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gabedalmolin/README.md

Gabriel Dalmolin

Software Engineer building reliable backend systems, APIs, and automation-driven products.

Backend First API Design Async Workflows Production Reliability

TypeScript Node.js PostgreSQL Redis Docker Next.js

I design and build backend systems, APIs, automations, and internal tools with a strong focus on reliability, explicit contracts, and long-term maintainability.

About

I'm a software engineer and founder with 6+ years of experience building backend systems, APIs, automations, internal tools, and production-oriented software products.

My work focuses on systems that need to be reliable, maintainable, and easy to evolve — especially where API contracts, asynchronous workflows, idempotency, integrations, and operational boundaries matter.

I work primarily with TypeScript, Node.js, PostgreSQL, Redis, Docker, React, and Next.js, with additional hands-on experience in Vue, Prisma, Python, Java, Lua, and C++.

Currently, I'm building software products through Kopf Studio, combining backend architecture, product thinking, automation, and resilient system design.

Featured Work

GrantLedger

Change-safe billing infrastructure for multi-tenant SaaS systems.

CI Security Self-hosted Ready Guided Demo OpenAPI

Schema-first contracts Multi-tenant boundaries Idempotency-first Replay-safe webhooks Async orchestration

Auth API

Production-grade authentication API with session-backed auth, refresh-token rotation, replay detection, rate limiting, and operational observability.

CI Release OpenAPI Docs

JWT + refresh rotation Replay detection Redis rate limiting Prisma + PostgreSQL Prometheus metrics

What I Focus On

  • Backend architecture and system design
  • API contracts, integration boundaries, and reliability
  • Idempotent and fault-tolerant workflows
  • Asynchronous processing and background jobs
  • Authentication, billing, and operational systems
  • Developer experience, testing, observability, and CI

Business Impact

  • Built internal tools, automations, and workflows that contributed to scaling Amazon operations from approximately $5K to $150K in monthly revenue
  • Helped structure systems and operational workflows behind Shopee becoming a 7-figure annual sales channel
  • Improved execution quality through reporting, automation, internal tooling, and cross-functional systems design

Principles

  • Clear thinking over clever code
  • Explicit contracts over hidden behavior
  • Reliability over happy-path demos
  • Maintainability over shortcuts
  • Small, reviewable improvements over chaotic rewrites
  • Production standards over local-only solutions

Contact

If my work resonates with what you're building, the best place to start is my website.

Website LinkedIn GitHub

Pinned Loading

  1. grantledger-platform grantledger-platform Public

    Multi-tenant SaaS billing platform with schema-first contracts, idempotent write flows, webhook replay handling, and asynchronous invoice processing.

    TypeScript 1

  2. auth-api-node auth-api-node Public

    Production-grade authentication API with session-backed auth lifecycle, refresh-token replay detection, Prometheus metrics, k6 benchmarks, Prisma/PostgreSQL persistence, Redis rate limiting, and sp…

    TypeScript 1

  3. spring-security-auth-api spring-security-auth-api Public

    A Spring Boot REST API showcasing authentication and authorization with Spring Security, JWT, and MySQL.

    Java 1

  4. dispatchlane dispatchlane Public

    Integration reliability platform for webhook ingestion, event delivery, retries, dead-letter handling, replay, and operational visibility.

    TypeScript 1

  5. php2go-study php2go-study Public

    Forked from marcospont/php2go

    Architecture-focused study fork analyzing framework design decisions, trade-offs, and migration patterns from traditional PHP stacks.

    PHP 1

  6. acessforge acessforge Public

    Policy-driven authorization control plane for systems that cannot guess access decisions. This is a backend system for modelling, evaluating, explaining, simulating, and safely rolling out access p…

    1