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Hi, I'm
Russel.

I'm a developer who loves turning complex challenges into clean, reliable software. Whether I'm sketching out a database schema or polishing a user interface, I focus on building things that actually make people's days a little easier.

A few things I’ve put into the world.FindMe Lojaroute AI-RE

Recruitment, logistics & real estate software.

A LITTLE ABOUT ME

Eric Russel M. Lopez

Full-Stack Developer

Thoughtful architectureUseful experiencesReliable systems
Always building
and learning.
View projects
THE SHORT VERSIONTake a look at my CV
PULL UP A CHAIR. HERE’S HOW I WORK.

A little curiosity.
A few scribbles.
My way of building.

I’m drawn to the work behind the screen.
The messy workflows, the small details,
and the people a good system can help.

One note at a time.
SCROLL A LITTLE. WATCH IT COME TOGETHER.
DESK NOTES / 01

I start with the real problem.

A dispatch board, a property listing, a hiring workflow. Before I write code, I learn how the people behind it work. That’s how I find the parts a new system should make easier.

  • Listen first
  • Find the friction
  • Sketch a way forward
01A little curiosity
DESK NOTES / 02

Then I put it on paper.

I sketch the screens, map the data, and work out how the pieces connect. Relational schemas, APIs, and permissions are a big part of my work. I like getting those foundations right before the interface takes shape.

  • Map the flow
  • Shape the data
  • Make room to grow
02A plan we can build on
DESK NOTES / 03

I build it for the everyday.

The satisfying part is seeing a real team use what I’ve built. From logistics tools to real estate platforms, I take the work through testing and deployment, then keep improving the details that matter in daily use.

  • Build & test
  • Put it in people’s hands
  • Keep improving
03Something worth shipping
The story so far

How I build, and where I've been.

Most of my work starts the same way: a business is running something critical on spreadsheets, paper, or half a dozen disconnected tools, and it has stopped scaling. I map how the operation actually works, model it properly in the database, and build the platform on top — the dispatch board, the offer ledger, the driver app. Logistics and real estate are where I've spent the most time.

The structural decisions are the ones I care about. A schema that reflects real business rules, permissions enforced on the server rather than hidden in the UI, and boundaries clear enough that the next developer can extend the system without breaking it. Software that works on launch day is the low bar; the harder goal is software still worth maintaining a year later.

I learn fastest by shipping and by explaining. As Web Development Assistant Lead for Google Developer Groups on Campus, I built and maintained the chapter site across the academic year while mentoring students through React and Node.js — teaching a concept is the quickest way to find out how well you actually understand it.

FIELD JOURNAL & MILESTONES

Experience & Milestones

Architectural leadership, client platforms, and foundational builds.

Scroll to turn the page

Chief Technology Officer (CTO)

Amazon Web Services Student Builder Group – National University Baliwag. 2026 – Present.

Set the technical direction for the chapter and build the programs that get members from tutorial-following to shipping real projects.

  • Own the chapter's technical direction, from which technologies members learn to how projects are structured and reviewed.
  • Mentor members through software engineering and cloud fundamentals, with an emphasis on why architectural decisions are made rather than which commands to run.
  • Design and run workshops, collaborative builds, and live coding sessions that give members production-shaped experience before graduation.
  • Drive adoption of Amazon Web Services and industry practices across the group, giving members skills that carry directly into technical interviews.
Technical Validation

Certifications and technical credentials.

Independent validation of the database and web fundamentals the client work is built on.

Certification

Information Technology Specialist (ITS) — Databases

Certiport / Pearson VUE

Formal validation of the relational design and SQL work underpinning every client system I build — the same normalization and query practices behind Lojaroute's 95+ table schema.

Certificate

Web Development Assistant Lead — Certificate of Completion

Google Developer Groups on Campus

Awarded for a year leading the chapter's web development program — running workshops, teaching JavaScript and React, and reviewing student code.

Associate

Microsoft Office Specialist (MOS) — Word 2019 Associate

Microsoft / Certiport

Document structure and layout — applied to the technical specifications and schema documentation that accompany client handoffs.

Selected pages from my work

Ideas that made it off the page.

Platforms running real operations — built around each client's workflow, on data models designed to hold up as the business grows.

Lojaroute application interface
Flagship Product2025

Lojaroute

Takes a logistics operation off paper and radio calls — automated dispatch, live fleet visibility, and cash-on-delivery that reconciles itself.

REAL LUX B2B Wellness Platform Showcase
Client Project2026

Real Lux

Turns a wellness hardware pitch into a numbers conversation — live ROI modelling and proposals that generate themselves.

AI-RE real estate platform interface
Client Project2026

AI-RE

Gives real estate agencies their time back — AI handles listings, buyer enquiries, and scheduling while offers stay tracked and auditable.

Skills

The stack I build with.

What I reach for when designing, building, and shipping software — and keeping it running afterwards.

Frontend

01

Interfaces that stay fast and accessible on the devices users actually carry.

  • React
  • Next.js
  • TypeScript
  • JavaScript
  • Tailwind CSS
  • HTML5
  • CSS3
  • Responsive Design

Mobile App Dev

02

Mobile apps that stay usable where connectivity does not — offline support and native device integration.

  • Flutter
  • React Native
  • Kotlin

Desktop Applications

03

Desktop tools for workflows that never move to the browser, with native system integration.

  • Python
  • PyQt
  • PySide
  • Tkinter
  • Java
  • JavaFX
  • Swing

Backend

04

APIs, authentication, and business logic built around how an operation actually runs.

  • Node.js
  • Java
  • Python
  • REST APIs
  • Authentication
  • Role-Based Access Control
  • PHP
  • Server Actions

Databases

05

Schemas that absorb new requirements instead of fighting them, and queries that stay fast as data grows.

  • SQL
  • MySQL
  • Firebase
  • Database Design
  • Query Optimization

Cloud & Deployment

06

Deployment pipelines and environment management that let clients ship without downtime.

  • Amazon Web Services
  • Vercel
  • Railway
  • Git
  • GitHub
  • CI/CD
  • Environment Management

Tools

07

The daily toolkit — including AI assistants used with judgment, not autopilot.

  • VS Code
  • Git
  • npm
  • Claude
  • ChatGPT
  • Copilot
  • Gemini

Practices

08

How I keep systems maintainable long after launch day.

  • Clean Architecture
  • SEO
  • Performance Optimization
  • Code Review
Independent Studio
Rusbyte

Founder & Full-Stack Developer

Custom business platforms, mobile tools, and database architecture.

I started Rusbyte to work with businesses directly, without the layers that usually sit between a company and the person building its software. One point of accountability from the first scoping conversation through to production. The studio builds web platforms, mobile tools, and the relational backends underneath them — shaped around how each client actually operates rather than a template they have to adapt to.

Rusbyte Studio Overview
Rusbyte Platform Architecture
Rusbyte Studio Badge
Contact

Inquiries & Collaborations.

Open to full-time roles, client projects, and collaborations. If you have a system that needs building — or one that has stopped scaling — I would like to hear about it.