WS

Wilson Sousa Junior

Available to hire

Hi, I'm Wilson Sousa Junior, a Software Engineer focused on Big Data and AI-driven platforms.

About

Hi, I’m Wilson Sousa Junior, a Software Engineer focused on Big Data and AI-driven platforms. I design scalable data pipelines and hybrid infrastructures, turning raw data into actionable insights while reducing manual workloads through automation.

I’m skilled at building high-throughput ETL pipelines, optimizing hybrid infra (Bare Metal/VPS), and deploying ML solutions to production. I’m proficient in Python (Django/FastAPI), ClickHouse, PostgreSQL, and cloud engineering, with a track record of transforming multi-terabyte datasets into actionable insights while cutting manual operational loads through automation.

  • 3 years' experience
  • Joined February 2026

Languages

  • PortugueseFluent
  • EnglishAdvanced

Industry experience

  • Software & Internet

More experts in Brasilia, Brazil

Work experience

Software Engineer (Backend & Integrations) · CJR (Tech Consultancy)Jan 2024 – Dec 2025 · 2 yrs

Developed and deployed scalable back-end services for 3 external clients using Nest.js and Python, integrating with Stripe API for secure payment processing. Engineered RESTful APIs to centralize data flow between mobile applications (Kotlin) and web dashboards, optimizing data retrieval speeds. Implemented microservices patterns to decouple monolithic features, improving system maintainability and deployment velocity.

Software Engineer (AI & EdTech) · The Natural Language Institute (Natural Fluency)Dec 2023 – Sep 2024 · 10 mos

Engineered high-impact features for a Conversational AI platform, integrating LLM APIs with Python (Django) to drive a 20% increase in user engagement. Optimized internal administrative systems, achieving a 35% reduction in task execution time for the operations team. Orchestrated a critical legacy codebase refactor and introduced TDD (PyTest) coverage, resulting in a 70% reduction in production incidents.

IT Intern (Automation & Support) · SERPRO (Federal Data Processing Service)Apr 2021 – Jul 2022 · 1 yr 4 mos

Developed Python and Shell scripts to automate routine server maintenance (backups, provisioning), saving the team 6 hours/week. Provided technical support for hardware and software in infrastructure, maintaining operational continuity for government systems.

Education

Bachelor of Science in Computer Engineering · Universidade de Brasília (UnB)2030 – 2026

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