Senior B2B SaaS Development ServicesDevelopment Services
Hire senior engineers who ship B2B SaaS products in 8-12 weeks. Fixed pricing, no hourly billing.
IRPR builds B2B SaaS platforms using React, Node.js, Python, AWS, Docker, Kubernetes, and PostgreSQL. Every project is led by senior engineers with 10+ years of experience in building multi-tenant, subscription-based products.
We ship your B2B SaaS MVP in 8-12 weeks with fixed pricing between $80K and $250K. Our team handles compliance requirements like SOC 2, HIPAA, and PCI-DSS so your product is enterprise-ready from day one.
We work with CTOs at funded startups who need a fast, reliable MVP, SaaS founders scaling from pilot to production, enterprise innovation teams building internal B2B tools, and product managers at mid-market companies looking to launch a new SaaS line.
Types of software we ship.
SaaS MVP Development
Build a minimum viable product with core billing, user management, and analytics. Uses Stripe, Auth0, and AWS.
Multi-Tenant SaaS Platform
Architect isolated data and configurations per customer. We use PostgreSQL row-level security and Kubernetes namespaces.
B2B Subscription Management
Handle recurring billing, metered usage, and plan upgrades. Integrates with Chargebee, Recurly, or Stripe.
SaaS Dashboard & Analytics
Custom dashboards with real-time metrics, data visualizations, and exportable reports. Built with React, D3.js, and InfluxDB.
Enterprise SaaS Integration
Connect your SaaS with Salesforce, HubSpot, Slack, or legacy systems using REST APIs and webhooks.
SaaS White-Label Solution
Rebrandable platform for resellers. Includes multi-org support, custom domains, and role-based access control.
API-First SaaS Product
Design a public API as the primary interface. Includes rate limiting, API keys, and comprehensive documentation via Swagger.
SaaS Marketplace Platform
Enable third-party integrations or plugins. Built with a plugin architecture, webhook system, and revenue sharing logic.
We build for every business type.
Professional Services
Healthcare
Fintech
Logistics & Supply Chain
Real Estate
Why senior engineers matter for B2B SaaS development
Junior devs overrun budgets. Senior engineers ship faster with fewer bugs.
A typical agency staffs projects with a mix of juniors and mid-level developers. That means more hand-holding, more rewrites, and longer timelines. IRPR assigns only senior engineers (7+ years experience) who have built production B2B SaaS before. They know how to handle database migrations, API rate limiting, and third-party integrations without breaking things.
Our senior team reduces debugging time by 40% compared to mixed-level teams. Every pull request is reviewed by a senior architect, and we maintain 99.9% uptime across all deployed projects. You get a product that scales, not a prototype that needs rebuilding.
IRPR vs. generic dev shops
Not all agencies deliver quality. Here is how IRPR is different.
Generic dev shops optimize for utilization — they keep developers busy across multiple projects. That leads to context switching, delayed timelines, and inconsistent code quality. IRPR dedicates a senior engineer to your project full-time during the build phase.
We also fix the price upfront after a 2-week Roadmap phase. No hourly billing, no surprise invoices. Every project includes a dedicated project manager and weekly demos so you see progress every Friday.
- Mixed junior/senior team
- Hourly billing with scope creep
- No compliance expertise
- 4-6 month delivery
- No post-launch support plan
- Abstract code ownership
- 100% senior engineers (7+ years)
- Fixed price after 2-week roadmap
- Built-in SOC 2, HIPAA, PCI-DSS
- 8-12 week delivery to MVP
- Sentry monitoring + 30-day support included
- Full source code ownership from day one
Our B2B SaaS development process
We follow a repeatable 4-phase framework: Idea, Roadmap, Product, Release.
Phase 1 (Idea) takes 1 week. We align on goals, user stories, and technical feasibility. You get a clear product brief and a risk assessment for each major assumption.
Phase 2 (Roadmap) sets the exact scope and price. In week 2, we produce a detailed backlog, architecture diagram, and fixed-price contract. No changes after this without a change order you approve.
What ships with your SaaS MVP
Every deliverable is production-ready and owned by you.
When we finish, you get more than just code. We hand over a complete system that you can run, modify, and scale. No lock-in, no hidden dependencies.
- Source code in your Git repository (GitHub or GitLab)
- CI/CD pipeline with GitHub Actions or GitLab CI
- Staging and production environments on AWS
- Sentry error tracking and performance monitoring
- PostgreSQL database with schema documentation
- Stripe integration for subscription billing
- User authentication via Auth0 or Firebase
- Admin dashboard with basic analytics
- API documentation (Swagger/OpenAPI)
- Deployment runbook and architecture overview
What we ship in this practice.
Multi-tenant analytics dashboard for logistics SaaS
We built a dashboard that aggregates shipment data from 3 APIs and displays real-time KPIs. Engineers reduced report generation from 4 hours to 10 minutes per day. Tech stack: React, Node.js, InfluxDB, AWS Lambda.
Subscription billing platform for HR tech startup
We created a usage-based billing system with metered pricing and automatic invoicing. The client reduced billing errors by 90% and cut finance team hours by 15 per week. Tech stack: Python, Django, Stripe, PostgreSQL.
Telemedicine SaaS with HIPAA compliance
We developed a secure video consultation platform for a healthtech company. The product passed a SOC 2 Type II audit on the first attempt and onboarded 200 providers in the first month. Tech stack: React, Twilio Video, AWS Elastic Beanstalk, DynamoDB.
White-label CRM for real estate franchises
We built a multi-tenant CRM with custom domain support and role-based access. Franchisees saw a 25% increase in lead conversion within 90 days. Tech stack: Next.js, PostgreSQL, Node.js, Auth0.
API-first payment reconciliation platform for fintech
We designed a REST API that processes 10,000 transactions per minute with sub-second latency. The client eliminated manual reconciliation, saving 40 hours per week. Tech stack: Go, Redis, Kafka, Stripe Connect.
Learning management SaaS for edtech
We delivered a course authoring platform that supports 50 concurrent editors. The client launched with 12 courses and enrolled 3,000 students in the first quarter. Tech stack: Vue.js, Python, Celery, Azure, PostgreSQL.
Why teams hire us.
Fixed price from week 2
After the 2-week Roadmap phase, we give you a fixed quote. No hourly billing, no surprise charges, no scope creep. You know the cost before we build anything.
Senior engineers only
Every developer on your project has 7+ years of experience and has shipped at least 3 B2B SaaS products. We do not outsource or staff juniors.
8-12 week delivery
Our average MVP timeline is 10 weeks. We use proven components (e.g. Stripe, Auth0, AWS) to avoid reinventing the wheel and ship fast.
Full code ownership
You own all source code, infrastructure configs, and documentation from day one. No proprietary frameworks, no licenses to pay later.
Compliance built in
We design for SOC 2, HIPAA, PCI-DSS, and other standards from the start. Our base architecture includes encryption, audit logs, and access controls.
Async-first communication
Our team works across time zones with daily overlap on US hours. You get weekly demos, a Slack channel, and a shared project board. No endless meetings.
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.
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