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PLATFORM ARCHITECTURE

Software Architecture

Monolith, modular monolith, microservices, event-sourcing — needs-driven architecture, not pattern dogma. We pick what fits the team, the load, and the lifecycle.

ADR-001

Service Topology

Pattern
Decision: modular monolith
Modular Monolith
Team < 12, single deploy
✓ Chosen
Microservices
Premature for current scale
— Deferred
Event Sourcing
Audit domains only
✓ Partial
CQRS
Analytics + reporting
✓ Read side

Illustrative — every system gets its own decision matrix

Architecture Capabilities

Architecture that fits the problem

Capability · 01

Architecture Patterns

Monolith, modular monolith, microservices, hexagonal, clean architecture — picked from constraints, not fashion. Often, a well-built monolith ships faster and runs cheaper.

  • Modular monolith (Shopify-style)
  • Microservices + service mesh
  • Hexagonal / clean architecture
  • Service decomposition strategy
Capability · 02

Performance Engineering

Query plans, hot-path profiling, caching tiers, and DB tuning — squeezing latency and cost out of single-process systems before splitting them up.

  • Postgres / MySQL query tuning
  • Redis / Memcached caching
  • CPU + heap profiling (Pyroscope)
  • Capacity + load modeling
Capability · 03

Event-Driven & CQRS

Kafka / Redpanda streams, event sourcing with snapshots, CQRS read models, and idempotent consumers.

  • Kafka / Redpanda streaming
  • Event sourcing + snapshots
  • CQRS read-model projections
  • Outbox pattern + transactional events
Capability · 04

Domain-Driven Design

Bounded contexts, aggregate design, ubiquitous language workshops, and tactical patterns for high-complexity domains.

  • Bounded context mapping
  • Aggregate boundary modeling
  • Strategic + tactical DDD
  • Anti-corruption layers
Capability · 05

API & Integration Design

REST, GraphQL federation (Apollo / Hive), gRPC, and async-API standards with contract testing.

  • GraphQL federation (Apollo / Hive)
  • gRPC + protobuf schemas
  • AsyncAPI for events
  • Pact contract testing
Capability · 06

Security & Zero-Trust

Zero-trust architecture with SPIFFE/SPIRE identity, OPA policy enforcement, and threat-model reviews.

  • SPIFFE / SPIRE workload identity
  • OPA / Cedar policy engines
  • STRIDE threat modeling
  • Secrets management (Vault / SOPS)
Tech Stack

Technologies We Use

KubernetesKafkaRedisGraphQLgRPCIstioEnvoy

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