Senior B2B SaaS Development PartnerDevelopment Partner
We build B2B SaaS platforms for enterprise clients. 200+ products shipped, 8-12 week MVPs, fixed pricing.
IRPR is a senior B2B SaaS development partner that builds scalable platforms using Next.js, Node.js, React, Python, and Kubernetes. We ship production-ready MVPs in 12 weeks with full cloud infrastructure on AWS or GCP.
Every project includes source code ownership, CI/CD pipelines, and compliance docs for SOC 2 or HIPAA. Pricing is fixed from $80K to $250K depending on scope, defined in week 2 during the Roadmap phase.
We work with CTOs scaling their SaaS product, founders validating a new B2B idea, enterprise product managers migrating legacy systems, and VPs of Engineering needing a dedicated senior team.
Types of software we ship.
Multi-Tenant SaaS Platform
Separate billing, user management, and data isolation per tenant. Uses KUBERNETES for auto-scaling and STRIPE for subscriptions.
Usage-Based Billing Engine
Metering, invoicing, and tiered pricing for SaaS metrics. Integrates with BILL.COM and has a custom reporting dashboard.
API Gateway for B2B
Manage rate limits, auth, and versioning for partner integrations. Built on KONG and deployed with TERRAFORM.
Single Sign-On (SSO) Integration
Support SAML 2.0, OAuth 2.0, and OpenID Connect. Works with OKTA and AZURE AD for enterprise clients.
Subscription Management Dashboard
Track MRR, churn, and customer lifecycle. Pulls data from REVENUECAT and sends alerts via SENTRY.
Analytics Dashboard for SaaS
Real-time metrics on user behavior, feature adoption, and revenue. Uses MIXPANEL and D3.js for visualizations.
Workflow Automation Tool
Custom rules engine for notifications, approvals, and data sync. Integrated with SLACK and ZAPIER.
Integration Marketplace
Pre-built connectors for popular tools like HUBSPOT, SALESFORCE, and GMAIL. Ships with API documentation and testing suites.
We build for every business type.
Vertical SaaS
Security & Compliance
Operations & Logistics
Sales & Marketing
Vertical Industries
What makes a senior B2B SaaS development partner different
Not all SaaS developers deliver the same result. Here is what IRPR ships on every engagement.
IRPR assigns only senior engineers with 7+ years of experience. Every architect has shipped production SaaS platforms handling 10K+ concurrent users. We do not use junior or offshore teams for any part of your project.
Our fixed price model means you know the cost after week 2. No hourly billing, no surprise scope changes. The Roadmap phase (week 2) defines every feature, integration, and compliance requirement before any code is written.
Senior B2B SaaS development partner vs a generic dev shop
The difference comes down to experience, process, and accountability.
Generic development shops often reuse boilerplate code, skip compliance documentation, and charge hourly with vague timelines. They prioritize volume over quality and rarely assign senior engineers for the full project.
IRPR treats your SaaS platform as a product. We own the outcome, not just the code. Every engagement includes security audits, load testing, and post-release support for 30 days.
- Junior developers handle most features
- Hourly billing leads to cost overruns
- No compliance documentation included
- Boilerplate code with minimal testing
- Average timeline 20+ weeks for MVP
- No post-release support
- Senior engineers only (7+ years avg)
- Fixed price defined in week 2
- SOC 2, HIPAA, PCI-DSS docs included
- 100% custom code in your repo
- 12-week MVP delivery guaranteed
- 30 days free post-release support
Our process for building B2B SaaS platforms
Every project follows the same repeatable framework: Idea, Roadmap, Product, Release.
We start with a 1-week discovery to understand your market, users, and technical constraints. Then a 1-week Roadmap phase produces a fixed price quote, feature list, and architecture diagram.
The build phase runs 8-10 weeks with bi-weekly demos. After release, we monitor your SaaS for 30 days and hand over all source code, credentials, and documentation.
What ships with your B2B SaaS platform
Every project delivers a production-ready system, not just a codebase.
You receive full source code in your private GitHub repository. We set up CI/CD pipelines on GitHub Actions that deploy to AWS or GCP automatically on merge.
Sentry error tracking, Datadog monitoring, and PagerDuty alerts are configured from day one. Compliance documentation for SOC 2 or HIPAA is generated during the build phase.
- Source code in your private GitHub repo
- CI/CD pipeline on GitHub Actions
- Sentry error tracking with alert rules
- Datadog dashboards for infrastructure
- PagerDuty incident response setup
- PostgreSQL or MongoDB database schema
- REST API documentation via Swagger
- Load test results from k6
- Compliance report (SOC 2 / HIPAA / PCI-DSS)
- 30-day post-release support from IRPR
What we ship in this practice.
Multi-tenant SaaS for Fintech
Built a white-label investment platform with per-tenant data isolation. Reduced time-to-market by 6 months. Tech stack: Next.js, Python, PostgreSQL, Stripe, AWS EKS.
SaaS for Healthcare Scheduling
Developed a HIPAA-compliant scheduling platform used by 200 clinics. Automated 90% of manual appointment handling. Tech stack: React, Node.js, MongoDB, Twilio, Azure.
B2B SaaS for Real Estate CRM
Created a multi-tenant CRM for property managers with MLS integration. Increased user engagement by 40%. Tech stack: Vue.js, Ruby on Rails, PostgreSQL, Stripe, Heroku.
SaaS for Logistics Inventory
Shipped a real-time inventory tracking platform for a 3PL provider. Reduced inventory errors by 85%. Tech stack: Angular, .NET Core, SQL Server, Azure IoT Hub.
EdTech SaaS for Assessment
Built a FERPA-compliant assessment platform serving 500+ schools. Scaled to 50K concurrent users. Tech stack: Next.js, Django, PostgreSQL, AWS Lambda.
SaaS for Manufacturing Quality Control
Developed an ISO 9001 compliant quality tracking system for 10 factories. Reduced defect reporting time by 70%. Tech stack: React, Flask, SQLite, Kafka, GCP.
Why teams hire us.
Only senior engineers
Every engineer has 7+ years of SaaS experience. No juniors, no subcontractors. The person you meet in the discovery call is the one writing your code.
Fixed price, not hourly
We define the full scope in week 2 and quote a fixed price. You never get a surprise invoice. That price covers every feature in the Roadmap document.
12-week MVP guarantee
Our process is built to deliver a production-ready SaaS in 12 weeks. 98% of our projects ship on time. If we are late, we extend support at no cost.
Compliance built in
SOC 2, HIPAA, PCI-DSS, and FERPA documentation is part of every project. We do not treat compliance as a separate add-on.
Own your code fully
You own every line of code, every config file, and every deployment script. There is no proprietary framework keeping you locked in.
Post-release support included
We monitor your SaaS for 30 days after launch. You get direct Slack access to the engineers who built it. No handoff to a separate support team.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.