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build: 2026-08-15 13:11 -03

Emerson Carvalho

Tech Lead · Software Engineer · Content Creator

Belo Horizonte, Minas Gerais, Brazil · Building websites since 2002

Summary

I am an experienced frontend and full-stack developer, skilled in modern technologies like React, Node.js, and Web3. With over 20 years in the industry, I have led transformative projects that enhance user experiences and drive business growth, spanning Fox streaming properties serving millions of users, Web3 platforms, and React component libraries. I also run an educational platform teaching developers worldwide.

Experience

Uniify

Frontend Technical Lead

Aug 2023 – Aug 2026 · 3 yrs · Denmark (Remote)

  • Spearheaded a complete revamp of the React component architecture, creating a robust and scalable library.
  • Modernized the tech stack, transitioning the existing structure to a cutting-edge React-based application.
  • Enhanced user experience, directly contributing to increased sales and customer satisfaction.
  • Led a small team to deliver key product initiatives on time.

QuickNode

Senior Software Engineer

Nov 2021 – Jul 2023 · 1 yr 8 mos · US (Remote)

  • Multi-Chain Faucet: built from scratch using Web3 technologies; became the #1 driver of daily new customer acquisition and earned a QuickNode Rockets NFT award.
  • Billing System: led a full overhaul, migrating the entire customer base to a modern platform with a redesigned dashboard.
  • QuickAlerts: co-developed real-time on-chain event alerts, enabling custom expressions for blockchain notifications.
  • API Docs: migrated existing documentation to a revamped platform, improving quality and accessibility.
  • QuickNode Docs (contractor): upgraded the documentation platform and implemented dark mode.
  • Collaborated with the product team to launch new blockchain chains, supporting rapid company growth.

Diamond

Senior Software Engineer

Jan 2014 – Nov 2021 · 7 yrs 10 mos · US (Remote)

  • Fox.com: rebuilt the primary streaming service from the ground up using React, engaging millions of users daily.
  • Super Bowl LIV: handled live streaming for 3.5 million concurrent users with zero downtime.
  • FX+ / FXNetworks: enhanced user engagement, performance, and feature development across both platforms.
  • Fox Nation: developed features increasing viewership and subscriber retention after the Disney acquisition.
  • National Geographic: improved digital presence leveraging the React ecosystem built for fox.com.
  • Simpsons World: contributed to development of the Fox Networks streaming platform.
  • Game Time on Demand: built one of the pioneering college sports streaming services.
  • View Try: developed an innovative AR virtual try-on feature for eyeglasses (my first Diamond project).

Bolt Brasil Comunicação Digital

Senior PHP Developer / iOS Developer

Jan 2010 – Jan 2013 · 3 yrs · Brazil

  • Led diverse projects using WordPress, creating custom plugins, themes, and third-party integrations.
  • Built iOS apps using Objective-C, Arduino projects, and browser extensions for Chrome and Firefox.

Agencia Vibra / Hollo Interact

PHP Developer

Aug 2008 – Jan 2010 · 1 yr 5 mos · Brazil

  • Took over mid-flight from a departing developer, resolved multiple delayed projects and bugs under pressure.

Favo Internet

PHP Developer

Mar 2007 – Aug 2008 · 1 yr 5 mos · Brazil

  • Built systems using the company's internal framework with JavaScript and integrations with Google Charts, Flickr, and other APIs.

Citium Technologia

PHP Developer

Jan 2006 – Mar 2007 · 1 yr 2 mos · Brazil

  • Developed a call center management platform (RIA) using Zend Framework and Adobe Flex, handling dozens of agents 24/7.

Bits Games

Website Developer

Jan 2004 – Jan 2006 · 2 yrs · Brazil

  • Developed and maintained the company website along with supporting web tasks, my first professional role.

GitHub

On GitHub since 2011, over a decade now using version control to collaborate with distributed teams, review code, and ship production software across every role in my career, alongside a long trail of personal projects and experiments.

2011On GitHub since
190+Public repositories
450+Followers

Projects

Fox.com

Fox.com

Jun 2016 - Nov 2021

Working on fox.com has been a thrilling highlight of my career. Collaborating with Fox, a globally renowned enterprise, presented an extraordinary challenge and opportunity: redesigning their primary website from the ground up. So back in 2016 we started the development using React, resulting in a visually stunning platform that now engages millions of users daily.

