Sergio Venguiarrutti

Backend Engineer

Summary

Software Engineer with 5+ years of experience building backend systems and document pipelines on AWS. Specialized in ETL processing, transactional email delivery, PDF generation engines, and API development using Python and AWS serverless architecture. Hands-on architect of production systems processing thousands of jobs daily. Currently expanding into Go and systems-level programming.

Skills

Languages

  • Python
  • Bash
  • JavaScript
  • Go (learning)

Cloud & AWS

  • Lambda
  • API Gateway
  • S3
  • SES
  • CloudFront
  • Route 53
  • EC2
  • LightSail

Backend & Data

  • ETL pipelines
  • Batch processing
  • PDF generation (Ghostscript)
  • Transactional email delivery
  • REST APIs
  • Docker

Databases

  • MongoDB
  • MySQL
  • SQLite

Tooling

  • Git
  • Docker
  • Handlebars
  • Flask

Experience

Software Engineer

Doxer SA · Jun 2021 – Present
  • Architected and led a two-module document indexing and PDF generation system with blockchain timestamping for legal document integrity.
  • Built a custom Ghostscript-based PDF rendering engine with transparency layer and image overlay support, deployed as a Dockerized AWS Lambda service behind API Gateway.
  • Reduced ETL pipeline processing time by 50%+ through upstream data filtering, eliminating unnecessary downstream load.
  • Designed and implemented an automated batch reporting system with end-to-end file processing and email notification delivery.
  • Built and deployed multiple API Gateway + Lambda services end-to-end, including infrastructure provisioning via Bash and AWS CLI.
  • Managed production AWS environment across S3, SES, Lambda, API Gateway, Route 53, CloudFront, EC2, and LightSail.
  • Served as direct technical point of contact for external clients.

Developer & Functional Analyst

CEIN SRL · Jan 2017 – Jan 2019
  • Built a document management web application using Python, Django, Bootstrap, and Google Sheets integration.
  • Gathered requirements from management, designed solutions, and decided build vs buy for internal tooling.
  • Trained end users and provided ongoing technical support.

Mechanical Design Intern

GALLARA Y CIA S.A. · Apr 2019 – Nov 2020
  • Designed mechanical devices for the construction sector.

Education

Industrial Engineering (incomplete — 4 years completed)

Universidad Tecnológica Nacional — Facultad Regional Córdoba ·

Computer Science Bachelor (incomplete — 2 years completed)

Universidad Nacional de Córdoba — FAMAF ·