ReimeiTech
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Category · 9 services

SaaS & Product Development

Ship the SaaS you've been describing in pitch decks.

From MVP to multi-tenant scale: full-stack SaaS product engineering with billing, auth, admin, and observability built in from day one — not bolted on after launch.

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SaaS MVP Development

Launch a payable MVP in 6–8 weeks.

Opinionated, batteries-included SaaS MVPs: auth, billing, multi-tenant data, admin console, and a clean front-end shell. Ready to charge real customers, not a Figma prototype.

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Multi-Tenant SaaS

Tenant isolation that scales without rewriting it later.

Schema-per-tenant, row-level-security, or pooled architectures — chosen for your specific compliance and scaling profile. Includes the operational tooling to onboard, migrate, and offboard tenants safely.

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Subscription Platforms

Billing that survives plan changes, trials, and proration.

Production-grade Stripe (or Paddle, Adyen) integration covering trials, upgrades, downgrades, dunning, tax, and revenue reporting. Tested against every edge case your finance team will eventually ask about.

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Admin Dashboards

The internal console your support team has been asking for.

Operator-facing dashboards for customer impersonation, audit logs, feature flags, manual data fixes, and incident response. The tool that turns three-hour support escalations into thirty-second fixes.

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User Management Systems

Auth, teams, roles, invitations — done right, once.

SSO (Google, Microsoft, SAML), team and workspace models, granular permissions, invitation flows, and account-recovery — including the messy edge cases (email changes, account merges, SCIM provisioning).

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Billing Systems

Usage-based, hybrid, or seat-based — all of it correctly.

Billing logic that handles metered usage, included quotas, overages, prorated upgrades, and credit notes — with daily reconciliation against your accounting system.

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SaaS Backend Development

TypeScript / Go / Python backends built to outlive the team that wrote them.

API design, schema modeling, background jobs, queues, and observability — with strong testing discipline. Code that reads well and tests well, six months and three hires later.

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SaaS Modernization

Untangle the legacy without rewriting from scratch.

Incremental modernization of legacy SaaS — strangler-fig migrations, schema clean-up, framework upgrades, and test-coverage backfill. Preserves continuity; ships value in weeks, not in a multi-year rewrite.

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SaaS Product Scaling

Survive the load when the marketing finally works.

Database tuning, caching, queue back-pressure, read replicas, and rate-limiting — applied to the actual hot paths in your app, identified from real traces, not from generic best-practices.

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