WEB3 Developer

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For our client - a technology company founded in 2018, focused on developing blockchain solutions for their clients, we are looking for an experienced professional to join their growing team as a:

Web3 Developer

Main Responsibilities:

  • Work with the development team and Product manager to ideate software solutions;
  • Design client-side and server-side architecture;
  • Develop and manage a well-functioning database and application;
  • Build the front end of the application through appealing visual design;
  • Develop and manage blockchain applications including deployment of the application to a blockchain network;
  • Maintain and extend current client- and server-side applications responsible for integration and business logic;
  • Write effective APIs;
  • Test software to ensure responsiveness and efficiency;
  • Troubleshoot, debug and upgrade software;
  • Create security and data protection settings;
  • Build features and applications with a mobile responsive design;
  • Write technical documentation and maintain existing ones;
  • Work with Product, Operations and Marketing to improve the software.

The Client Offers:

  • 25 days holiday + bank holidays + 2 days over winter holiday period;
  • Remote work;
  • Competitive pay;
  • High degree of autonomy and exposure to a fast-growing technology company.

Job Requirements:

  • Minimum 3 years of experience as a WEB3 Developer;
  • Proven experience as a Full Stack Developer with blockchain or similar role;
  • Experience working with large codebases;
  • Experience working with open-source projects;
  • Strong knowledge of common algorithms and data structures;
  • Strong knowledge of Ethereum-based chains;
  • Experience in developing desktop and mobile applications;
  • Familiarity with common stacks; basic cryptography and P2P networks;
  • Knowledge of at least one of the following front-end languages and frameworks (React or Angular);
  • Knowledge of at least one of the following back-end languages (PHP, Node.js, Python); 
  • Familiarity with databases (MySQL or MongoDB); 
  • Cloud     infrastructure (AWS);
  • UI/UX design concepts;
  • Excellent communication and teamwork skills;
  • Great attention to detail;
  • Organizational and quick adaptive skills;
  • An analytical mind;
  • Degree in Computer Science or relevant field.


  • SysOps
  • DevOps

Apply and you will get the full broad information about your possibilities with HRS Bulgaria!

All applications will be treated strictly confidential.

Only short-listed candidates will be contacted.


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