Front End Developer Jobs in Illinois

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FinTech – AI Finance – Front-end Software Engineer - Senior

EY.AI Finance sits at the intersection of finance transformation, enterprise consulting, and product engineering. We're building a generative AI application purpose-built for Financial Planning & Analysis — think variance analysis in minutes instead of weeks, predictive forecasting grounded in rigorous ML, and scenario planning powered by a custom multi-agent architecture.

The opportunity

This isn't a typical consulting engagement. We're building a centrally managed software asset designed to scale across sectors and clients. You'd be joining a small, high-velocity product team responsible for the full UI surface of that product — from interactive analytics and chat-driven workflows to config-driven dashboards built for both CFOs and FP&A analysts.

In this role, you will interact with business stakeholders to evaluate business models, processes, and operations. You will gather, understand, and analyze business requirements, translating them into technical specifications. Your expertise in specific technology platforms will be crucial in providing in-depth analysis related to implementation, customization, and optimization.

Your key responsibilities

We're looking for a front-end software engineer to take ownership of the user interfaces for our AI-powered finance application. You'll play a key role in translating design into modern, performant interfaces, shaping the user experience, and helping establish the front-end architecture as we scale from proof-of-concept to production SaaS.

As a Senior Platform Business Analyst, you will play a pivotal role in bridging the gap between business needs and technical solutions. You will spend your time engaging with clients, analyzing their requirements, and collaborating with technical teams to design and deliver effective system architecture solutions. This role presents exciting challenges and opportunities for growth, as you will help clients maximize their investment in technology platforms through effective use and continuous improvement. Regular travel may be required to meet with clients and participate in project activities.

• Design, develop, and maintain responsive UIs using React / Next.js and TypeScript
• Translate product and UX designs (Figma) into clean, functional, and scalable interfaces aligned with EY brand standards
• Build and refine interactive components — including chat interfaces, data visualizations, and configuration-driven views
• Collaborate closely with backend engineers, data scientists, and product leadership to deliver cohesive features end-to-end
• Contribute to component libraries, internal documentation, and knowledge transfer across distributed teams
• Engage with business stakeholders to gather and analyze business requirements
• Collaborate with technical teams to design and deliver system architecture solutions
• Tailor technology platforms to align with business processes and objectives

Skills and attributes for success

To thrive in this role, you will need a blend of technical and interpersonal skills. Your ability to build relationships and communicate effectively will be key to your success. Additionally, your analytical mindset will enable you to solve complex problems and drive outcomes.

• Strong understanding of technology platform methodologies and system configuration design
• Proficiency in technology business architecture frameworks and requirements definition
• Experience in conducting technology cost-benefit analysis and delivering training
• Ability to manage client relationships and communicate with impact

To qualify for the role, you must have

• Bachelor’s degree required (4-year degree)
• 3–5 years of professional frontend development experience
• Proficiency in React / Next.js and TypeScript
• Solid experience with Tailwind CSS
• Strong understanding of frontend performance optimization, accessibility, and responsive design
• Experience integrating with RESTful APIs and working alongside backend services
• Ability to work independently and own feature development from design handoff to deployment
• Demonstrated portfolio or code samples showing polished, production-quality UI work
• Strong technical skills in application functional design and platform methodologies
• Expertise in system configuration design and technology business architecture frameworks
• Proficiency in defining and analyzing technology business requirements
• Experience in conducting technology cost-benefit analyses and delivering training
• Exceptional relationship-building skills to foster trust with clients and colleagues
• Strong digital fluency and emotional agility in a fast-paced environment
• Proven problem-solving abilities and critical thinking skills
• A commitment to continuous learning and professional development

Ideally, you’ll also have

• Experience building custom chat interfaces or highly interactive, stateful web applications
• Exposure to data visualization libraries (e.g., Chart.js, D3.js, Recharts)
• Familiarity with Azure Web Apps and/or Python-based backend environments
• Interest in finance, FP&A workflows, or enterprise SaaS — domain experience is a plus, not a requirement
• Experience with agile methodologies and project management
• Familiarity with data analysis tools and techniques
• Knowledge of industry trends and best practices in technology implementation

What we look for

We seek individuals who are not only skilled but also possess a passion for technology and a commitment to delivering exceptional client service. Top performers demonstrate strong analytical abilities, creativity in problem-solving, and the capacity to collaborate effectively with diverse teams.

What we offer you

At EY, we’ll develop you with future-focused skills and equip you with world-class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more.

• We offer a comprehensive compensation and benefits package where you’ll be rewarded based on your performance and recognized for the value you bring to the business. The base salary range for this job in all geographic locations in the US is $102,500 to $187,900. The base salary range for New York City Metro Area, Washington State and California (excluding Sacramento) is $122,900 to $213,400. Individual salaries within those ranges are determined through a wide variety of factors including but not limited to education, experience, knowledge, skills and geography. In addition, our Total Rewards package includes medical and dental coverage, pension and 401(k) plans, and a wide range of paid time off options.
• Join us in our team-led and leader-enabled hybrid model. Our expectation is for most people in external, client serving roles to work together in person 40-60% of the time over the course of an engagement, project or year.
• Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.

Are you ready to shape your future with confidence? Apply today.

EY accepts applications for this position on an ongoing basis.

For those living in California, please click here for additional information.

EY focuses on high-ethical standards and integrity among its employees and expects all candidates to demonstrate these qualities.

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