Smart Contract Developer

4pto.io; United States; Hybrid; USD 110,000 - 180,000; Full time

Benefits offered by this job

Hybrid or remote work

Job summary

4pto.io is seeking a blockchain developer to build and maintain blockchain-based applications, focusing on smart contracts and decentralized apps. You’ll work across platforms, connect applications to existing systems, and help improve performance, scalability, and security while growing your skills in this rapidly evolving field.

You will collaborate with teammates across disciplines in a hybrid or remote setup, with opportunities to work from diverse ecosystems and learn new tools like Rust,

Qualifications

• At least two years of blockchain development experience.
• Experience with one or more of Rust, Solidity, Move, JavaScript, Node.js, or NestJS.
• Familiarity with Ethereum, Solana, Sui, or Aptos.
• Familiarity with Git and agile ways of working.
• Strong problem-solving and communication skills.

Responsibilities

• Develop and maintain blockchain-based applications.
• Design and implement smart contracts on one or more platforms.
• Build decentralized applications and integrate with existing systems.
• Collaborate across disciplines to identify blockchain use cases.
• Improve application performance, scalability, and security.
• Keep up with developments in blockchain tools and practices.

Skills

Blockchain development

Problem-solving

Communication

Tools

Rust

Solidity

Move

JavaScript

Node.js

NestJS

Job description

Role overview

Build and maintain blockchain applications, with a focus on smart contracts and decentralized apps. You'll work across blockchain platforms, connect applications to existing systems, and help improve performance, scalability, and security while developing your skills in the field.

Responsibilities

• Develop and maintain blockchain-based applications.
• Design and implement smart contracts on one or more blockchain platforms.
• Build decentralized applications and integrate them with existing systems.
• Work with colleagues across disciplines to identify suitable uses for blockchain technology.
• Improve application performance, scalability, and security.
• Keep up with developments in blockchain tools and practices.

Requirements

• At least two years of blockchain development experience.
• Experience with one or more of Rust, Solidity, Move, JavaScript, Node.js, or NestJS.
• Familiarity with at least one of Ethereum, Solana, Sui, or Aptos.
• Familiarity with Git and agile ways of working.
• Strong problem-solving skills and the ability to work independently and collaboratively.
• Clear communication skills and an interest in learning more about blockchain development.

Benefits and work setup

• Hybrid or remote work, with the role open to candidates in Bulgaria, Serbia, or Croatia.