Cloud Backend Software Engineer
Resume:
Josue Montalbán
Software Engineer
México, México (GMT-6)
**********@*****.***
https://github.com/Josue170r
https://www.linkedin.com/in/josue-montalban
Software Engineer with over 3 years of experience in software development, specialized in backend technologies and AWS cloud infrastructure. Proficient in infrastructure as code, CI/CD, REST API integration, and serverless and microservices architectures. Skilled in relational and non-relational databases, unit testing, and agile methodologies. I design scalable, well-structured, and maintainable solutions, with a strong focus on continuously learning new technologies. EDUCATION
2021 -2025
Escuela superior de cómputo (ESCOM–IPN) – B.S. in Computer Systems Engineering SKILLS
Software
Development
Python, Django REST Framework, Celery, Java, Spring Boot, C#, .NET, TypeScript, JavaScript, Node.js, React, Vue.js, Dart, Flutter, RabbitMQ DBMS PostgreSQL, MySQL, SQL Server, DynamoDB, MongoDB, Redis AWS EC2, S3, Lambda, EKS, ECS, ECR, RDS, Aurora, DynamoDB, Load Balancers, VPC, Transit Gateway, Direct Connect, PrivateLink, IAM, Secrets Manager, KMS, CloudWatch, EventBridge, Systems Manager, Athena, ElastiCache, AmazonMQ, DataSync
DevOps & IaC Docker, Kubernetes, Terraform, Terragrunt, Ansible, Git, GitHub Actions, GitLab, CodeCommit
PROFESSIONAL EXPERIENCE
Altán Redes 2025- Present
Altán Redes - Mexican telecommunications company providing wholesale mobile telephony and home/business internet services, as well as nationwide communication solutions. Cloud Engineer (December 2025 – Present)
● Developed and maintained reusable Terraform and Terragrunt modules for infrastructure provisioning across multiple AWS environments and regions, reducing deployment times and standardizing operations.
● Provisioned and managed infrastructure across multiple AWS services via Terraform, using Ansible to configure EC2 instances.
● Configured CI/CD pipelines in GitLab and managed IAM roles and policies for OIDC authentication between GitLab and AWS.
● Established and maintained connectivity between VPCs and on-premise services through AWS network routing.
● Administered and maintained EKS clusters, managing node lifecycle and ensuring service availability in production environments.
● Developed automation solutions using Python and Bash scripts to streamline recurring operational tasks, reduce manual effort, and improve process reliability.
● Designed, created, and maintained relational and non-relational databases using DynamoDB and RDS, ensuring availability and performance.
● Led the migration of infrastructure from the us-east-1 to the mx-central-1 region.
● Designed and implemented an SMS messaging service on ECS, using Jasmin to handle the SMPP protocol, enabling customers to check their balance and perform account actions via SMS. F&G Solutions 2023- 2025
F&G Solutions - Mexican software development company specializing in software solutions for the financial, healthcare, and e-commerce industries.
Full Stack Developer (January 2024 – July 2025)
● Developed multiple features and improvements for CohuaShop, F&G Solutions' SaaS e-commerce platform, including Stripe payment gateway integration with webhook based automated transaction processing, shopping cart enhancements, inventory issue resolution, and admin reporting, serving over 1,000 active users.
● Implemented a recruitment system using Django (Python) and Vue.js, deployed on AWS with Docker containers, managing over 2,000 applicants.
● Developed a Spring Boot microservice with an automated approval workflow for an employee vacation management application, using RabbitMQ for asynchronous communication with other microservices, including unit testing.
● Built .NET backend services for a motorcycle insurance policy management and issuance platform, including unit testing and native Google Maps SDK integration for geolocation.
● Built backend services and APIs using Django for an appointment scheduling system connecting clients with nutrition specialists, using Celery with Redis to handle asynchronous and scheduled tasks processing 500+ monthly appointments.
● Developed RESTful APIs and backend services with Django for an employee attendance management system, handling data persistence and business logic for over 200 internal employees, deployed on AWS with Docker containers.
● Designed and implemented the Django backend and data layer for a restaurant point-of-sale system, managing orders, transactions, and inventory, hosted on AWS infrastructure. Frontend Developer (April 2023 – January 2024)
● Built a responsive web platform for managing advertising campaigns for ClearChannel.
● Developed a web platform for comprehensive employee management and financing services for Más con Menos.
● Built a web system for managing and tracking employee training courses at F&G Solutions.
● Developed a specialized system for tracking and managing internal employee attendance at F&G Solutions.
PROJECTS
● Built an e-commerce platform for electronics in .NET with a serverless architecture deployed on Azure Functions.
● Developed a .NET microservice based on the Ant Colony Optimization (ACO) algorithm for automatically generating personalized travel itineraries, optimizing tourist routes based on environmental sustainability criteria.
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