Full-stack Blockchain Developer
3 weeks ago
Greetings, and thank you for visiting our job post.
Supercoder is an AI-powered career development platform to connect developers around the world to remote job opportunities with competitive pay.
About the Role
Our client, is looking for a Full-stack Blockchain Developer (Smart Contracts-focused)
What You’ll Do
- Design, develop, and deploy smart contracts in Solidity (EVM) and/or Rust (e.g., Solana)
- Perform security reviews (auth/roles, reentrancy, frontrunning/MEV, overflow), gas/fee optimization
- Integrate on-chain and off-chain systems: backend APIs/workers and web/mobile DApps
- Build and ship both web and mobile apps (store submissions in collaboration with the team)
- Own testing/automation (unit/property tests, CI/CD) and monitoring in production
- Evolve wallet, token, staking, bridge, and related core features; handle production incidents
Must-Haves
- Eligible to enter and work in Korea; willing to work in Korea
- Mid-level+ proficiency in Solidity or Rust (one or more)
- Frontend: experience with React, React Native, Vue (≥ 2 of these)
- Backend: PHP (preferred) or Node.js; strong SQL (MySQL/PostgreSQL), schema design & optimization
- Practical understanding of smart-contract testing/auditing and deployment/operations
- Proficiency with Git workflows, code reviews, and issue tracking
Nice to Have
- Mainnet deployments on EVM/Solana; multi-chain architecture experience
- Proven security/performance improvements (audit fixes, gas cuts, MEV mitigation)
- MQ/cache/cron workers; high-traffic and payments processing
- AWS/GCP, Docker/K8s, IaC (Terraform)
- Strong English technical writing/communication
- Applicants from India are welcome (visa/work authorization support negotiable; merit-based hiring)
Terms
- Employment: Full-time (probation negotiable) or Contract (project-based)
- Location: Korea/ Remote
- Compensation: Competitive salary + token/stock options (negotiable)
How to Apply for This Opportunity
- Click Apply and Register or Log in to our portal - https://developer.supercoder.co/sign-in
- Upload your updated resume and complete the Screening Form
- Get shortlisted and meet the client for the interview
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