Full-Stack Software Engineer III (Python, React, Playwright)

Fairygodboss; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

JPMorganChase in Jersey City is seeking a Senior Full-Stack Software Engineer III to design and deliver scalable, secure software within Payments Technology. You will collaborate on an agile team, produce architecture artifacts, and leverage AI-assisted tools to accelerate delivery while ensuring code quality and security.

The role emphasizes production-grade code, cross-functional collaboration, and continuous improvement in a complex financial services environment, with opportunities to

Qualifications

• Formal training or certification in software engineering concepts with 3+ years of applied experience.
• Hands-on experience in system design, application development, testing, and operational stability.
• Experience coding in Python and React.JS in a large corporate environment; strong SQL/DB querying skills.
• Experience with testing frameworks including Playwright/Pytest.
• Experience using enterprise AI-assisted development tools (GitHub, Copilot, Claude Code) with rigorous validation for correctness, performance, and security.
• Understanding of responsible AI use, data sensitivity, and secure handling within engineering workflows.
• Overall knowledge of the Software Development Life Cycle and agile practices (CI/CD, resiliency, security).
• Familiarity with payment processing domain and modern front-end technologies.

Responsibilities

• Executes software solutions with design, development, and troubleshooting beyond routine approaches.
• Creates secure, high-quality production code and maintains algorithms that run with supported systems.
• Leverages AI coding assist tools to improve code quality, speed, and productivity with peer review and testing validation.
• Applies SDLC toolchain knowledge to improve automation and value realization.
• Produces architecture and design artifacts for complex applications and ensures design constraints are met.
• Gathers, analyzes, synthesizes, and visualizes data from large datasets to improve software applications and systems.
• Proactively identifies hidden data patterns to drive improvements in coding hygiene and system architecture.

Skills

Python

React.js

Playwright

CI/CD

Code review

AI tooling

Secure coding

Tools

GitHub

Copilot

Claude Code

PyTest

Job description

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.

As a Full-Stack Software Engineer III (Python, React, Playwright) at JPMorganChase within the Commercial and Investment Bank - Payments Technology, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.

Job responsibilities

• Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or breakdown technical problems
• Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems
• Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.
• 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.
• Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
• Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
• Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and 3+ years applied experience
• Hands-on practical experience in system design, application development, testing, and operational stability
• Experience in developing, debugging, and maintaining code in a large corporate environment with Python, React.JS programming languages and database querying languages
• Experience with testing framework including Playwright/Pytest
• Hands-on experience using enterprise-authorized AI-assisted software development tools (GitHub, Copilot, Claude Code) within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security.
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices.
• Overall knowledge of the Software Development Life Cycle
• Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security

Preferred qualifications, capabilities, and skills

• Experience working in a payment processing domain
• Familiarity with modern front-end technologies
• Exposure to cloud technologies
• Familiarity with large language models (LLMs) including ChatGPT, Google Bard, and related platforms.
• Exposure to frameworks and techniques such as LangChain, Retrieval-Augmented Generation (RAG), and fine-tuning of LLMs.

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.