About me
Summary
Tech Lead with 5+ years building scalable cloud systems. Specialized in AWS serverless and event-driven architectures. Currently leading a technical team at Bold (Colombian fintech). Focus on mission-critical systems, security, and developer experience.
Experience
- Tech Lead & Senior Software Engineer · Bold 01/2026 — present
- Led delivery of a critical merchant cash advance feature in 2 months with zero launch defects, designing intra-day balance reconciliation with backup recovery and optimizing database writes for closing operations.
- Lead technical direction and architectural decisions for the merchant cash advance product.
- Define technical roadmap in collaboration with product and represent engineering in cross-functional strategic discussions.
- Mentor engineers through design reviews and 1:1s, and establish coding standards and engineering best practices for the team.
- Senior Software Engineer · Bold 09/2020 — 01/2026
- Designed and led development of the credit product from scratch applying Domain-Driven Design; integrated 3 third-party services for credit scoring, KYC, and payment processing.
- Reduced regulatory reporting errors by 99% by designing a robust ETL pipeline with multi-layer data validation, ensuring compliance accuracy and reducing manual review overhead.
- Reduced recurrent production errors by 60% through systematic log analysis and root cause remediation, cutting operational alerts by 80% and improving system reliability.
- Drove 20% reduction in monthly AWS spend by profiling and right-sizing memory configurations across a large Lambda fleet, and decommissioning idle workloads in dev/staging environments.
- Led onboarding flow redesign, reducing registration time by 30% through process simplification.
- Software Engineer · SysCafe Colombia 12/2019 — 06/2020
- Backend development with C# and SQL Server; modernized legacy components and optimized database queries for improved performance.
Education
- Systems Engineering — expected December 2026 2022 — 2026
UNIR — Universidad Internacional de La Rioja
- Platzi Master Program 2020 — 2022
Platzi
- Technologist in Information Systems Analysis and Development 2018 — 2020
SENA
Skills
- Cloud & Infrastructure: AWS Lambda · AWS ECS · DynamoDB · API Gateway · CloudWatch · Athena · Step Functions · AWS CDK · Terraform
- Languages: Python (expert) · TypeScript · C# · SQL
- Architecture: Serverless · Event-Driven · Domain-Driven Design (DDD) · Microservices · CQRS
- Practices: Infrastructure as Code · CI/CD · Technical Mentoring · Design Reviews · Technical Decision Making
- Databases: DynamoDB · SQL Server · PostgreSQL
- Tools: Grafana · CloudWatch · Git · Linux
Certifications
- AWS Solutions Architect Professional — in progress · Amazon Web Services · 06/2026