
Edgar H.Carrillo
I build systems that scale from zero to millions.
Scalable Systems · Enterprise Architecture · Cloud Native · AI Automation
+15 years building scalable enterprise software. Specialized in Angular, Node.js, Java and cloud-native architectures with focus on microservices, complex integrations and AI-assisted development.
Building systems that scale
Senior Full-Stack Engineer & Technical Lead with over 15 years of experience in the design, architecture, and implementation of high-availability enterprise platforms, distributed systems, and IoT ecosystems. Specialized in building fault-tolerant architectures, high-performance mass data processing, and Robotic Process Automation (RPA) orchestration.
Expert in robust development utilizing Java (Spring Boot), Node.js (Nest.js), modern Angular (Signals, RxJS, standalone components), and cloud-native event-driven integrations with Apache Kafka on AWS.
I integrate AI-Assisted Engineering methodologies (Claude Code, OpenAI APIs) to maximize technical productivity, optimize enterprise system performance, and support corporate technology modernization processes.
15+ years · Retail · Telecom · Enterprise · AI-assisted development
Career Path
Featured Courses
+29+29 courses and certifications completed
Work Experience
Over 15 years building enterprise systems across multiple industries and countries.
Professional Experience
Full-time formal employment, in chronological order.
Responsibilities
- Leading the integration of enterprise corporate platforms using MuleSoft and multi-cloud architectures (AWS, GCP, Azure).
- Design and implementation of high-availability solutions and asynchronous backend processing, optimizing microservices and serverless flows.
- Development of modern frontend architectures using advanced Angular, ensuring modularity, reactivity, and high performance.
- Integration of AI-assisted engineering workflows (Claude Code, OpenAI APIs) for delivery optimization and static code analysis.
Achievements
- Design of enterprise solutions focused on high-volume integrations and real-time transactional processing.
- Optimization of performance and structural stability in critical frontend and backend applications.
- Advanced automation of complex operational tasks through decoupled cloud services.
Freelance Projects
Independent projects delivered in parallel as a contractor.
Technical Skills
Broad expertise across the full development chain: from modern interfaces to distributed cloud architectures.
Frontend
15 yrsBackend
12 yrsCloud & DevOps
12 yrsDatabases
12 yrsIntegrations & Automation
8 yrsMonitoring & Testing
12 yrsAI & Modern Tools
2 yrsYears of hands-on production experience per technology — verifiable through the work history below.
Business Domains
Applied experience across multiple sectors, from telecom and retail to cloud platforms and AI automation.
Retail & Enterprise Systems
Telecommunications & CRM/Billing
Process Automation (RPA)
Government Systems
High-Volume Distributed Integrations
Cloud-Native Platforms
Event-Driven Architectures
Massive Asynchronous Processing (Batch)
AI-assisted engineering workflows
Telemetry & IoT Ecosystems
Multi-tenant & Realtime Platforms
Portfolio
Freelance project case studies — full-stack architectures, enterprise systems and data processing. More on github.com/issedgar
Medox — Marketplace, Analytics & Batch
Analytics engine "Adecra" with a rolling time window, weighting calculations and monthly growth indexes on executive dashboards, plus high-volume multi-country catalog ingestion (MX, ES, AR) with structural validation and batch processing.
Workia / HCWork — Enterprise Payroll & Audit Logs
Fault-tolerant mass payroll engine with document persistence on AWS S3, real-time state synchronization (WebSockets) and audit-log streaming via Apache Kafka. Includes a parametric corporate incentive engine.
Lumations — Parking & Loyalty Backend
End-to-end backend for automated parking management and billing, plus a loyalty ecosystem with a self-service portal, real-time points synchronization, a back-office with a dynamic form/survey builder, and JWT-secured APIs.
Vikkon — IoT Telemetry Platform
Web/mobile platform for real-time industrial telemetry (temperature and power-variation sensors), with asset provisioning, secure cloud synchronization, geographic hardware traceability, and inventory modeled with Sequelize/PostgreSQL.
Have a project to scale? Let's talk.
Contact MeLet's discuss your next project
Available for senior full-stack roles, system architecture, technical consulting and enterprise or AI collaborations.
