Software solutions built for your industry.
RCB Software is a fixed-price, full-stack studio. We build marketing sites, web applications, and mobile platforms with the design, engineering, and delivery discipline of an in-house product team — specified in writing, quoted to the dollar, and shipped on the schedule.
Service & Vertical.
Custom software built for a specific industry. Every engagement is the domain, stack, and delivery wrapped into a fixed-price scope.
Construction APIs that connect your project management, accounting, and field operations into one data layer.
A construction API integration layer that connects your project management system, accounting software, and field reporting tools — with a unified project data view that doesn't require manual reconciliation to produce.
View engagement002DTC brands run on customer data. An API integration layer makes that data usable instead of siloed.
A custom API integration layer that connects your DTC tool stack with the automation logic and data flows specific to your brand — eliminating manual work and enabling the customer journeys your built-in integrations can't execute.
View engagement003Ecommerce API integrations that connect your sales channels, fulfilment, and analytics into a coherent system.
An ecommerce API integration layer that keeps inventory, orders, and customer data consistent across all your sales channels and fulfilment partners — eliminating oversells, manual data entry, and the 2-hour daily reconciliation your ops team does every morning.
View engagement004Your API is your product. Build it like money moves through it — because it does.
A fintech API that's ready for real developer integrations — complete with sandbox, SDKs, versioning, auth keys, webhook signatures, and the reliability contract a risk-averse customer expects.
View engagement005Food delivery APIs that connect your ordering platform, kitchens, and drivers into a real-time operation.
A food delivery API layer that connects your ordering platform to restaurant POS systems, kitchen display screens, and driver dispatch — with real-time order status flowing to the customer without a human in the middle.
View engagement006Healthcare APIs that connect your product to the clinical data it needs to deliver value.
A HIPAA-compliant API integration layer that connects your healthtech product to the clinical data sources it needs — EHR data, insurance eligibility, lab results, or prescription data — with the audit trail that healthcare compliance requires.
View engagement007Hospitality technology stacks are fragmented by design. A custom API layer fixes the fragmentation.
A custom integration API connecting your PMS, channel manager, booking engine, and POS — with real-time rate and inventory sync, guest profile consolidation, and the operational visibility your properties need.
View engagement008Insurance APIs that connect quoting, binding, policy management, and claims across your technology stack.
An insurance API integration layer that connects your quoting engine, policy management system, claims system, and distribution partners — with real-time data exchange replacing manual re-entry and batch file transfers.
View engagement009Logistics APIs that connect your operation to the carriers, customers, and systems that run it.
A logistics API layer that connects your TMS, carrier systems, customer portals, and accounting software — eliminating manual data entry and giving every stakeholder real-time visibility without a human in the loop.
View engagement010Marketplace APIs that connect buyers, sellers, and the payment and trust infrastructure between them.
A marketplace API layer with automated seller onboarding, Stripe Connect payment splitting, identity verification, automated dispute workflows, and a supply-side API that lets sellers integrate your platform into their operations.
View engagementBuild A.
End-to-end builds for the software product you have in mind. Specified, scoped, and delivered at a fixed price.
Build a B2B SaaS — multi-tenant, team-based, enterprise-ready.
B2B SaaS application deployed — multi-tenant, role-based permissions, team management, Stripe billing by seat or organization
View engagement002Build a B2C app — consumer-grade UX, scalable from day one.
B2C application deployed — consumer-grade onboarding, core value loop, retention mechanics, and scalable infrastructure
View engagement003Calendly handles simple 1:1 scheduling. Your business needs something more specific.
A custom booking system that handles your specific scheduling complexity — with real-time availability, online payment collection, calendar integrations, automated reminders, and a customer-facing booking experience that converts.
View engagement004Build a booking system — online scheduling that works for your business.
Custom booking system deployed — service selection, availability management, confirmation, and payment at booking
View engagement005Build a chat application — real-time messaging for your specific use case.
Chat application or embedded chat feature deployed — real-time messaging, channels or direct messages, message history, and notifications
View engagement006Your clients deserve a portal that looks like it belongs to your business — not a vendor's.
A branded client portal on your domain where clients can access documents, track project status, communicate with your team, view invoices, and request services — without a single email to you.
