Custom SaaS Development.
Zero to launch: product, platform, admin, billing. Shipped to paying users. We settle tenancy and billing before the first feature, take it live, and hand you a codebase your team owns.
What shows up in your repo.
Agent graph
Typed nodes, tool schemas, retry and fallback policy. Versioned like code.
agents/*.ts · dag.yamlEval harness
Golden sets, LLM-as-judge, regression runs on every PR.
evals/*.jsonl · ci.ymlObservability
Traces, token costs, hallucination rates, drift alarms. Wired to your stack.
otel · datadog · honeycombRunbook
What to do when a tool 500s, when latency spikes, when eval red-lines.
docs/runbook.mdTenancy decided on day one, not bolted on later.
The most expensive SaaS mistakes are isolation and billing decisions made too late. We settle them before the first line of product code.
Isolation model
Pooled, bridge, or silo — chosen against your security and scale needs, with row-level security or schema/db separation enforced in the data layer.
Billing & metering
Usage metering, plans, proration, dunning, and a clean Stripe (or equivalent) integration that finance can actually reconcile.
Auth, SSO & RBAC
Tenant-scoped identity, enterprise SSO/SAML, and role-based access that survives an enterprise security review.
Per-tenant analytics
Reporting that loads, scoped per organization, without one tenant ever seeing another tenant's data.
Every query is tenant-scoped by construction.
// Resolve the tenant once, at the edge of the request.export const withTenant = async (req, res, next) => { const tenant = await resolveTenant(req) // host / token / claim if (!tenant) return res.status(404).end() req.ctx = { tenantId: tenant.id, plan: tenant.plan } await db.setTenantScope(tenant.id) // RLS / search_path next()}Zero to paying, with the platform pieces in place.
A pricing engine, rebuilt in six weeks.
One representative case. Read the full editorial walkthrough, including the deploy log and latency chart.
Rebuilding a pricing engine in six weeks.
Series C fintech · monolith → 4 services + gateway · 42 TB ledger migrated · zero downtime.
READ THE CASE →Six things finance + eng teams want answered.
Choosing the isolation model (pooled / bridge / silo), enforcing tenant scoping in the data layer, and building billing, auth/SSO, RBAC, an admin console, and per-tenant analytics — the platform plumbing under your product, not just the UI.
It depends on your security posture, customer size, and scale. Enterprise buyers often need stronger isolation (schema or database separation); high-volume self-serve usually favors a pooled model with row-level security. We decide it with you in discovery.
Yes — product spec, platform, admin, billing, and launch. Our shipped SaaS work has gone from a doc to paying organizations in a single quarter. You own the repo from day one.
Yes: metering, plans, proration, trials, dunning, and a billing integration (typically Stripe) wired so finance can reconcile it. We treat billing as a first-class part of the platform.
We build for SSO/SAML, audit logs, RBAC, and data isolation from the start, so your first enterprise security questionnaire is an answer-the-questions exercise, not a rebuild.
Typically TypeScript on the product surface and Go or TypeScript on the platform, on your cloud account. We optimize for a codebase your team can own and maintain after we hand off.