Philippines Corp.

   Jun 2021 — Aug 2022
   • Built and maintained client web applications on ASP.NET 6, ReactJS, PostgreSQL, and MartenDB
   • Delivered Web APIs, REST APIs, and microservices with unit tests and CI/CD workflows
   • Wrote technical spikes and documentation to de-risk future implementations
   • Consulted for junior and mid-level developers on an internal tool using the repository pattern

4. Backend Web Developer (ERP) / Assistant Technical Lead, Cody Web Development Inc.

   May 2019 — Jul 2021
   • Maintained and extended client systems spanning ASP Classic through to ASP.NET Core Web API and React
   • Built internal developer tooling in .NET Windows Forms and internal apps in Laravel and WordPress
   • Reviewed engineers' implementations, coordinated work, and assigned tasks

5. Solution Engineer, TecSurge Pte. Ltd

   Jan 2017 — May 2019
   • Developed custom Hangers & Supports tooling in VB.NET and C#.NET
   • Automated plant design tasks and troubleshot issues across Smart3D and Everything3D
   • Ran Smart3D administration: database maintenance, integrity checking, backup and restore

6. DMS Application Specialist · SP3D Administrator · Web Development, Fluor Corporation

   Aug 2014 — Jan 2017
   • Migrated triggers, reports, and stored procedures from Oracle to SQL Server
   • Configured and administered the project Document Management System, including user access control
   • Built internal web utilities: department portal, issues log, and project portal
   • Executed SP3D administration — project setup, database integrity, backups, and reporting

7. Technical / Customer Support Representative, Convergys Philippines Inc.

   Jul 2009 — Aug 2014
   • Supported an ISP's customers on connectivity, access, and software faults

// skills

Backend

C# .NET 6 / 7 / 8 / 9 / 10 · ASP.NET Core · Entity Framework 6 · Python · FastAPI · Laravel / PHP · xUnit / Moq · SonarQube

Integration

REST / contract-first design · Webhooks & idempotency · OAuth 2.0 · SWIFT · SAP · Shopify / Loyverse / Paymongo · OpenAI / Google APIs

Event-Driven

Apache Kafka · Event-driven architecture · Microservices

Data

MS SQL Server · PostgreSQL / Supabase · MySQL · Amazon DynamoDB · MartenDB · Firebase · Oracle → SQL migration

Cloud

AWS: Lambda, EC2, S3, RDS, ElastiCache · Azure: App Service, SQL Database, APIM · On-premise deployment

Delivery

Buildkite CI/CD · Terraform · Kubernetes · Docker · WSL · Cloudflare Pages · Vercel

Observability

Datadog · AWS CloudTrail

Frontend

React / Next.js · TypeScript · Flutter (web & mobile) · Vue / Nuxt · Telerik / Kendo UI · Material UI

Legacy & Modernisation

ASP Classic · VB.NET · Windows Forms · WordPress · jQuery

Languages

English · Filipino · Cebuano

// education

B.S. Physics, with emphasis on Computer Applications

Silliman University, Dumaguete City, Philippines — 2005–2009

DOST Scholarship (2005–2009) · Dean's Lister (2006–2009) · University Honor (2009) · SU Portal Scholarship (2005–2007)