Senior Lead Software Engineer - Blockchain, Java, Micro Services

Fairygodboss; Jersey City (NJ); On-site; USD 180,000 - 240,000; Full time

Job summary

JPMorgan Chase & Co. in Jersey City is seeking a Sr. Lead Software Engineer to join the Commercial & Investment Bank Payments Technology, Core Blockchain Team. You will help design, build, and deliver trusted blockchain-powered software in a secure, scalable way.

You will design microservices, implement blockchain solutions, review code, and drive AI-assisted engineering practices, with emphasis on security and performance across cloud environments.

Qualifications

• Formal training or certification on software engineering concepts and 5+ years applied experience
• A degree in Computer Science / Mathematics or equivalent
• Hands‑on experience delivering design, development, testing, and operational stability for distributed systems
• Practical experience developing on blockchain platforms such as Ethereum or Hyperledger
• Strong OO programming background with Solidity/Java/JavaScript/Python
• Experience with cryptographic principles and cloud services (AWS, Google Cloud, Azure)
• Ability to work independently with minimal supervision and lead AI-assisted tooling initiatives
• Experience with responsible AI use and secure coding practices

Responsibilities

• Designs and implements microservices architectures with standard frameworks.
• Designs blockchain solutions and decentralized apps with cryptographic protocols.
• Drives product design decisions and technical operations.
• Monitors microservice performance for high availability and responsiveness.
• Troubleshoots issues and ensures application stability with timely solutions.
• Conducts code reviews and mentors peers to improve quality.
• Contributes to SDLC tooling and enterprise AI-assisted development practices.
• Implements monitoring and testing practices to meet security and performance goals.
• Designs and verifies cryptographic protocols deployed on blockchain networks.
• Drives adoption of AI-assisted engineering and validates AI outputs for correctness.
• Applies SDLC toolchain knowledge to improve automation value.

Skills

Blockchain

Microservices

API Development

Distributed Systems

Object Oriented Programming

Smart Contracts

AWS / Cloud

Security / Cryptography

Education

Bachelor's degree in Computer Science or equivalent

Tools

Solidity

Java

JavaScript

Python

Hardhat

Truffle

AWS

Docker

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
• Drives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root‑cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team.
• Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.

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 microservices infrastructure 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 (AWS, Google Cloud, Azure)
• Ability to tackle design and functionality problems independently with little to no oversight
• Demonstrated experience leading effective use of enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security
• Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching senior engineers/leads on compliant usage patterns and controls.

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

ABOUT US

JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Morgan and Chase brands. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process.

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

JPMorgan Chase & Co. is an Equal Opportunity Employer, including Disability/Veterans

ABOUT THE TEAM

J.P. Morgan's Commercial & Investment Bank is a global leader across banking, markets, securities services and payments.

Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world.