SaaS Product Engineering
Complete SaaS platforms built for growth — multi-tenant architecture, subscription billing, self-serve onboarding, and the analytics your team needs to iterate with confidence.
Engineering for Product-Market Fit
Successful SaaS products aren't just technically sound — they're designed to validate hypotheses quickly and scale commercially without architectural rewrites. My process starts by identifying your product's core value loop and building the minimum infrastructure that proves it works, before investing in scale-out features.
Multi-tenancy is an architectural decision made at the start, not retrofitted at Series A. I design the right isolation model for your compliance requirements (row-level security vs schema-per-tenant), then build authentication, RBAC, Stripe billing, usage metering, and audit logging as first-class concerns — the primitives every B2B SaaS needs to operate professionally.
The systems your team operates with matter as much as the product your customers use. I build admin dashboards, support tooling, and operational runbooks in parallel with the customer product — so on day one of launch, your team can manage users, handle edge cases, and monitor revenue without digging through databases.
6–10wk
Typical time to a production-ready SaaS MVP with auth, billing, and core features.
∞ Tenants
Multi-tenant architecture built to onboard unlimited organisations without re-engineering.
Core Capabilities
Proven engineering solutions for complex, real-world business problems.
Multi-Tenant Architecture
Row-level security or schema-per-tenant data isolation, subdomain routing, white-label theming, and organisation management — giving each customer their own environment.
Subscription Billing (Stripe)
Plans, trials, metered billing, proration, dunning, coupons, invoice generation, and the customer portal — complete monetisation infrastructure from day one.
RBAC & Permissions
Organisation-scoped roles enforced at the database, API, and UI layers — with SSO, magic links, TOTP, and enterprise auth integrations included.
Product Analytics
Funnel tracking, cohort analysis, feature usage metrics, and MRR/churn dashboards built into the admin panel — no data warehouse required at launch.
Feature Flags & Rollouts
Gradual feature rollouts, A/B testing, and beta access controls that let you ship and validate without toggling environment variables by hand.
Admin & Support Tooling
User management, subscription overrides, customer impersonation, audit logs, and operational runbooks — so your team can support customers without engineering help.
The Engagement Process
Product Scoping
Define the core value loop, user personas, and the minimal feature set that proves product-market fit. Everything else is deferred.
Architecture & Data Model
Design multi-tenancy model, database schema, auth strategy, and billing plan structure. Produce ADRs for every major decision.
Core Platform Build
Auth, RBAC, Stripe billing, tenant isolation, and admin dashboard — the SaaS primitives that underpin every feature sprint.
Feature Sprints
Weekly sprint cycles building product features on top of the platform foundation, with demos and feedback loops throughout.
Launch & Growth
Production deployment, onboarding flow, analytics instrumentation, and a 30-day post-launch support window.
Primary Technology Stack
Pricing & Investment
SaaS development investment reflects the complexity of building software that must be multi-tenant, scalable, and reliable from the first paying customer. These ranges cover full product delivery — frontend, backend, billing, and infrastructure.
SaaS MVP
£12,000 – £25,000
Single-tenant or simple multi-tenant app with Stripe Checkout, user auth, core feature set, and basic admin panel. The fastest path to a paying customer.
Ideal for: Early-stage SaaS founders, solopreneurs productising a service
Full SaaS Platform
£25,000 – £60,000
True multi-tenant architecture with RBAC, subscription management, usage billing, team workspaces, audit logs, customer dashboard, and a self-serve onboarding flow.
Ideal for: Funded startups building B2B SaaS, agencies building white-label products
Enterprise SaaS
£60,000+
SOC 2 compliance readiness, SSO/SAML, custom contract billing, dedicated infrastructure per tenant, advanced analytics, and ongoing engineering retainer.
Ideal for: Series A+ companies, regulated industries, enterprise-first GTM strategies
SaaS projects are delivered in phases so you can start generating revenue before the full platform is built. Ongoing retainer options are available for continuous product development after launch.
Frequently Asked Questions
Related Services
Ready to Build Your SaaS Platform?
Let's turn your product idea into a commercially-ready SaaS — with the billing, auth, and architecture to grow from zero to thousands of customers without rebuilding from scratch.