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Wellington Almeida

@wellingtonalmeida

Brazil

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What I'm looking for

I enjoy roles where I can combine hands-on engineering with architecture, product thinking, technical leadership, and mentorship. I'm particularly interested in challenging products where engineering decisions have a visible impact on users and the business.

I'm a Senior Software Engineer with 10+ years of experience building web and mobile products, including 8+ years with JavaScript/TypeScript and 5+ years working remotely with U.S.-based companies and international teams. I'm a frontend-heavy full-stack engineer specializing in React, React Native, TypeScript, Node.js, and cloud-based architectures.

Most recently at Sircles, I worked on frontend and mobile engineering for a social discovery platform using React Native, React, Next.js, TypeScript, GraphQL, and REST APIs. I built experiences across onboarding, feeds, profiles, maps, animations, audio/video, and notifications. A redesigned onboarding flow increased completion by approximately 25%. I also helped establish the product's Amplitude analytics architecture, including event tracking, funnels, retention analysis, and dashboards.

Previously, as Lead Frontend Engineer at Fluent Finance, I helped transform a fintech MVP into a scalable production platform bridging traditional finance and blockchain. I led the migration from Vue.js to React and TypeScript, created a reusable design system, mentored engineers across multiple teams, and built financial experiences involving MetaMask, Web3, and a Solana-integrated backend.

At Holonic, I built the React architecture for a digital company-formation platform, including KYC, identity verification, company onboarding, and compliance workflows.

Earlier in my career, I built products across education, SaaS, communications, food discovery, and public data. At iBureau, I developed a recursive scheduling solution that reduced a legislative data-mining process from approximately 12 hours to 46 minutes.

Beyond product engineering, I've taught JavaScript and Node.js, mentored developers, supported developer communities, and spoken at technology events. I'm also pursuing postgraduate studies in Applied AI Engineering, expanding my work into LLMs, AI agents, and AI-assisted software development.

I'm looking for remote Senior Software Engineer, Frontend, Full-Stack, Product Engineer, or Lead opportunities where I can combine hands-on engineering, product thinking, and technical leadership. I'm based in Brazil, work comfortably across U.S. time zones, and have extensive experience collaborating in English with distributed teams.

Experience

Work history, roles, and key accomplishments

Senior/Specialist Frontend & Mobile Engineer

Sircles

Jul 2024 - Nov 2025 (1 year 4 months)

Led frontend and mobile engineering for a social media platform, driving architecture and technical decisions across React Native, Expo, React, Next.js, and TypeScript. Improved mobile onboarding completion by 25% and optimized UI interactions using Lottie and React Native Reanimated.

React Native Expo React Next.js TypeScript lottie React Native Reanimated Amplitude CI CD

Community Manager & Platform Developer

LSantos Dev

Sep 2023 - Feb 2025 (1 year 5 months)

Built and maintained a personalized learning platform and coding exercise system for the developer community. Managed and supported the developer community across Discord and the learning platform.

Community Management Discord Learning Platform Development

Community Manager & Software Engineering Instructor

Erick Wendel Training

Oct 2021 - Nov 2023 (2 years 1 month)

Led technical education and community initiatives for software engineers, creating advanced coding challenges and practical learning experiences. Mentored mid-level, senior, and specialist engineers.

Technical Education Mentorship Coding Challenges Software Engineering

Senior/Lead Frontend Engineer

Fluent Finance

Oct 2022 - Jul 2023 (9 months)

Led the frontend engineering effort to transform an MVP into a scalable production platform, redesigning the architecture and migrating from Vue.js to React and TypeScript. Mentored 3 engineering teams and designed a reusable frontend design system.

React TypeScript Vue.Js NodeJS Ruby on Rails Web3 MetaMask Solana Design Systems

Senior/Specialist Software Engineer

Holonic

Nov 2021 - Oct 2022 (11 months)

Built the frontend architecture from the ground up in React for a digital company formation platform. Developed core KYC and company onboarding workflows and contributed to the Node.js backend and file-management architecture.

React NodeJS MongoDB PostgreSQL Docker AWS KYC File Management

Mid-level Full Stack Engineer

DistantJob

Apr 2021 - Oct 2021 (6 months)

Worked on a French recipe and food discovery platform, building React and TypeScript frontend features for the recommendation system. Integrated frontend experiences with Node.js backend services and APIs.

React TypeScript NodeJS MongoDB PostgreSQL Docker AWS

Mid-level Full Stack Engineer

Geekie

Dec 2020 - Aug 2021 (8 months)

Contributed to the expansion of Geekie's education platform into first-grade elementary education, building interactive digital experiences. Designed and developed a reusable activity widget system using React and React Native.

React React Native Python Microservices Testing Design Systems

Mid-level Full Stack Engineer

Envia

Oct 2018 - Jun 2020 (1 year 8 months)

Modernized a legacy PHP-based communication platform, migrating core functionality to React and Node.js. Redesigned the email delivery architecture using Redis-backed queues for asynchronous background processing.

React NodeJS PHP PostgreSQL MongoDB Redis AWS

Junior Full Stack Engineer

iBureau

Aug 2019 - May 2020 (9 months)

Built data-mining and visualization systems for Brazilian legislative data. Reduced a legislative data-mining process from approximately 12 hours to 46 minutes (~94% faster).

AngularJS TypeScript NodeJS Web Scraping Data Ingestion

Junior Remote Technical Analyst

IBM

Oct 2018 - Feb 2019 (4 months)

Provided remote technical support for Santander's enterprise infrastructure, troubleshooting server, messaging, and telecommunications issues.

Technical Support Troubleshooting Servers Messaging Telecommunications

Junior Full Stack Engineer

Matos Labs

Feb 2017 - Jun 2018 (1 year 4 months)

Developed and maintained web applications using PHP, MySQL, JavaScript, jQuery, and Bootstrap, supporting the company's early product platform.

PHP MySQL JavaScript jQuery Bootstrap

Junior Full Stack Engineer

WSA Industries

Apr 2016 - Feb 2017 (10 months)

Delivered full-stack web solutions for clients using PHP, MySQL, JavaScript, jQuery, and Bootstrap, covering development from frontend interfaces through backend functionality.

PHP MySQL JavaScript jQuery Bootstrap