UI Engineer (with strong React)

📍 Job Overview

Job Title: UI Engineer (with strong React)

Company: Computer Task Group, Inc

Location: Phoenix, Arizona, United States

Job Type: CONTRACTOR

Category: Front-End Development / UI Engineering

Date Posted: 2026-04-22T14:42:00

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Develop and maintain high-performance, responsive user interfaces using React.js and modern JavaScript (ES6+).

• Integrate backend services and RESTful APIs to deliver dynamic and data-driven web applications.

• Contribute to the front-end architecture and development of a oneApp-based application, ensuring scalability and maintainability.

• Collaborate effectively within cross-functional teams in an Agile/Scrum development environment to deliver high-quality software solutions.

• Optimize web applications for maximum speed, scalability, and cross-browser compatibility, adhering to best practices in UI engineering.

📝 Enhancement Note: While the original posting mentions "UI Engineer," the detailed responsibilities and required skills, particularly the emphasis on React.js, API integration, and front-end architecture, strongly indicate a specialized front-end development role focused on building user-facing applications. The mention of "oneApp-based architecture" suggests a potential need for familiarity with a specific internal or proprietary framework, or a micro-frontend approach.

📈 Primary Responsibilities

• Design, develop, and implement reusable, efficient, and well-documented UI components using React.js.

• Translate UI/UX designs and wireframes into high-quality, production-ready code, ensuring adherence to design specifications and accessibility standards.

• Implement robust API integrations to facilitate seamless data flow between the front-end and backend services.

• Actively participate in the architectural design and technical decision-making processes for the front-end of the oneApp application.

• Conduct thorough code reviews to ensure code quality, maintainability, and adherence to team standards.

• Troubleshoot and debug complex UI issues, identifying root causes and implementing effective solutions.

• Optimize application performance by identifying and addressing bottlenecks related to rendering, data fetching, and client-side logic.

• Engage in Agile ceremonies, including sprint planning, daily stand-ups, sprint reviews, and retrospectives, contributing to continuous process improvement.

• Stay abreast of emerging front-end technologies and best practices, evaluating their potential application to enhance the product.

• Collaborate closely with UI/UX designers, product managers, and backend engineers to ensure a cohesive and user-centric product experience.

📝 Enhancement Note: The original job description's "Key Responsibilities" are expanded to provide more granular detail expected of a mid-to-senior level UI Engineer, emphasizing code quality, architectural contribution, and performance optimization, which are critical in modern front-end development roles.

🎓 Skills & Qualifications

Education: Bachelor’s degree in Computer Science, Information Technology, or a closely related field. Equivalent practical experience will also be considered.

Experience: Minimum of 5 years of professional experience in UI/front-end development, with a strong emphasis on building complex web applications.

Required Skills:

• Extensive hands-on experience with React.js and its core principles.

• Proficiency in modern JavaScript (ES6+) and its associated features and best practices.

• Proven experience integrating RESTful APIs and consuming backend services effectively.

• Solid understanding and practical application of HTML5, CSS3, and responsive design techniques to ensure compatibility across various devices and screen sizes.

• Experience with state management libraries such as Redux or the Context API for managing application state.

• Proficiency in version control systems, particularly Git, and familiarity with branching and merging strategies.

• Experience with front-end build tools and package managers like Webpack, npm, and Yarn.

Preferred Skills:

• 5+ years of dedicated UI/front-end development experience.

• Experience working within microservices or API-driven architectures.

• Prior hands-on experience in Agile/Scrum methodologies and development lifecycles.

• Familiarity with testing frameworks (e.g., Jest, React Testing Library) for unit and integration testing.

• Understanding of web accessibility standards (WCAG) and experience implementing accessible UIs.

• Knowledge of UI/UX principles and best practices.

• Experience with performance monitoring and optimization tools.

📝 Enhancement Note: Based on the "5+ years" mentioned in preferred qualifications and the nature of the responsibilities, an experience range of 5-10 years is inferred. The "oneApp" mention is interpreted as potentially referring to a specific framework or a micro-frontend architecture, thus requiring familiarity with modern front-end patterns.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 complex React.js projects demonstrating proficiency in component-based architecture, state management, and API integration.

• Include case studies detailing the problem, your approach, key technical challenges overcome, and the impact of your UI solutions, with a focus on user experience improvements and performance gains.

• Provide links to live applications or well-documented GitHub repositories that highlight your clean code, efficient development practices, and responsive design implementation.

• Demonstrate experience with integrating various backend services and handling asynchronous operations within the UI.

Process Documentation:

• Explain your approach to translating design mockups into functional code, including any tools or processes used for design handoff and implementation.

