Alberto Llanos

Experience

4+ years building secure, high-performance backends with Python/Django, serverless architectures on AWS and modern APIs.

Professional Experience

  1. Nivelics

    Backend Developer

    Full-time

    Built and maintained a CRM system using Django with DDD architecture patterns.

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    Built and maintained a CRM system using Django
    •
    Implemented DDD architecture patterns within the CRM system
    •
    Maintained modular Django applications
    •
    Integrated with blob storage and Azure DevOps
    Django DDD Azure DevOps Blob Storage PostgreSQL

  2. Sofka Technologies

    Developer Consultant

    Consulting

    Migrated Java on-premise services to AWS serverless architecture and developed Django applications.

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    Cost reduction −30% ↘ 30%
    •
    Migrated Java on-premise services to AWS (Lambda, API Gateway)
    •
    Implemented serverless architectures to improve scalability and efficiency
    •
    Developed Django applications for encrypted service testing
    •
    Collaborated with multidisciplinary teams under agile methodologies
    AWS Lambda API Gateway Django Java PostgreSQL

  3. Darient Technology

    Software Developer

    Full-time

    Built and maintained microservices with Django on Linux environments with performance optimizations.

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    Built and maintained microservices with Django on Linux environments
    •
    Optimized services, improving performance significantly ↗ significant
    •
    Implemented secure development practices in production environments
    Django Linux Microservices PostgreSQL Docker

  4. BTI Rebus Technology

    Backend Developer

    Full-time

    Developed and maintained microservices with Python (Django, DRF) deployed on AWS.

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    Developed and maintained microservices with Python (Django, DRF) deployed on AWS
    •
    Designed scalable and maintainable solutions in agile environments
    •
    Integrated frontend applications using Next.js and React.js
    Django DRF AWS Next.js React

  5. Sol4IT

    Oracle Netsuite Consultant

    Consulting

    Developed backend services with JavaScript and SuiteScript in agile environments.

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    Developed backend services with JavaScript and SuiteScript
    •
    Participated in agile teams with Kanban methodology
    JavaScript SuiteScript Oracle NetSuite Kanban

  6. ActioByte

    SAP Consultant

    Consulting

    Consultancy and support for SAP solutions for Colombian clients.

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    Consultancy and support for SAP solutions for Colombian clients
    •
    Customization and integration of SAP modules
    SAP ABAP FI MM CO PM

Freelance Experience

  1. Darien Technology

    Fullstack Developer

    Freelance

    Built React applications with modern component libraries and backend API integrations.

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    Built React app using Shadcn Components
    •
    Integrated frontend with backend API with modular components
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    Provided backend support to Django web/mobile apps and built new features
    React Shadcn Django API Integration

  2. Shokworks

    Data Engineer

    Freelance

    Built ETL pipelines with Snowflake and developed vulnerability scanning systems.

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    Built ETLs with Snowflake and Snowpipe
    •
    Developed backend services in Flask and FastAPI for vulnerability scanning systems
    Snowflake Snowpipe Flask FastAPI ETL

  3. Aldea Media

    Backend Developer

    Freelance

    Developed credit settlement applications and managed AWS infrastructure.

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    Developed credit settlement applications using Python and Django
    •
    Deployed and managed AWS infrastructure
    Python Django AWS Credit Systems

  4. Busy Little Pixels

    Full-Stack Developer

    Freelance

    Developed full-stack solutions and integrated accounting software with e-commerce platforms.

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    Developed full-stack solutions with Node.js and React
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    Integrated accounting software with Shopify
    Node.js React Shopify Accounting Integration