Senior Full Stack Engineer (blockchain experience)
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
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Strong knowledge of JavaScript/Typescript, with a focus on writing clean, maintainable code
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3+ years of commercial experience as a full-stack engineer with NodeJS (NestJS)
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Strong understanding of the event loop in Node.js and its implications on application performance and scalability
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2+ years of commercial experience with ReactJS/Next.js
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Familiarity with asynchronous programming concepts, including Promises and async/await
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Experience with optimizing code performance and addressing blocking and concurrency issues in event-driven systems
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Solid understanding of blockchain technology, cryptographic principles, and decentralized systems
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Experience with viem, ethers.js or similar libraries for interacting with blockchain networks
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Strong problem-solving skills and the ability to troubleshoot complex issues;
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Proficiency in writing unit tests, integration tests, and end-to-end tests for Node.js and blockchain components
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Experience with PostgreSQL databases and query languages (e.g. SQL)
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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
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Design, develop, and implement blockchain solutions using Node.js, JavaScript, and TypeScript, following clean code principles
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Collaborate with the team to define project requirements and architecture for blockchain-based applications
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Integrate blockchain functionality into new and existing systems and applications
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Perform code reviews and ensure the quality and security of the developed software
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Develop and maintain tests for components
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Collaborate with other developers and stakeholders to identify and implement improvements.
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
Would you like to join us?
Please send your resume for our review, and we will be in touch with you soon.