Web3 Developer Senior Jobs in Europe

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.

As a Sr. Lead Software Engineer at JPMorgan Chase  within the Commercial & Investment Bank - Payments Technology, Core Blockchain Team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Drive significant business impact through your capabilities and contributions, and apply deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications.

Job responsibilities

• Designs and implements microservices architectures using industry-standard technologies and frameworks.
• Designs blockchain solutions and decentralized applications on private and public blockchain networks, with proven and verified cryptographic protocols
• Drives decisions that influence the product design, application functionality, and technical operations and processes
• Monitors and optimize the performance of microservices, ensuring high availability and responsiveness.
• Troubleshoots and resolves technical issues, providing timely solutions to maintain application stability.
• Conducts code reviews and provide constructive feedback to peers, fostering a culture of continuous improvement.
• Contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle
• Implements rigorous and thorough monitoring and testing practices to ensure the security and performance goals of blockchain infrastructure
• Designs and verifies cryptographic protocols deployed on the blockchain. Design blockchain solutions, such that it can support benchmark use-cases of decentralized applications, with proven and verified cryptographic protocols

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and 5+ years applied experience
• A degree in Computer Science / Mathematics or equivalent work experience in a field utilizing the same subject matter
• Hands-on practical experience delivering system design, application development, testing, and operational stability for traditional distributed systems
• Have practical experience developing on blockchain platforms, such as, Ethereum, Hyperledger, or similar
• Strong object oriented programming language background. Hands-on experience with application programming, backend API development and distributed microservicesinfrastructure in one or more programming language(s): Solidity, Java, JavaScript, Python. 
• Experience and understanding of the cryptographic principles underpinning blockchain technologies such as encryption algorithms, key management, key wallets
• Experience with cloud infrastructure services such as Amazon, Google, or Microsoft 

• Ability to tackle design and functionality problems independently with little to no oversight

• Experience in Financial Markets
• Experience designing and writing smart contracts with Solidity using Hardhat, Truffle, Slither scanning etc
• Hands-on experience with AWS, EKS, Docker
• Knowledge of DevOps practices and tools for continuous integration and deployment.
• Familiarity with blockchain interoperability solutions
• Experience with RDBMS 

Listed in: Cryptocurrency Jobs, Full Time Web3 Jobs, Developer Crypto Jobs, Senior Web3 Jobs, Java Web3 Jobs, Engineering Crypto Jobs.