About Me

Professional with +6 years transforming ideas into scalable digital solutions. Expert in mobile development and robust backend architectures, leading interface implementations and improving user experience. My approach combines technical excellence with collaborative leadership, adding value both in complex project execution and in the development and mentoring of technical teams.

Cali, Valle del Cauca
Available for new projects
Diego Parra

6+ Years Experience

Experience

Technical Skills

I work with a diverse range of technologies to build robust, scalable applications

Frontend & Backend

ReactReact NativeTypeScriptPythonDjangoNext.js

AI & APIs

RAGMCP ServersA2A ProtocolLangChainEmbeddingsOpenAIAnthropicGoogle AIVertex AI

Databases

PostgreSQLMongoDBDynamoDBRedisPinecone

Cloud & IaC

AWS (CDK, Lambda, S3, EC2)Google CloudTerraform

Methodologies

ScrumAgileTDDClean ArchitectureDevOpsCI/CDDRYSOLID

Tools

GitDockerFigmaJestGitHub Actions

Professional Experience

My journey in software development and the impact I've made

Senior Developer

SIESA

August 2022 - Present

Led development of critical modules (Payment Manager, Orders, Router) for SFA mobile application in React Native, optimizing field sales processes.

Key Achievements:

  • Completely redesigned Android/iOS user interface, improving experience for +1000 active users
  • Architected and implemented new core functionalities for enterprise CRM, increasing operational efficiency
  • Developed marketing automation solution integrating Meta Business API and AWS services
  • Optimized development environment implementing DevContainers with Docker, reducing onboarding time by 70%

DevOps Engineer

Spartan Hill

August 2021 - July 2022

Designed and implemented CI/CD pipelines with GitHub Actions, automating deployments and reducing production errors.

Key Achievements:

  • Developed scalable microservices (Node.js, TypeScript, Docker) for smart contract and REST API integration
  • Architected serverless infrastructure using AWS CDK, reducing operational costs by 40%
  • Created native POS application for Sunmi Android devices, enabling cryptocurrency payments for merchants

System Manager

Serviexito

2019 - 2021

Developed custom CRM in Django for comprehensive client and fleet management, improving operational tracking by 80%.

Key Achievements:

  • Led evaluation and implementation of ERP system, selecting Siigo for its optimal cost-benefit ratio and native electronic invoicing integration
  • Designed and deployed multiple corporate websites, executing annual redesigns that increased organic traffic by 60%
  • Implemented Google Places API integration, automating location management and improving local business visibility
  • Developed VBA macro suite for accounting automation in Excel, reducing financial reporting processing time by 75%

Methodologies & Tools

Continuous learning and professional development

Scrum & Agile Methodologies

Professional Experience

2024

Test Driven Development (TDD)

Clean Architecture

2023

Git & GitHub Actions

DevOps Tools

2022