Rodrigo Jiménez

Senior Software Engineer | Platform Engineer

Professional Summary

Senior Full-Stack Engineer with 10+ years of experience specializing in the .NET ecosystem and building scalable, cloud-native applications. Proven expertise in migrating legacy systems to modern microservices architectures and optimizing database performance for high-traffic environments.

Additional expertise in platform engineering and infrastructure: Designed and maintain production Kubernetes clusters with full GitOps workflows, observability stacks, and disaster recovery strategies. Experienced in building custom tooling and managing containerized workloads at scale.

Passionate about clean code, design patterns, infrastructure as code, and delivering robust software solutions from application layer to infrastructure.

Technical Skills

Category	Technologies
Languages	C#, JavaScript, TypeScript, SQL, PHP, YAML
Frameworks	.NET (Framework, Core, MVC), Node.js, ASP.NET Core
Cloud & DevOps	AWS Lambda, Kubernetes (K3s), Docker, Podman, ArgoCD, GitOps
Infrastructure	Longhorn, MinIO, Prometheus, Grafana, Loki, Velero, Cloudflare
Databases	PostgreSQL, Oracle, Microsoft SQL Server
Frontend	Angular, Knockout.js, Razor Pages, jQuery, HTML5, CSS3, WPF
Practices	OOP, Functional Programming, Design Patterns, TDD, IaC, SRE

Professional Experience

UL

Lead Software Engineer | Sept 2025 - Present

Coordinate team to maintain and improve a Retailer Product Suite system
Technologies: azure, devops, dotnet, sql server

Brierley Customer Loyalty Solutions & Consulting

Senior Software Developer | Jan 2021 - Sept 2025

Engineered and maintained a promotions and rewards engine for major retail clients, processing millions of transactions and ensuring high availability.
Developed and deployed serverless AWS Lambda functions using Node.js to automate customer communications (SMS/Email), significantly reducing manual overhead.
Authored complex Oracle SQL queries and stored procedures to analyze transactional data, directly supporting the accurate execution of loyalty campaigns.
Technologies: .NET, Node.js, AWS Lambda, Oracle

UL WERCSmart Portal

Software Developer | Sep 2015 - Dec 2020

Led the development of a critical data entry and management application for the chemical industry, enabling the secure sharing of regulatory information.
Architected the front-end using Knockout.js and TypeScript, creating a responsive and intuitive user interface for complex data manipulation.
Implemented robust XML/XSLT transformations to ensure seamless data interchange between disparate systems.
Technologies: .NET MVC, TypeScript, Knockout.js, XML/XSLT, Oracle, SQL

The Wercs Ltd. - WERCSmart

Software Developer | May 2010 - Sep 2015

Developed and scaled a compliance software suite for the chemical industry, used by global clients to manage regulatory data.
Built and consumed RESTful web services to integrate with third-party systems, enhancing data flow and interoperability.
Played a key role in the internationalization of the main software product, contributing to its successful deployment in over 50 languages.
Technologies: .NET, JavaScript, Knockout.js, jQuery, MS SQL, Oracle

Quantuvis Consulting

Software Developer | Jun 2009 – May 2010

Successfully executed a full migration of the company’s flagship platform from a legacy Java system to a modern .NET MVC 1.0 architecture.
Developed a cross-browser compatible web application with advanced data visualization features, enabling clients to perform competitive analysis.
Technologies: .NET MVC, Java, jQuery, SQL

GMO LLC - Investment and Assets Management

Software Developer | Jul 2008 – Jun 2009

Built high-performance UI components for a WPF desktop application used in real-time investment management.
Designed and implemented a multithreaded architecture to handle real-time data streams from WCF services, ensuring high accuracy for critical financial transactions.
Technologies: .NET, WCF, WPF, SQL

Infrastructure & Platform Engineering Experience

Self-Managed Production Infrastructure

Platform Engineer / Infrastructure Architect | 2019 - Present

Designed, built, and maintain a production-grade Kubernetes infrastructure supporting real business operations, demonstrating hands-on expertise in platform engineering, GitOps, and site reliability practices.

