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Blockchain Developer

               Verified: verified profile

City: Berlin

Postal Code: 10369

Start date: 25.07.2025

Location: Hybrid

Type: Temporary

German: Required

Level: A1

Job description

Job title: Blockchain Developer

Design, develop and maintain smart contracts on Ethereum, Hyperledger, and other blockchain platforms

Build decentralized applications (dApps) that utilize smart contracts

Collaborate with other team members to design and implement new features and functionalities for our blockchain-based products

Participate in code reviews and ensure that all code is of high quality and adheres to security best practices

Help to maintain and improve the performance of our existing blockchain-based products

Stay up-to-date with the latest developments in blockchain technology and research new technologies that can be applied to our products

Provide technical expertise on blockchain-related matters to internal teams and external clients

Job specifications

Strong software development background

Experience working with large codebases

Experience working with open-source projects

Proficiency in one of the following languages: C++, Java, JavaScript (Depending on the project)

Strong knowledge of common algorithms and data structures

Familiarity with basic cryptography

Familiarity with P2P networks

Strong knowledge of bitcoin-like blockchains

Strong knowledge of concurrency and writing efficient and safe multithreaded code

Strong knowledge of STL, C++11 (In the case of a blockchain based on C++)

Proficiency in the Qt Widgets module  (Applies to projects where a GUI wallet application is needed)

Contact Details

Jane Doe (123) 456-7890 | jane.doe@email.com | recruiting.com