SaaS Product Engineering From MVP To Scale.
We design and build SaaS platforms with a focus on architecture, performance, and operational readiness. Whether you are launching an MVP or refactoring a production system, we deliver clean codebases and reliable deployments.
Production-ready SaaS, not just a working prototype.
We work with founders and product teams to deliver software that performs in production, not just in demos. Our delivery model emphasises technical clarity, predictable milestones, and operational readiness from day one.
Our teams have shipped platforms handling millions of transactions, complex multi-tenant architectures, and integrations across payments, CRM, ERP, and identity providers. We bring that production experience to every engagement, regardless of where you are starting from.
Every SaaS engagement ships with the same foundation.
We do not cut corners on architecture to hit a deadline. These are the non-negotiables on every platform we build.
Six types of SaaS work we do well.
Whether you are starting from scratch, scaling an existing platform, or fixing a codebase that has grown beyond its original architecture, we have done it before.
MVP Development
Fast, focused builds that get your product in front of users without accumulating technical debt that will slow you down at Series A. We scope what matters for validation and build it properly.
Platform Modernisation
We take over legacy SaaS codebases and bring them to a state where they can be scaled, maintained, and extended without constant firefighting. Code audit, architecture review, and phased refactoring.
Multi-tenant Architecture
Shared database, separate schema, or silo per tenant — we architect and implement the right model for your business. Data isolation, tenant onboarding automation, and cross-tenant reporting built correctly from the start.
API Design and Integration
REST and GraphQL APIs designed for developer experience — consistent error handling, versioning strategy, OpenAPI documentation, and webhook systems that external integrators can rely on.
Scalability and Performance
When your platform starts to slow under load, we diagnose and fix it. Query optimisation, caching strategy, background job architecture, horizontal scaling, and database connection pooling — addressed at the root cause, not patched.
Billing and Subscription Systems
Stripe and Authorize.Net integration covering subscription plans, usage-based billing, trial management, proration, failed payment handling, dunning flows, and billing portal UI.
Three ways to work with us on your SaaS platform.
We structure every engagement to match your stage, your timeline, and your risk tolerance.
MVP build
A focused, milestone-based build from specification to launch. We scope what matters for your first users, build it to production standards, and ship on a realistic timeline. No bloat, no shortcuts.
Extended team
We embed alongside your existing engineers on a time-and-materials or retainer basis. We fit into your workflow, contribute to your backlog, and bring SaaS platform expertise to your team without the hiring overhead.
Audit and remediation
A structured review of your existing SaaS codebase covering architecture, performance, security, scalability, and technical debt. Delivered with a prioritised remediation plan and optional implementation.
How we build SaaS from brief to production.
Every SaaS engagement follows this process. Specification before code. Milestones before delivery. Handover before sign-off.
Discovery and architecture
We map your product requirements, user roles, data models, integrations, and non-functional requirements. Architecture decisions are made before any code is written.
Technical specification
A written spec covering every feature, API endpoint, database schema, access rule, and edge case. Agreed and signed off before build begins.
Milestone development
Development in stages with a staging environment, code reviews, and a client checkpoint at each milestone. You see progress at every stage.
Testing and QA
Unit, integration, and end-to-end tests across all critical paths. Load testing where relevant. All third-party integrations tested against live API environments.
Launch and handover
Controlled production deployment, full documentation, knowledge transfer session, and a 30-day post-launch support window as standard.
The stack we use to build production SaaS.
Brands Consulted
Projects Delivered
Years of Expertise
Transactions Processed
Common questions about our SaaS engineering work.
Not finding your question here? Send it through the contact form and we will reply with a direct technical answer.
Talk to usYes. We start with a code audit covering architecture, security, scalability, and technical debt. We give you an honest assessment of the state of the codebase and a prioritised remediation plan before committing to a scope. Most SaaS platforms we take over have a mix of well-built areas and areas that need structural work. We identify both accurately and address them in a sequence that minimises disruption to your running product.
The right model depends on your compliance requirements, tenant count, data isolation needs, and operational complexity budget. A shared database with row-level tenant discrimination is simpler to operate and works well for most SaaS products at scale. Separate schemas or silo databases are appropriate when tenants require strong data isolation guarantees, often for compliance reasons. We assess your specific situation and recommend the right model with a clear rationale, then build it properly.
Yes. We have integrated Stripe into SaaS platforms at various stages — from greenfield builds through to retrofitting billing into existing products that started without subscription infrastructure. We cover subscription plans, usage-based billing, trial periods, proration, failed payment handling with automated dunning, and customer billing portal UI. We also integrate Authorize.Net for platforms that require it, particularly in US markets where Stripe is not preferred.
A focused SaaS MVP with authentication, a core feature set, billing, and admin tooling typically takes eight to fourteen weeks from a signed specification. This varies significantly based on feature complexity, third-party integration requirements, and how much of the scope is genuinely MVP versus nice-to-have. We always produce a written spec before committing to a timeline, which is where scope negotiation happens — not mid-build.
We work with both. Early-stage founders get a senior engineering partner who helps define what to build before writing a line of code. Established companies get a team that can extend their platform, fix structural issues, or deliver a specific feature set without the ramp-up cost of a permanent hire. Budget ranges vary significantly between the two, and we scope accordingly.
You do. Full IP assignment is standard on all engagements. You own the code, the documentation, and all related assets upon final payment. We write code that your internal team can extend and maintain — documented, structured, and free of patterns that create unnecessary dependency on us. If you need an NDA before we discuss your project, we sign one first.
