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Klisman Gomes Barbosa Da SilvaKG

Klisman Gomes Barbosa Da Silva

AI Driven Fullstack Developer | Frontend

€172/day
São Paulo, BR
3-7 years
React.js
Node.js
JavaScript
AI Automation
Communication

Average response time: 1 hour

About Klisman

Whoever you are, welcome! I can deliver the best results with a great experience, ensuring you not only get what you need but also understand how I transform your ideas into scalable systems. Five years of working directly with clients have given me the ability to easily capture requirements and know exactly what must be done. The extensive portfolio of end-to-end websites and systems I have built is the best proof of my abilities.

By leveraging advanced AI workflows, I saw a powerful opportunity to maximize code quality and delivery speed, opening my eyes to the incredible possibilities of AI-driven development.

So, let's connect and achieve that great feeling of accomplishment!
Software Publishing
Digital and IT Services
Education Companies
Film and audiovisual (AV)
Public Sector

  • Portuguese

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Web Solution and Improvement
    Fullstack / Web Developer
    DIGITAL AND IT
    October 2021 - Today (4 years and 8 months)
    São Paulo, Brazil
    • End-to-End Application Development: Responsible for the complete lifecycle of
    custom web systems, from requirements gathering and system architecture to
    frontend development and final cloud deployment.
    • Modern Frontend Engineering: Developed highly responsive and dynamic
    single-page applications (SPAs) using React, JavaScript, and TypeScript,
    ensuring cross-browser compatibility and optimized user experiences.
    • Robust Backend & API Testing: Built secure backends using Node.js, creating
    structured CRUD systems and performing thorough integration testing with
    Insomnia to ensure API reliability.
    • Multi-Database Management: Modeled and integrated applications with
    diverse database solutions including PostgreSQL, MySQL, SQLite, and
    MongoDB, optimizing indexing and data queries.
    • Cloud Deployment & DevOps: Managed infrastructure and application hosting
    using modern platforms like Render and managed cloud databases via Aiven,
    ensuring high availability.
    • AI-Driven Workflow: Spearheaded the internal adoption of AI-assisted
    engineering (using tools like Codex and Lovable), increasing feature delivery
    speed and code accuracy while maintaining strict architectural standards.
    JavaScript Node.js React.js SQL Typescript
  • Klisman TI Solution
    Database & Backend Specialist
    DIGITAL AND IT
    August 2022 - October 2024 (2 years and 2 months)
    São Paulo, Brazil
    Hybrid Database Architecture: Designed and optimized data models across relational databases (PostgreSQL, MySQL) and NoSQL solutions (MongoDB), implementing efficient aggregation pipelines, complex indices, and advanced server-side routines (Stored Procedures, Triggers, Views) to guarantee data integrity and low-latency queries.

    Modern Data Stack & Analytics Engineering: Engineered analytical data pipelines by orchestrating workflows within Databricks and Snowflake, transforming raw unstructured data into structured dimensional schemas optimized for Business Intelligence and advanced analytics teams.

    Backend Automation & High-Performance Scripts: Developed robust Python backend scripts utilizing Pandas and asynchronous libraries to automate large-scale data cleaning, ETL/ELT processes, and schema migrations, ensuring data readiness for production.

    Robust API Integration & Scalability: Built scalable third-party API integration architectures (consuming geolocation, weather, and email services) handling secure authentication, error catching, and rate-limiting, closely collaborating with system engineers to support high-throughput traffic.
    AI Automation Machine learning Google cloud SQL Web analytics
  • Lic Idiomas
    English and Spanish Instructor
    EDUCATION AND E-LEARNING
    February 2017 - Today (9 years and 4 months)
    São Paulo, Brazil
    Applied advanced interpersonal communication to translate technical software workflows into clear, stakeholder-friendly documentation. Leveraged bilingual fluency to translate and localize technical content, project requirements, and systems documentation between English, Spanish, and Portuguese, ensuring seamless alignment among global cross-functional teams.
    Communication Spanish English Translation English Spanish

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Education

  • Bachelor of Science
    Brigham Young University (BYU)
    2026
    Bachelor of Science
  • Worldwide Certificate, Introduction to Web Development
    BYU-Pathway
    2025
    Worldwide Certificate, Introduction to Web Development

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