Senior Full Stack Engineer

VANHACK TECHNOLOGIES INC.
Santa Clara, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Santa Clara, United States of America

Tech stack

Amazon Web Services (AWS)
Cloud Computing
Code Review
Continuous Integration
Node.js
Open Source Technology
Blockchain
Software Engineering
Tokenization
TypeScript
React
Software Application Programming
Backend
GIT
Event Driven Architecture
Kubernetes
Ethereum
Solidity
Web3.js
Front End Software Development
Blockchain
Docker

Job description

We're looking for a Senior Blockchain Developer who can take ownership of critical systems, contribute to architectural decisions, and help us build secure, scalable blockchain applications used by thousands of users.

  • What You'll Do
  • Design, develop, and maintain smart contracts for production blockchain applications.

  • Build and integrate decentralized applications (dApps) across frontend, backend, and blockchain layers.

  • Architect scalable solutions for DeFi, tokenization, and Web3 platforms.

  • Collaborate with product managers, designers, and engineers to deliver new features from concept to launch.

  • Review code, mentor team members, and help establish engineering best practices.

  • Optimize smart contract performance, gas efficiency, and security.

  • Participate in technical planning, system design, and roadmap discussions.

  • Monitor and troubleshoot production systems when needed.

  • Stay current with blockchain technologies, protocols, and industry trends.

Requirements

  • 5+ years of professional software development experience.

  • 3+ years of hands-on blockchain development experience.

  • Strong expertise in Solidity and smart contract development.

  • Experience building applications on Ethereum and EVM-compatible networks.

  • Proficiency with JavaScript and TypeScript.

  • Strong experience with Node.js and backend API development.

  • Experience working with React and modern Web3 frameworks.

  • Deep understanding of blockchain architecture, wallet integrations, transactions, and token standards.

  • Experience with Git, CI/CD pipelines, and cloud-based deployment environments.

  • Strong problem-solving skills and attention to detail.

  • Excellent communication skills and ability to work effectively in a remote environment.

  • Preferred Qualifications
  • Experience building DeFi protocols, DEXs, lending platforms, or staking systems.

  • Familiarity with Layer 2 networks and cross-chain technologies.

  • Experience with smart contract auditing and blockchain security practices.

  • Knowledge of Docker, Kubernetes, AWS, or other cloud infrastructure.

  • Experience with blockchain indexing solutions and event-driven architectures.

  • Contributions to open-source projects are a plus.

  • Previous startup experience is highly valued.

About the company

We're building the next generation of blockchain-powered products across decentralized finance (DeFi), tokenized real estate, digital assets, and Web3 infrastructure. Our team moves fast, values ownership, and focuses on creating products that bring real-world utility to blockchain technology.

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