About Us
At DeCruiz Labs, we’re building infrastructure and applications within the Web3 ecosystem, including a Web3 gaming platform, a crypto-based real-estate platform, and a decentralized exchange (DEX). Our mission is to create scalable, secure, and user-centric decentralized solutions that redefine digital ownership, finance, and blockchain-powered applications.
We are seeking an experienced Senior Blockchain Engineer to help architect, develop, and scale the next generation of decentralized products and blockchain infrastructure.
1. Role Overview
As a Senior Blockchain Engineer, you will play a critical role in designing and developing blockchain-based systems and smart contract architecture across multiple Web3 products. You will work closely with backend, frontend, DevOps, and product teams to build secure, scalable, and production-grade decentralized applications.
This role requires strong technical expertise in blockchain protocols, smart contract development, and distributed systems, alongside the ability to contribute strategically to product and infrastructure decisions.
2. Key Responsibilities
- Blockchain & Smart Contract Development
Design, develop, test, and deploy secure smart contracts and blockchain protocols
Build and maintain decentralized applications (dApps)
Develop core blockchain integrations for DEX, Web3 gaming, and tokenized real-estate systems
Implement token standards, staking, governance, and DeFi-related mechanisms
Optimize smart contracts for gas efficiency and performance
- Architecture & Infrastructure
Design scalable blockchain infrastructure and backend architecture
Integrate blockchain networks and node infrastructure
Develop APIs and middleware connecting blockchain and off-chain services
Ensure high availability, performance, and fault tolerance of decentralized systems
Participate in infrastructure planning and system scalability initiatives
- Security & Auditing
Conduct smart contract reviews and security testing
Identify vulnerabilities and mitigate security risks
Implement secure wallet integrations and transaction flows
Collaborate with auditors and security teams to ensure protocol integrity
