Making Code
Making Code is the corner where I share my experiences and knowledge about technology, software development, cryptography, blockchain, artificial intelligence, and much more.
Andrés Esquivel
Senior Backend Engineer
Senior Backend Engineer | AWS Developer Associate | NestJS | Microservices | MongoDB | PostgreSQL | Distributed Systems
With 5+ years of experience building scalable backend systems and cloud-native architectures, I specialize in designing distributed systems that handle millions of requests. From microservices to serverless, I'm passionate about creating robust, maintainable solutions.
Designing scalable microservices with Clean Architecture, Hexagonal patterns, and CQRS/Event Sourcing.
Hands-on AWS (Lambda, ECS, EKS, serverless); AWS Developer – Associate certification in progress (exam scheduled).
Building resilient systems with Kafka, gRPC, and service mesh patterns for high availability.
Reducing latency by 60%+ through caching strategies, query optimization, and efficient resource utilization.
Mentoring engineers and establishing best practices for code quality, testing, and CI/CD.
Building production AI workflows with AWS Bedrock, LLM integration, and intelligent automation.
Wost Creative Solutions
Jan 2026 - Present Ene 2026 - Actualidad
Full-time remote delivery for web and mobile products, multitenant APIs, and integrations with regional compliance and logistics services. Entrega remota a tiempo completo para productos web y móviles, APIs multitenant e integraciones con cumplimiento regional y servicios logísticos.
Tres Astronautas
Mar 2021 - Jan 2026 Mar 2021 - Ene 2026
Remote full-time roles in Colombia: progressed from senior backend (product and mentoring) to technical lead, owning architecture, quality, and delivery across distributed systems. Roles remotos a tiempo completo en Colombia: evolución de backend senior (producto y mentoría) a líder técnico, a cargo de arquitectura, calidad y entrega en sistemas distribuidos.
Think In
Feb 2019 - Feb 2024 Feb 2019 - Feb 2024
Freelance, project-based work from Colombia (remote): APIs, mobile, payments, cloud, IoT, and applied ML. Trabajo freelance por proyectos desde Colombia (remoto): APIs, móvil, pagos, nube, IoT y ML aplicado.
Company JEF
Jul 2021 - Jul 2022 Jul 2021 - Jul 2022
Objective-based independent work from La Libertad, Peru: product delivery across backend, frontend, and edge-style workloads. Trabajo independiente por objetivos desde La Libertad, Perú: entrega de producto en backend, frontend y cargas tipo edge.
Wost Creative Solutions
Feb 2020 - Jan 2022 Feb 2020 - Ene 2022
Freelance, objective-based projects across data, APIs, multi-tenant systems, mobile, and e-commerce. Proyectos freelance por objetivos en datos, APIs, sistemas multitenant, móvil y comercio electrónico.
Coordinadora Mercantil
Mar 2021 - Oct 2021 Mar 2021 - Oct 2021
Short project-based engagement from Colombia (home office) for a logistics network platform. Colaboración corta por proyectos desde Colombia (home office) para una plataforma de red logística.
Comodin Empresas
Aug 2017 - Jul 2020 Ago 2017 - Jul 2020
Objective-based home office work on a services marketplace connecting users with trusted specialists in Peru. Trabajo por objetivos en home office en un marketplace de servicios que conecta usuarios con especialistas de confianza en Perú.
Izaro
Aug 2017 - Oct 2018 Ago 2017 - Oct 2018
Full-time role in Trujillo building internal and client systems for an incubator-style corporation. Rol a tiempo completo en Trujillo construyendo sistemas internos y de clientes para una corporación tipo incubadora.
Universidad Nacional de Trujillo
2012 - 2017 2012 - 2017
Activities and societies: SEEC Actividades y sociedades: SEEC
Making Code is the corner where I share my experiences and knowledge about technology, software development, cryptography, blockchain, artificial intelligence, and much more.
Three NestJS microservices with PostgreSQL per service and Kafka-compatible event bus (Redpanda). Implements outbox pattern, idempotent consumers, retry/DLQ, and optional LLM integration via Ollama.
Production-ready boilerplate with Clean Architecture, CQRS, TypeORM, and PostgreSQL. Supports monolith, multi-tenant, and microservices patterns with comprehensive documentation.
Service responsible for notarizing documents using the Algorand blockchain. Built with NestJS and TypeScript for cryptographic document verification and immutable record keeping.
Complete framework for AI-assisted Spec-Driven Development. Includes templates, session management, architecture validation scripts, and agent rules for controlled AI code generation.
REST API with database-per-tenant isolation using NestJS, MongoDB, and CQRS. Features connection pooling, tenant middleware, and complete data separation between tenants.
Implementation of microservices with NestJS and RabbitMQ, utilizing the microservices architecture for user and transaction management.
Dedicated users microservice built with NestJS and RabbitMQ for distributed user management, authentication, and event-based communication.
API Gateway implementation with NestJS that routes requests to microservices via RabbitMQ message broker, providing a unified entry point for the distributed system.
A human being thinks and behaves as such following a logical sequence of actions. This same association could be coupled as far a...
In computer science and mathematics, a sorting algorithm is an algorithm that puts elements of a list in a sequence given by an...
An artificial neural network is a massively parallel distributed processor that has a natural tendency to store experiential...
I'm always open to discussing new opportunities, interesting projects, or just having a friendly conversation about technology. Feel free to reach out!
andres30xed@gmail.com
Location
Perú
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