QuickNode Docs - Upgrade and Dark Mode

QuickNode Docs - Upgrade and Dark Mode

I was hired as a contractor for QuickNode to upgrade their documentation platform and implement a dark mode feature. This project was a great opportunity to showcase my skills and deliver a high-quality product that met the client's needs. The new documentation platform was well-received by users and helped improve the overall user experience.

Multi-Chain Faucet

Multi-Chain Faucet

While working at QuickNode, I dedicated my spare time to crafting faucet.quicknode.com with the aim of deepening my understanding of Web3 technology. Remarkably, this endeavor evolved into a pivotal asset, consistently funneling new customers to our platform on a daily basis.

Super Bowl LIV

Super Bowl LIV

I'm proud to have been a key contributor to a project that supported 3.4 million concurrent users, an achievement realized during the Super Bowl LIV live stream. This experience is a significant highlight in my career. It involved months of meticulous preparation and coordination to ensure everything was flawless for the big event. The level of teamwork and technical expertise required was immense, and I am thrilled to have been an integral part of such a successful and high-profile project.

Revamped Billing System and Dashboard Development

Revamped Billing System and Dashboard Development

One of the coolest projects at QuickNode was the overhaul of our billing system. This endeavor entailed orchestrating the migration of existing clientele to a ground-up, state-of-the-art billing infrastructure, complemented by a sleek, contemporary dashboard. This initiative not only modernized our operations but also elevated the user experience, fostering a seamless transition for our valued customers.

API Documentation for Web3

API Documentation for Web3

We've migrated our existing documentation to a revamped platform. It presented a formidable challenge that I eagerly embraced. Collaborating closely with the content team, I leveraged my expertise to streamline processes and make it as smooth as possible for the team. This collaborative effort modernized our documentation to improve our excellence.

Quick Alerts

Quick Alerts

We also created QuickAlerts a Real-time alerts for on-chain events that enables you to build custom expressions so you can receive notifications about on-chains events in real-time. With QuickAlerts, users gain the power to customize expressions tailored to their specific requirements, facilitating instantaneous notifications for on-chain events as they occur.

Expanding Portfolio with New Chains

Expanding Portfolio with New Chains

In our pursuit of accelerated growth, it became imperative to diversify our portfolio with new blockchain chains. Collaborating closely with the product team and the strategic rollout of these additions, ensuring a synchronized launch. This comprehensive approach encompassed the timely release of documentation and all necessary support materials for each newly integrated chain, fostering a seamless and efficient onboarding experience for our expanding user base.

FXNetworks

FXNetworks

One of the initial projects I undertook at Fox was with FXNetworks, marking the beginning of an extensive and rewarding journey. Over the years, I have had the privilege of contributing to numerous exceptional projects, each enhancing my skills and broadening my professional experience. You can view a video showcasing this gorgeous homepage at https://www.youtube.com/watch?v=tuwQN3O-M1Q

Game Time on Demand

Game Time on Demand

I had the opportunity to work on GameTimeOnDemand, one of the pioneering streaming services in the industry. This platform specialized in providing high-quality video streaming for college sports games, allowing me to gain valuable experience in both video streaming technology and the sports entertainment sector.

View Try

View Try

Developed an innovative virtual try-on feature for eyeglasses and sunglasses, allowing users to see how frames look on them from home before making a purchase, enhancing the online shopping experience.

FX+

FX+

FX+ is the premier streaming platform for FX Network content, I had the opportunity to work on some truly remarkable projects. My experience with FX+, an asset of Fox, was incredibly rewarding and allowed me to hone my skills in creating engaging and visually appealing user interfaces. This project demonstrates my ability to work on high-profile platforms and deliver exceptional results. You can view a video showcasing this gorgeous homepage at https://www.youtube.com/watch?v=Mbg-cu3LSik

Fox Nation

Fox Nation

After Disney's acquisition of Fox, the company initiated the creation of a groundbreaking new platform called FoxNation. Designed to showcase shows, documentaries, and movies that celebrate American pride, this ambitious project required leveraging the existing infrastructure of fox.com while also establishing it as a standalone service. As a result, FoxNation successfully attracted millions of paid subscribers.

