Sr Blockchain Developer - Blockchai...

Crypto Recruit; London; Remote; GBP 70,000 - 100,000; Full time

Job summary

A leading game studio is seeking a Sr Blockchain Developer to design and maintain secure blockchain technologies. This fully remote position offers the opportunity to work with industry veterans on high-revenue titles, along with flexible PTO and the chance to innovate within the gaming space.

Benefits

Fully remote work

Annual company offsite

Flexible PTO

Opportunity to create a new IP

Qualifications

• 3+ years of experience as a blockchain developer.
• Familiarity with P2P networks and blockchain protocols.
• Experience writing and auditing Solidity contracts.

Responsibilities

• Collaborate with managers to determine blockchain technology needs.
• Create application features and interfaces, write multithreaded code.
• Educate Customer Support personnel on blockchain features.

Skills

C++

Java

JavaScript

Python

Cryptography

Analytical Skills

Problem Solving

Education

Bachelor's degree in information security, computer science, or related field

Tools

Web3.js

Job description

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Sr Blockchain Developer - Blockchain, London

Client: Crypto Recruit

Location: London, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Reference: 701dc0c7e7b1

Job Views: 7

Posted: 17.06.2025

Expiry Date: 01.08.2025

Job Description:

A BIT ABOUT US
We are a new fully-funded game studio with a team of veteran founders.
THE MISSION
As a world-class blockchain developer, you will design, implement, and distribute a secure blockchain-based network. You will analyze our blockchain needs, design customized blockchain technologies, and maintain our blockchain network. This is a remote position that can be done from anywhere in the world.

RESPONSIBILITIES

• Collaborate with managers to determine blockchain technology needs and functionalities.
• Create application features and interfaces; write multithreaded code.
• Apply cryptology techniques to protect digital transaction data against cyberattacks.
• Maintain client and server-side applications.
• Optimize and secure blockchain applications by integrating new tools and developing new functionalities.
• Educate Customer Support personnel on blockchain features for secure digital payments.
• Stay updated with current blockchain technologies and cryptography methods.
• Promote blockchain features within the studio.

REQUIREMENTS

• Bachelor's degree in information security, computer science, or related field; 3+ years of experience as a blockchain developer.
• Proficiency in programming languages such as C++, Java, JavaScript, and/or Python.
• Experience with Solidity contracts: writing, auditing.
• Knowledge of Web3.js.
• Experience in back-end development, algorithms, and data structures.
• Experience working with large codebases.
• Knowledge of cryptography and blockchain protocols (Hyperledger, Multichain, Enterprise Ethereum, Corda, Quorum).
• Familiarity with P2P networks.
• Understanding of blockchain management and data protection best practices.
• Strong analytical and problem-solving skills.
• Excellent organizational, communication, and collaboration skills.

DESIRABLE

• Gaming experience.
• Experience with large-scale backend architectures.

WHAT WE OFFER

• Fully remote work, with annual company offsite (when travel is feasible).
• Experience working with gaming veterans on titles with over $10B USD revenue.
• Flexible PTO and regional holidays.
• Opportunity to create a new IP with franchise potential.

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