React.js Frontend Development Case Studies

Explore Brocoders React.js projects — dynamic, component-driven UIs for SaaS platforms, marketplaces, and web apps. Built for performance and long-term scale.

  • CondoGenie logo

    Condo SaaS modernized without downtime, active users up 14x

    • Microservices migration
    • SaaS
    • Real Estate Software
    • HOA Management
    • ERP
    • Application modernization

    CondoGenie, Canada: Brocoders replatformed the 2009 platform as multi-tenant SaaS in 2018 and keeps shipping on it, with a Rails upgrade in 2025 and Stripe and Node 24 migrations in 2026. 1,398 active users in 2019 became 19,324 in 2025.

    MyReddog logo

    Owner and board app for an HOA management company with 50,000+ properties

    • Real Estate Software
    • HOA Management
    • Progressive Web App Development
    • Project takeover

    Brocoders built MyRedDog, a progressive web app for C.I.A. Services, which manages 150 associations in Houston and San Antonio. Homeowners and board members see live account, compliance and document data pulled from the company's RedDog system, so staff stopped fielding those calls.

  • Lake logo

    Vacation rental marketplace grew from 500 to 40,000 properties

    • Vacation rental software
    • Microservices migration
    • Marketplace
    • Real Estate Software
    • Geolocation integration
    • AI Development
    • Application modernization

    Lake, US: Brocoders replaced the WordPress monolith with a NestJS back end and a Next.js front end and built real-time sync with property managers' PMSs through Calry, in 3 months from start to release. Six PMS partnerships now feed the marketplace, and property managers who refused to list before the rebuild list now.

    Area butler logo

    1.5 million data points per address turned into a listing brochure in 30 seconds

    • Geolocation integration
    • Real Estate Software
    • AI Development

    AreaButler, Germany: since 2022 a Brocoders senior engineering pod has built the interactive and 3D location maps, the GPT text engine that writes in the agent's style, server-side map rendering on AWS SQS, and the onOffice and Propstack integrations that push the brochure into the broker's CRM. 8,000+ real estate professionals in 27 countries use it.

  • HeyPractice logo

    Inherited edtech MVP rebuilt into an AI training platform in 5 months

    • AI Development
    • SaaS
    • Sales Training Software
    • Project takeover

    HeyPractice, Germany: Brocoders audited the codebase the company had inherited, kept the database and product logic, and rebuilt the API, business logic and React frontend on AWS, from October 2021 to production in 5 months. The pod grew from 2 to 8 people and shipped speech-to-text feedback in German and English on IBM Watson after AssemblyAI could not deliver German.

    Contact Doctor logo

    New telehealth platform in 6 weeks, then pharmacy and custody solutions

    • Telehealth app
    • SaaS

    CoreHealth, UK: its developer moved on and the old code never reached Brocoders, so we built version 2.0 of its telehealth platform. A working demo after 4 sprints, then custody and pharmacy tenants on the same codebase.

  • PayPilot logo

    Frontend team added to a client-led payroll SaaS rebuild

    • Payroll software

    PayPilot, Canada: a Brocoders React team of 5 joined the client's own payroll SaaS rebuild within 3 weeks and grew to 15, working on the first-time user wizard, finance and NSF, accounting dashboard and billing modules inside the client's process from 2022 to 2026.

    Gokada logo

    Motorbike ride-hailing MVP taken over and rebuilt in Lagos

    • Geolocation integration
    • Marketplace

    Gokada, Lagos: Brocoders took over a motorbike hailing MVP built by another IT company in July 2018, merged its rider and driver apps into a single React Native app, extended the Node.js backend, built the admin panel, and added Paystack. The rebuilt app launched at the beginning of 2019. Daily ride requests grew 2.5x in 6 months, and by the end of 2019 riders had made 1.5 million ride requests and 1,000+ drivers had completed 325,000 rides.

