React Jobs in Web3

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Job Position Company Posted Location Salary Tags

Kast

Colombo, Sri Lanka

$87k - $150k

Kast

Colombo, Sri Lanka

$87k - $150k

Kast

Singapore, Singapore

$87k - $150k

Kast

Colombo, Sri Lanka

$87k - $150k

Kast

Singapore, Singapore

$87k - $150k

Kast

Colombo, Sri Lanka

$87k - $150k

Blockus

New York, NY, United States

$81k - $112k

Blockus

New York, NY, United States

$81k - $112k

Okx

Remote

$126k - $144k

Okx

Remote

$63k - $90k

Okx

Remote

$121k - $180k

Bitpanda

Remote

$106k - $115k

Bitmex

Remote

$106k - $114k

Bitmex

Remote

$112k - $115k

Alpaca

Remote

$87k - $109k

Kast
$87k - $150k estimated
Colombo, Sri Lanka

The Associate Technical Lead - Fullstack plays a key role in building and scaling KAST. This is a high-ownership position where you’ll take responsibility for meaningful work from day one, collaborate closely with cross-functional teams, and help turn ambitious goals into real-world outcomes.


Your mission is to move fast and raise the bar. You’ll operate in a dynamic, high-growth environment, navigate ambiguity with confidence, and contribute to systems, products, or processes that scale with the company. Quality matters, speed matters, and ownership is non-negotiable.


This role is for builders, people who take initiative, think in systems, and care deeply about doing great work. If you’re excited about working at the intersection of technology, execution, and impact, you’ll feel right at home at KAST.


Department
Engineering
Employment Type
Full Time
Location
Colombo
Workplace type
Hybrid

Responsibilities

â—Ź Design and develop high-performance back-end and front-end
components using Go, React, Next.js or Python.
â—Ź Drive the development of scalable systems, ensuring best practices in
software architecture and code quality across the stack.
â—Ź Build and maintain robust RESTful APIs and microservices, integrating
seamlessly with third-party financial and Web3 services.
â—Ź Obsess over application speed, smooth user interactions, and
system reliability to support our rapidly growing user base.
â—Ź Collaborate on deploying and scaling applications via AWS, while helping
maintain CI/CD pipelines to keep our deployment velocity high.
â—Ź Work closely with UI/UX designers and product managers to turn
wireframes and user requirements into production-ready features.
â—Ź Conduct rigorous code reviews and provide technical guidance to junior
developers to foster a culture of engineering excellence.
â—Ź Troubleshoot complex technical challenges and ensure smooth operation
of applications post-deployment.

Qualifications & Skills

â—Ź Experience: 6+ years of full-stack development experience, with a track record of taking
ownership of features from conception to deployment.
â—Ź Proficiency in React, Next.js, Node.js or Python. Experience with Go is a
significant advantage.
â—Ź Experience with (or a deep interest in) blockchain, smart contracts, and
decentralized applications (DApps).
â—Ź Solid hands-on experience with AWS or GCP (S3, EC2, Lambda, etc.) and
an understanding of serverless architectures.
â—Ź Strong skills in both relational (PostgreSQL, MySQL) and NoSQL
(MongoDB) databases.
â—Ź Comfort working in a fast-paced environment using Scrum or Kanban
methodologies.
â—Ź A natural ability to guide peers, communicate technical trade-offs to
non-technical stakeholders, and write clear documentation.

About KAST

KAST is redefining stablecoin banking for global citizens, crypto professionals, Web3-native businesses, and high-inflation markets hungry for USD-backed banking. Backed by top-tier global investors and led by the ex-APAC CEO of Circle, our leadership team spans Circle, Airwallex, Revolut, Wise, Grab, Zoom, AWS, and leading OTC desks. We’ve scaled from zero to nearly a million users at ridiculous speed.
Apply Now

Our Hiring Process

Stage 1:

First Technical Interview

Stage 2:

Secomd Technical Interview

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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.