National Geographic

National Geographic

At National Geographic, I played a pivotal role in leveraging the React ecosystem we developed for fox.com. Working with such a renowned and respected brand was incredibly rewarding, and I am proud of the innovative contributions I made to this high-profile project. At the time, I've made a video of its gorgeous homepage that you can watch on https://www.youtube.com/watch?v=9bDH3KN1Hj0

Recommendations

View all on LinkedIn
Moustafa Shoaib
Moustafa Shoaib · QA Engineering at Deel | ISTQB - AWS Certified | Release Engineer | Process Improvement | Ex-Miro
August 7, 2026 · worked with Emerson on the same team

Working with Emerson at Uniify was a fantastic experience. He brings incredible energy, sharp problem-solving skills, and a genuine passion for engineering. Emerson has an innate ability to break down complex technical problems into actionable solutions, and his background in teaching and content creation clearly shines through in how he collaborates with and supports his teammates. He delivers exceptional results without losing sight of developer experience and team growth. I highly recommend Emerson to any engineering team seeking strong frontend expertise and leadership.

Jean Pimentel
Jean Pimentel · Senior Software Engineer with 15+ years of experience | Python, JavaScript, TypeScript, React, Java, PHP
August 27, 2025 · worked with Emerson on the same team

Emerson is a fantastic colleague who I'd always want on my team. He's not only a talented professional but also genuinely invested in helping others grow. His incredible dedication to solving problems with high-quality work make him an invaluable asset. Having him as a colleague was fundamental to my professional and personal growth.

Gabriela Kalkerup
Gabriela Kalkerup · Senior User Experience Designer hos PNO
January 26, 2025 · worked with Emerson on the same team

Emerson is an exceptional professional who brings a big smile and positive energy to every meeting. I’ve had the pleasure of working with him for about a year and a half, and his professionalism continues to impress me. He has an incredible eye for detail and consistently ensures that his work is completed to the highest standard. Emerson isn’t afraid to ask questions or dig deeper to deliver the best possible outcome, which makes him a truly valuable teammate. Collaborating with him has been a pleasure, as his natural eye for design elevates every project he’s part of.

Beyond his technical skills, Emerson is an outstanding mentor. As someone who occasionally writes code myself, his guidance has been invaluable. He often goes above and beyond, creating short videos to explain the basics or walk through solutions to my challenges. These videos are concise, clear, and incredibly effective—I didn’t realize how valuable such an approach could be until working with him.

What sets Emerson apart even further is his patience. Whether explaining a piece of code or articulating his perspective on a design problem, he does so with clarity and kindness. He is the kind of senior every junior dreams of learning from and the best frontend partner a designer could ask for.

Romans Špiļaks
Romans Špiļaks · Software Engineer | React & TypeScript | PHP | AWS Solutions Architect (In Progress)
January 9, 2025 · reported to Emerson directly

I have the pleasure of working with Emerson on a project where he leads the frontend team. I joined as a junior developer with limited experience, and Emerson was not only my lead but also my mentor. Thanks to his exceptional ability to explain complex concepts and offer support when needed, I’ve grown quickly as a professional and continue to improve under his guidance. Emerson’s expertise is truly impressive - his extensive knowledge and deep understanding of processes set him apart. What makes him even more remarkable is his personality: always positive, approachable, and patient, with strong set of soft skills. This industry would greatly benefit from more people like him.

Carl DiClementi
Carl DiClementi · Product, DevRel, & Design leader - AI Marketplace
November 14, 2023 · was senior to Emerson but didn’t manage Emerson directly

I had the pleasure of working with Emmerson as the VP of Product at QuickNode. Emmerson was an invaluable member of our team, and I am incredibly grateful for his contributions to our success.

Emmerson was a hard worker who was always willing to put in the extra hours to get a project out the door when needed. He was also incredibly flexible to the changing demands of the business. Emmerson brought a positive attitude to the team, an infectious energy that we all fed off of.

Emmerson was always willing to go the extra mile to help his teammates. He was always available to answer questions, provide support, and lend a helping hand.

I am confident that Emmerson will be a valuable asset to any team he is a part of. He is a highly skilled engineer, a hard worker, and a great team player. I highly recommend him for any engineering position.

