Oferta pracy

Software Developer (Blockchain)


  • Lesser Poland

    Lesser Poland
  • offer expired a month ago
  • contract of employment, B2B contract
  • full-time
  • specialist (Mid / Regular), senior specialist (Senior)
  • home office work
  • remote recruitment

Your responsibilities

  • Developing and maintaining applications and systems using the newest blockchain technologies, including development of dedicated Smart Contracts and interfacing with cryptocurrency protocols (Bitcoin, Ethereum, XRP, Litecoin, and many others)

  • Designing software and writing clean code, according to the best industry practices and design patterns

  • Taking part in defining all aspects of development from the technology stack and workflow of the given project

  • Performing code reviews

  • Preparing technical documentation

  • Collaborating with a cross-functional team to ensure that our products are of the highest quality and in line with Coinfirm’s strategy

Our requirements

  • 4+ years of experience in Java development

  • Experience with Spring/Spring Boot

  • Data-oriented approach and a passion for Big Data

  • Experience with databases (e.g., MySQL, MapR-DB, Hadoop)

  • Knowledge of Angular 4+ or other JavaScript frameworks is a plus

  • Interest in smart contracts (Solidity) and blockchain technologies (Hyperledger)

What we offer

  • An amazing opportunity to enter a booming industry and to influence the future of blockchain technology

  • A competitive salary with medical insurance

  • Never-ending possibilities to learn new skills with a diversified range of tasks

  • Motivated, dynamic and international team of professionals

  • Flat hierarchy with short decision-making processes

  • Easy-going, non-corporate atmosphere

  • Benefits

  • private medical care

  • remote work opportunities

  • flexible working time

  • no dress code

  • employee referral program


At Coinfirm, we are an international company centred around blockchain technology, providing KYC/AML and transaction security solutions for the financial and cryptoasset industries. Coinfirm is full of professionals with experience in litigation, finance and IT powering the mass adoption of blockchain. With actionable intelligence, we support our partners and clients around the globe, including industry heavyweights such as Binance, Crypto.com, Huobi Global and Celsius Network.

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