Key Achievements:

Platform Architecture & Orchestration

Architected and deployed a 3-node Kubernetes (K3s) cluster on ARM64 hardware, managing 17 concurrent production applications with high availability
Implemented full GitOps workflow using ArgoCD with App of Apps pattern, enabling declarative infrastructure management and automated deployments
Designed multi-tenant architecture with proper namespace isolation, RBAC, and resource quotas

Custom Application Development

Built PDFeitor, a containerized web application in C#/.NET Core for automated PDF layout generation, processing bulk image uploads
Developed production point-of-sale (POS) system using .NET Core, Razor Pages, and Knockout.js, serving real retail operations
Created custom tooling for business-specific workflows, demonstrating full-stack + infrastructure capabilities

Observability & Monitoring

Implemented complete observability stack with Prometheus, Grafana, and Loki for metrics, visualization, and log aggregation
Configured Promtail DaemonSets for centralized logging across all nodes and applications
Built custom dashboards for application performance monitoring, resource utilization, and business metrics using Apache Superset

Storage & Data Management

Deployed Longhorn for distributed block storage with automated replication across cluster nodes
Configured MinIO object storage for handling application assets (product images, documents)
Managed PostgreSQL with automated backup strategies and high-availability configurations

Disaster Recovery & Business Continuity

Implemented Velero for full cluster backups with automated scheduling to S3-compatible storage (Cloudflare R2)
Configured additional database-specific backup CronJobs for critical data protection
Successfully executed disaster recovery procedures in production environment (database restoration from backup)

Security & Secrets Management

Implemented Sealed Secrets for secure storage of sensitive data in Git repositories
Configured proper RBAC policies and network segmentation between applications
Managed secrets for multiple services including database credentials, API tokens, and registry authentication

Networking & Ingress

Configured Cloudflare Tunnel for secure external access to internal services without exposing infrastructure
Implemented service mesh patterns for inter-application communication
Managed DNS, TLS certificates, and ingress routing for multiple applications

CI/CD Pipeline

Built automated CI/CD pipeline: GitHub → GitHub Actions → Container Registry → ArgoCD → Kubernetes
Configured multi-architecture container builds (ARM64) with automated versioning (semantic tags + latest)
Implemented GitOps-driven deployments with automatic sync and self-healing

Infrastructure as Code

Maintained entire infrastructure as declarative YAML manifests in Git (100+ manifest files)
Organized infrastructure in modular structure with clear separation of concerns
Practiced proper version control, code review, and rollback procedures

Key Technologies:

Container Orchestration: Kubernetes (K3s), Docker, Podman
GitOps: ArgoCD (App of Apps pattern)
Observability: Prometheus, Grafana, Loki, Promtail, Superset
Storage: Longhorn, MinIO, PostgreSQL
Backup/DR: Velero, Cloudflare R2, automated CronJobs
Security: Sealed Secrets, RBAC, network policies
Networking: Cloudflare Tunnel, Ingress controllers
CI/CD: GitHub Actions, container registries
Hardware: ARM64 (Raspberry Pi 5 + Raspberry Pi 4), physical cluster management

Demonstrated Skills:

Platform design and architecture from scratch
Production Kubernetes cluster management
GitOps best practices and implementation
Disaster recovery planning and execution
Full observability stack implementation
Multi-application orchestration at scale
Infrastructure as Code (IaC)
Site Reliability Engineering (SRE) practices
Cost-effective infrastructure optimization
Bridge between development and operations (DevOps)

Education

Universidad de Guadalajara, Jalisco, Mexico
Bachelor’s Degree in Telecommunications Engineering | 2008

Additional Information

Languages: Spanish (Native), English (Professional Working Proficiency)
Open Source: Active contributor and maintainer of personal infrastructure projects
Continuous Learning: 6+ years of hands-on experience with cloud-native technologies and platform engineering
Availability: Open to remote opportunities in Platform Engineering, DevOps, or SRE roles