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Open to opportunities & collaborations

Software Engineer & Product Engineer

Engineering ideas into real-world products.

I'm Jonathan, a software engineer and product builder working across frontend engineering, full-stack applications, and product development. I enjoy understanding complex problems and turning them into practical, intuitive software.

Explore My Work Let's Work Together
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Selected work

Products and systems I've built

All work
Multi-Tenant SaaS / Accommodation Management

TenancyCo

Founder & Software Product Builder · May 2026 – Present

TenancyCo is an accommodation management platform designed to help operators manage properties, residents, applications, leases, payments, maintenance, and everyday operations in one place.

  • React
  • TypeScript
  • TanStack Start
  • Supabase
  • Tailwind CSS
  • PayFast
  • Resend
Pre-launchRead case study
Professional Software Engineering

Fintech & Enterprise Applications

Frontend Web Engineer · OpenFactorGroup · July 2024 – October 2026

Contributed to production applications across core banking, identity verification, corporate internet banking, and public-sector operational workflows.

  • React
  • TypeScript
  • Ant Design
  • TanStack Query
  • REST APIs
  • Git
  • Bitbucket
Professional workRead case study
Ride-Sharing / Mobile Applications

Discount Beryf

Independent Software Product Builder · 2025 – Present

A ride-sharing platform exploring rider, driver, and administrator workflows, real-time interactions, location-aware journeys, and mobile development.

  • React
  • React Native
  • Expo
  • TypeScript
  • Supabase
  • Zustand
  • Google Maps API
In developmentRead case study
Event Management Software

EventFlow

Independent Software Product Builder · 2026 – Present

An event and guest management application designed around invitations, RSVP management, administrative workflows, and event coordination.

  • React
  • TypeScript
  • TanStack Start
  • Supabase
  • Tailwind CSS
In developmentRead case study

Experience

Professional engineering, founder-led product

Full experience

  1. Founder-led product

    May 2026 – Present

    TenancyCo

    Founder & Software Product Builder

    Founded and developed an accommodation-management SaaS platform, working across product discovery, software architecture, frontend engineering, application integrations, QA, and customer demonstrations.

    View case study

  2. Professional employment

    July 2024 – October 2026

    OpenFactorGroup

    Frontend Web Engineer

    Worked on production frontend applications across fintech, identity verification, and enterprise workflows, contributing to interface implementation, API integrations, testing, debugging, and collaborative software delivery.

    View case study

What I do

Engineering capabilities

Grouped by how I actually use them — no invented percentages.

About me

01

Frontend Engineering

Where most of my professional work lives.

  • React
  • TypeScript
  • JavaScript
  • HTML
  • CSS
  • Tailwind CSS
  • Ant Design
  • shadcn/ui
  • TanStack Query
  • TanStack Router

02

Backend & Integrations

Connecting interfaces to services and data.

  • Supabase
  • REST APIs
  • Authentication workflows
  • Row-level security integrations
  • Express.js
  • Third-party integrations
  • Payment integrations

03

Mobile Development

Used to build the Discount Beryf apps.

  • React Native
  • Expo

04

Engineering Workflow

How I work within a team.

  • Git
  • GitHub
  • Bitbucket
  • Jira
  • Pull requests
  • Code reviews
  • Debugging
  • Testing
  • API integration

05

Product Engineering

Developed through building TenancyCo.

  • Requirements analysis
  • Workflow design
  • Customer discovery
  • Product prototyping
  • Application architecture
  • Iterative development
  • User feedback
  • End-to-end product delivery

06

AI-Assisted Development

Tools that speed up delivery, checked by judgment.

  • Lovable
  • Claude
  • AI-assisted implementation
  • AI-supported debugging
  • Rapid prototyping

Approach

Understand the problem. Engineer the solution.

How I work

Founder story

Why I built TenancyCo

Accommodation operators juggle spreadsheets, messaging apps and disconnected tools. TenancyCo is my attempt to bring properties, residents, leases, payments and maintenance into one multi-tenant platform — owned end to end, from discovery to code. It's currently pre-launch.

Read the case study

Services

Have a problem that software could solve?

All services

Web Application Development

Responsive web applications, dashboards, interfaces, and operational platforms.

MVP & Product Prototyping

Turning product ideas into working prototypes and early versions that can be tested with users.

Internal Business Tools

Administrative portals, approval workflows, management dashboards, and workflow applications.

Let's build something useful.

Open to full-time opportunities, remote work, relocation, and selected development collaborations.

Get in touch jonathanmilolocode@gmail.com