Open to opportunities

Silvio Clecio

@silvioprog

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10+ yrs in full stack dev | React, Node.js, Python, AI, APIs.

Brazil

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What I'm looking for

I'm looking for a role where I can have real product impact, work with experienced engineers, and deepen my expertise in scalable systems, modern UIs, and AI.

I'm a Senior Software Engineer with over a decade of experience building robust backend services, intuitive frontends, and AI-integrated features. My work spans cybersecurity, e-commerce, and SaaS, where I've led development of scalable, user-first solutions using React, Node.js, Python, and SQL. I'm also passionate about improving developer experience, cross-platform tooling, and contributing to open-source, with over 10 projects under my belt.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

SecurityScorecard

Jan 2022 - Present (3 years 6 months)

Maintained and evolved full-stack components of a cybersecurity platform using React, Node.js, and PostgreSQL, delivering scalable and secure features. Developed Python-based services for image watermarking and building RESTful APIs using FastAPI and Django, improving backend capabilities and internal tooling.

React Node PostgreSQL Python fastAPI Django Next.js Cypress Playwright Confluence TypeScript JavaScript AI Docker Git AWS

Senior Full Stack Engineer

WK Technology

Apr 2021 - Jan 2022 (9 months)

Developed responsive and accessible UIs using React and Tailwind CSS, built and integrated REST APIs, and implemented browser-based speech recognition tools for enhanced interactivity. Delivered multiple outsourced projects on time and within scope, collaborating closely with clients and teams using Agile methodologies and rapid iteration cycles.

React Tailwind REST APIs Speech Recognition Agile UI UX Design Node JavaScript TypeScript

Senior Full Stack Engineer

Duall Sistemas Ltda

Mar 2013 - Apr 2021 (8 years 1 month)

Led the design and development of web applications, PWAs, and REST APIs to support order management, invoicing, and online sales workflows across multiple industries. Spearheaded DevOps initiatives, managing AWS-hosted infrastructure, setting up CI pipelines, and creating custom CLI tools in Python for backups, networking diagnostics, and file compression.

Web Applications REST APIs DevOps AWS CI CD Python Open Source Node React JavaScript TypeScript Chrome Extension development Docker Git

Education

Degrees, certifications, and relevant coursework

Universidade Norte do Paraná

Analysis and Systems Development, Analysis and Systems Development

Completed a comprehensive program focusing on the analysis and development of systems. Gained expertise in various aspects of software development and system architecture.