Full-stack Blockchain Developer (Smart Contracts-focused)

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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

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