UI Engineer, React/Typescript - Optum Tech Consumer Engineering

📍 Job Overview

Job Title: UI Engineer, React/Typescript - Optum Tech Consumer Engineering

Company: UnitedHealth Group

Location: Schaumburg, Illinois, United States

Job Type: Full-time

Category: Front-End Engineering / UI Development

Date Posted: March 31, 2026

Experience Level: Mid-Level to Senior (Estimated 5-10 years)

Remote Status: Hybrid (Minimum 4 days in office for Minneapolis/DC area, flexible remote within US otherwise)

🚀 Role Summary

• Develop, maintain, and enhance user interfaces using modern front-end technologies, primarily React and TypeScript, within a large-scale healthcare technology environment.

• Ensure the creation of accessible, reusable, and performant UI components and applications that adhere to WCAG AA compliance and industry best practices.

• Collaborate closely with cross-functional teams, including design, product, and backend engineering, to translate complex requirements into robust and user-friendly interfaces.

• Contribute to the evolution of the design system and development tooling, driving efficiency and consistency across consumer-facing applications.

📝 Enhancement Note: While this role is for a UI Engineer, the "Optum Tech Consumer Engineering" and the company's mission in healthcare innovation suggest a strong focus on user-centric design and the impact of technology on patient/consumer experience. Operations professionals might interface with this role for analytics instrumentation, feature rollout planning, and understanding user behavior data derived from the UI.

📈 Primary Responsibilities

• Build accessible, reusable UI components in React 19 with TypeScript 5, adhering to established industry best practices and coding standards.

• Translate dynamic mockups and design specifications into production-ready components and pages, ensuring strict adherence to WCAG AA compliance, keyboard accessibility, and semantic HTML principles.

• Implement application flows and navigation using React Router 7 and manage application state effectively with Redux Toolkit and React Redux.

• Maintain, extend, and document the SCSS-based design system, showcasing components and their usage within Storybook 8.

• Optimize rendering, bundle size, and runtime performance through judicious use of memoization, hooks, and leveraging Nx workspace tooling.

• Write comprehensive unit and integration tests using Jest 29 and Testing Library, and contribute to end-to-end test coverage with Playwright.

• Collaborate within a team environment, utilizing shared libraries, strict typing, and CI pipelines, while adhering to standard code review and Git workflows.

• Implement internationalization and runtime translation patterns, ensuring robust error handling and integrating analytics instrumentation as required for user behavior tracking and performance monitoring.

• Actively participate in Agile ceremonies, partnering with design and product stakeholders to plan features, refine requirements, and evaluate technical trade-offs.

• Produce high-quality, accessible UI code with strong test coverage, thoroughly documented in Storybook.

• Develop reusable components and hooks to minimize code duplication and accelerate feature delivery cycles.

• Write maintainable, typed, readable, and well-tested code that aligns with industry standards.

• Drive measurable improvements in performance, reliability, and overall developer experience across the codebase.

📝 Enhancement Note: The responsibilities emphasize a strong focus on quality, maintainability, and performance. For operations roles, understanding how UI development impacts data capture (analytics instrumentation) and user experience is key. This role requires close collaboration with teams that might include Product Marketing, Customer Success, and Data Analytics.

🎓 Skills & Qualifications

Education: Undergraduate degree or equivalent practical experience.

Experience: Proven front-end development experience building scalable React applications and component libraries.

Required Skills:

• Solid proficiency in TypeScript 5 (e.g., typing props, generics, utility types, type guards).

• Deep understanding of modern React patterns, including hooks, memoization, and appropriate use of context.

• Hands-on experience with Redux Toolkit and React Redux, including designing slices, selectors, and handling asynchronous operations.

• Proficiency with React Router (v7) for implementing routing, guarded flows, and navigation patterns.

• Strong understanding of web accessibility standards (WCAG AA), semantic HTML, and keyboard navigation principles.

• Familiarity with build tools, CI/CD pipelines, version control systems (Git), and Agile development methodologies.