Galina Podstrechnaya
Galina Podstrechnaya · Technical Education Leader | Ex-Quicknode, Codecademy, DigitalOcean
August 27, 2023 · worked with Emerson on the same team

I had the pleasure of closely working with Emerson for several months, and his professionalism, enthusiasm, knowledge, and technical skill stood out consistently. He played a crucial role in building features for a Docs API platform used by thousands. His passion translated into high-quality work, and he consistently went beyond expectations, always ready to offer assistance for any challenges. It was impressive to watch him quickly adapt and master any new technology at hand. I highly recommend Emerson for any future work; his expertise and proactive, positive attitude are invaluable!

Bojan Cabrilo
Bojan Cabrilo · Technical Program Manager @ Quicknode
August 1, 2023 · worked with Emerson but on different teams

I had the pleasure of working with Emerson at QuickNode on a number of projects, where he utilized his front-end development skills. His positive attitude, attention to detail, communication skills, and dedication to meet project deadlines have been exceptional. He would be an asset to any dev team and comes with my highest recommendation.

Jake Hahn
Jake Hahn · Digital Assets at Schwab
July 11, 2023 · worked with Emerson on the same team

I had the pleasure of working with Emerson over the past year.

He played a key role in many big launches including a new alerts product, billing system, faucet, and new API docs experience. Throughout these launches, he was independent and thorough with his work. I'm very happy that Emerson was on the team to work through these big initiatives.

He always brought a great attitude towards the work he did and was a pleasure to work with. I highly recommend him!

Diego Suarez Peredo
Diego Suarez Peredo · Senior Software Engineer
July 9, 2023 · worked with Emerson on the same team

I had the pleasure of working alongside Emerson at QuickNode, and I can confidently say that he is a fantastic Front End Engineer who always goes the extra mile.

His execution of great user experiences, coupled with his extensive knowledge of JavaScript, React, and web programming, makes him an exceptional developer. Emerson's positive attitude and willingness to help others create a vibrant and collaborative work environment.

He is a valuable asset to any team, and I highly recommend him for his technical expertise, independent motivation, and his ability to deliver outstanding results.

Zach Perlman
Zach Perlman · Senior Software Engineer at Quicknode, Blockchain Infrastructure
July 7, 2023 · worked with Emerson on the same team

Emerson was great to collaborate with to develop new features and a great resource to lean on when help was needed.

His knowledge with react, typescript, Ruby, and programming in general is immense and really helped the team to achieve its goals throughout his tenure at QuickNode.

He always is willing to take the time out of his day to help others in need, or just to review some PRs.

I believe he could be a great asset to any team.

John Mitsch
John Mitsch · Senior Software Engineer at Quicknode
July 6, 2023 · worked with Emerson on the same team

Emerson is an exceptional developer who has a clear passion for JavaScript, React, and web programming. He always has an upbeat attitude that fosters an invigorating, positive work atmosphere.

It was always great to know that I'd be working with him on a project as he is very capable and independently motivated. He's a great asset to any developer team and I'd welcome the opportunity to work with him again in the future!

Sahil Sen
Sahil Sen · DevRel @Quicknode
July 6, 2023 · worked with Emerson but on different teams

Emerson is an excellent engineer. While at QuickNode he executed a lot of great user experiences. He is not only a team player in a professional capacity but a very nice person to work with.

Jose C.
Jose C. · Building web3 infrastructure
July 5, 2023 · worked with Emerson but on different teams

Emerson is a talented software engineer whose impressive technical expertise and efficiency were evident in his work. I had the pleasure with him with the launch of the QuickNode Faucet, a project he not only brought to fruition but also scaled to tens of thousands of monthly users. Emerson's solid knowledge of modern programming languages and frameworks was consistently demonstrated by his fast turnaround times and sheer output. Beyond his technical skills, his ability to collaborate effectively and his positive attitude made him a joy to work with. Working with Emerson has been great and hope our paths cross in the future!

Nick Schilling
Nick Schilling · Front-End Engineering Lead at Energy Vault
February 22, 2022 · managed Emerson directly

I worked with Emerson on the Fox React site for four years. He always wrote quality code, and was a consistently reliable member of the team. Emerson was a positive force, always friendly and willing to help others. I enjoyed working with Emerson and hope to do so again.

Robert Cuadra
Robert Cuadra · Practical AI systems for ambitious, high-context SMBs
November 23, 2021 · managed Emerson directly

Emerson is an incredibly talented software developer that is dependable and productive. While reporting to me, he and I developed several high profile, high traffic properties that were able to gracefully handle all traffic thrown at them. I have seen that he is a very talented developer, and I endorse his deep understanding of Javascript. Emerson comes with my highest recommendation, and I'm available as a reference for him. He is excellent at learning whatever he needs to in order to accomplish goals. Hire with confidence.

