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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI & Distributed Systems Fullstack Engineer - Senior - Consulting - Location OPEN - **Company:** Ernst & Young LLP - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Salary:** $102,500.0 - $187,900.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Unit Testing, Computer Programming, Continuous Delivery, Continuous Integration, Data Visualization, Programming Tools, Distributed Systems, Ember.Js, Design of User Interfaces, Python (Programming Language), PostgreSQL, Machine Learning, OAuth, OpenID, Commercial Software, Power BI, Azure Active Directory, Distributed Caching, Software Engineering, Tableau (Software), TypeScript, Openapi, Highcharts, Okta, Tablet Computers, Generative AI, Fastapi, AngularJS, Infrastructure Automation Frameworks, Front End Software Development, Looker Analytics, Microservices - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3468366542&tx=HT7266TYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Strong understanding of agile delivery and development methodologies. * Proficiency in application development tools and quality assurance practices. * Ability to build and manage relationships with clients, fostering trust and value. * Excellent communication skills, capable of conveying complex ideas with clarity. To qualify for the role, you must have * A Bachelor's degree required (4-year degree). * Typically, no less than 2 - 4 years relevant experience. * 3-5+ years of experience with Angular or similar frontend frameworks * Strong knowledge of JavaScript, TypeScript, Angular * Knowledge of PostgreSQL and Temporal * Knowledge of Generative AI and building Agents * Ability to design and implement robust APIs and microservices using Java, Python, FastAPI and OpenAPI * Integrate authentication and authorization mechanisms using Keycloak, OAuth2, OIDC, and Azure Active Directory (AAD) * Experience with Data Visualization tools like: D3, Highcharts, Ploty.js, Ember Charts * Experience using Commercial Dashboards (PowerBI, Tableau, Looker) * Experience with Test-Driven Development (TDD) / unit testing * Experience working on complex problems and in a complex codebase * Knowledge of frontend "best practices" around page performance Ideally, you'll also have * A passion for delivering commercial software products and platforms to market * Be deeply technical and constantly in a state of learning * Able to communicate clearly and efficiently with a variety of audiences including developers, clients, customers, partners and executives * Fearless in getting "hands-on" with technology and execution * Strong understanding of modern software engineering processes * Deep understanding and interest in cloud and distributed systems architectures * Comfortable with ambiguity with a drive for clarity * Experience leading and growing technical talent (for software engineering managers) * Experience in complex problem-solving and critical thinking. * Strong emotional agility and the ability to collaborate in hybrid environments. * A proactive approach to learning and adapting to new technologies. What we look for We seek individuals who are not only technically proficient but also possess a strong sense of curiosity and a desire to learn. Top performers are those who can navigate complex challenges with ease, communicate effectively, and build meaningful relationships with clients and colleagues alike. ## Description In this role, you will identify and define user/customer requirements, focusing on developing user interfaces (UI) across various platforms such as mobile, web, and tablets. You will be responsible for creating software components and services that interact seamlessly with upstream and downstream components, ensuring that business requirements are met through effective coding and programming., As a Senior Application Designer and Developer, you will play a pivotal role in delivering innovative solutions. Your time will be spent on various responsibilities, including: * Collaborating with clients to gather and analyze requirements, ensuring that the final product meets their needs. * Designing and developing user interfaces that are not only functional but also enhance user experience. * Writing clean, maintainable code and creating specifications that support business objectives. Regular travel may be required to meet with clients, providing you with the opportunity to engage directly with stakeholders. Skills and attributes for success To excel in this role, you should possess a blend of technical and interpersonal skills. The following attributes will make a significant impact: * Translate business requirements into technical design and architecture * Develop prototypes and demos quickly * Function as part of an agile delivery process * Work on distributed systems problems ranging from scheduling, resource management, messaging, distributed caching and infrastructure automation * Solve sophisticated data and analytics problems at scale * Apply machine learning and AI systems to real-world business problems * Build world-class user experiences across a range of interfaces * Create automation systems for testing, continuous integration and continuous deployment * Design APIs and extensibility models for platform use cases that haven't yet been imagined * Teach our clients how to build and deliver commercial software and services at scale