How do BYO key deployments work?

Customer-managed KMS keys with envelope encryption and per-tenant audit logs. Compatible with AWS KMS, GCP KMS, and Azure Key Vault.

How do you handle schema migrations safely?

Backwards-compatible migration patterns, dual-write strategies, and per-tenant migration scheduling avoid coordinated cutover risk.

Technology / High-Scale SaaS Multi-Tenant Backend

High-Scale SaaS Multi-Tenant Backend

We engineer multi-tenant SaaS backends that scale from your first enterprise design partner to thousands of concurrent enterprise tenants — with hard data isolation, regulator-friendly controls, and zero-downtime evolution.

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10k+

Enterprise tenants per cluster

Hard isolation

Per-tenant data residency and IAM

99.99%

Uptime SLO

Trusted by global innovators

Industry Overview

High-Scale SaaS Multi-Tenant Backend: Engineered End-to-End

Multi-tenancy isn't just a database design choice — it's the architecture of your entire product surface. We build SaaS backends that grow from startup velocity to enterprise rigor without forcing the rewrite that kills momentum.

Industry Challenges

What Stops Most Teams From Solving This Today

Common friction points we hear from technology teams scoping this kind of platform.

Tenancy Boundaries Drift: Early shortcuts in tenant isolation create catastrophic risk at scale.
Enterprise Demands: Single-tenant deployments, dedicated regions, and BYO key requests all hit at once.
Cost Per Tenant: Naive single-instance-per-tenant designs explode unit economics.
Schema Migrations: Multi-tenant schema changes are slow, risky, and often executed at midnight.

Our Approach

Our Engineering Approach

We engineer for the operational reality — not the demo.

Tenant-Aware From Day One

Every service, query, and log treats tenancy as a first-class concept.

Flexible Isolation Tiers

Shared, dedicated, and isolated deployment modes with the same product surface.

Schema Evolution Safety

Backwards-compatible migrations with safe canary rollout patterns built in.

Capabilities

Production-grade features the platform ships with from day one.

Tenant-Aware Services

Every microservice carries tenant context end-to-end with safety guarantees.

Multi-Tier Tenancy

Shared, dedicated, and fully-isolated tiers within one product platform.

Per-Tenant Data Residency

Region-locked tenants with cross-region orchestration.

BYO Key & Encryption

Customer-managed keys with envelope encryption and audit.

Tenant-Level Observability

Per-tenant SLOs, tracing, and cost attribution baked in.

Safe Schema Evolution

Backwards-compatible migration patterns and dual-write strategies.

Identity Federation

SAML, OIDC, and SCIM federation with tenant-specific policies.

Quotas & Throttling

Per-tenant quotas and noisy-neighbor protection by default.

How It Works

Reference Architecture

How data and decisions flow end-to-end.

Identity Layer

Tenant identity, SSO federation, and SCIM provisioning.

Service Layer

Tenant-aware microservices with policy enforcement points.

Data Layer

Shared, dedicated, and isolated data tiers with migration safety.

Observability

Per-tenant tracing, metrics, and cost attribution.

Operations

Tenant-level deployment, migration, and incident management tools.

Engineering Stack

Technology Stack

A pragmatic stack chosen for reliability, speed, and ease of operation.

Core Services

GoRustTypeScriptgRPCGraphQL

Data

PostgreSQLCitusAuroraRedis

Identity & Policy

Auth0WorkOSOPAVault

Infra

KubernetesLinkerdIstioTerraform

Observability

OpenTelemetryGrafanaDatadogHoneycomb

Cloud

AWSGCPAzure

Measured Impact

Quantified outcomes from production deployments.

10k+

Enterprise tenants per cluster

99.99%

Uptime SLO

Sub-second

p95 API latency

Hard isolation

BYO key support

HR-Tech SaaS Hyper-Growth

An HR-tech startup needed a backend that could serve thousands of concurrent enterprise clients with strict data residency and BYO key requirements.

We designed a tenant-aware architecture that grew from 50 to 5,000 enterprise tenants in 18 months without re-platforming, and now supports their largest customer in a fully isolated single-tenant tier on the same product code.

Case Study

Use Cases

Where This Earns Its Keep

Common deployment patterns we see across customers.

B2B SaaS Platforms

Enterprise-grade SaaS with shared and dedicated tiers.

Vertical SaaS

Industry-specific multi-tenant platforms with regulated tier options.

API & Developer Platforms

Multi-tenant developer platforms with rate limiting and quota.

Embedded SaaS

White-label platforms embedded in customer apps.

Marketplace Platforms

Two-sided marketplaces with tenant separation between buyers and sellers.

Enterprise Internal Platforms

Internal developer platforms used across business units.

Integrations

Integrates With Your Existing Stack

We connect to the systems your teams already know.

IdP

OktaAuth0

Enterprise SSO

WorkOS

BYO Key

AWS KMS

Analytics

Snowflake

Observability

Datadog

Compliance-First Development Services Backed by Global Standards

We build secure, scalable products designed for privacy, interoperability, and regulatory readiness from day one across every sector we serve.

General Data Protection Regulation

Implement lawful consent flows, data minimization, and secure processing for global data privacy.

Service Organization Control 2

Verified controls for security, availability, and confidentiality of enterprise data systems.

Information Security Management

Adhering to the international gold standard for managing information security risks.

Our Edge

Why Global Leaders Choose Us

We combine deep technical expertise with industry-specific knowledge to deliver solutions that aren't just functional, but transformational.

Enterprise-Grade Security

We implement rigorous security protocols and compliance standards (HIPAA, GDPR, SOC2) across all industrial solutions to protect sensitive data.

High-Performance Scaling

Our architectures are built to handle massive data loads and user bases, ensuring seamless performance whether you're serving ten or ten million.

Accelerated Time-to-Market

Leveraging our suite of internal tools and proven frameworks, we reduce development cycles and get your product to market 40% faster.

Embedded AI Integration

Beyond simple wrappers, we build deep-learning integrations and predictive analytics directly into the core of your industry-specific workflows.

Engagement Model

Predictable, structured delivery from kickoff through long-term ownership.

Discovery & Scoping

We map the existing systems, constraints, and stakeholders to scope a focused 8–12 week first delivery.

Architecture & Pilot

A working slice on a representative environment — proving the data flow end-to-end before scaling.

Production Engineering

Hardened services, observability, access controls, and audit logging go live behind your IAM.

Operate & Iterate

We stay on as the embedded engineering team — closing tickets, tuning models, and shipping new value.

Voices of Success

We don't just build products; we forge lasting partnerships. See how we've helped industry leaders transform their vision into technical reality.

"I can clearly see how Agnotic has a unique way of handling end-to-end development. They are always active on quick chat and provide support quickly."

Aaron Phelan

Founder, Benchmark

"Agnotic is the best technical team we evaluated. Their engineering excellence made our work dramatically easier and allowed us to stay focused on what matters most for maternal care outcomes. They took full ownership of the technical execution, and we are always happy to continue working together."

Kim Smith

Founder, My Lauren

"Agnotic combines deep technical expertise with strong domain knowledge. They understand the business context, anticipate challenges, and make collaboration smooth and effective."