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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Government and Public Sector - AI & Data - GenAI Senior Developer - **Company:** Ernst & Young LLP - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $106,900.0 - $176,500.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Data Analysis, Microsoft Azure, Big Data, Code Review, Information Systems, Customer Data Management, Extract Transform Load (ETL), Data Systems, Web Development, Apache Hadoop, Python (Programming Language), Node.Js, Open Source Technology, Svelte, Next.js, Software Deployment, TypeScript, Web Applications, Web Application Frameworks, Network Routers, Data Ingestion, ReactJS, Large Language Models, Generative AI, Backend, Fastapi, Vue.js, Information Technology, Data Analytics, Data Management - **Published:** August 7, 2026 - **Apply:** https://dejobs.org/x/x/A289A0A17F8F46869680C579835A2793/job/ ## About the Role * Experience with JavaScript and frameworks like React, Next.js or similar * Experience with back-end development (Python, FastAPI or similar) * Understanding of cloud platforms such as AWS, Azure, Vercel etc. * Experience developing, maintaining and improving web applications using modern frameworks (React, Next.js, Svelte, Vue, Remix/React Router, etc.) * Understanding of generative AI models (openAI, Anthropic, open-source LLMs) into web-based products * Experience working with designers, product managers, AI/ML engineers to create intelligent user experience * Experience writing tests, participating in code reviews * Designing, architecting, and developing solutions leveraging big data technology (Open Source, Hortonworks, AWS or Microsoft) to ingest, process and analyze large, disparate data sets to exceed business requirements * Unifying, enriching, and analyzing customer data to derive new insights and opportunities * Leveraging in-house data platforms as needed and recommending and building new data platforms/solutions as required to exceed business requirements * Clearly communicating findings, recommendations, and opportunities to improve data systems and solutions * Demonstrating deep understanding of and ability to teach data science, concepts, tools, features, functions, and benefits of different approaches to apply them * Seeking out information to learn about emerging methodologies and technologies * Clarifying problems by driving to understand the true issue * Looking for opportunities for improving methods and outcomes * Applying data driven approach (KPIs) in tying technology solutions to specific business outcomes * Collaborating, influencing, and building consensus through constructive relationships and effective listening * Solving problems by incorporating data into decision making To qualify for the role, you must have * Must have a Bachelor's degree * Must be eligible to obtain and maintain a Secret Clearance * Must have at least 3-5+ years of experience with the following: * Modern web development (JavaScript/TypeScript etc.) * Backend development (Node.js, Python, FastAPI or similar * Experience integrating generative AI models into applications (APIs or fine-tuned models) * Experience deploying applications on cloud platforms (AWS, Azure, Vercel, etc.) * Understanding statistical modeling as well as ETL, data ingestion/cleansing and engineering skills * Hands-on experience with various big data technologies in one or more ecosystems (Hadoop, AWS or Microsoft) * Must be comfortable working in-person as needed Ideally, you'll also have * Bachelor's Degree or above in mathematics, information systems, statistics, computer science, or related disciplines * Experience with vector databases and AI inference optimizations * Experience with open-source AI and web projects * Experience with RAG or fine-tuning models * Thorough business understanding of data science application and ability to communicate with key decision-makers * Communication is essential, must be able to listen and understand the question and develop and deliver clear insights Due to the nature of our work in the Government and Public Sector, work may be required to be completed at client, EY and/or contractor sites. Our goal is to assign professionals to projects within a commutable distance of their work location office. In certain circumstances, travel may be required beyond your work location based on client and project needs. Candidates should be willing to travel 20 - 30% or more. What we look for We're interested in passionate leaders with strong vision and a desire to stay on top of trends in the Data Analytics and AI industry. If you have a genuine passion for helping businesses achieve the full potential of their data, this role is for you. ## Description Our GenAI Developer will be responsible for designing and optimizing applications that leverage modern web frameworks and AI models. You can expect to support government clients with delivering the latest data science and big data technologies and practices to design, build and maintain scalable and robust solutions that unify, enrich and analyze data from multiple sources. 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