View engagement007Build a client reporting portal — automated reports your clients actually look at.
Client reporting portal deployed — live dashboards with client-specific data, automated metric updates, and self-service report generation
View engagement008Build a community platform — owned community, not rented space on Circle or Discord.
Custom community platform deployed — member profiles, discussion spaces, events, content library, and monetization
View engagement009Build a comparison site — structured data that helps users choose.
Comparison site deployed — product/service database, feature comparison tables, search and filter, and monetization infrastructure
View engagement010Build a contract automation tool — generate, send, sign, and store contracts at scale.
Contract automation tool deployed — template management, variable data population, e-signature via DocuSign or Documenso, and executed contract storage
View engagementHire A Developer.
Engineers delivered as outcomes, not hours. Hire a role and get the finished build.
CTO-level technical leadership without a full-time hire.
Technical leadership engagement covering architecture review, roadmap planning, team structure, and investor technical due diligence
View engagement002B2B SaaS built for teams, not individuals.
B2B SaaS platform with organization model, team management, RBAC, and Stripe subscription billing
View engagement003Consumer app development where user experience is the product.
Consumer application with fast onboarding, mobile-optimized UI, and the UX quality that retains individual users
View engagement004Backend systems that actually work under production load.
Backend system with designed API, database schema, authentication, and deployment — built to scale from the current load to the next order of magnitude
View engagement005Migrate from Bubble before the platform limits cost more than the migration.
Bubble application migrated to Next.js with all features, data migrated to Postgres, and performance improved
View engagement006Clerk is the right authentication platform for SaaS. It still takes experience to implement correctly.
A production Clerk integration with multi-tenant Organisations, webhook sync, Next.js App Router authentication, and the specific patterns that make Clerk integrations reliable at scale.
View engagement007Content management that editors can actually use.
Headless CMS integrated with Next.js — content models, editor-friendly interface, and build/preview configuration
View engagement008Contract development that actually delivers.
Project completed to specification on time, with code quality and documentation that allows internal teams to maintain it
View engagement009Convex changes the architecture of real-time web applications. It takes experience to use it well.
A production application built on Convex with the correct schema design, query patterns, real-time subscriptions, and mutation strategies that the Convex platform enables.
View engagement010Custom CRM built for your sales process, not someone else's.
Custom CRM with pipeline management, contact data, activity logging, and reporting tailored to the business's sales process
View engagementTech Stack.
Deep expertise in the stack your product already runs on — or the stack it should be built on.
Real-time messaging infrastructure that scales without managing WebSocket servers.
Ably integration with pub/sub channels, presence tracking, message history, and the real-time infrastructure that handles thousands of concurrent connections reliably
View engagement002Search that users trust requires sub-50ms results, typo tolerance, and relevance tuning.
Algolia search integration with sub-50ms results, typo tolerance, faceted filtering, and the index configuration that surfaces relevant results
View engagement003Claude API integration for applications that need sophisticated language reasoning.
Anthropic Claude API integration with streaming, tool use, system prompt design, and the input/output validation that makes AI features production-ready
View engagement004AWS for the services where it's the best choice — not as a default for everything.
AWS service integration with proper IAM permissions, encrypted storage, and the managed services that handle the infrastructure your application needs
View engagement005S3 is the right choice for large-scale file storage. The access control patterns are where it goes wrong.
S3 file storage with presigned upload URLs, private bucket access, CORS configuration, and the download flow that keeps files secure
View engagement006Authentication is the first thing users interact with. It needs to work perfectly.
Complete Clerk authentication implementation: social login, magic links, MFA, middleware-based route protection, and user management UI
View engagement007Clerk solves authentication. It still takes experience to wire it correctly for multi-tenant SaaS.
A production Clerk integration with Organisations for multi-tenancy, webhook sync keeping your database current, and the Next.js App Router authentication patterns that work correctly.
View engagement008Cloudflare sits in front of every request. What happens there matters.
Cloudflare configuration with CDN caching, bot protection, rate limiting, and Cloudflare Workers for edge logic that improves performance globally
View engagement009Image and video optimization that happens automatically, not manually.
Cloudinary integration with automatic format conversion, responsive images, transformation URLs, and the image management workflow that keeps assets organized
View engagement010Convex is a genuinely different backend model. Most tutorials teach you to fight it.
