Blockchain Developer
Spark Tech Agency
Full Time
Mid
Operations
5 Vacancy
Job Summary
SparkTech Agency (a concern of Betopia Group) is hiring a Blockchain Developer to build secure smart contracts and scalable dApps. You’ll work with Solidity, Ethereum, and Node.js to develop and integrate blockchain solutions. Ideal for candidates passionate about Web3, security, and decentralized technologies.
Location: Aqua Tower, 43 Mohakhali C/A, Dhaka 1212
Job Type: Office Desk
Vacancies: 5 Positions
What You’ll Be Doing
- Design, develop, and deploy smart contracts using Solidity
- Integrate blockchain functionality into dApps (Ethers.js/Web3.js)
- Build backend APIs using Node.js and Express.js
- Perform testing, audits, and ensure smart contract security
- Work with decentralized storage like IPFS and Filecoin
- Implement wallet integrations (MetaMask, WalletConnect)
- Follow scalable architecture and clean coding practices
- Collaborate with the team to build efficient Web3 solutions
Key Responsibilities
- Develop and deploy smart contracts using Solidity
- Integrate blockchain with dApps (Ethers.js/Web3.js)
- Build and maintain backend APIs (Node.js, Express.js)
- Ensure smart contract security through testing and audits
- Implement decentralized storage solutions (IPFS, Filecoin)
- Enable wallet integration (MetaMask, WalletConnect)
- Optimize performance and scalability of blockchain applications
- Collaborate with team on architecture and development
Preferred Qualifications (Optional)
- Strong knowledge of Solidity, Ethereum, and smart contracts
- Experience with Ethers.js or Web3.js
- Familiarity with smart contract testing and security practices
- Understanding of gas optimization and blockchain architecture
- Experience with TypeScript, Layer 2 solutions, or NFT projects (bonus)
- Knowledge of decentralized storage systems (IPFS, Filecoin)
- Bachelor’s degree in Computer Science or related field (preferred)
Experience Requirement
- Fresh graduates can apply
- 1+ years of experience in blockchain or backend development is preferred
- Hands-on experience with Solidity and Ethereum-based development is an advantage
Key Competencies
- Competitive salary with performance-based bonuses
- Professional training and career development opportunities
- Supportive and growth-focused work environment
- Festival bonuses
- One weekend off per week
Required Skills
.NET WinForms
Application deadline:
2026-04-30
Quick Info
Views
213 views
Applications
11 applicants
Posted
2026-04-12