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Jeff Goes

@jeffgoes

Senior Front End Developer at Ninja One, contributing to scalable React applications and AI-assisted engineering workflows.

Brazil

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At Ninja One, I contribute to scalable front-end solutions using React and TypeScript, with a focus on performance, accessibility, and reusable components. I also use and orchestrate AI agents to support implementation, debugging, and technical decision-making, with testing and human oversight.

At Softensity, I developed back-end services for a cryptocurrency API company, consuming blockchain data and serving it through REST APIs. I also created and deployed subgraphs for blockchain exchanges and contributed to front-end projects with charting technologies.

At Gympass, I worked on the Partners Portal, where gyms could manage their information and generate monthly income reports. At Ambev, I developed a B2B e-commerce website using a micro front-end architecture, and at Dextra I contributed to e-commerce and FAQ applications.

Experience

Work history, roles, and key accomplishments

Current

Senior Front End Developer

Current

Ninja One

Jan 2023 - Present (3 years 9 months)

Contributed to the architecture, design, and implementation of scalable front-end solutions using React, TypeScript, Redux, and React Query. Focused on performance, maintainability, accessibility, and reusable component design while collaborating with cross-functional teams.

React TypeScript Redux React Query Jest React Testing Library AI assisted Development AI Agents Agent orchestration API Integration Accessibility

Fullstack Developer

Dextra

Worked on an e-commerce platform for Serasa using Angular 6, and led server-side rendering for a FAQ application for Nextel/Claro, implementing a cache abstraction layer and leveraging microservices.

Angular 6 Server Side Rendering Microservices Cache Abstraction Ecommerce FAQ Development

Front End Engineer

Ambev

Developed a B2B e-commerce website for retail stores to purchase beverages, utilizing micro front-end architecture, ReactJS, Redux, SASS, Node.js, TypeScript, and server-driven UI. Created and configured multiple micro frontend projects and tested scenarios using Jest and Storybook.

React Redux SASS NodeJS TypeScript Micro Frontend Architecture Server Driven UIs Jest Storybook

Software Developer and Community Lead

Softensity

As a community lead, guided individuals in achieving their goals and followed up on career development plans. As a senior software developer, worked on back-end development for a cryptocurrency API company, including consuming blockchain data and serving data via RESTful APIs.

Blockchain REST APIs Backend Development Frontend Development Charting Community Management Mentorship Conflict Resolution

Front End Developer

Gympass

Worked on the Partners Portal application, allowing users to register gyms, manage photos, update banking information, set opening hours, and generate monthly income reports. Utilized micro front-end architecture with ReactJS, Redux, and React Hooks.

React Redux React Hooks Micro Frontend Architecture Frontend Development