A production application built on Convex with the schema design, query patterns, and real-time subscription architecture that makes Convex the right choice over REST + PostgreSQL.
View engagementOutcomes.
Engagements oriented around the outcome — revenue, efficiency, compliance, or product launch.
Enterprise customers want API access. Your product needs a real REST API before the deal closes.
A documented REST API with API key management, scoped permissions, rate limiting, and webhook events — enabling the integrations your customers are asking for
View engagement002A single-tenant application can't serve enterprise customers. Multi-tenancy makes it possible.
Multi-tenant application with proper data isolation per organization, org-scoped user management, and the Clerk Organisations architecture that makes the isolation reliable
View engagement003You built the product. Now it needs to charge for it.
Stripe billing integrated into the existing application with subscription plans, webhook handling, feature gating, and the Stripe Customer Portal for self-serve billing management
View engagement004Enterprise customers don't want another password. They want to log in with their company identity.
SSO via SAML 2.0 and OIDC added to the existing product, with JIT provisioning and connection management for enterprise customers
View engagement005Manual customer onboarding is the scaling ceiling most SaaS founders don't see coming.
Self-serve onboarding flow that takes new customers from signup to first value without any manual intervention, instrumented to show where users drop off
View engagement006Reports your team generates manually every week should generate themselves.
Automated reporting dashboard where the data pipelines pull fresh data, calculations run automatically, and reports are available in real time or delivered on schedule
View engagement007Data is only a product advantage when it's presented in a way users can act on.
Data product with efficient pipelines, analytical queries tuned for performance, and user-facing dashboards that turn raw data into decisions
View engagement008When your customers' developers want to integrate your product into their stack, you need an API.
Public REST API with API key management, rate limiting, documentation, and the developer experience that makes integration adoption fast
View engagement009The software your competitors can't copy is the business advantage that compounds.
Proprietary software that encodes your specific operational advantage — the data model, the workflow, the customer experience — in a system that competitors can't access regardless of budget.
View engagement010When partners want to resell your product under their brand, white-label is the distribution lever.
White-label infrastructure added to the existing product — per-partner custom domains, branding configuration, and the admin tools to manage partner deployments
View engagementProblem Aware.
For founders and operators who know the problem — and need the software to remove it.
Known vulnerabilities need to be fixed before they're exploited.
Vulnerability remediation covering the identified issues, with fixes for OWASP Top 10 relevant to the application's tech stack
View engagement002Apple rejected your app. Here's why and how to fix it.
App resubmitted and approved after addressing the specific rejection reason — whether it's a guideline violation, incomplete app review information, or a technical issue
View engagement003If Google can't index it, it doesn't exist in search.
Application correctly indexed in Google with proper metadata, sitemap, canonical tags, and server-side rendering for public pages
View engagement004Slow apps lose users. Performance is a product feature.
Measurably faster application with specific performance improvements: faster initial load, faster data fetching, and improved perceived performance through UI feedback
View engagement005Home-built auth accumulates technical debt faster than almost anything else.
Auth system migration to Clerk (or NextAuth.js) with all existing users migrated and auth functionality improved
View engagement006Multi-tenancy is not just user authentication. It's an architecture decision that affects every part of the system.
A multi-tenant SaaS platform with properly isolated tenant data, organisation-level access control, per-tenant configuration, usage metering for billing, and a security model that has been explicitly designed to prevent cross-tenant data access.
View engagement007Senior developers are expensive, scarce, and don't want to be your first hire.
A production-ready product — built to a fixed spec with a fixed price and a defined delivery date — without the 6-month hiring process, the $180k salary, and the equity dilution of a senior engineer who joins early.
View engagement008Flying blind: no visibility into how users actually use the product.
Product analytics implemented with event tracking on key user actions, funnel analysis, and retention metrics
View engagement009Payment bugs are revenue leaks. Every failed checkout is money left on the table.
Reliable checkout flow with proper Stripe error handling, payment retry logic, and monitoring to catch payment failures before they become revenue losses
View engagement010A broken CI/CD pipeline means deployments are slower and riskier.
Reliable CI/CD pipeline with sub-10-minute builds, consistent test runs, and automatic deployments on merge to main
View engagementBy Stage.
