Smart Contract Developer | Blockchain Solutions Architect

Rami Abu Shiekha medical Equipment رامي ابو شيخة للاجهزة الطبية; Abu Dhabi; On-site; AED 280,000 - 520,000; Full time

Job summary

Rami Abu Shiekha medical Equipment رامي ابو شيخة للاجهزة الطبية is seeking a mid-level to senior Smart Contract Developer / Blockchain Solutions Architect. You will design end-to-end blockchain solutions, develop and maintain production-ready contracts, and integrate on-chain with off-chain systems across enterprise contexts.

The role requires hands-on Solidity experience, security-first mindset, and ability to lead technical discussions with product and security teams.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, IT, Engineering, or related field.
• Professional experience in blockchain development, smart contracts, or solution architecture.
• Hands-on experience with Solidity and Ethereum Virtual Machine (EVM).
• Experience deploying contracts to testnets and mainnet environments.
• Understanding of blockchain architecture, distributed systems, wallets, and cryptography.
• Familiarity with Layer 2 ecosystems and Ethereum-compatible networks.
• Proficiency with development tools such as Hardhat, Foundry, Truffle, or equivalent.
• Experience with Web3 libraries and blockchain RPC/API services.
• Experience with automated testing and secure coding practices.
• Knowledge of gas management and transaction execution.
• Git, CI/CD, and modern software development practices.
• Understanding REST APIs, databases, cloud services, and backend architecture.
• Experience designing on-chain/off-chain system integrations.

Responsibilities

• Design end-to-end blockchain solutions based on business and technical requirements.
• Develop, deploy, and maintain production-ready smart contracts.
• Build smart contract logic using Solidity and relevant blockchain technologies.
• Design modular and scalable blockchain architectures for decentralized applications.
• Evaluate networks, protocols, and infrastructure per project needs.
• Define on-chain and off-chain components and their interaction models.
• Develop blockchain-based applications, protocols, and decentralized services.
• Integrate smart contracts with frontend, backend, APIs, and external platforms.
• Design tokenization, asset-management, and digital ownership mechanisms where applicable.
• Implement token/contract standards per project specs.
• Establish development patterns for secure and maintainable contracts.
• Create automated tests for blockchain applications.
• Conduct contract debugging and investigate failed transactions.
• Optimize contract execution, storage, costs, and performance.
• Review code for security, reliability, and scalability; mitigate vulnerabilities.
• Coordinate with security auditors during smart contract assessments.
• Design access-control, authorization, and administrative mechanisms.
• Evaluate wallet connectivity, custody models, and blockchain identity needs.
• Develop integration strategies between blockchain networks and enterprise apps.
• Support interoperability and cross-chain initiatives.
• Assess Layer 2 networks, oracle solutions, and decentralized storage.
• Establish technical standards for development, testing, deployment, and monitoring.
• Develop architecture diagrams, specifications, API docs, and blueprints.
• Collaborate with product, engineering, security, compliance, and business teams.
• Participate in planning, architecture reviews, and sprint discussions.
• Monitor deployed contracts and applications; troubleshoot incidents.
• Research emerging blockchain tech and business applications.
• Provide technical leadership to developers and teams.