  • geriana logo

    Caregiving marketplace from job post to signed contract and payment

    • SaaS
    • Telehealth app

    Geriana, Poland: Brocoders built the two-sided platform where families post care jobs and verified caregivers, nurses, physiotherapists and masseurs send proposals, with shortlisting, interview invitations, contract signing, Paylane payments and in-app chat, on React and Ruby on Rails on AWS. A team of five shipped the first release in 2018, and the platform went live at geriana.com.

    appetini logo

    Food delivery marketplace, first ordering version shipped in 3 days

    • Food Delivery App
    • Marketplace

    Appetini, Brocoders' own product: we built a lunch ordering marketplace for cooks, customers, couriers and admins on React and Ruby on Rails, with LiqPay payments, group ordering, shared carts and courier tracking. The first ordering version took 3 days in December 2017; the product is suspended today.

  • Fine logo

    Sales and field operations platform for a solar company: the mobile app covers 80% of field work.

    • Field Service Management Software
    • CleanTech
    • Marketplace

    Anuel Energy (Fine), Kampala: from April 2018 Brocoders built the web system for inventory, supply forecasting, installment payments and stock, and the React Native app that onboards operators and runs field work, on Ruby on Rails and React. The backlog was done in six months, covered 2x the business flows first scoped, and the mobile app took on 80% of field operations.

    Every pig logo

    AI-Powered Swine Management Software for 1,550+ Producers and Vets

    • SaaS
    • Telehealth app
    • AI Development
    • Livestock Management

    EveryPig, Iowa: since November 2016 Brocoders has built the health and welfare platform on Ruby on Rails and React, with offline mode, multi-timezone support and over 1 million stored images, and added mortality forecasting and disease outbreak prediction. 1,550+ producers and veterinarians use it across the US, Canada and Brazil in 7 languages.

  • Every pig logo

    Full-cycle swine logistics platform with GPS route optimization

    • Logistics App
    • Livestock Management
    • Supply Chain Software
    • Geolocation integration

    EveryPig, US: Brocoders built the logistics platform that tracks pigs from breeding sow to packing plant, with GPS mapping and route optimization, admin panels for trucking companies, online contracts, three transport types and five user roles, on Ruby on Rails and React. It is built to replace the Microsoft Access tooling EveryPig's logistics ran on, for 350+ farms.

    Revenue Boosters logo

    Multi-tenant route management SaaS, MVP in 3.5 months

    • Geolocation integration
    • Logistics App
    • Field Service Management Software
    • SaaS

    Revenue Boosters, Kentucky: when the amusement operator's route management system stopped working for lack of maintenance, Brocoders built the replacement in 3.5 months: a React Native app for collectors, a web admin panel for machines and reports, and a multi-tenant NestJS back end with Google Maps and Geoapify routing. A team of four delivered it on time and within budget, built so the operator can resell it to similar businesses.

  • Backbone logo

    Event production platform running 20+ events and 90 suppliers

    • Resource Management Platform
    • Custom Scheduling
    • Field Service Management Software
    • ERP

    Backbone International, Netherlands: since June 2018 Brocoders has built the event production platform on React and Node.js, with scheduling, activity and supplier management, transport scheduling, equipment tracking, role-based access for staff, suppliers and clients, and shared call sheets. More than 20 events run through it with about 90 suppliers.

    skilent logo

    Three-sided recruiting platform scaled toward 100,000 users

    • HRTech
    • Resource Management Platform

    COMTECH LLC, US: Brocoders built Skilent, recruiting software for hiring managers, recruiters and candidates with job search, dashboards, a calendar, a messenger and a bounty points rewards system, on React and Node.js; the MVP took 5 to 6 months to spring 2019 and a second phase followed in 2020. When almost 20,000 active users hit a load problem, the team cut page load to 3 to 5 seconds and sized the system for 100,000.