Engagements sized for your company stage — from MVP to Series B scale-up to enterprise rebuild.
Small businesses that have outgrown off-the-shelf software deserve custom solutions too.
A custom web application that solves the specific operational problem — replacing the spreadsheets, connecting the disconnected systems, or automating the manual workflow — at a price that fits small business economics.
View engagement002Seed stage means you have the funding and a hypothesis. Now you need the product.
A production seed-stage application — multi-tenant if B2B, subscription billing if SaaS, the core feature set that initial customers pay for, and the architecture that supports the Series A story.
View engagement003The software that got you here is the bottleneck keeping you from what's next.
A modern rebuild of the business's core application — same functionality, new architecture — on a stack that performs at your current scale, changes at the velocity you need, and attracts engineers who want to build on it.
View engagement004Agencies that build tools for their clients deliver a different level of value than agencies that only deliver deliverables.
A branded, custom-built client-facing application that reflects your agency's quality standard, is owned by your agency, and gives your clients a reason to stay.
View engagement005Bootstrapped founders don't have VC runway. Every dollar needs to return more than a dollar.
A production web application built for the bootstrapped founder's context — scoped to what drives revenue, priced to fit bootstrapped economics, and designed to run with minimal operational overhead.
View engagement006Consulting firms that productize their methodology grow faster than those that stay in services.
Software product built on the firm's methodology — a proprietary tool, client portal, or productized assessment that creates recurring revenue alongside consulting fees
View engagement007First product. First technical partnership. Get both right.
First product built on a solid technical foundation, with the architecture decisions made correctly the first time and the technical advisement that prevents the common first-product mistakes
View engagement008Legal operations that run on email and Word documents are an efficiency problem waiting to be solved.
Client-facing portal and internal matter management tools that reduce administrative overhead, improve client experience, and keep attorney time focused on legal work
View engagement009Marketing agencies that build proprietary tools win clients that tool-less agencies can't.
Agency software product — client-facing portal, proprietary reporting dashboard, or campaign management tool — that creates a technology moat competitors can't easily replicate
View engagement010You understand the problem better than any developer. You just need someone to build the solution.
Software product built with clear progress visibility — scoped deliverables, regular demos, and documentation that keeps the founder informed without requiring technical fluency
View engagementBy Location.
Agencies and engineers available for engagements in every major US market and remote worldwide.
Boston has world-class engineering talent and world-class agency overhead to match.
A production application for Boston-based founders, built at fixed price with the domain-aware implementation quality that Boston's regulated and technical verticals require.
View engagement002New York-area clients who want a senior developer — not a New York agency markup.
A production custom software application — web, mobile, or both — delivered by a senior developer with a track record, at a price that doesn't include Manhattan office costs.
View engagement003Chicago has a strong developer market and an agency billing culture that inflates project costs.
A production web or mobile application — delivered to Chicago-based clients at fixed scope and fixed price, without the markup of a Chicago enterprise development agency.
View engagement004Remote fractional CTO — technical leadership without the full-time commitment.
Technical leadership in place — architecture decisions made, team guided, technical roadmap defined
View engagement005Remote full-stack developer — one developer, complete application.
Complete web application built — database, API, and UI from one developer, fixed scope, fixed price
View engagement006Atlanta mobile app development — for the Southeast's growing mobile market.
Mobile app built and deployed — iOS and Android from one React Native codebase
View engagement007Austin mobile app development — consumer and B2B apps, fixed-price.
Mobile app built and deployed — iOS and Android from one React Native codebase
View engagement008Boston mobile app development — healthtech, enterprise, and life sciences apps.
Mobile app built and deployed — iOS and Android with HIPAA-aware or enterprise-ready architecture
View engagement009Chicago mobile app development — enterprise and consumer apps, fixed-price.
Mobile app built and deployed — iOS and Android for enterprise or consumer use
View engagement010Denver mobile app development — iOS and Android, fixed-price.
Mobile app built and deployed — iOS and Android from one codebase, App Store and Play Store ready
View engagementComparisons.
The honest comparisons — build vs. buy, in-house vs. agency, fixed-price vs. retainer.
Retainers buy ongoing capacity. Projects buy defined deliverables.
