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 ๐ (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"] };
๐๏ธ Technical Leadership
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Led digital platforms impacting millions of users across Europe and Central America
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Proven track record managing distributed teams in multinational settings
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Expert in Agile/CI-CD workflows and team collaboration
โก Performance & Scalability
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Achieved >99.9% system availability in production environments
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Delivered +35% performance improvements through optimization
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Reduced deployment times by ~25% via automation and microservices
๐ Modernization Specialist
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Successfully migrated ASP.NET โ .NET Core systems
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Transformed VB 6.0 legacy applications to modern stacks
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Implemented microfrontends & microservices architectures
๐ Full-Stack Versatility
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Backend: .NET Core, C#, Node.js, NestJS, GraphQL
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Frontend: React, Angular, Next.js, TypeScript
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Cloud: AWS (production), Azure, Docker, Redis, RabbitMQ
๐น Software Engineer @ The Stepstone Group (Jan 2022 - Present) | ๐ฌ๐ง United Kingdom
Digital recruitment platforms across 6 international brands serving Europe, Central America, and the Caribbean
Key Achievements:
- ๐ Architected and implemented microfrontends, microservices, and messaging queues improving scalability
- โก Reduced deployment times by ~25% through automation and CI/CD optimization
- ๐จ Enhanced UX and redesigned multiple brand interfaces, receiving positive user feedback
- ๐ Resolved critical bugs and delivered business-driven features aligned with pricing strategy
- โ๏ธ Ensured high availability and performance of services on AWS infrastructure
Tech Stack: React, .NET Core, AWS, Microservices, Message Queues, CI/CD
๐น .NET Developer @ Axxis-Systems (Jun 2020 - Dec 2021) | ๐ณ๐ฎ Nicaragua
Core insurance platforms for clients across Latin America and Europe
Key Achievements:
- ๐ Improved operational efficiency by ~15% through automation and system enhancements
- โก Enhanced platform usability and reduced load times by ~20% using ExtJS optimizations
- ๐งฎ Designed complex calculations for insurance policies handling large datasets and business rules
- ๐ ๏ธ Delivered bug fixes and business-critical features ensuring system reliability
Tech Stack: .NET, ExtJS, JavaScript, SQL Server, Insurance Domain
๐น Team Leader @ INIFOM | ๐ณ๐ฎ Nicaragua
Software solutions for all 153 municipalities across Nicaragua supporting public sector operations
Key Achievements:
- ๐ง Led implementation of Team Foundation Server (TFS) improving collaboration and code management
- ๐ Migrated legacy ASP.NET applications to .NET Core enhancing performance and security
- ๐ฅ๏ธ Managed servers and infrastructure: IIS, SQL Server, Reporting Services, TFS administration
- ๐ก๏ธ 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
๐น Software Developer @ Attorney General's Office (Mar 2014 - Apr 2017) | ๐ณ๐ฎ Nicaragua / ๐ต๐ฆ Panama
National cadastre system for 153 municipal governments
Key Achievements:
- ๐๏ธ Led development of nationwide cadastre system (SISCAT) enabling efficient territorial management
- ๐ Integrated municipal and physical cadastre systems (SISCAT + SISCAF) for centralized administration
- ๐ฐ Coordinated taxpayer data migration to financial systems improving municipal revenue collection
Tech Stack: .NET, SQL Server, GIS Systems, Government/Public Sector
๐น Web & .NET Developer @ Managua's Town Hall (Jan 2010 - Mar 2014) | ๐ณ๐ฎ Nicaragua
Strategic planning and project management systems for municipal government
Key Achievements:
- ๐ Developed Strategic Planning System using ASP MVC for centralized plan management
- ๐ Created Project Formulation System streamlining project creation and monitoring
- ๐ 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 |
|---|---|---|---|
| .NET | React | AWS | SQL Server |
| C# | TypeScript | Azure | MongoDB |
| Node.js | Angular | Docker | PostgreSQL |
| NestJS | Next.js | Redis | NoSQL |
| GraphQL | JavaScript | RabbitMQ |
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)
Production-ready microservice architecture demonstrating event-driven design
Stack: .NET Core โข RabbitMQ โข MongoDB โข Docker
Scalable backend starter following DDD and clean architecture principles
Stack: NestJS โข GraphQL โข TypeORM โข PostgreSQL
๐ฆ 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
๐ 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.
๐ป Building scalable systems โข ๐ Remote-first mindset โข โ Powered by coffee and clean code