Preferred Skills:

• Experience with analytics instrumentation for user behavior tracking and performance monitoring.

• Experience maintaining and contributing to a living design system, with proficiency in documenting components in Storybook 8.

• Solid testing discipline, including Jest 29 and Testing Library for unit/integration tests, and Playwright for end-to-end tests, with familiarity in mock strategies and test isolation.

• Familiarity with Nx monorepos, modular libraries, and performance optimization techniques within large codebases.

• Expertise in SCSS for styling, including variables, mixins, and responsive, mobile-first layout design.

• Experience with internationalization (i18n) and runtime translation patterns.

📝 Enhancement Note: The emphasis on TypeScript, React hooks, Redux Toolkit, and modern React patterns indicates a need for candidates who can build complex, maintainable, and scalable front-end architectures. The preferred skills in testing, design systems, and performance optimization suggest a role that values robust engineering practices and developer experience, which are critical for efficient GTM operations and product adoption.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 significant front-end projects built with React and TypeScript, demonstrating complex component architecture and state management.

• Include examples of your work on accessible UIs, highlighting specific implementations for WCAG AA compliance and keyboard navigation.

• Provide code samples that clearly illustrate your proficiency with TypeScript, including advanced typing and utility types.

• Demonstrate experience with state management solutions like Redux Toolkit and routing libraries like React Router.

Process Documentation:

• Be prepared to discuss your process for translating design mockups into functional UI components, emphasizing your approach to accessibility and responsiveness.

• Detail your experience with unit, integration, and end-to-end testing strategies, providing examples of how you ensure code quality and reliability.

• Explain your workflow for performance optimization, including specific techniques used to improve rendering speed, bundle size, and runtime efficiency.

• Outline your approach to collaborating within an Agile framework, including participation in planning, code reviews, and sprint retrospectives.

📝 Enhancement Note: For operations candidates, a portfolio that demonstrates an understanding of how UI components integrate with backend systems and capture user data is highly valuable. Highlighting projects with robust analytics instrumentation or clear user flows that can be tracked will resonate.

💵 Compensation & Benefits

Salary Range: $91,700 - $163,700 annually.

Benefits:

• Comprehensive benefits package (details not specified, but typically includes health, dental, vision).

• Incentive and recognition programs.

• Equity stock purchase options.

• 401k contribution plan.

• Opportunities for professional development and career advancement within UnitedHealth Group.

Working Hours: Standard full-time (40 hours per week), with flexibility for remote work within the US. For employees in the Minneapolis or Washington, D.C. areas, a minimum of four days per week in the office is required.

📝 Enhancement Note: The salary range is competitive for a UI Engineer role with the specified experience level and location. The inclusion of stock options and a 401k plan are standard for large, publicly traded companies like UnitedHealth Group. The hybrid work arrangement offers flexibility, which is increasingly important for attracting and retaining talent in the tech industry.

🎯 Team & Company Context

🏢 Company Culture

Industry: Healthcare Technology. Optum Tech is a division of UnitedHealth Group, focusing on leveraging technology to improve healthcare outcomes and efficiency. This includes areas like data analytics, AI, cybersecurity, and consumer-facing digital solutions.

Company Size: UnitedHealth Group is a very large, established healthcare and insurance company, employing over 400,000 people globally. This signifies a stable, resource-rich environment with opportunities for impact at scale.

Founded: UnitedHealth Group was founded in 1977. Optum, as a distinct technology and innovation arm, has evolved significantly over the years, positioning itself at the forefront of health tech.

Team Structure:

• The UI Engineer will be part of the Optum Tech Consumer Engineering team, focusing on user-facing aspects of Optum's digital products.

• This team likely comprises other front-end engineers, UI/UX designers, product managers, and potentially QA engineers.

Methodology:

• Agile development methodologies are standard, with participation in ceremonies like sprint planning, daily stand-ups, and retrospectives.

• A strong emphasis on code quality, testing, and performance optimization, reflecting best practices in modern software development.