• Document your strategy for optimizing front-end performance, including techniques for reducing load times, improving rendering speed, and ensuring smooth user interactions.

• Outline your experience with version control workflows (e.g., Gitflow) and how you manage code changes and collaboration in a team environment.

• Describe your process for debugging and troubleshooting UI issues, including the tools and methodologies employed.

• Detail your experience with Agile development processes, including how you contribute to sprint planning, task estimation, and retrospective feedback.

📝 Enhancement Note: For UI Engineer roles, a portfolio is crucial. This section details what would be expected in such a portfolio, focusing on practical application of React, performance, and architectural contributions, aligning with the responsibilities outlined.

💵 Compensation & Benefits

Salary Range: We estimate the annual salary for this contract role to be between $100,000 - $130,000 USD. This range is based on industry benchmarks for UI Engineers with 5-10 years of experience in Phoenix, Arizona, considering the contract nature of the position and the required skill set in React.js and related technologies.

Benefits: As a contractor through CTG, you may be eligible for the following benefits:

• Health, dental, and vision insurance options.

• Paid time off and holidays (subject to contract terms).

• 401(k) retirement savings plan options.

• Access to CTG's professional development resources and training programs.

• Potential for contract extension or conversion to a permanent role based on performance and business needs.

Working Hours: Standard full-time hours, approximately 40 hours per week. The specific daily schedule can be discussed and may offer some flexibility within business operational needs.

📝 Enhancement Note: The original posting does not specify salary. A competitive range for a UI Engineer with the specified experience and location (Phoenix, Arizona) has been estimated based on market data for similar contract roles. Benefits are inferred based on typical offerings for contractors through staffing agencies like CTG.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology and Services, Staffing and Recruiting. CTG, as a Cegeka company, focuses on delivering IT and business solutions to enhance clients' digital agility.

Company Size: CTG (with Cegeka) has over 9,000 team members globally, operating across the Americas, Europe, and India. This large size suggests robust internal processes and a wide range of client engagements.

Founded: CTG has over 60 years of experience, indicating a long-standing presence and deep expertise in the IT services sector.

Team Structure:

• The UI Engineering team is likely part of a larger IT solutions delivery unit within CTG, working on client-specific projects.

• This role operates within an Agile/Scrum framework, implying a collaborative and iterative team structure with cross-functional members.

Methodology:

• Agile/Scrum: Emphasizes iterative development, continuous feedback, and cross-functional collaboration.

• Client-centric: Focus on delivering tailored IT and business solutions that meet specific client needs and enhance their digital agility.

• Technology-driven: Leveraging modern technologies and best practices to build scalable and innovative applications.

Company Website: https://www.ctg.com/

📝 Enhancement Note: Information about CTG and its parent company Cegeka is synthesized from the provided company description to contextualize the role within a large, established IT services organization. The team structure and methodology are inferred from the job requirements (Agile, cross-functional collaboration).

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-to-senior level UI Engineer. It requires significant hands-on technical expertise in React.js and front-end development, along with the ability to contribute to architectural discussions and collaborate effectively within an Agile team. The emphasis on 5+ years of experience, integration of APIs, and contribution to architecture points beyond a junior role.

Reporting Structure: As a contractor, you will likely report to a CTG-assigned technical lead or project manager, who will interface with the client's project management team. Within the client's project, you will collaborate closely with other developers, designers, and product owners.

Operations Impact: The UI Engineer directly impacts the user experience and functionality of web applications. Through well-built interfaces and efficient integrations, this role influences user adoption, customer satisfaction, and the overall digital presence and effectiveness of the client's business.

Growth Opportunities:

• Skill Specialization: Deepen expertise in React.js, explore advanced state management patterns, or specialize in front-end performance optimization.

• Architectural Contribution: Progress to roles where you have more influence on front-end architecture, design patterns, and technology selection.

• Cross-functional Learning: Gain exposure to backend technologies and cloud platforms through collaboration with other engineering teams.

• Leadership Potential: For exceptional performance, opportunities may arise for technical leadership within client projects or potential conversion to a full-time role with CTG or the client.

📝 Enhancement Note: The career level is inferred from the experience requirements and the scope of responsibilities. Growth opportunities are framed within the context of a contract role at an IT services firm and industry standard progression paths for UI Engineers.

🌐 Work Environment

Office Type: This is an on-site role in Phoenix, Arizona. The specific work environment will be at the client's office location, which typically involves a professional office setting designed for collaborative work.

Office Location(s): Phoenix, Arizona (Postal Code: 85001). This location offers access to a significant tech talent pool and business network within the region.

Workspace Context:

• Collaborative Environment: Expect a dynamic office space designed to foster collaboration among team members, with access to meeting rooms and shared workspaces.