Engagement structure that matches the stage — fixed-price project for greenfield builds, retainer for post-launch ongoing development
View engagement002API-first when clients are diverse. Monolith when one client is all that matters.
Architecture selection that matches the actual client requirements — monolith when one web client is the focus, API-first when mobile or external consumers are part of the product plan
View engagement003B2B SaaS charges businesses. B2C apps charge consumers.
Clear product model selection with understanding of how the target customer (business vs. consumer) drives the acquisition strategy, pricing model, and the product's technical requirements
View engagement004Buy when the problem is solved. Build when the solved version doesn't fit.
Clear framework for when to buy SaaS tools, when to build custom, and how to evaluate the make/buy decision for specific use cases
View engagement005Both handle authentication. Clerk is built for Next.js; Auth0 is built for everything.
Authentication platform selection with clear understanding of the trade-offs between Clerk's Next.js-native DX and Auth0's enterprise capabilities
View engagement006Clerk is a standalone auth platform. Supabase Auth is auth inside a larger backend.
Auth platform selection with understanding of how the database choice and auth choice interact
View engagement007Firebase is Google's real-time database. Convex is the next generation.
Backend selection based on the application's data model, query requirements, and the team's TypeScript experience
View engagement008Adalo builds mobile apps visually. React Native builds mobile apps correctly.
Understanding of when Adalo's builder is appropriate and when a React Native application is the right foundation for a production mobile app
View engagement009Bubble gets you to product-market fit. Custom code takes you past it.
Clear framework for when Bubble is the right tool and when a custom Next.js application is the right next step
View engagement010FlutterFlow generates Flutter code. React Native Expo gives you control.
Clear framework for when FlutterFlow's visual builder accelerates development and when React Native Expo is the better long-term choice
View engagementCase Studies.
Shipped engagements — the scope, the stack, the outcome, and the price.
A SaaS company's enterprise customers needed integrations the product didn't have. We built an integration middleware layer in 10 weeks.
Integration middleware with pre-built Salesforce, HubSpot, Slack, and Teams integrations — enabling new integrations in 2 weeks instead of 6
View engagement002A B2B SaaS with per-seat billing, a full admin panel, and a Stripe billing portal — launched in 10 weeks.
Production-ready B2B SaaS launched to paying customers in 10 weeks
View engagement00360 phone calls/day. A custom booking system eliminated 85% of them.
A custom booking system with real-time availability, online booking for 24 services and 8 staff, SMS confirmation and reminders, and an admin dashboard — reducing after-hours lost bookings from 85% to near zero.
View engagement00428 active clients. 400 emails/week. One client portal fixed it.
A branded client portal handling project status, approval workflows, file delivery, and client communication — reducing email volume by 90% and freeing account managers for billable work.
View engagement005A mid-size GC replaced Procore with a custom application built around their workflow — and cut per-project admin time by 40%.
Custom construction management application built around the client's actual workflow — RFIs, submittals, daily reports, subcontractor portals — with the specific approval logic their team uses
View engagement006A Shopify store outgrew Shopify. Here's what we built to replace it.
A custom ecommerce backend handling inventory routing, B2B pricing, and loyalty — integrated with Shopify via API — eliminating the manual overrides and operational errors while keeping the storefront Shopify's team managed.
View engagement007When Shopify is the right storefront but the wrong backend.
A custom operations backend handling wholesale pricing, loyalty point mechanics, and drop inventory management — integrated with Shopify via API — eliminating the launch-day errors and the manual inventory management.
View engagement008An online education company replaced Teachable with a custom platform — and launched 3 new course products in 60 days.
Custom course platform with video hosting, custom assessments, cohort enrollment, certificates, and Stripe billing with no transaction fees
View engagement009An HVAC company dispatches 24 technicians through a paper-based system. We replaced it with a mobile app in 12 weeks.
React Native mobile app for technicians with digital work orders, GPS dispatch, photo documentation, and customer signature capture
View engagement010A personal finance management app with Plaid bank connection and Stripe subscription billing — 14 weeks.
A production fintech web application launched to 1,200 waitlist customers with Plaid bank account connection, transaction categorization, and Stripe monthly billing
View engagementCan’t find your shape of engagement?
Tell Ryel about your project. You’ll get a written, fixed-price scope within the week — whether it looks like anything on this page or not.