• Focus on creating accessible and user-friendly experiences, aligning with Optum's mission to improve health outcomes.

• Data-driven decision-making, with analytics instrumentation playing a key role in understanding user behavior and product performance.

Company Website: https://www.unitedhealthgroup.com/ and https://www.optum.com/

📝 Enhancement Note: As a large, established company in the healthcare sector, UnitedHealth Group likely has mature processes and a structured approach to product development. For operations roles, this means opportunities to integrate with well-defined systems and potentially influence large-scale rollouts, but also to navigate established corporate structures.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-level to senior UI Engineer, indicating a need for independent contribution, mentorship potential, and the ability to tackle complex technical challenges.

Reporting Structure: The UI Engineer will likely report to an Engineering Manager or Team Lead within the Optum Tech Consumer Engineering group. They will collaborate closely with Product Managers and Designers.

Operations Impact: While this is a technical engineering role, its output directly impacts the user experience of Optum's consumer-facing products. This user experience is critical for customer acquisition, retention, and engagement – all key metrics for business operations and revenue growth. The UI Engineer's work is foundational for data collection and analysis that informs operational strategies.

Growth Opportunities:

• Technical Specialization: Deepen expertise in React, TypeScript, performance optimization, accessibility, or explore areas like WebAssembly or advanced state management.

• Leadership Track: Progress to Senior UI Engineer, Staff Engineer, or potentially a Technical Lead role, mentoring junior engineers and driving architectural decisions.

• Cross-Functional Mobility: Opportunities to move into related fields such as product management, engineering management, or specialized roles like Performance Engineering or Accessibility Specialist within Optum Tech.

• Learning & Development: Access to internal training, external conferences, and resources for continuous skill enhancement.

📝 Enhancement Note: For operations professionals, understanding the career trajectory of engineers they collaborate with can provide insights into the team's expertise and potential for future product development that impacts operational workflows. This role offers clear paths for technical growth and potential leadership, which is attractive for building high-performing product teams.

🌐 Work Environment

Office Type: The role is hybrid, requiring a minimum of 4 days per week in the office for those in the Minneapolis or Washington, D.C. areas. For other US-based remote workers, flexibility is offered. The office environment is likely a modern corporate setting designed for collaboration.

Office Location(s): Schaumburg, Illinois, is the primary specified location. UnitedHealth Group has significant operations in Minneapolis, MN, and Washington, D.C., which are also mentioned in the context of hybrid work requirements.

Workspace Context:

• Collaborative Environment: The hybrid model and emphasis on Agile ceremonies suggest a workplace that values team interaction, brainstorming, and knowledge sharing.

• Tools and Technology: Access to modern development tools, high-performance workstations, and enterprise-level infrastructure is expected.

• Team Interaction: Opportunities for direct interaction with designers, product managers, and fellow engineers to foster a cohesive development process.

Work Schedule: Standard 40-hour work week, with flexibility for remote work arrangements as per company policy. The hybrid requirement for certain locations ensures dedicated in-person collaboration time.

📝 Enhancement Note: The hybrid nature of the role means that candidates need to be comfortable with a mix of remote and in-office work. For operations teams, this hybrid structure can facilitate both focused individual work and essential in-person strategic planning sessions.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or recruiter call to assess basic qualifications, cultural fit, and salary expectations.

• Technical Assessment: A coding challenge or technical interview focused on React, TypeScript, and problem-solving skills. This might involve live coding or a take-home assignment.

• On-site/Virtual Interviews: Multiple rounds with engineering managers, senior engineers, and potentially product stakeholders. These will delve deeper into technical expertise, architectural thinking, and collaboration skills.

• Portfolio Review/Discussion: Candidates will be asked to present and discuss specific projects from their portfolio, explaining their technical decisions, challenges faced, and outcomes achieved.

• Final Round: May involve a broader discussion on career goals, leadership potential, and alignment with Optum's mission and values.