• Technology & Tools: You will likely have access to standard office equipment, high-speed internet, and potentially company-provided development machines or BYOD (Bring Your Own Device) policies that meet security requirements. Access to necessary software licenses and development tools will be provided.

• Team Interaction: Frequent interaction with your immediate development team, including other engineers, designers, and project leads, is expected. Opportunities for informal knowledge sharing and problem-solving sessions will be part of the daily routine.

Work Schedule: The role is full-time, approximately 40 hours per week. While standard business hours are expected, there may be some flexibility regarding daily start and end times, subject to client and team needs, and the requirements of Agile sprint work.

📝 Enhancement Note: The "On-site" status and Phoenix location are used to describe the typical work environment for such a role. Assumptions are made about typical office settings and collaboration dynamics in client-facing IT projects.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter from CTG will likely conduct an initial phone screen to assess your qualifications, experience, and interest in the role. Be prepared to discuss your

React.js expertise and relevant project experience.

• Technical Interview(s): Expect one or more technical interviews, which may include:

  • A deep dive into your React.js knowledge, including component lifecycle, state management, hooks, and performance optimization.
  • Coding challenges (live coding or take-home) focusing on JavaScript, React, and problem-solving.
  • Discussions about API integration strategies and experience.
  • Architectural design questions related to front-end applications.

• Portfolio Review: Be ready to walk through your portfolio, explaining your contributions, technical decisions, and the impact of your projects. Focus on projects that best showcase your React.js skills and front-end architecture experience.

• Cultural Fit/Team Interview: You may meet with potential team members or a hiring manager to assess your fit with the team's working style and the client's culture.

• Final Offer: If successful, CTG will extend a contract offer.

Portfolio Review Tips:

• Curate Selectively: Choose projects that best demonstrate your proficiency with React.js, modern JavaScript, API integration, and responsive design. Highlight projects that align with the "oneApp" architecture if possible.

• Quantify Impact: For each project, clearly articulate the problem you solved, your specific role and contributions, the technologies used, and the measurable outcomes (e.g., improved performance by X%, reduced load time by Y seconds, increased user engagement).

• Code Quality: Ensure any shared code (e.g., GitHub) is clean, well-commented, and follows best practices.

• Storytelling: Be prepared to walk through your projects, explaining your thought process, design decisions, and technical challenges overcome. Frame your contributions in terms of business value.

Challenge Preparation:

• React.js Fundamentals: Brush up on core React concepts, including hooks, context API, component composition, performance optimization techniques (e.g., memoization, lazy loading), and state management patterns.

• JavaScript Proficiency: Review modern JavaScript features (ES6+), asynchronous programming, and common data structures/algorithms.

• API Integration: Practice scenarios involving fetching data from RESTful APIs, handling errors, and updating the UI accordingly.

• Problem-Solving: Be ready to tackle logical puzzles or coding challenges that test your ability to break down problems and devise efficient solutions.

📝 Enhancement Note: This section provides actionable advice tailored to a UI Engineer role, emphasizing portfolio content, technical interview preparation, and specific areas to focus on given the job description's requirements.

🛠 Tools & Technology Stack

Primary Tools:

• React.js: The core JavaScript library for building user interfaces. Proficiency in its component model, hooks, and lifecycle methods is essential.

• JavaScript (ES6+): Modern JavaScript features for efficient and readable code.

• HTML5 & CSS3: For structuring and styling web content, including advanced features for layout and animation.

• State Management: Redux, Context API, or other modern state management solutions for complex applications.

• Version Control: Git is a standard requirement for code management and collaboration.

• Build Tools: Webpack, npm, Yarn for managing dependencies, bundling code, and optimizing the build process.

Analytics & Reporting:

• While not explicitly mentioned, familiarity with browser developer tools for performance profiling and debugging is crucial.

CRM & Automation:

• Not directly applicable to this UI Engineering role, but understanding how front-end applications integrate with backend systems, which may include CRM or other business applications, is valuable.

• Familiarity with CI/CD pipelines (e.g., Jenkins, GitLab CI) for automated deployments could be a plus.

📝 Enhancement Note: This section lists the core technologies and tools mentioned or implied in the job description, providing context for their use in a UI Engineering role.

👥 Team Culture & Values

Operations Values:

• Collaboration: Strong emphasis on working effectively with cross-functional teams (designers, backend engineers, product managers) in an Agile environment.

• Quality & Craftsmanship: Commitment to writing clean, maintainable, and performant code, translating UI/UX designs into high-fidelity implementations.

• Continuous Improvement: Embracing Agile principles to iteratively refine processes, code, and product features.

