Independent Software Studio & Advisory

Turning complex product ideas into fast, resilient web systems.

I partner with startups and scaling businesses to engineer production-ready web apps, eliminate performance bottlenecks, and build reliable backend architectures built to last.

View Proven Results
● ● ● jerryco.dev // telemetry-v2.4
Global P95
38msSub-50ms SSR
SLA uptime
99.98%Automated failovers
Cache hit ratio
99.4%Edge Redis layer
Security score
100/100OWASP validated
● Telemetry verified in production benchmarksNext.js · Node.js · PostgreSQL

Engineering principles

How I Build Software

Designed for business resilience: responsive systems, deterministic transactions, and modular architectures your future team can build on with confidence.

● Real-time flow active

Scalable full-stack architecture

Decoupled systems with intelligent cache layers and connection pooling for sustained high concurrency.

// REQUEST FLOW PIPELINE38ms roundtrip
Browser clientNext.js SSR
Edge CDNWAF & cache
Core APITyped services
DatabasePostgres & Redis
ACID SAFETY
Strict isolationASYNC QUEUES
Redis-backedCONNECTION POOL
Managed

Security & data integrity

Defensive engineering built in from the first line of code.

Role-based accessStrict isolation
Token & header sanitizationEnforced
Distributed rate limitingRedis-backed
Data encryptionTLS / encrypted at rest

High velocity with clean handoff

Strict TypeScript, automated tests, deterministic migrations, and clear documentation keep every release easy to own.

● main: release-2.4.0
1. Lint & typespassed
2. Unit & E2Epassed
3. Docker buildpassed
4. Live canarypassed

Proven outcomes

Selected case studies

Real solutions for latency, scale, and operational friction.

Logistics & Wholesale SaaS

High-throughput multi-tenant commerce engine

Refactoring a monolithic bottleneck into an event-driven distribution backend.

  • Optimistic-lock queuing for inventory sync across 40+ warehouses.
  • Edge cache validation to reduce peak database reads.
  • Deterministic migrations and zero-downtime deployments.
Next.jsNestJSPostgreSQLRedisDockerAWS ECS
Fintech Operations

Real-time financial telemetry & reconciliation

Architecting an immutable audit ledger with sub-second aggregate reporting.

  • Streaming aggregates with partitioned time-series storage.
  • Granular RBAC and audit logs for compliance readiness.
  • A typed SDK and OpenAPI documentation for internal teams.
ReactTypeScriptNode.jsTimescaleDBKafkaTailwind CSS

Engagement models

How we can work together

Transparent, focused engagements tailored to eliminate technical roadblocks and ship reliable software.

Fixed scope · 1–2 weeks

Architecture & performance audit

A focused deep-dive into your code, data, cloud architecture, and security posture.

Key deliverables

  • P95 latency and query profiling
  • Security hygiene & OWASP review
  • Step-by-step remediation roadmap
  • Live technical walkthrough
Most requested

Sprint-based · 4–12 weeks

Full-cycle product engineering

End-to-end delivery for web applications, SaaS MVPs, and core backend systems.

Key deliverables

  • Full-stack application development
  • Performant data model & API design
  • CI/CD and containerization
  • Documentation & team handoff

Monthly retainer · Flexible

Fractional staff / tech advisory

High-leverage engineering leadership for teams that want a seasoned technical partner.

Key deliverables

  • Architecture and system-design reviews
  • High-priority code review
  • Scaling and cloud-cost guidance
  • Direct technical access

Ready to build a system that scales effortlessly?

Let's discuss your product goals, current stack, and a concrete execution roadmap.

[email protected]