Senior Lead Software Engineer - Java, Blockchain, API, Cloud

Crypto Pro Network; Jersey City (NJ); On-site; USD 120,000 - 160,000; Full time

Job summary

Crypto Pro Network based in Jersey City, NJ is seeking a Sr. Lead Software Engineer to join their agile team focused on driving innovation in technology products.

The ideal candidate will have a strong background in software engineering, deep expertise in blockchain technologies, and a proven ability to develop and implement microservices architectures. This role requires hands-on experience with programming languages such as Solidity and Java, as well as familiarity with cloud infrastructure services.

Qualifications

• 5+ years of applied experience in software engineering.
• Hands-on practical experience with system design and application development.
• Experience developing on blockchain platforms like Ethereum or Hyperledger.

Responsibilities

• Design and implement microservices architectures.
• Develop blockchain solutions on public and private networks.
• Monitor and optimize the performance of microservices.

Skills

Software engineering concepts

Blockchain platforms (Ethereum, Hyperledger)

Object-oriented programming

Cryptography principles

Cloud infrastructure services

Distributed microservices infrastructure

Application programming

API development

Education

Degree in Computer Science / Mathematics

Tools

Solidity

AWS

Docker

EKS

Truffle

Slither

Job description

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 inone 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

Preferred qualifications, capabilities, and skills

• 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