Backend-focused Software Engineer with 5+ years building production APIs, distributed services and cloud-native applications for international product environments.
Experience MediaMarktSaturn Technology 2024 — Present · Senior Software Engineer · Backend
Designing and maintaining production backend services in an international retail technology environment. API design, code reviews, complex debugging and production incident resolution.
Welocalize 2023 — 2024 · Software Engineer II
Internal APIs and applications, platform development and API reliability. Diagnosing bugs and shipping production fixes with Product Owners and engineers.
TELUS International 2021 — 2023 · Backend Developer
Web applications, backend services and API development. Resolving production issues, writing maintainable code and delivering products iteratively.
Skills backend: Node.js, Python, TypeScript, JavaScript, NestJS, Koa, Express, REST, OpenAPI, GraphQL, Apollo GraphQL
data: PostgreSQL, MongoDB, Mongoose, MySQL, Sequelize, Redis, RabbitMQ, Microservices, Event-driven Architecture
cloud: GCP, Cloud Run, Pub/Sub, BigQuery, Docker, CI/CD, GitHub, GitHub Actions, pnpm monorepos
ai: AI Agents, LLM Integration, Tool / Function Calling, MCP, RAG, Multi-Agent Workflows, Prompt Engineering, Evaluation, Observability, OpenAI ecosystem, Claude ecosystem, Gemini ecosystem
architecture: Hexagonal Architecture, DDD, SOLID, Clean Code, TDD, BDD, Jest, Code Review
frontend: React, Next.js, Vue.js
Projects OpenScratch · TypeScript, Electron, React, Monaco Editor, Node.js, esbuild
Yoyita Suites Aruba · React
ITA Wiki · Node.js, React
The interactive terminal and contact form require JavaScript. Contact Carlos on LinkedIn .