Software products and business systems

engineered for real operations

We design and build web applications, Android apps, backend services, APIs, and database-driven software for teams that need reliable, maintainable delivery.

Reactive Core Studios software development mission
Built for business outcomes - From internal tools to customer-facing products, our work prioritizes measurable workflow improvements and long-term maintainability.

Capabilities

Engineering services across the full application stack

We provide product support from planning through implementation, deployment and iteration.

Web Application Development

Custom web platforms for operational workflows, client-facing portals, and business utility software.

Android Application Development

Android applications and games designed for commercial use, strong device compatibility, and maintainable release cycles.

Backend and API Engineering

Service-oriented architecture, API design, and backend systems that support secure and scalable product delivery from microservices to full orchestration.

Database and Data Workflows

Data modeling, query optimization, modernization, and storage strategies that support reporting, billing, and operational systems.

Business Utility Software

Focused solutions for your business including archtectural analysis and planning, process automation, and workflow standardization.

Game and Interactive Systems

Development support for game mechanics, tools, and interactive software projects with practical deployment goals.

Client Highlights

Selected Client Work

Mission, solution ownership, and platform stack across selected client and product engagements.

Billable Hub

Mission: Bring affordable time tracking and invoicing to entreprenuers and small teams.

Solutions: Full stack design and architecture, implementation, and app launch.
Stack + Focus:
ReactNext.jsNeonVercelPrismaAstro

Gate Sentry

Mission: Disrupt the gated community market share with a focus on new and modern hardware and applications.

Solutions: End-to-end application architecture from the ground up, fractional VP of Technology leadership, and completion of a React redesign.
Stack + Focus:
ReactArchitectureUnity 3DParse

Onco Telehealth

Mission: Help cancer patients and family navigate the intricasies of cancer treatment and management.

Solutions: Co-founder CTO, mobile oncology telehealth application, clinical trial search, symptom tracker, and article suggestions.
Stack + Focus:
React NativeAWSKubernetesMongo

Binbox, Inc

Mission: Deploy smart locker systems optimized for high traffic venues.

Solutions: Android application maintenance, offshore team leadership, and codebase modernization.
Stack + Focus:
AndroidParse/Parse ServerBack4AppFigmaKubernetes

Ingenious

Mission: Bring the amazing board game Ingenious to life as a mobile game.

Solutions: Build game mechanics, 3D models, animations, and global scoring mechanisms.
Stack + Focus:
Shiva 3DLUA3ds Max

Bomax the Angry Alarm Clock

Mission: Bring unique alarm clock with a love to hate character that will guarantee you wake up fully.

Solutions: Numerous bug fixes in existing app, expand from 2 minigames to 6 minigames, reskinned the app.
Stack + Focus:
Unity 3D3ds MaxC#AndroidJava

Bemuddled

Mission: Bring a fun children's book to life as a game.

Solutions: Implemented the game mechanics, animations, and menu system using provided textures, and Google Play deployment for customer.
Stack + Focus:
Unity 3DC#AndroidJava

HydroTech Solutions

Mission: Provide water treatment with cutting edge technology to improve water quality and reduce chemical needs.

Solutions: Built customer backend water probe monitoring, alerting, and user-facing dashboard from the ground up.
Stack + Focus:
DynamoDBAmplifyAppSyncReact

Platforms and Frameworks

Technologies We Have Delivered In

Core languages, frameworks, cloud infrastructure, and tooling used across client and product work.

C/C++
C#
LUA
PHP
Python
HTML/JS
Java
Kotlin
Spring Boot
React
Node.js
Next.js
React Native
Tailwind
Twillio
Ionic
Capacitor
Astro
Parse/Parse Server
Unity 3D
GraphQL
Mongo/Atlas
Elasticsearch
Postgres
C/C++
C#
LUA
PHP
Python
HTML/JS
Java
Kotlin
Spring Boot
React
Node.js
Next.js
React Native
Tailwind
Twillio
Ionic
Capacitor
Astro
Parse/Parse Server
Unity 3D
GraphQL
Mongo/Atlas
Elasticsearch
Postgres
SQLIte
MySQL
DynamoDB
Prisma
Vercel
Heroku
Back4App
AWS
S3
Amplify
Lambdas
Cognito
SNS/SES
Route53
Kubernetes
Docker
GitLab
GitHub
Figma
Premiere Pro
After Effects
Photoshop
Illustrator
SQLIte
MySQL
DynamoDB
Prisma
Vercel
Heroku
Back4App
AWS
S3
Amplify
Lambdas
Cognito
SNS/SES
Route53
Kubernetes
Docker
GitLab
GitHub
Figma
Premiere Pro
After Effects
Photoshop
Illustrator

Featured Product

Billable Hub

Time tracking and invoicing, fully connected

Billable Hub is our latest production application, built to reduce billing friction and improve invoice accuracy. Visit Billable Hub

Time Tracking That Maps to Billing

Capture work accurately with structured time entries and expenses that flow directly into invoicing.

Invoice Workflows in One Platform

Create, manage, and send invoices and estimates, with reduced manual steps and better payment visibility.

Built for Individuals and Teams

Start with a streamlined workflow and scale to team-based controls as collaboration grows.

Delivery approach designed for working software

We use a practical, iterative process focused on reducing risk and keeping progress visible. We are agile and reactive to the customer's needs.

Discovery and Scope Definition

Clarify requirements, constraints, and integration points before implementation begins.

System and Workflow Analysis

Assess current systems, map cross-team dependencies, and define priority use cases to align implementation with real operating needs.

Architecture and Build

Implement the application, backend, and data layers with clear ownership and testable milestones.

Launch and Stabilization

Release with production-readiness checks, then resolve edge cases through rapid iteration.

Ongoing Improvement

Evolve features, optimize performance, and maintain technical quality over time.

Software team collaborating

FAQs

Frequently Asked Questions

Common questions about how Reactive Core Studios engages and delivers.

What kinds of projects are the best fit?

Projects involving web applications, Android apps, backend APIs, data-driven and data-intensive workflows, and internal utility systems are a strong fit.

Can you work with an existing codebase?

Yes. We regularly take over active codebases, stabilize core modules, and deliver features while reducing technical risk.

Do you support both new builds and ongoing maintenance?

Yes. Engagements can include initial product buildout, post-launch optimization, and longer-term iteration.

How do you handle changing requirements?

Requirements are reviewed in planned checkpoints so scope changes are visible, prioritized, and implemented with clear tradeoffs.

Is mobile-only or backend-only work supported?

Yes. We support focused engagements, including Android-only delivery, backend/API implementation, and database architecture updates.

Where can we review shipped work?

See current project information on Billable Hub and our portfolio site.

Need a software partner for product or operations work?

Share your requirements and we will provide a practical path to implementation.