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Full Stack Developer; Blockchain, Ruby on Rails, React, Next.js; R

Remote / Online - Candidates ideally in
Phoenix, Maricopa County, Arizona, 85001, USA
Listing for: Cube Square Concepts Projects
Full Time, Seasonal/Temporary, Remote/Work from Home position
Listed on 2026-11-01
Job specializations:
  • Software Development
    Full Stack Developer, Blockchain / Web3, Software Engineer, React.js
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below
Position: Vacancy for Full Stack Developer (Blockchain, Ruby on Rails, React, Next.js) - R

Category:
Technology

Location:

Lagos Lagos Nigeria

Position: Full Stack Developer (Blockchain, Ruby on Rails, React, Next.js)

Location: Remote

Employment Type: Full-Time

Job Summary

We are seeking a highly skilled and motivated Full Stack Developer with expertise in blockchain technology, Ruby on Rails, React, and Next.js to join our dynamic team. The ideal candidate will play a key role in designing, developing, and maintaining innovative web applications that integrate blockchain solutions. This is an exciting opportunity to work on cutting-edge projects and contribute to the development of scalable, secure, and user-friendly applications.

Key Responsibilities Blockchain Development:
  • Design and implement blockchain-based solutions, including smart contracts and decentralized applications (dApps).
  • Integrate blockchain protocols (e.g., Ethereum, Solana) into web applications.
  • Ensure the security, scalability, and efficiency of blockchain implementations.
Back-End Development:
  • Develop and maintain server-side logic using Ruby on Rails
    .
  • Design and manage databases to ensure efficient data storage and retrieval.
  • Implement RESTful APIs and GraphQL endpoints for seamless integration with front-end systems.
Front-End Development:
  • Build responsive, user-friendly interfaces using React and Next.js
    .
  • Optimize applications for maximum speed, scalability, and cross-browser compatibility.
  • Ensure accessibility and a seamless user experience.
Full Stack Integration:
  • Collaborate with designers, product managers, and other developers to deliver end-to-end solutions.
  • Debug and troubleshoot issues across the entire stack.
Testing and Deployment:
  • Write unit and integration tests to ensure code quality and reliability.
  • Deploy applications to production environments and monitor performance.
Continuous Improvement:
  • Stay updated on emerging technologies and industry trends in blockchain and web development.
  • Propose and implement improvements to existing systems and processes.
Requirements Technical

Skills:
  • Strong experience with Ruby on Rails for back-end development.
  • Proficiency in React and Next.js for front-end development.
  • Hands-on experience with blockchain technology (e.g., Ethereum, Solana, Hyperledger).
  • Familiarity with smart contract development (e.g., Solidity, Rust).
  • Knowledge of RESTful APIs, GraphQL, and web sockets.
  • Experience with database systems (e.g., PostgreSQL, MySQL).
  • Understanding of version control systems (e.g., Git).
Soft Skills:
  • Strong problem-solving and analytical skills.
  • Excellent communication and teamwork abilities.
  • Ability to work independently and manage multiple tasks effectively.
Preferred Qualifications:
  • Experience with Dev Ops tools (e.g., Docker, Kubernetes, CI/CD pipelines).
  • Knowledge of cloud platforms (e.g., AWS, Azure, Google Cloud).
  • Familiarity with Agile/Scrum methodologies.
Benefits

What We Offer
  • Competitive salary and benefits package.
  • Opportunity to work on innovative projects with cutting-edge technologies.
  • Flexible working hours and remote work options.
  • Professional development and growth opportunities.
  • A collaborative and inclusive work environment.
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