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Oleksandr G., Polkadot.js Developer

Last Job: 4 Jul 2023

- 3+ years of experience with NodeJS, WebPack, Babel, PHP, BEM, AWS; - Work experience with Express.js; - A good understanding of how the infrastructure of blockchain projects works; - Experience working with NFT projects; - Good skills in fixing existing bugs and implementation of new functions in the backend of blockchain projects; - Experience in creating from scratch API connectors in Node.js-based for Polkadot blockchain; - In-depth skills in creating from scratch backend on Node.js-based to interacting with the blockchain, gathering data, and distributing rewards using smart contracts; - Intermediate English. - Available: ASAP

Polkadot.js

Polkadot.js

Node.js

Node.js   3 yr.

JavaScript

JavaScript

Express

Express

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Mark L.

Mark L., Polkadot.js Developer

Last Job: 26 Feb 2024

Software engineer with extensive experience in full-stack development, specializing in blockchain technology. Proficient in languages such as Rust, Solidity, TypeScript, JavaScript, C#, and C++ with a strong focus on business and web applications, game and blockchain development, as well as e-commerce solutions. Known for utilizing React and .NET to build robust front-end interfaces and back-end systems. Demonstrates deep blockchain expertise with Solidity, Solana, Rust, and Substrate, capable of implementing complex smart contract functionalities like transfer-hooks. Has successfully led projects from concept to launch, showcasing advanced skills in cloud services like Microsoft Azure, and database management systems including MS SQL and MongoDB. Applies comprehensive knowledge of software development practices, methodologies, and tools such as Docker, Git, and Swagger throughout the software development life cycle.

Polkadot.js

Polkadot.js

JavaScript

JavaScript

TypeScript

TypeScript

C

C

Rust

Rust

Solana

Solana

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Table of Contents

How and where is Polkadot.js used?

How and where
  • Decentralized Finance: Enable cross-chain liquidity
  • Interoperability: Connect different blockchains
  • Governance: Implement decentralized decision-making
  • Identity Management: Secure user identities
  • Data Oracles: Integrate external data feeds
  • Smart Contracts: Develop complex decentralized applications

Compare Junior, Middle, Senior, and Expert/Team Lead Polkadot.js Developer roles

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior1-2 yearsResponsibilities & Activities:

  • Assist in basic development tasks
  • Learn Polkadot.js framework
$60,000
Middle3-5 yearsResponsibilities & Activities:

  • Develop and maintain Polkadot.js applications
  • Collaborate with team members
$80,000
Senior6-8 yearsResponsibilities & Activities:

  • Lead development projects
  • Ensure code quality
$100,000
Expert/Team Lead9+ yearsResponsibilities & Activities:

  • Architect complex Polkadot.js solutions
  • Manage development teams
$120,000

Quick Facts about Polkadot.js.

Facts about
  • Polkadot.js was born in 2018, a mere baby in tech years.
  • From DeFi to NFTs, projects of all flavors love Polkadot.js.
  • Forget climbing Mount Everest; mastering Polkadot.js is the real challenge.
  • Polkadot.js and Ethereum – tech’s dynamic duo.
  • Did you know? Polkadot.js devs run on a healthy diet of pizza and code.

TOP Polkadot.js Related Technologies

Related Technologies
  1. React.js
  2. Substrate
  3. Rust
  4. WebAssembly
  5. Polkadot-JS API

What are top Polkadot.js instruments and tools?

Instruments and tools
  • Polkassembly: Community-driven block explorer by Web3 Foundation, released on 2020
  • Subscan: Multi-chain explorer by Subscan, released on 2020
  • Polkastats: Analytics platform by Polkastats, released on 2020
  • Polkawallet: Mobile wallet by Polkawallet, released on 2020

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