Senior Full-Stack Engineer with 15+ years of proven experience modernizing legacy systems and building scalable solutions for multinational companies. Specialized in delivering high-availability systems (>99.9%) and driving significant performance improvements (+35%) in mission-critical applications.
const juanProfile = {
currentRole: "Software Engineer @ The Stepstone Group",
location: "Nicaragua 🌎 (Remote-first)",
expertise: ["Legacy Modernization", "Full-Stack Architecture", "Cloud Infrastructure"],
impact: {
availability: ">99.9%",
performanceGains: "+35%",
deploymentReduction: "~25%",
reachScale: "Millions of users across 6 international brands"
},
openTo: ["Senior/Staff Engineer roles", "Remote opportunities", "Technical Leadership"]
};|
🏗️ Technical Leadership
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⚡ Performance & Scalability
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🔄 Modernization Specialist
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🌐 Full-Stack Versatility
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🔹 Software Engineer @ The Stepstone Group (Jan 2022 - Present) | 🇬🇧 United Kingdom
Digital recruitment platforms across 6 international brands serving Europe, Central America, and the Caribbean
Key Achievements:
- 🚀 Architected and implemented microfrontends, microservices, and messaging queues improving scalability
- ⚡ Reduced deployment times by ~25% through automation and CI/CD optimization
- 🎨 Enhanced UX and redesigned multiple brand interfaces, receiving positive user feedback
- 🐛 Resolved critical bugs and delivered business-driven features aligned with pricing strategy
- ☁️ Ensured high availability and performance of services on AWS infrastructure
Tech Stack: React, .NET Core, AWS, Microservices, Message Queues, CI/CD
🔹 .NET Developer @ Axxis-Systems (Jun 2020 - Dec 2021) | 🇳🇮 Nicaragua
Core insurance platforms for clients across Latin America and Europe
Key Achievements:
- 📈 Improved operational efficiency by ~15% through automation and system enhancements
- ⚡ Enhanced platform usability and reduced load times by ~20% using ExtJS optimizations
- 🧮 Designed complex calculations for insurance policies handling large datasets and business rules
- 🛠️ Delivered bug fixes and business-critical features ensuring system reliability
Tech Stack: .NET, ExtJS, JavaScript, SQL Server, Insurance Domain
🔹 Team Leader @ INIFOM | 🇳🇮 Nicaragua
Software solutions for all 153 municipalities across Nicaragua supporting public sector operations
Key Achievements:
- 🔧 Led implementation of Team Foundation Server (TFS) improving collaboration and code management
- 🚀 Migrated legacy ASP.NET applications to .NET Core enhancing performance and security
- 🖥️ Managed servers and infrastructure: IIS, SQL Server, Reporting Services, TFS administration
- 🛡️ Provided ongoing support for VB 6.0 legacy systems ensuring business continuity
Tech Stack: .NET Core, ASP.NET, VB 6.0, SQL Server, TFS, IIS
🔹 Software Developer @ Attorney General's Office (Mar 2014 - Apr 2017) | 🇳🇮 Nicaragua / 🇵🇦 Panama
National cadastre system for 153 municipal governments
Key Achievements:
- 🏛️ Led development of nationwide cadastre system (SISCAT) enabling efficient territorial management
- 🔗 Integrated municipal and physical cadastre systems (SISCAT + SISCAF) for centralized administration
- 💰 Coordinated taxpayer data migration to financial systems improving municipal revenue collection
Tech Stack: .NET, SQL Server, GIS Systems, Government/Public Sector
🔹 Web & .NET Developer @ Managua's Town Hall (Jan 2010 - Mar 2014) | 🇳🇮 Nicaragua
Strategic planning and project management systems for municipal government
Key Achievements:
- 📋 Developed Strategic Planning System using ASP MVC for centralized plan management
- 🚀 Created Project Formulation System streamlining project creation and monitoring
- 🔄 Migrated desktop application to web-based platform enhancing accessibility and collaboration
Tech Stack: ASP.NET MVC, C#, SQL Server, Web Development
| Backend | Frontend | Cloud & DevOps | Databases |
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graph LR
A[Frontend] --> B[React/Angular/Next.js]
A --> C[TypeScript/JavaScript]
D[Backend] --> E[.NET Core/C#]
D --> F[Node.js/NestJS]
G[Cloud] --> H[AWS Services]
G --> I[Azure/Docker]
J[Data] --> K[SQL/NoSQL]
J --> L[Redis/RabbitMQ]
- Software Architecture: Microservices, Microfrontends, Event-Driven Design, DDD
- Methodologies: Agile/Scrum, CI/CD, TDD, Clean Architecture
- Leadership: Technical Lead, Team Management, Cross-functional Collaboration
- Languages: Spanish (Native), English (B1)
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Production-ready microservice architecture demonstrating event-driven design Stack: .NET Core • RabbitMQ • MongoDB • Docker 
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Scalable backend starter following DDD and clean architecture principles Stack: NestJS • GraphQL • TypeORM • PostgreSQL 
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Advanced React patterns: Compound Components, Control Props, Extensible Styles Stack: React • TypeScript • Advanced Patterns 
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Modular REST API with authentication, security, and best practices Stack: Node.js • Express • JWT • MongoDB 
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📦 View More Projects
- Covid-19 Cases Tracker - Real-time pandemic dashboard with Chart.js and REST API integration
- ReactJS Fundamentals - Core React concepts with practical examples and best practices
🎓 Bachelor's Degree in Software Engineering
Central American University (UCA), Nicaragua | 2007 - 2011
I'm open to discussing Senior/Staff Engineer roles, technical leadership opportunities, and remote positions where I can drive impact through modern architectures and proven engineering practices.
💻 Building scalable systems • 🌍 Remote-first mindset • ☕ Powered by coffee and clean code