Leonard Tatum
Leonard Tatum · 20+ years as a software engineer | 50+ professionally published apps | 10B+ combined downloads
November 16, 2021 · worked with Emerson on the same team

I had the pleasure of working alongside Emerson at Fox. He was a wonderful team player. He was always willing to help teammates resolve any issues. He was also very personable and patient when working with others. Everyone will tell you that Emerson is a very good coder. Anywhere Emerson goes there won't be any disappointment with his contributions. Very willing developer, hard worker, good friend, and overall class act.

Michael Bilas, CSM
Michael Bilas, CSM · Technical Project Manager / Scrum Master
November 11, 2021 · managed Emerson directly

Emerson is a great engineer. He knows how to communicate what he is working on and always makes sure to let me know if there are any blockers, or if he needs assistance. Emerson is very knowledgeable in his field and has been an asset to the Diamond team, providing great work for our clients. I can not recommend Emerson enough. Thank you for everything over the years!

Benjamin Gummelt
Benjamin Gummelt · Senior Software Engineer at Fox
November 11, 2021 · worked with Emerson on the same team

I've worked with Emerson at fox for the 3 years i have been on the project and he is always the goto person when i am stuck on an issue. His vast knowledge and patience to teach and share knowledge is incomparable. He gets along with everyone and will be the impact you need on any team. Look forward to working again in the future if our paths cross. His Twitch Streams and youtube videos are top notch for entertainment as well as learning new things.

George Grigorian
George Grigorian · Senior Project Manager at APM Music
November 8, 2021 · worked with Emerson on the same team

I've worked with Emerson at Fox in CPE group. As a scrum master for multiple teams, I come to rely on my relationship and trust I build with developers of other teams for dependencies and blockers. The almost 2 years that I've worked with Emerson has been nothing but pleasure as far as his response, his reliability with his honesty and solid feedback so then I can take that back to my team to help us plan accordingly. His wealth knowledge in his field has always been also very reassuring for folks like me (scrum master / project managers / PMO in general) to be able to have a trusty and concrete point of contact. I would definitely miss working with you Emerson and whoever gets you in their team is going to be very lucky! Hope to work with you again in future.

Josh Alpert
Josh Alpert · Principal Software Engineer at AlgoWorks.ai
November 8, 2021 · worked with Emerson on the same team

I've worked directly with Emerson for years on projects for FOX.com and only have good things to say about him, his knowledge and skills in programming are always something I can depend on while his demeanor and personality are something that I consider best in class when it comes to projects. He is always helpful and extremely talented and would make a good addition to any team he is on.

Barbara Rogers
Barbara Rogers · Sr. Program Manager at Fox Corporation
November 4, 2021 · worked with Emerson on the same team

I’ve had the pleasure to work with Emerson on two teams - one team was more front-end focused and the other team was primarily back-end and developing SDKs. In both teams, Emerson stood as one of the strongest of all the developers. He’s extremely talented. He is also very personable and adds a fun vibe to the team’s dynamics. He is one of my favorite developers I’ve worked with.

Matthew Ronchetti
Matthew Ronchetti · Senior Software Engineering Manager at Fox
November 3, 2021 · was senior to Emerson but didn’t manage Emerson directly

I worked with Emerson for several years and he is always positive, dedicated, and ready to dig into any challenging issue or feature. His communication and collaboration skills made working with our internationally collaborative team easy.

Mark Lawson
Mark Lawson · Senior Software Engineer
October 15, 2019 · worked with Emerson on the same team

Emerson is a fantastic programmer! He has a well-rounded approach to programming, along with a solid understanding of agile processes. His meme game is on point, always bringing a positive and upbeat attitude to work. I'd recommend him to anyone!

Bruno Leite
Bruno Leite · Senior Software Engineer | Javascript, ReactJS, NextJS, VueJS, Angular, PHP, Laravel, ORM, SQL
April 10, 2013 · worked with Emerson on the same team

Emerson is a professional with an excellent ability to see and contextualize solutions to a problem more broadly, not just focused on the immediate issue.

In addition, Emerson also has excellent technical qualities and a unique teaching style to help colleagues.

Without a doubt, Emerson is the kind of professional every team should have. Highly recommended!

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