Senior Full Stack Engineer (blockchain experience)

Remote

Full-time

Job Overview

Vacancy Description

We’re looking for a Senior Full Stack Engineer to join a Web3 project.

The project is based on ZK-proof technology (zero-knowledge proofs), enabling decentralized verification of user attributes without directly exposing personal data

Requirements

- Strong knowledge of JavaScript/Typescript, with a focus on writing clean, maintainable code

• 3+ years of commercial experience as a full-stack engineer with NodeJS (NestJS)

• Strong understanding of the event loop in Node.js and its implications on application performance and scalability

• 2+ years of commercial experience with ReactJS/Next.js

• Familiarity with asynchronous programming concepts, including Promises and async/await

• Experience with optimizing code performance and addressing blocking and concurrency issues in event-driven systems

• Solid understanding of blockchain technology, cryptographic principles, and decentralized systems

• Experience with viem, ethers.js or similar libraries for interacting with blockchain networks

• Strong problem-solving skills and the ability to troubleshoot complex issues;

• Proficiency in writing unit tests, integration tests, and end-to-end tests for Node.js and blockchain components

• Experience with PostgreSQL databases and query languages (e.g. SQL)

• Familiarity with database design and optimization principles

Would be a plus

• Experience in designing and maintaining SDKs and public-facing components
• Understanding of, or hands-on experience with, decentralized or multi-party protocols
• Solid understanding of zero-knowledge proofs (ZKPs) and their applications

Responsibilities

- Design, develop, and implement blockchain solutions using Node.js, JavaScript, and TypeScript, following clean code principles

• Collaborate with the team to define project requirements and architecture for blockchain-based applications

• Integrate blockchain functionality into new and existing systems and applications

• Perform code reviews and ensure the quality and security of the developed software

• Develop and maintain tests for components

• Collaborate with other developers and stakeholders to identify and implement improvements.

Why IdeaSoft

What We Offer

• Competitive compensation
• Social package (24 working days of annual leave and 5 paid sick days)
• Flexible working hours
• Challenging projects in diverse business domains and a variety of tech stacks
• Personal development and professional growth opportunities
• Work with talented, ambitious and family-feel team
• Educational possibilities: corporate courses, knowledge hubs, and in-house English classes
• Compensation for your professional certification & support for your learning activities
• Opportunity to choose IT equipment you like
• Corporate social responsibility