  • Beyond green logo

    School lunch ordering platform with four back-office report types

    • Food Delivery App

    Beyond Green Sustainable Food Partners, Chicago: from June 2020 Brocoders built the online meal ordering platform on React and Node.js, where schools order from a dashboard with a calendar and the provider manages customers and orders in an admin panel. It generates four report types: financial, container label, production and delivery.

    korobox logo

    Honesty snack box app with Stripe micropayments bundled weekly

    • Food Delivery App

    Korobox, Brocoders' own product: from September 2019 we built the iOS and Android app for office honesty snack boxes in React Native and Node.js, with QR and barcode scanning, cash and Stripe card payments, calorie tracking and an admin panel for office managers. Micropayments are bundled weekly before settlement so the Stripe fee does not eat the price of a snack; active development is suspended.

  • Ladderout logo

    Recovery coaching software with 11 modules, 1,560+ active users

    • SaaS
    • Progressive Web App Development
    • Mental health app
    • Telehealth app

    LadderOut, Sweden: Brocoders built the research-based recovery program for a self-funded founder on Ruby on Rails and React, with eight recovery modules, relapse, skills and journal modules, and a support-person invite for parents, friends and psychologists. The psychologist kept changing the program during and after development, and the team shipped the amendments without disrupting users' progress.

    Strava, Garmin and Oura synced into one workout app

    • Microservices migration
    • Wearable Device Integration

    A US training equipment manufacturer in business since 1989: since 2021 Brocoders' Node.js team has integrated Strava, Garmin, Google Fit, Oura Ring and Amazon Halo into its interactive workout app through a separate data exchange module that prevents duplicate data across services. The team worked around Strava's rate limit of 100 requests per 15 minutes and 1,000 a day as the user base grew.

  • Adact logo

    Gamification MVP restructured for high load, 478,846 games in one campaign

    • SaaS
    • Gamification

    Adact, Estonia: in October 2020 Brocoders took Adact's working MVP on PHP and jQuery and rebuilt it on React, Node.js, and AWS in about 6 months, with campaign configuration in PostgreSQL and game analytics in MongoDB and AWS Lambda. By August 2022 we had added games, payments, Zapier, and a custom API, and we worked on Adact until June 2024. One agency campaign drew 567,077 visitors and 478,846 completed games in 10 days.

    converthero logo

    Exit-intent popup SaaS with builder, templates and billing

    • SaaS

    ConvertHero, US: in 2019 Brocoders built the exit-intent popup SaaS on Ruby on Rails and React, with a popup builder, designer templates, timing controls, campaign analytics, lead capture, CMS integrations and subscription billing. Site owners add a popup without a developer.

  • Gym system with smart turnstiles, 30% profit from extras

      Delivering a next-gen gym experience with a custom-built hardware & software package

    Quick Answers to Common Questions

    What makes React the right choice for complex web UIs?

    React's component model, virtual DOM, and large ecosystem make it the most practical choice for UIs with complex state, dynamic content, and many interactive elements. The developer ecosystem is the largest in frontend, which keeps hiring and tooling options wide.

    Does Brocoders use state management libraries like Redux with React?

    It depends on complexity. Brocoders prefers React Query for server state, Zustand for lightweight client state, and Redux Toolkit only when global state is genuinely complex. Over-engineering with Redux in small apps is a pattern Brocoders avoids.

    How does Brocoders optimize React app performance?

    Code splitting by route, lazy loading heavy components, memoizing expensive renders with React.memo and useMemo, virtualizing long lists, and auditing with React DevTools Profiler before and after sprints. Performance budgets are set at the start of a project.

    Can Brocoders refactor or upgrade an existing React codebase?

    Yes. Brocoders regularly takes over React codebases for refactoring, dependency upgrades (including class component to hooks migrations), and performance work. The process starts with a codebase audit that produces a prioritized technical debt backlog.

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    We are thrilled about the opportunity to provide software development services for your business

    Rodion Salnik

    Rodion Salnik

    CTO and Co-founder at Brocoders

    Pick a date that works for you to see available times to meet with me and discuss your project needs. Looking forward to meeting you!

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