Experienced B2B SaaS Development VendorDevelopment Vendor
We build B2B SaaS products for 200+ clients across 50 countries. Get a fixed-price MVP in 8-12 weeks with senior engineers only.
IRPR is an experienced B2B SaaS development vendor that has shipped 200+ products using Next.js, Python/Django, and AWS. Our senior engineers each have 7+ years of experience, so your project is in expert hands.
Your SaaS MVP ships in 8-12 weeks with a fixed price determined during the Roadmap phase (week 2). Pricing ranges from $80K to $250K depending on scope. We handle compliance like HIPAA, PCI-DSS, and SOC 2 as needed.
We are hired by B2B SaaS founders who need a technical co-founder replacement, CTOs at enterprise companies building internal tools, product managers launching new verticals, and startups seeking a reliable development partner.
Types of software we ship.
Multi-tenant SaaS platform
A single codebase serving multiple customers with separate databases. Uses Django and PostgreSQL for isolation.
API-driven back end
RESTful or GraphQL APIs for mobile apps and third-party integrations. Built with Node.js and Apollo Server.
Admin dashboard and analytics portal
Custom dashboards with real-time metrics using React, D3.js, and WebSockets for live updates.
Subscription billing integration
Handles recurring payments, invoicing, and usage metering via Stripe Billing and Recurly.
Customer portal with SSO
Self-service portals with SAML/OAuth login, ticket tracking, and document uploads. Built with Next.js and Auth0.
Workflow automation tool
Automates multi-step processes with state machines and event queues using Celery and Redis.
Data integration platform (ETL)
Connects to Salesforce, HubSpot, and APIs to sync data in real time via AWS Glue and Airflow.
Marketplace SaaS (multi-vendor)
Enables vendors to list products, manage orders, and handle payouts using Stripe Connect and Elasticsearch.
We build for every business type.
Healthcare SaaS
Fintech SaaS
Enterprise SaaS
Ecommerce SaaS
EdTech SaaS
Why Choose an Experienced B2B SaaS Development Vendor
IRPR brings over a decade of experience building production B2B SaaS products that scale.
We started IRPR to solve the problem of failed software projects. Since 2012 we have shipped 200+ B2B SaaS products for clients in 50 countries. Every project is built by a team of senior engineers, not junior developers or outsourced staff.
Our fixed-price model starts with a 2-week Roadmap phase where we define every feature, the exact tech stack, and a guaranteed timeline. This eliminates scope creep and cost overruns. We have a 98% on-time delivery rate across all projects.
The Difference Between Generic Dev Shops and a Real B2B SaaS Vendor
Most agencies promise custom software but deliver cookie-cutter solutions. Here is how IRPR is different.
Generic development shops often use junior developers, have no domain expertise, and treat every project like a WordPress site. They do not understand multi-tenancy, data isolation, or subscription billing. That is why B2B SaaS founders come to IRPR.
We only hire senior engineers with 7+ years of experience. Our team has built data pipelines handling 10TB+, payment systems processing $100M+, and HIPAA-compliant platforms serving 500K patients. We know what ships and what breaks.
- Junior developers or freelancers with no B2B SaaS experience
- Hourly billing with no fixed price or cap
- No roadmap phase; starts coding immediately
- Unclear code ownership; often uses templates
- No compliance expertise (HIPAA, PCI, SOC 2)
- Long timelines; average project takes 6+ months
- Senior engineers only; average 9 years experience
- Fixed price after a 2-week Roadmap phase
- Roadmap phase defines architecture, tech stack, and timeline
- Full code ownership in your GitHub repo from day one
- Built-in compliance: HIPAA, PCI-DSS, SOC 2 out of the box
- MVP in 8-12 weeks with guaranteed delivery
Our Process: From Idea to B2B SaaS Product
We follow a four-phase approach that reduces risk and accelerates time to market.
Every engagement starts with a discovery call where we understand your market, users, and business goals. Then we move through four distinct phases, each with clear deliverables and a go/no-go decision point.
This process has been refined over 200+ projects and ensures that by the time we write code, the architecture is sound, the scope is fixed, and the compliance requirements are addressed.
What You Get When You Hire IRPR as Your Development Vendor
Every project ships with a complete set of production-ready deliverables.
We do not hand over half-finished code. Every project ends with a fully deployable SaaS product along with documentation, tests, and infrastructure-as-code.
Your team can take over immediately because everything is documented and automated. We also provide a post-launch warranty period to handle any edge cases.
- Source code in your private GitHub repository
- CI/CD pipeline on GitHub Actions or CircleCI
- Containerized deployment on AWS ECS or Kubernetes
- Sentry error tracking and New Relic performance monitoring
- Automated tests with 90%+ code coverage
- API documentation generated with Swagger/OpenAPI
- Seed data scripts and database migration files
- Stripe subscription integration (if applicable)
- Security audit report from OWASP ZAP
- Post-launch 2-month support window
What we ship in this practice.
Multi-tenant CRM for a Sales Team
Built a custom CRM with contact management, pipeline tracking, and email sync. Reduced manual data entry by 8 hours per week per rep. Stack: Next.js, PostgreSQL, Postmark, and Stripe for invoicing.
HIPAA-Compliant Telemedicine Platform
Developed a video visit system with secure messaging and e-prescriptions. Handled 50K consultations in the first quarter. Stack: Python/Django, Twilio Video, AWS HIPAA-eligible services.
B2B Subscription Billing Portal
Created a usage-based billing portal for a cloud infrastructure startup. Cut billing cycle time from 2 weeks to 30 minutes. Stack: Node.js, Stripe Billing, MongoDB, and React Admin.
Enterprise Learning Management System
Built a full LMS with SCORM support, analytics dashboards, and SSO integration. Scaled to 100K concurrent users during peak exams. Stack: Next.js, PostgreSQL, Redis, FERPA compliance.
Multi-Vendor Ecommerce Marketplace
Developed a platform for 500+ vendors to list products and manage orders. Automated payouts saved 20 hours of manual accounting per week. Stack: Ruby on Rails, Stripe Connect, Elasticsearch.
Real-Time IoT Monitoring Dashboard
Delivered a dashboard for manufacturing equipment monitoring with live sensor data and alert rules. Reduced downtime by 35% across 3 factories. Stack: Node.js, WebSockets, InfluxDB, Grafana.
Why teams hire us.
Fixed price, not hourly
Every project gets a fixed quote after the 2-week Roadmap phase. No hourly billing, no surprise invoices, no scope creep. You know the budget from day one.
Senior engineers only
Our engineers average 9 years of experience and have built SaaS products handling 10+ million API calls per day. We never use junior developers or outsource.
HIPAA and SOC 2 native
We have built 40+ HIPAA-compliant platforms and maintain SOC 2 Type II certification. Compliance is baked into our architecture, not bolted on after launch.
Full code ownership
Source code is in your GitHub repository from the first commit. There are no licensing fees, and you can take the product anywhere after launch.
8-12 week MVP guarantee
Our process delivers a production-ready MVP in 8-12 weeks. We have a 98% on-time rate because we define scope and architecture before writing a single line of code.
Dedicated product manager
Every project includes a product manager who handles backlog grooming, stakeholder communication, and QA. You have a single point of contact throughout the build.
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.