• Problem-Solving: A proactive approach to identifying and resolving technical challenges in UI development and API integration.

• Client Focus: Delivering solutions that meet client needs and contribute to their business objectives.

Collaboration Style:

• Agile Teamwork: Expect a highly collaborative environment where team members regularly communicate, share knowledge, and provide feedback through daily stand-ups, code reviews, and sprint retrospectives.

• Cross-Functional Interaction: Close working relationships with UI/UX designers to ensure accurate implementation of designs, and with backend engineers to facilitate seamless API integration.

• Open Communication: An environment that encourages open discussion of ideas, challenges, and solutions, fostering a culture of shared responsibility and collective problem-solving.

📝 Enhancement Note: The culture and values are inferred from the company's description (CTG as a solutions provider), the job requirements (Agile, collaboration), and the typical expectations for a UI Engineer role in a professional services environment.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Integrations: Seamlessly integrating with potentially diverse and evolving backend APIs, ensuring data consistency and error handling.

• Performance Optimization: Maintaining high performance and responsiveness across different browsers and devices, especially as application complexity grows.

• Bridging Design & Development: Accurately translating intricate UI/UX designs into functional, pixel-perfect code while adhering to technical constraints.

• Adapting to oneApp Architecture: Understanding and contributing effectively to a potentially unique or proprietary "oneApp" architecture, which may require a learning curve.

• Contract Duration: Managing project scope and deliverables within the defined 12-month contract period.

Learning & Development Opportunities:

• Advanced React Techniques: Opportunities to master advanced React patterns, state management strategies, and performance tuning.

• Exposure to Backend/Architecture: Gaining insights into backend systems and contributing to front-end architectural decisions.

• Agile Methodologies: Deepening practical experience with Agile/Scrum processes and best practices.

• Client Project Diversity: Working on varied client projects can expose you to different industries and business problems, broadening your experience.

• Professional Development: CTG may offer access to training, workshops, or resources to enhance your technical skills.

📝 Enhancement Note: Challenges are identified based on common difficulties in UI engineering roles, particularly those involving API integration and new architectures. Growth opportunities are framed within the context of skill development relevant to the role and the IT services industry.

💡 Interview Preparation

Strategy Questions:

• "Describe a challenging UI component you built with React. What were the technical hurdles, and how did you overcome them?" (Focus on clear explanation of problem, solution, and impact.)

• "How would you ensure a React application is performant and scalable? Discuss specific techniques you've used." (Prepare to talk about rendering optimization, code splitting, memoization, etc.)

• "Walk me through your process for integrating a new RESTful API into a React application. What are the key considerations?" (Detail error handling, data fetching, state updates, and testing.)

Company & Culture Questions:

• "What do you know about CTG and its services? How do you see your skills contributing to client solutions?" (Research CTG's website and Cegeka's offerings.)

• "How do you approach collaboration within an Agile/Scrum team? Describe your role in sprint ceremonies." (Highlight teamwork, communication, and adherence to Agile processes.)

Portfolio Presentation Strategy:

• Project Selection: Choose 2-3 projects that are most relevant to the job description (strong

React, API integration, responsive design).

• Narrative Structure: For each project, present:

  1. The Problem: What business or user challenge did the project address?
  2. Your Role: What were your specific contributions and responsibilities?
  3. The Solution: What technologies and approaches did you use (especially React features)? Highlight key technical decisions.
  4. The Impact: What were the measurable results or benefits?

• Technical Deep Dive: Be prepared to answer detailed questions about your code, design patterns, and technical choices.

• Focus on "Why": Explain the rationale behind your decisions, not just what you did, but why you did it that way.

📝 Enhancement Note: Interview preparation advice is tailored to the specific role of a UI Engineer, covering technical questions related to React and front-end development, as well as behavioral questions about teamwork and company fit.

📌 Application Steps

To apply for this UI Engineer position:

• Submit your application directly through the CTG careers portal using the provided requisition link.

• Portfolio Customization: Prepare and tailor your resume and portfolio to highlight your most relevant React.js projects, API integration experience, and contributions to front-end architecture. Quantify achievements wherever possible.

• Resume Optimization: Ensure your resume clearly outlines your years of experience, specific skills in React.js, JavaScript (ES6+), HTML5, CSS3, state management (Redux/Context), and familiarity with build tools and Git.

• Interview Preparation: Practice answering common UI engineering interview questions, focusing on explaining your thought process, technical decisions, and project impact. Prepare to walk through your portfolio with confidence.

• Company Research: Familiarize yourself with CTG's services, their parent company Cegeka, and their approach to delivering IT solutions. Understand their commitment to digital agility and client partnerships.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.