Portfolio Review Tips:

• Highlight Impact: For each project, clearly articulate the problem addressed, your specific contributions, the technologies used, and the measurable impact (e.g., performance improvements, user experience enhancements, efficiency gains).

• Showcase Process: Be prepared to walk through your coding process, from understanding requirements to testing and deployment. Explain your rationale behind key technical decisions.

• Accessibility Focus: Explicitly demonstrate how you incorporated accessibility standards (WCAG AA) into your designs and code.

• TypeScript Proficiency: Use examples that highlight advanced TypeScript features like generics, utility types, and type guards.

• Storytelling: Frame your project presentations as narratives that showcase your problem-solving skills and technical leadership.

Challenge Preparation:

• Practice Coding: Revisit core React concepts, TypeScript best practices, and common algorithms/data structures. Practice coding challenges on platforms like LeetCode, focusing on front-end scenarios.

• Redux & Router: Be ready to discuss and implement state management patterns with Redux Toolkit and routing logic with React Router.

• Accessibility & Performance: Prepare to answer questions or complete tasks related to accessibility implementation and performance optimization techniques.

• System Design: For senior candidates, be prepared for discussions on designing scalable UI architectures or component libraries.

📝 Enhancement Note: Operations candidates preparing to interview for roles that will interact with this UI Engineer position should focus on understanding how the UI impacts data capture, user journeys, and overall customer experience. Be ready to discuss how you would leverage the data generated from these UI components for operational insights.

🛠 Tools & Technology Stack

Primary Tools:

• React 19: Core JavaScript library for building user interfaces.

• TypeScript 5: For static typing, enhancing code quality and maintainability.

• Redux Toolkit & React Redux: State management for complex applications.

• React Router 7: For client-side routing and navigation.

• Nx Workspace: Monorepo tooling for managing multiple related projects efficiently.

• Jest 29 & Testing Library: For unit and integration testing.

• Playwright: For end-to-end testing.

• Storybook 8: For developing, documenting, and showcasing UI components in isolation.

• SCSS: For styling, including variables, mixins, and responsive design patterns.

Analytics & Reporting:

• Experience with analytics instrumentation (specific tools not mentioned, but common ones include Google Analytics, Adobe Analytics, or internal tracking solutions).

CRM & Automation:

• While not directly a CRM role, understanding how UI components feed data into CRMs or marketing automation platforms is beneficial.

• Familiarity with CI/CD pipelines for automated testing and deployment.

📝 Enhancement Note: For operations professionals, understanding this tech stack means appreciating the environment in which user-facing data is generated and managed. Collaboration might involve discussing how analytics events are implemented within React components or how UI changes impact user journey tracking within CRM or marketing automation systems.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A strong focus on creating intuitive, accessible, and positive user experiences that align with Optum's mission to improve health and well-being.

• Quality & Craftsmanship: Commitment to writing high-quality, well-tested, and maintainable code, reflecting a dedication to engineering excellence.

• Collaboration & Teamwork: Emphasis on working effectively within Agile teams, fostering open communication, and sharing knowledge across disciplines.

• Innovation & Continuous Improvement: Encouragement to explore new technologies, optimize processes, and contribute to the ongoing evolution of Optum's technology platforms.

• Data-Driven Insights: Utilizing analytics to understand user behavior and product performance, informing development decisions and driving measurable impact.

Collaboration Style:

• Cross-Functional Integration: The role necessitates close collaboration with design, product management, and backend engineering to ensure seamless integration of UI components and features.

• Code Review Culture: A robust code review process is employed to maintain code quality, share knowledge, and ensure adherence to standards.

• Agile & Iterative: Work is conducted in an Agile environment, encouraging iterative development, feedback loops, and adaptability to changing requirements.

• Knowledge Sharing: Active participation in team discussions, pair programming, and documentation to disseminate best practices and technical insights.

📝 Enhancement Note: The emphasis on user-centricity, quality, and data-driven insights aligns well with operational goals. Operations teams can leverage this culture by fostering strong partnerships, ensuring that UI development supports data capture for operational analytics, and collaborating on user journey optimization.

