Backend Engineer & Technical Leader
Specialized in scalable systems architecture and technical leadership
8+
Years of experience
25+
Projects led
40%
Performance improvement
98%
Platform uptime
Expertise
Over 8 years designing and building backend systems that support thousands of concurrent users, with focus on scalability, performance and code quality.
Systems Architecture
- •Design of modular and decoupled systems
- •Architectures supporting +15K concurrent users
- •Performance optimization (p99 <180ms)
- •Distributed systems and microservices
Backend Development
- •NestJS, Node.js, TypeScript
- •RESTful and GraphQL APIs
- •SQL query optimization
- •Strategic caching with Redis
- •Service integration and webhooks
Infrastructure & DevOps
- •AWS (EC2, S3, CloudFront, ECR, EB)
- •Automated CI/CD pipelines
- •Docker and containerization
- •Monitoring and observability
- •Database management (PostgreSQL, MySQL)
Technical Leadership
- •Leading teams of 5+ developers
- •Establishing code standards
- •Code reviews and mentoring
- •Technical architecture and decision making
- •Continuous process improvement
Experience
Fersa Technologies
Technical Leader / Full Stack Developer
- •Led 25+ projects for government, retail, education and manufacturing sectors
- •Designed modular architectures in NestJS with +15,000 concurrent users
- •Implemented CI/CD pipelines reducing delivery times by 40%
- •Managed teams of 5+ developers applying Scrum and SOLID principles
Web Point
Full Stack PHP Developer
- •Enterprise systems development in CakePHP 3/4
- •AWS integration (S3, SES, EC2) for cloud solutions
- •REST API implementation for payments with Conekta and WebHooks
Inowebs
.NET Developer
- •CFDI 3.2 to 3.3 migration with corporate clients
- •Tax error reduction of more than 30%
- •SOAP/REST API development for invoicing and validation
Technologies
Backend
NestJSCakePHP 3/4Node.jsPython.NETLaravel
Cloud / DevOps
AWSDockerCI/CDCodePipelineECREBS3CloudFront
Databases
PostgreSQLMySQLSQL ServerPrismaRedis
AI / Automation
YOLOOpenCVPyTorchSeleniumOCRComputer Vision
Measurable Results
- •Gamified educational architecture with p99 <180ms for +15,000 users
- •OCR pipeline with >35% error reduction, processing <2 seconds
- •Process optimization reducing delivery times by 40%
- •Production platform uptime: 98%