Middle/Senior Node.JS Software Developer in Lviv, Ukraine – [Inactive]

We are looking for an experienced Node.JS Software Developer in a new team for our client from Estonia.

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This Vacancy is currently inactive. However, should you wish to send your CV for consideration, please use the form below and when the position becomes active again, we will notify you.

Symphony – Why So Special?

At Symphony Solutions we have removed all possible barriers created by the traditional organization and embraced the organic principles and a high-degree of self-management. We believe that this kind of organization is the optimal environment to attract and retain the best talents, fully develop them and leverage their potential. As a result, we have achieved the highest retention of employees possible in our industry (currently there’s less than 3% unwanted turnover).
We have a unique employee selection process where colleagues choose colleagues. Such approach eliminates possible conflicts and ensures honest and transparent relationship with clients and within the team. Symphony Solutions is a company that strives to be the Best Price/Performance and the easiest to do business with.
Customer description:
CoinMetro – By way of a fully licensed tokenized ecosystem, CoinMetro provides a gateway for novice and professional traders – as well as both experienced and not so experienced investors – to get involved in the crypto space with an ease-of-access not yet seen in the industry.
Featuring a simple interface designed for mainstream adoption, the CoinMetro platform plans to serve as a conduit between traditional finance and the digital asset economy. CoinMetro’s multifaceted ecosystem will streamline three major components of the digital economy, offering: (i) an exchange, (ii) a trading platform, and (iii) a complete ICO Express framework.
We’re a new exchange with a strong focus on new entrants in the crypto space, the ambition is creating a single platform that can cover the exchange/investment needs of a vast variety of crypto profiles and help induct newbies into the crypto financial ecosystem. To achieve this we’re working on a combination of high-level customer care, intuitive UI, and advanced investment features.
CoinMetro offers many services within one platform:
• Fiat and Crypto Exchange
• Complete Investment Platform
• Turnkey ICO Services
• Off Chain or `Atomic SWAPs`
• ERC20 Liquidity Solutions
• Multi-CCY Margin Lending
• Tokenized Asset Options


  • Node.js – Required;
  • REST API – Required;
  • WebSockets – Strong preference;
  • Redis – Strong preference;
  • MongoDB – Moderate preference;
  • Express – Moderate preference;
  • Extras (highly unlikely you find these): ZeroMQ, QuickFIX.

Duties and Responsibilities:

  • Building of multiprotocol messaging system for trading;
  • Implementation of different messaging schemes (PUB/SUB, REQ/RES) over different protocols (WebSockets, Redis, QuickFIX, ZeroMQ, REST);
  • State synchronization across clients and multiple servers.

We offer:

  • Career and professional growth;
  • Competitive salary and compensation package;
  • Regular performance reviews;
  • Paid English classes;
  • Casual Fridays, corporate events, birthday/wedding presents;
  • Comfortable office facilities (kitchen, coffee machines, massage room, different trainings etc.);
  • Clubs of interests (travel & bicycle club, symphony cuisine, music band, choir);
  • Sport activities (football team, yoga, fitness, stretching classes);
  • Low hierarchy and open communication;
  • The coolest office in Western Ukraine.

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