Jobs

Interviews
Job Alerts
Tools

Upskill and Grow with AI

Mock Interview Practice interviews in realistic simulations

Coding Practice Improve your coding skills with challenges

Certification Earn certifications to validate your skills

AI Learning Get trained with AI expert sessions

Career Path AI insights for smarter career decisions

AI Job Match Score AI-Powered Job Match Against Your Resume and Optimize Your Resume

Career Tools and Resources

Resume Builder Build Professional Resume with Ease

ATS Friendliness Check Check Resume Friendliness for Applicant Tracking Systems

Auto Apply Apply to hundreds of jobs on any platform effortlessly

Co-Pilot (Chrome Extension) Your AI Assistant for Seamless Browsing Efficiency

Interview Questions Streamline interviews with ready-to-use questions

Salaries Discover market-driven salary insights across skillsets and geographies

Companies Explore leading companies actively hiring talent
For Employers

Jobs

Interviews

Home
>
Jobs in kolkata
>
Red Apple Technologies
>
UI / UX Designers

UI / UX Designers

Red Apple Technologies

3 - 8 years

5 - 10 Lacs

kolkata

Posted:1 day ago| Platform:

Apply

Skills Required

computer science front end debugging javascript agile data structures json open source gaming python

Work Mode

Work from Office

Job Type

Full Time

Job Description

Job Opening for Experienced UI/UX Designers | Red Apple Technologies Career Blockchain Developer

Role:

Blockchain Developer

IT-Software, Software Services IT Software Development Full Time, Permanent

We are seeking an experienced Blockchain Developer with a strong background in designing, developing, and implementing decentralized applications (dApps) and smart contracts. The ideal candidate will have at least 3 years of hands-on experience with blockchain technologies such as Ethereum, Solidity, Web3.js, or similar frameworks.

Qualification: B.Sc. / B. E / B. Tech / M. E / M. Tech in Computer Science or Electronics and Communication / MCA / or relevant experience / 3 years of development experience in blockchain.

Key Responsibilities:

Design and develop decentralized applications and smart contracts using Ethereum/Solidity or other blockchain platforms.
Build AI-enhanced blockchain solutions, such as AI-driven fraud detection and blockchain-based recommendation systems.
Work with Web3 libraries and blockchain protocols to connect dApps to smart contracts.
Collaborate with front-end and back-end teams to integrate blockchain-based functionalities.
Design token omics models for DeFi and GameFi applications.
Ensure the security and scalability of blockchain solutions.
Develop secure and gas-efficient smart contracts, performing audits to prevent vulnerabilities.
Participate in code reviews, testing, and debugging of smart contracts and dApps.
Stay up to date with the latest developments in blockchain and crypto technologies.

Requirements:

3+ years of experience in developing blockchain applications.
Proficiency in Solidity, Web3.js, ethers.js, Truffle, Hardhat, or similar tools.
Experience in Ethereum or other blockchain platforms like Polygon, Solana, BNB Chain.
Understanding of consensus mechanisms (PoW, PoS, etc.), cryptographic algorithms, and data structures.
Familiarity with smart contract security best practices.
Experience with REST APIs, JSON-RPC, and blockchain node integrations.
Good understanding of Git, CI/CD, and Agile methodologies.

Nice to Have:

Experience with Layer 2 solutions (e.g., Optimism, Arbitrum, zkSync).
Familiarity with IPFS, The Graph, Chainlink oracles.
Knowledge of backend development with Node.js, Python.
Contributions to open source blockchain projects or dApps.

Enter Google Drive or Dropbox URLs

WE HAVE RECEIVED YOUR ENQUIRY. YOU MAY EXPECT A REVERT FROM US WITHIN NEXT 8 HOURS

EVERY MILESTONE IS SPECIAL!

Disclaimer: As per the Online Gaming Bill 2025, Red Apple Technologies strictly refrains from developing, funding, advertising, or offering real-money gaming services in India.

More Jobs at Red Apple Technologies

MERN Stack Developer (Exp 3+yrs Kolkata)

Kolkata metropolitan area, West Bengal, India

Experience: Not specified

Salary: Not disclosed

MIS Executive

New Town, Kolkata, West Bengal

Experience: Not specified

INR 0 - 0 Lacs

WordPress Developer (Exp 4+ yrs Kolkata)

Kolkata metropolitan area, West Bengal, India

Experience: Not specified

Salary: Not disclosed

MERN Stack Developer (Exp 3+yrs Kolkata)

Kolkata metropolitan area, West Bengal, India

Experience: Not specified

Salary: Not disclosed

MERN Stack Developer (Exp 3- 5yrs)

New Town, Kolkata, West Bengal

Experience: Not specified

Salary: Not disclosed

Mock Interview

Practice Video Interview with JobPe AI

Start JavaScript Interview

Start Your Job Search Today

Browse through a variety of job opportunities tailored to your skills and preferences. Filter by location, experience, salary, and more to find your perfect fit.

Job Application AI Bot

Apply to 20+ Portals in one click

Download Now

Download the Mobile App

Instantly access job listings, apply easily, and track applications.

Enhance Your Javascript Skills

Practice Javascript coding challenges to boost your skills

Start Practicing Javascript Now

Red Apple Technologies

Digital Marketing & Technology

San Francisco

Login to

Please Verify Your Phone or Email

Confirm Action

Search

Profile

Upskill and Grow with AI

UI / UX Designers