Ingress
API design, authentication and intentional boundaries at the edge.
IT & Technology · Backend Developer
Where every
request finds its way.
I design the invisible systems that keep products moving: resilient APIs, event pipelines, data layers, queues, integrations and the operational guardrails around them.
ROUTE • RETRY • OBSERVE • SCALE • RECOVER • ROUTE • RETRY • OBSERVE • SCALE • RECOVER • ROUTE • RETRY • OBSERVE • SCALE • RECOVER •
System philosophy
Make complexity travel quietly.
Backend work is choreography under pressure: contracts should stay clear, failures should degrade gracefully, and every important path should leave a useful signal behind.
42Services shipped
7Years engineering
18Production integrations
99Reliability mindset %
Process
Services, queues and asynchronous work built for real load.
Persist
Data models, caches and query paths tuned for dependable reads and writes.
Observe
Metrics, traces and operational context that shorten the path back to clarity.
Selected systems
Work beneath the interface.
Backend problems where throughput, consistency and recovery mattered as much as feature delivery.
EVENT PLATFORM / 01
Meridian Flow
Rebuilt a synchronous workflow into an event-driven processing system with idempotent workers, dead-letter handling and operational tracing.
→ faster independent releases · clearer failure recovery
API PLATFORM / 02
Northline Gateway
Unified fragmented service access behind versioned contracts, policy controls and measurable request paths.
→ one front door for product traffic
DATA / 03
Vault Ledger
Designed a high-integrity data flow around auditability, reconciliation and safe retry behavior.
→ trustable state transitions
Backend toolkit
Tools, shown as signal strength.
The stack is presented as confidence markers across the systems I use to move data, logic and decisions.
Node.js
Python
PostgreSQL
Redis
Kafka / Queues
Docker & Cloud
Experience
More ownership, deeper layers.
A progression from shipping features to shaping the systems and operating conditions around them.
Senior Backend Developer · Forge Systems
Own service architecture for high-volume workflows, guide backend decisions and improve the visibility of production behavior.
Backend Developer · Meridian Labs
Built APIs, asynchronous workers and database layers while supporting migrations toward more independent services.
Software Engineer · Coreline Digital
Developed integration-heavy product features and built the testing and deployment habits that made production systems safer.
Open channel
Send the problem through.
Share the system, bottleneck or integration challenge and I will get back with a useful next step.
✉ rafael@example.com
☎ +55 11 5550 0164
◈ São Paulo, BR