React Jobs in Web3

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Job Position Company Posted Location Salary Tags

Lemon.io

Indonesia

Swissblock

Baar ZG

$59k - $80k

Exodus

Remote

$150k - $200k

Bullet

Singapore, Singapore

$100k - $140k

Remedy Product Studio

Brazil

$105k - $115k

Underground Administration LLC

Dallas, TX, United States

$71k - $112k

Superduper

United States

$133k - $135k

Number Group

Remote

$120k - $200k

Tether

BE Berne CH

$106k - $107k

Tether

Dubai, United Arab Emirates

$106k - $107k

Tether

Salvador, Brazil

$106k - $107k

Tether

London, United Kingdom

$106k - $107k

Tether

DC Bogotá DC CO

$106k - $107k

Tether

Bangalore, India

$106k - $107k

Tether

Barcelona, Spain

$106k - $107k

Senior Developer Blockchain

Lemon.io

This job is closed

Are you a talented Senior Developer looking for a remote job that lets you showcase your skills and earn competitive compensation? Look no further than Lemon.io — the marketplace that connects you with hand‑picked startups in the US and Europe. 

What we offer: 

  • The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
  • No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
  • We'll manually find the best project for you according to your skills and preferences.
  • Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
  • We respect your seniority so you can expect no micromanagement or screen trackers.
  • Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
  • We will support you from the time you submit the application throughout all cooperation stages.
  • Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
  • Through our community, we will connect you with the best developers from more than 50 countries.

We are currently looking for Senior Software Developers for different projects. One of them is a Senior React & Node Developer with an understanding of blockchain principles; the other is for Senior Blockchain Developers.
 
Requirements – Senior React & Node Developer (GMT-5:00, Overlap: At least 4 hours overlapping with 9 AM–8 PM EST (US Eastern):
 

  • 5+ years of experience as a Full‑Stack Software Engineer in production environments
  • 5+ years of commercial experience with React and TypeScript
  • 5+ years of expertise with Node.js
  • Experience refactoring complex codebases
  • Experience with AI tools for supercharging of the development or curiosity about AI trends, openness to learning with the team
  • Experience working with third‑party integrations and migrations
  • Skilled in investigating issues and applying fixes
  • Excellent problem‑solving abilities and strong communication skills
  • Self‑motivated, independent, and adept at remote collaboration
  • Understanding of blockchain principles is required, while hands-on exp. with blockchain ecosystems is a plus (nice-to-have).

Requirements – Senior Blockchain Developer:
 

  • 4+ years of software development experience.
  • 4+ years of commercial experience with React, React Native, Node, or Python.
  • 3+ years of expertise with Smart Contracts, Solidity, Ethereum, Web3, or Ethers.js is a must.

Other requirements:
 

  • Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
  • Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
  • Strong self-organizational skills — ability to work full-time remotely with no supervision.
  • Reliability — we want to trust you and expect that you won’t let us and the client down.
  • Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.


We also have other projects for Senior Full‑Stack Developers with different requirements. So, if you have 4+ years of commercial experience in software development and are proficient in React & Python, AI Engineering, Python & LLM, UI/UX Design, React & Node or WordPress & Figma, we’d be happy to connect you with a project that suits your experience. Just apply, and we’ll share more details with you.
 
Sounds good for you? Apply!
 
If your experience matches our requirements, be ready for the next steps:
 

  • VideoAsk — watch a short video about our startup, up to 10 minutes.
  • Complete your profile on our website.
  • 30-minute screening call.
  • Technical interview.
  • Feedback.
  • Magic Box (we are looking for the best project for you).

P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada, and the UK. However, we have some exceptions.

At the moment, we DON’T have a legal basis to accept applicants from the following countries:
 
European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
 
Latin America: Cuba and Nicaragua
 
Most Asian countries and Africa.
 
We expand and shorten the list of exemptions regularly.

What does a React developer in web3 do?

A React developer in the context of web3 is a developer who is using the React JavaScript library to build user interfaces for decentralized applications (dApps) that run on the Ethereum blockchain

These dApps often use smart contracts to facilitate transactions and other interactions on the Ethereum network

Overall, the role of a React developer in web3 involves using your skills in React development to help build cutting-edge decentralized applications that leverage the power of the Ethereum blockchain

As a React developer in web3, some of your responsibilities might include:

  • Integrating the dApp with the Ethereum blockchain. This might involve using tools like web3.js and Ethers.js to connect to the Ethereum network and interact with smart contracts.
  • Building the user interface for a dApp using React. This could involve creating components for the various elements of the dApp, such as buttons, forms, and other input elements.
  • Implementing features that are specific to decentralized applications, such as handling cryptocurrency transactions and displaying data from the blockchain in a user-friendly way.
  • Collaborating with other members of the development team, such as blockchain engineers and designers, to ensure that the dApp functions properly and meets the needs of the end users.