Lead Software Engineer - Blockchain Developer

Testing Site - JPMC; Jersey City (NJ); On-site; USD 170,000 - 260,000; Full time

Job summary

JPMorgan Chase in Jersey City seeks a Lead Software Engineer focused on blockchain-enabled financial technology. You will lead an agile team to design peer‑to‑peer distributed systems, develop blockchain solutions, and implement tooling for contracts, monitoring, and security.

The role requires hands-on end-to-end Web3 development, cryptographic protocol expertise, and strong cloud experience with AWS, Kubernetes, and Git-based workflows.

Qualifications

• Formal training or certification in software engineering concepts and 5+ years of applied experience.
• Hands-on knowledge of end-2-end development in web3 ecosystem – such as smart contract development, deployment, interaction with RPC providers, integrating with key management systems.
• Strong familiarity with different layers, such as Ethereum, Layer2 protocols.
• Strong object‑oriented programming language background in one or more of the following languages: Go, C++, Rust, Java, JavaScript.
• Experience in developing and designing large and complex distributed computing environments.
• Proven track record of delivering software development projects.
• Experience with cloud infrastructure services AWS and Kubernetes.
• Familiarity with using Git or other version control software for source code management.

Responsibilities

• Design Peer-to-peer distributed systems and implement using multiple technology stacks.
• Familiarity with key blockchain technologies & understanding.
• Collaborate with various line of business technology teams to design and build robust and performant blockchain-based solutions.
• Design and implement blockchain supporting tools and utilities (e.g., CLI client, tools for exploring the blockchain, monitoring, benchmarking or debugging tools).
• Implement rigorous and thorough testing practices to ensure the security and performance goals of blockchain infrastructure.
• Implement rigorous and thorough monitoring and testing practices to ensure the security and performance goals of blockchain infrastructure
• Design and verify 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
• Build out monitoring protocols and fail-over measures.
• Collaborate with development teams to develop integration design and where appropriate prepare estimates on design and development services for integration initiatives

Skills

Blockchain development

Distributed systems design

Smart contract development

Go/C++/Rust/Java/JavaScript

AWS

Kubernetes

Git/version control

Education

Software engineering degree

Tools

AWS

Kubernetes

Git

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 Lead Software Engineer at JPMorgan Chase within Commercial and Investment Banking team, you will play a key role in an agile team dedicated to building, enhancing, and delivering trusted, market-leading technology products. You will leverage your deep technical expertise and problem-solving skills to address complex challenges across multiple technologies and applications, driving significant business impact through your contributions.

Roles and Responsibilities

• Design Peer-to-peer distributed systems and implement using multiple technology stacks.
• Familiarity with key blockchain technologies & understanding.
• Collaborate with various line of business technology teams to design and build robust and performant blockchain-based solutions.
• Design and implement blockchain supporting tools and utilities (e.g., CLI client, tools for exploring the blockchain, monitoring, benchmarking or debugging tools)
• Implement rigorous and thorough testing practices to ensure the security and performance goals of blockchain infrastructure.
• Implement rigorous and thorough monitoring and testing practices to ensure the security and performance goals of blockchain infrastructure
• Design and verify 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
• Build out monitoring protocols and fail-over measures.
• Collaborate with development teams to develop integration design and where appropriate prepare estimates on design and development services for integration initiatives

Required Skills

• Formal training or certification in software engineering concepts and 5+ years of applied experience
• Hands‑on knowledge of end‑2‑end development in web3 ecosystem – such as smart contract development, deployment, interaction with RPC providers, integrating with key management systems.
• Strong familiarity with different layers, such as Ethereum, Layer2 protocols
• Strong object‑oriented programming language background in one or more of the following languages: Go, C++, Rust, Java, JavaScript
• Experience in Developing and Designing large and complex distributed computing environments
• Proven track record of delivering software development projects
• Experience with cloud infrastructure services AWS and Kubernetes.
• Familiarity with using Git or other version control software for source code management

Desired Skills

• Financial industry experience
• Thorough understanding of cryptographic protocols and blockchain implementations
• Good understanding in key management, custody solutions and cryptographic fundamentals
• Awareness of inter‑operability solutions.
• Strong analytical and problem‑solving skills
• Self‑starter that requires minimal supervision
• Flexible / adaptable - able to work with diverse groups of people including all levels of business management
• Excellent project management and facilitation skills