Software Engineer III - Fullstack (Java, React, Python and AI) Engineer at Next Frontier Capital – London | Jobyssey

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

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Required Qualifications, Capabilities, and Skills:

Preferred Qualifications, Capabilities, and Skills: