Open to opportunities

Melvin Juárez

@melvinjuarez

Message

I build scalable cloud-native backend systems for fintech, insurance, and SaaS.

Guatemala

Message

What I'm looking for

I'm looking to own scalable cloud-native backend systems, lead technical planning and architecture, and collaborate in an async, remote-first environment that values strong engineering practices and continuous improvement.

At Intune Analytics, I own and evolve a serverless AWS backend, migrate critical Lambda functions to always-on containerized services, and build Claude-powered internal tooling that reduces recurring operational overhead.

Previously at SoyFri, I engineered Go microservices for an electronic wallet processing thousands of daily transactions. I drove service decomposition and scalability decisions, standardized Go practices and code reviews, and introduced testing for critical payment flows.

Across Seguros G&T, Ferry, and Cari.net, I’ve led backend architecture, delivered Kafka-driven systems, managed Kubernetes environments, and built SaaS and financial integrations. I’m comfortable owning systems end-to-end in async, remote-first teams.

Experience

Work history, roles, and key accomplishments

Current

Backend Engineer

Current

Intune Analytics

Aug 2024 - Present (2 years)

Owned and evolved a serverless backend on AWS, integrating third-party services and internal APIs. Led migration of critical Lambda functions to containerized services, reducing cold-start latency, and built AI-powered internal tooling using Claude agents.

Python fastAPI AWS Lambda API Gateway DynamoDB S3 Terragrunt GitHub Actions

Backend Engineer II

SoyFri SA

Jan 2023 - Apr 2026 (3 years 3 months)

Engineered and maintained Go microservices on AWS ECS/ECR for an electronic wallet platform processing thousands of daily transactions. Drove architecture decisions on service decomposition and scalability, and introduced unit testing on critical payment flows.

Go MySQL Python AWS ECS ECR Docker Jenkins GitHub

Software Architect

Seguros G&T

May 2021 - Dec 2022 (1 year 7 months)

Led backend architecture for a team of 4 engineers, establishing coding standards and design patterns. Implemented Kafka-based event queues and deployed Kubernetes infrastructure with canary deployments, redesigning microservice APIs using SOLID and DDD.

Java Spring Boot Kafka Liquibase Python Docker Kubernetes MySQL AWS Jenkins Gitlab

Senior Software Engineer

Seguros G&T

May 2020 - Apr 2021 (11 months)

Designed and built a high-volume insurance policy issuance service processing thousands of records in batch. Executed database migrations via ETL pipelines and refactored legacy stored procedures to reduce query execution time.

Java Spring Boot Docker MySQL Oracle Kubernetes Python Gitlab

Software Developer

Cari.net

May 2017 - Apr 2020 (2 years 11 months)

Developed and maintained a multi-tenant SaaS platform for educational institutions. Built a financial module integrating with national banking institutions via SOAP and REST APIs, and designed Python ETL scripts to normalize financial reports.

Python Django CakePHP Laravel Angular MySQL REST SOAP

Tech Lead

Ferry SA

Sep 2019 - Oct 2019 (1 month)

Led a cross-functional team of Python and Flutter developers in the design and delivery of a mobile-first product. Designed and implemented a Hexagonal Architecture in Python on GCP and documented the Django REST API.

Python Django Flutter MySQL GCP Azure DevOps