Senior Website Development Agency VendorAgency Vendor
We pair you with senior engineers who have built 200+ products. Ship production websites in 8 to 12 weeks for one fixed price.
IRPR is a senior website development agency vendor that assigns only senior engineers with 10+ years of experience. We build websites using React, Next.js, Node.js, TypeScript, and PostgreSQL for performance, security, and scalability across browsers and devices.
Every project ships with a fixed price agreed in the Roadmap phase (week 2). Typical budgets range from $80,000 to $250,000 for a production-ready website delivered in 8 to 12 weeks. We maintain SOC 2, HIPAA, and PCI-DSS compliance for enterprise clients.
Companies hire us when they need a senior-level vendor for mission-critical websites: CTOs who want zero junior mistakes, product managers scaling an MVP to production, and founders who need a reliable partner for ecommerce or SaaS platforms.
Types of software we ship.
Corporate Website
A senior-built corporate site with headless CMS (Contentful or Strapi), SSR for SEO, and enterprise-grade uptime. Includes blog, careers, and investor pages.
E-commerce Platform
Custom ecommerce with Stripe, Shopify storefront API, or BigCommerce. Senior engineers handle payment flows, inventory sync, and 99.9% uptime.
SaaS Landing Page
Multi-page marketing site with HubSpot or Salesforce integration. Built with Next.js, A/B testing via Vercel, and conversion analytics.
Web Portal
Client portal with user roles, file uploads, and SSO (Auth0). Used by healthcare and fintech firms, compliant with HIPAA and PCI-DSS.
Membership Site
Subscription-based content platform with Stripe billing, user levels, and gated pages. Senior team builds secure access and automated renewals.
Custom CMS
Headless or traditional CMS built on Sanity, Contentful, or custom Node.js. Designed for non-technical editors with drag-and-drop layouts.
API-Integrated Site
Website that connects a client's backend (REST/GraphQL) with third-party APIs like Twilio, Salesforce, or AWS Lambda for real-time data.
Progressive Web App
PWA with offline support, push notifications, and install prompts. Uses Service Workers and Lighthouse audits for 90+ performance scores.
We build for every business type.
B2B Tech Companies
SaaS Startups
Enterprise Finance
Healthcare & Life Sciences
E-commerce & Retail
Why hire a senior website development agency vendor?
Senior engineers build faster, ship cleaner code, and avoid the mistakes junior teams make.
When you hire a vendor that assigns junior or mid-level developers, you pay for learning time, rework, and missed deadlines. A senior website development agency vendor like IRPR ensures every line of code is written by engineers who have shipped 200+ products across 50 countries.
Our senior team delivers production-ready websites in 8 to 12 weeks with a fixed price. We use React, Next.js, Node.js, and PostgreSQL from day one. Every project includes automated CI/CD, error tracking via Sentry, and analytics through Mixpanel.
The difference with IRPR
Most agencies talk about senior developers. We only hire them.
IRPR is built around a simple rule: no junior engineers touch your code. Every team member has 10+ years of professional experience. We use fixed-price contracts that include weekly demos, full documentation, and zero surprise invoices.
A generic dev shop often assigns mid-level developers to reduce cost. That leads to slower delivery, more bugs, and frequent scope changes. With IRPR you get senior engineers from the discovery call to final deployment.
- Junior or mid-level developers assigned to your project
- Hourly billing with no budget cap
- Scope creep when you ask for one extra feature
- Delays from rework and poor code quality
- No compliance (HIPAA, PCI-DSS, SOC 2)
- You never own the full source code
- Senior engineers only (10+ years each)
- Fixed price agreed in week 2
- Weekly demos and milestone-based delivery
- 8-12 week production timeline
- Built-in HIPAA, PCI-DSS, and SOC 2 compliance
- Full code ownership on day one
How we deliver senior-level websites
Four phases, weekly progress, no surprises.
Every engagement starts with the Idea phase (1 week) where we understand your business, users, and compliance needs. We then move to Roadmap (1 week) and produce a fixed-price contract with a feature list and timeline.
The Product phase runs 6-10 weeks in one-week sprints. Each sprint ends with a demo and a working build. Release (1 week) covers deployment, documentation, and handoff.
What ships by default with every project
You get everything you need to run and maintain a production website.
We don't leave you with just a repo. Every deliverable includes the infrastructure, monitoring, and documentation needed for your team to operate the site. All code is committed to your repository from day one.
You can extend the site, audit any commit, or hand it to a new developer without needing IRPR. The code is production-ready and follows industry best practices.
- Source code in your private GitHub or GitLab repo
- CI/CD pipeline using GitHub Actions or GitLab CI
- Hosting on AWS, Vercel, or Netlify with your account
- Sentry error tracking with alerting
- Google Analytics or Mixpanel setup
- Responsive, accessible design (WCAG AA)
- SEO meta tags, sitemaps, and structured data
- Post-deployment runbook and architecture diagram
- Admin user guide for content editors
- One month of post-launch support
What we ship in this practice.
Enterprise corporate website for a cybersecurity firm
Built a 12-page corporate site with team bios, case studies, and a resource library. Integrated with HubSpot for lead capture. Reduced time-to-resell page load by 60% using Next.js static generation. Stack: Next.js, Tailwind CSS, Contentful, HubSpot API.
SaaS landing page for a B2B analytics platform
Designed and developed a multi-page marketing site with A/B testing for signup forms. Senior engineers built the integration with Stripe and Salesforce. The client saw a 35% increase in trial signups within 8 weeks. Stack: Next.js, Stripe, Salesforce, Vercel.
Custom ecommerce platform for a DTC brand
Replaced a slow Shopify theme with a headless storefront built on Next.js and BigCommerce. Added real-time inventory sync via custom API. Conversion rate improved by 25% after launch. Stack: Next.js, BigCommerce, Stripe, Algolia.
HIPAA-compliant patient portal for a telehealth startup
Built a secure portal where patients book appointments, upload medical records, and talk to doctors via video. Integrated Twilio for notifications and Stripe for payments. Compliant with HIPAA audit logs. Stack: React, Node.js, PostgreSQL, Twilio, Stripe.
Real estate listing site for a multi-city brokerage
Created a MLS-synced website with property search, saved favorites, and virtual tour integration. Senior engineers built a custom search algorithm that returns results in under 200ms. Stack: Next.js, Elasticsearch, Google Maps API, AWS Lambda.
Membership platform for an online education company
Developed a subscription-based learning portal with course videos, quizzes, and certificates. Integrated Stripe for recurring billing and SendGrid for email automation. Student retention increased by 40% after launch. Stack: React, Node.js, Stripe, SendGrid.
Why teams hire us.
Only senior engineers touch your code
Every developer on your project has 10+ years of experience. We don't train juniors on your budget. 200+ products shipped across 50 countries prove our team's track record.
Fixed price, not hourly
You get a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges. Budgets typically run $80,000 to $250,000 for a full production website.
Weekly delivery you can use
Every sprint ends with a working build deployed to a staging environment. You see real progress every Friday, not a slide deck. Average project timeline is 12 weeks.
Full code ownership from day one
All source code and assets are in your repository from the first commit. You own everything. You can take the project to any developer or agency after we finish.
Built-in compliance for regulated industries
We ship websites that pass HIPAA audits (healthcare), PCI-DSS scans (ecommerce), and SOC 2 Type II reviews (SaaS). Our engineers have built compliance controls into 50+ projects.
Global team with US overlap
Our senior engineers work from 9+ time zones but overlap with US business hours (9am-1pm ET daily). We use async communication via Linear and Slack to keep momentum 24/5.
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.