Skills

Solidity

Web3

Security audits

System design

Troubleshooting

Technical leadership

Communication

REST APIs

CI/CD

Education

Bachelor's degree in Computer Science or related field

Tools

Hardhat

Foundry

Truffle

Web3 libraries

Ethereum-compatible networks

Job description

We're Hiring: Smart Contract Developer | Blockchain Solutions Architect

Employment Type: Full-Time

Level: Mid-Level to Senior

Key Responsibilities

• Design end-to-end blockchain solutions based on business and technical requirements.
• Develop, deploy, and maintain production-ready smart contracts.
• Build smart contract logic using Solidity and relevant blockchain technologies.
• Design modular and scalable blockchain architectures for decentralized applications.
• Evaluate blockchain networks, protocols, and infrastructure according to project requirements.
• Define on-chain and off-chain system components and their interaction models.
• Develop blockchain-based applications, protocols, and decentralized services.
• Integrate smart contracts with frontend applications, backend services, APIs, and external platforms.
• Design tokenization, asset-management, transaction, and digital-ownership mechanisms where applicable.
• Implement established token and contract standards according to project specifications.
• Establish development patterns for secure and maintainable smart contracts.
• Create automated unit, integration, and end-to-end tests for blockchain applications.
• Conduct contract debugging and investigate failed transactions or unexpected blockchain behavior.
• Optimize contract execution, storage usage, transaction costs, and overall performance.
• Review blockchain code and architecture for security, reliability, and scalability.
• Identify potential vulnerabilities before deployment and coordinate remediation activities.
• Work with security specialists and external auditors during smart contract assessments.
• Design appropriate access-control, authorization, and administrative mechanisms for decentralized systems.
• Evaluate wallet connectivity, signing mechanisms, custody models, and blockchain identity requirements.
• Develop integration strategies between blockchain networks and enterprise applications.
• Support interoperability and cross-chain integration initiatives where required.
• Assess Layer 2 networks, blockchain infrastructure services, oracle solutions, and decentralized storage technologies.
• Establish technical standards for blockchain development, testing, deployment, and monitoring.
• Develop architecture diagrams, technical specifications, API documentation, and solution blueprints.
• Collaborate with product, engineering, security, compliance, and business teams to deliver blockchain initiatives.
• Participate in technical planning, architecture reviews, sprint planning, and implementation discussions.
• Monitor deployed contracts and blockchain applications for operational or performance issues.
• Troubleshoot production incidents and coordinate technical resolutions.
• Research emerging blockchain technologies and assess their potential business applications.
• Provide technical leadership and guidance to blockchain developers and engineering teams.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, Engineering, or a related technical discipline.
• Professional experience in blockchain development, smart contract engineering, or blockchain solution architecture.
• Strong hands-on experience with Solidity and Ethereum Virtual Machine (EVM) ecosystems.
• Experience deploying smart contracts to blockchain testnets and mainnet environments.
• Strong understanding of blockchain architecture, distributed systems, transactions, wallets, and cryptographic concepts.
• Experience with Ethereum-compatible networks and familiarity with Layer 2 ecosystems.
• Proficiency with development tools such as Hardhat, Foundry, Truffle, or equivalent frameworks.
• Experience using Web3 libraries and blockchain RPC/API services.
• Strong understanding of smart contract lifecycle management.
• Experience writing automated tests for smart contracts and decentralized applications.
• Knowledge of common smart contract security risks and secure coding practices.
• Understanding of gas management, transaction execution, and blockchain resource limitations.
• Experience with Git and modern software development practices.
• Familiarity with CI/CD pipelines and automated deployment processes.
• Understanding of REST APIs, databases, cloud services, and backend architecture.
• Experience designing systems that combine on-chain and traditional off-chain technologies.
• Knowledge of token standards and decentralized application architecture.
• Familiarity with blockchain monitoring, analytics, logging, and operational tools.
• Experience participating in security audits or remediation of smart contract audit findings is advantageous.
• Strong system-design and architectural thinking skills.
• Excellent troubleshooting and analytical abilities.
• Strong understanding of software engineering principles and design patterns.
• Ability to communicate complex blockchain concepts clearly to technical and business stakeholders.
• Strong documentation and technical presentation skills.
• Ability to manage multiple technical priorities in a fast-moving environment.
• Relevant blockchain, cloud, cybersecurity, or architecture certifications are advantageous.

What We Offer

• Competitive salary and comprehensive employee benefits.
• Opportunity to work on advanced blockchain and decentralized technology projects.
• Exposure to smart contracts, Web3 applications, tokenization, and blockchain infrastructure.
• Access to modern blockchain development tools and technologies.
• Opportunities to contribute to architecture decisions for new blockchain solutions.
• Professional development and technical training opportunities.
• Support for relevant technology and professional certifications.
• Collaborative environment involving engineering, product, security, and business teams.
• Opportunities to work on innovative digital transformation initiatives.
• Recognition for strong technical contributions and successful project delivery.
• Career progression toward Senior Smart Contract Developer, Lead Blockchain Engineer, Blockchain Solutions Architect, Web3 Architect, or Blockchain Technology Lead.