⚡ Challenges & Growth Opportunities

Challenges:

• Scaling Complex UIs: Developing and maintaining large-scale, complex user interfaces for a major healthcare provider requires careful architectural planning and performance optimization.

• Accessibility Compliance: Consistently meeting stringent WCAG AA accessibility standards across a broad range of features and user scenarios can be challenging.

• Cross-Team Dependencies: Navigating dependencies with backend teams, API integrations, and other engineering groups within a large organization.

• Rapid Technological Evolution: Keeping pace with the fast-evolving front-end landscape while maintaining stability and backward compatibility in a regulated industry.

Learning & Development Opportunities:

• Advanced React/TypeScript: Deepen expertise in advanced React patterns, TypeScript features, and modern JavaScript.

• Performance Engineering: Gain specialized skills in front-end performance optimization techniques and tools.

• Accessibility Expertise: Become a subject matter expert in web accessibility standards and best practices.

• Design Systems: Contribute to and potentially lead the development and evolution of a comprehensive design system.

• Mentorship: Opportunity to mentor junior engineers and contribute to team growth.

📝 Enhancement Note: For operations professionals, understanding these challenges highlights areas where collaboration with engineering can be crucial. For example, ensuring that new features or UI updates are fully tested for accessibility and performance before launch, or working with engineering to define clear API contracts that support operational data needs.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI challenge you faced in a React/TypeScript project. How did you approach it, what were the trade-offs, and what was the outcome?" (Focus on problem-solving, technical depth, and impact).

• "How do you ensure accessibility (WCAG AA) in your UI development process? Can you give an example of a specific implementation?" (Demonstrate understanding of standards and practical application).

• "Walk me through your process for optimizing the performance of a React application. What tools and techniques do you use?" (Highlight performance tuning skills and tooling).

Company & Culture Questions:

• "Why are you interested in working for Optum and contributing to the healthcare industry?" (Align your motivations with the company's mission).

• "How do you collaborate with designers and product managers to translate requirements into functional UI?" (Showcase communication and teamwork skills).

• "Describe your experience with Agile methodologies and participating in ceremonies." (Confirm familiarity with development processes).

Portfolio Presentation Strategy:

• Structure: Organize your portfolio by project, with a clear summary of the problem, your role, the solution, and the impact.

• Demo: If possible, provide live demos or interactive walkthroughs of your key projects.

• Code Snippets: Be prepared to share and discuss specific code examples that showcase your proficiency in React, TypeScript, and other relevant technologies.

• Impact Metrics: Quantify the impact of your work wherever possible (e.g., "improved load time by X%", "reduced error rate by Y%," "increased user engagement by Z%").

• Storytelling: Frame your projects as stories that illustrate your problem-solving approach, technical skills, and ability to deliver value.

📝 Enhancement Note: When preparing for interviews, operations candidates should think about how their role intersects with UI development. For example, how can they provide user feedback that informs UI improvements, or how can they leverage UI analytics to drive operational efficiency.

📌 Application Steps

To apply for this UI Engineer position:

• Submit your application through the provided link on the uhg.taleo.net careers portal.

• Resume Optimization: Tailor your resume to highlight your experience with React, TypeScript, modern front-end patterns, accessibility, and testing frameworks. Quantify achievements with specific metrics.

• Portfolio Preparation: Curate your portfolio to showcase your strongest React/TypeScript projects, emphasizing accessibility, performance, and complex component implementation. Be ready to discuss your process and outcomes.

• Technical Practice: Review core React concepts, TypeScript features, state management (Redux Toolkit), and routing (React Router). Practice coding challenges and prepare to discuss your approach to testing and performance optimization.

• Company Research: Familiarize yourself with Optum's mission, values, and the broader healthcare technology landscape. Understand how UI engineering contributes to their goals of improving health outcomes.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions. All details should be verified directly with UnitedHealth Group before making application decisions, especially regarding specific benefits, team structure, and interview processes.