J

Juan Romero Ortiz

About

Detail

Senior Backend / Full Stack Engineer | Python · Django · FastAPI · PHP · Laravel | React · Next.js | AWS · Microservices
Bogotá, Bogota, Colombia
Contact Juan regarding: 
work
Full-time jobs
Starting at USD4.5k/month

Timeline

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Job
school
Education

Résumé

Jobs verified_user 0% verified
  • Solventa Fintech
    Senior Backend Engineer
    Solventa Fintech
    Mar 2026 - Current (9 months)
    • Develop backend systems within the Communications area for automated WhatsApp, SMS, and email messaging.
    • Design event-driven messaging architectures using queues, workers, jobs, Redis, Laravel Horizon, streaming, bulk processing, and on-demand delivery.
    • Designed solutions for million-message scale; typical campaigns process 30K–50K messages, with recent campaigns exceeding 200K messages.
    • Develop microservices and REST APIs using Python, PHP, Laravel, CodeIgniter, JavaScript, Vue.js, and Blade.
    • Implemented streaming-based file processing to avoid loading large files entirely into memory, improving resource efficiency.
    • Optimized queries, connections, microservices, and backend processes to reduce latency a
  • I
    Senior Full Stack / Backend Engineer
    Intercol Agencia de Seguros
    Aug 2024 - Current (2 years 4 months)
    • Own the technical evolution of the company’s core CRM/ERP ecosystem, including architecture, development, integrations, automation, deployments, and production support.
    • Led the complete migration of a 20+ module enterprise CRM/ERP and its database to Django + Next.js, designing the new architecture from scratch.
    • Built quotation integrations with 14 insurance companies, combining direct APIs and an external SaaS platform while the proprietary service was being developed.
    • Designed and deployed cloud solutions using AWS EC2, Elastic Beanstalk, RDS, S3, Amplify, Redis, and Valkey.
    • Designed MySQL solutions using indexes, normalization, views, triggers, complex queries, and performance optimization.
    • Developed
  • freelance
    Full Stack Developer
    freelance
    Feb 2023 - Jul 2024 (1 year 6 months)
    • Built FastAPI microservices for custom CRMs and customer-facing platforms, exposing REST APIs integrated with React frontends and payment gateways (PayU, Stripe, Mercado Pago).
    • Developed customized CRM platforms, e-commerce systems, REST APIs, and scalable web applications.
    • Implemented payment gateway integrations with PayU, Stripe, and Mercado Pago for e-commerce systems.
    • Built applications with Django REST Framework and React and deployed solutions on AWS using EC2, S3, RDS, and Elastic Beanstalk.
    • Managed the software lifecycle from analysis and design through development, testing, and deployment.
Education verified_user 0% verified
  • NA
    Continuous Training in Software Development
    NA
    Jan 2019 - Current (7 years 11 months)
    Software architecture and design patterns, backend development, relational databases and SQL optimization, cloud computing (AWS), agile methodologies, Laravel, Django, React, and Next.js.