Software Engineer III - Fullstack (Java, React, Python and AI) Engineer

Next Frontier Capital; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

J.P. Morgan in London seeks a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React.

You will collaborate with product, marketing, and partners to translate requirements into technical solutions and contribute to AI initiatives for content generation and personalization. You will optimize data flows, implement secure coding practices, and ensure compliance with privacy standards across customer-facing and internal platforms,

Qualifications

• Proficiency in Java, Python, and React.
• Strong backend and frontend engineering fundamentals.
• Experience delivering customer-facing and internal platforms.
• Ability to build integrations with CMS, CDP, and CRM.
• Understanding of AI services and their integration into web applications.
• Knowledge of data flows, event-driven pipelines, and personalization techniques.
• Familiarity with security, privacy, and compliance requirements.
• Hands-on experience using enterprise AI-assisted software development tools with evaluation of outputs for correctness, performance, and security.
• Understanding of responsible AI use in engineering workflows and safe usage guidelines.
• Commitment to engineering excellence and operational best practices.
• Effective collaboration and communication skills.

Responsibilities

• Design, develop, test, and maintain full-stack features using Java, Python, React, and AI-enabled services
• Build reliable integrations with marketing systems such as CDP/CRM, campaign management, and attribution systems
• Implement and optimize data flows and event-driven pipelines to support segmentation, personalization, and measurement
• Leverages enterprise-authorized AI coding assist tools to improve code quality, delivery speed, and productivity with peer review and automated testing
• Applies knowledge of SDLC tools including AI-assisted development to improve automation value
• Contribute to AI-enabled initiatives for content generation, experimentation, and workflow automation
• Collaborate with product, marketing, and partners to translate requirements into technical solutions
• Improve engineering excellence through code reviews, test automation, CI/CD, observability, and security best practices
• Ensure solutions meet security, privacy, and compliance expectations including consent management and data minimization

Skills

Java

Python

React

Backend

Frontend

Integrations

Security

AI tools

Tools

CI/CD tools

Observability

Job description

Join us to shape the future of web applications with innovative AI-driven solutions. You will have the opportunity to work across both backend and frontend technologies, collaborating with diverse teams to deliver impactful customer and internal platforms. Your expertise will help us build reliable integrations and drive experimentation and personalization. We value your passion for engineering excellence and your commitment to secure, compliant solutions. Discover a place where your skills and ideas can make a real difference.

As a Full Stack Engineer in our team, you will design, build, and support scalable web applications and integrations. You will leverage Java, Python, and React to deliver AI-enabled features and capabilities. Your role involves collaborating with product, marketing, and partners to translate requirements into technical solutions. You will contribute to AI initiatives, optimize data flows, and ensure our platforms meet security and compliance standards. Your work will help us deliver personalized and reliable experiences.

Job Responsibilities:

• Design, develop, test, and maintain full-stack features using Java, Python, React, and AI-enabled services
• Build reliable integrations with marketing systems such as CDP/CRM, campaign management, and attribution systems
• Implement and optimize data flows and event-driven pipelines to support segmentation, personalization, and measurement
• 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.
• Contribute to AI-enabled initiatives for content generation, experimentation, personalization, and workflow automation
• Collaborate with product, marketing, and partners to translate requirements into well-designed technical solutions
• Improve engineering excellence through code reviews, test automation, CI/CD, observability, performance tuning, and operational best practices
• Ensure solutions meet security, privacy, and compliance expectations including consent management, data minimization, and access controls

Required Qualifications, Capabilities, and Skills:

• Proficiency in Java, Python, and React
• Strong backend and frontend engineering fundamentals
• Experience delivering customer-facing and internal platforms
• Ability to build integrations with systems such as CMS, CDP, and CRM
• Understanding of AI services and their integration into web applications
• Knowledge of data flows, event-driven pipelines, and personalization techniques
• Familiarity with security, privacy, and compliance requirements
• Hands-on experience using enterprise-authorized AI-assisted software development tools 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 practice
• Commitment to engineering excellence and operational best practices
• Effective collaboration and communication skills

Preferred Qualifications, Capabilities, and Skills:

• Experience with campaign management and attribution systems
• Background in AI-enabled content generation, experimentation, or workflow automation
• Skills in test automation, CI/CD, and observability tools
• Experience optimizing performance and scalability
• Familiarity with consent management and data minimization practices
• Ability to drive innovation in personalization and measurement
• Experience working in cross-functional teams

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.

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.

J.P. Morgan Asset & Wealth Management delivers industry-leading investment management and private banking solutions. Asset Management provides individuals, advisors and institutions with strategies and expertise that span the full spectrum of asset classes through our global network of investment professionals. Wealth Management helps individuals, families and foundations take a more intentional approach to their wealth or finances to better define, focus and realize their goals. We are seeking a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React