Devsinc is hiring a

Blockchain Developer - Next.js & Bitcoin Ecosystem

We are seeking a motivated and technically skilled Blockchain Developer with at least 1 year of hands-on experience in blockchain development and a strong foundation in Next.js. The ideal candidate should have working knowledge of the Bitcoin protocol, wallets, or transaction flows, and be eager to build scalable, secure, and modern decentralized applications (dApps).

This is an excellent opportunity for someone early in their blockchain career but ready to take on impactful technical challenges in the Bitcoin ecosystem.

Core Responsibilities

Build and maintain decentralized applications using Next.js.

Integrate Bitcoin wallet APIs, transaction flows, or node services (e.g., Bitcoin Core, Electrum).

Assist in designing secure and scalable blockchain application architectures.

Collaborate with backend and DevOps teams for blockchain infrastructure integration.

Debug issues related to blockchain transactions and dApp performance.

Stay current with developments in the Bitcoin space, including BIPs, wallets, and libraries.

Qualification

2+ year of professional experience in blockchain development, preferably focused on Bitcoin.

Proficiency in Next.js and modern JavaScript/TypeScript (ES6+).

Understanding of Bitcoin fundamentals like the UTXO model, public/private key cryptography, and transaction structure.

Experience with tools or libraries such as bitcoinjs-lib, bitcore, or working with Bitcoin nodes.

Required Skills

🔹 Referred Skills (Nice to Have)

Exposure to the Lightning Network or other Layer 2 Bitcoin protocols.

Familiarity with hardware wallet integration (e.g., Ledger, Trezor).

Backend development experience using Node.js or Express.js.

Knowledge of security best practices in blockchain/web development.

🔹 Soft Skills

Eagerness to learn and grow within the blockchain space.

Strong problem-solving abilities and attention to detail.

Good communication and teamwork in remote settings.

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