Fullstack Blockchain Developer (Exchange)

Company Description

full-time role

Day-to-day responsibilities will include:

• Back-end development

  : building scalable, secure APIs, smart contract integrations, and transaction handling systems.

• Front-end development

  : developing responsive, user-friendly interfaces using modern frameworks.

• Web3 integration

  : implementing smart contract interactions, wallet connections, token standards, and decentralized application features.

• Collaboration & teamwork

  : working closely with designers, blockchain engineers, and product managers to ensure alignment with project goals and timelines.

• Standards & quality

  : writing clean, maintainable code, conducting code reviews, and ensuring applications meet performance, scalability, and security benchmarks.

• Continuous learning

  : staying updated with the latest trends in

  Web3, blockchain, and decentralized ecosystems

  to bring innovative solutions to projects.

Qualifications

• Hands-on experience in developing or maintaining crypto exchange platforms (centralized or decentralized)

• Candidates should have practical exposure to building or managing crypto trading platforms

  , whether centralized (CEX) or decentralized (DEX). This includes knowledge of exchange architecture, liquidity pools, KYC/AML integration, and ensuring smooth, high-volume transaction handling.

• Expertise in Back-End Web Development (Node.js, Python, Java, or Go) and Full-Stack Development

• Strong back-end programming skills are required to design scalable, secure, and high-performance systems

  capable of handling millions of transactions. Full-stack capabilities ensure smooth collaboration between front-end and back-end components.

• Strong understanding of trading systems, liquidity management, order matching engines, and payment gateways

• Knowledge of financial trading mechanisms

  is crucial. The candidate should understand how to implement

  order books, trade matching algorithms, liquidity providers, settlement systems, and fiat/crypto payment gateways

  .

• Experience in Front-End Development (React, Next.js, Vue.js) with strong skills in Cascading Style Sheets (CSS)

• User experience (UX) is key for trading platforms. Developers must have experience building intuitive, responsive, and secure front-end dashboards

  for traders and admins, ensuring seamless performance across devices.

• Knowledge of blockchain protocols, smart contracts, wallets, and token standards (ERC-20, BEP-20, etc.)

• A deep understanding of Ethereum, Binance Smart Chain, Solana, or similar blockchains

  is necessary. Candidates should be comfortable with

  developing and auditing smart contracts

  , integrating wallets (MetaMask, TrustWallet), and working with tokens.

• Familiarity with Web3 integrations, APIs, and decentralized ecosystems

• Candidates should be experienced with Web3.js, Ethers.js, REST/GraphQL APIs, and SDKs

  to integrate blockchain features. Familiarity with

  DeFi, staking, yield farming, and cross-chain bridges

  is a big plus.

• Deep knowledge of security best practices for financial/crypto systems (encryption, authentication, fraud prevention)

• Security is paramount in exchanges. The candidate must understand cryptographic security, multi-factor authentication (MFA), cold/hot wallet management, DDoS protection, penetration testing, and fraud detection systems

  .

• Strong problem-solving ability and meticulous attention to detail

• Since financial transactions involve real money at risk

  , precision and problem-solving are essential. Candidates should be able to

  troubleshoot complex issues quickly

  while maintaining zero tolerance for errors.

• Excellent collaboration and communication skills, especially in remote/hybrid environments

• Crypto projects often involve global teams across different time zones

  . The ability to communicate clearly, document properly, and collaborate using remote tools (Slack, Jira, GitHub, etc.) is vital.

• Bachelor’s degree or diploma in Computer Science, Information Technology, or related field (equivalent practical experience accepted)

• While formal education is valuable, we also recognize self-taught developers and industry practitioners

  who bring hands-on expertise, especially from working on

  real crypto or Web3 projects

  .