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

Job in Jersey City, Hudson County, New Jersey, 07390, USA
Listing for: Fairygodboss
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Blockchain / Web3, Software Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

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 optimises 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 provides 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; designs blockchain solutions that 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 microservices
    infrastructure in one or more programming language(s):
    Solidity
    , Java
    , Java Script ,
    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 Dev Ops practices and tools for continuous integration and deployment.
  • Familiarity with blockchain interoperability solutions.
  • Experience with RDBMS.
Benefits

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.

Equal Opportunity Employer

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.

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Position Requirements
10+ Years work experience
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