The Principal Engineer, VaiDA Mobile Experience will help bring Vertex’s AI experience tool, VaiDA, to life through intuitive, high-quality mobile experiences that make AI accessible wherever work happens. This role will design and develop secure, performant, and user-friendly mobile capabilities that connect seamlessly to Vertex’s AI and agentic platform, while also supporting existing mobile applications across Vertex. The ideal candidate combines strong mobile engineering expertise with a sharp eye for usability, polish, and responsiveness, and can translate complex AI-driven functionality into clear, elegant mobile interactions. This person will play a key role in making VaiDA a trusted and valuable everyday companion for Vertex employees., * Design, build, test, and maintain high-quality mobile applications and features for the VaiDA experience

• Own the technical direction and architecture for VaiDA mobile experiences

• Translate AI-driven capabilities into clear mobile workflows that are easy to use and understand

• Integrate mobile applications with Vertex’s AI and agentic platform, APIs, and enterprise systems

• Ensure mobile solutions are secure, scalable, reliable, and optimized for performance

• Collaborate closely with product managers, designers, AI engineers, backend developers, and platform teams to deliver seamless end-to-end experiences

• Champion mobile usability, accessibility, and design best practices across the VaiDA experience

• Troubleshoot, debug, and resolve issues to improve application stability and user satisfaction

• Define and uphold code quality, testing standards, and release processes for mobile applications

• Continuously evaluate new mobile technologies, frameworks, and development practices to improve product quality and delivery speed

• Support the ongoing enhancement of VaiDA as a trusted daily tool for employees across the organization

• Support the operational management of additional Vertex mobile applications, including certificate signing, provisioning, and developer account administration

• Coordinate mobile application deployments and updates through enterprise distribution platforms, including Microsoft Intune, and ensure apps remain compliant with certificate and release requirements, In this Hybrid-Eligible role, you can choose to be designated as: 1. Hybrid: work remotely up to two days per week; or select 2. On-Site: work five days per week on-site with ad hoc flexibility.

Note: The Flex status for this position is subject to Vertex’s Policy on Flex @ Vertex Program and may be changed at any time.

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience

• Experience developing and delivering mobile applications in a professional environment

• Strong understanding of mobile application architecture, design patterns, and development best practices

• Experience building secure, performant, and responsive mobile features

• Ability to create intuitive and user-friendly experiences with strong attention to detail and design quality

• Experience integrating mobile applications with backend services, APIs, and enterprise platforms

• Strong problem-solving skills and ability to work in a collaborative, cross-functional team environment

• Excellent written and verbal communication skills

• Commitment to building high-quality products that prioritize usability, reliability, and trust

Technical Skills Required

• Mobile application development

• Native iOS and Android development

• API integration

• Secure mobile development practices

• Performance optimization

• Responsive UI development

• Mobile application testing and debugging

• Version control systems

• Experience submitting and maintaining mobile apps on both iOS and Android platforms

• Collaboration with AI, backend, and platform services

• Mobile application signing, provisioning, and release management

• Enterprise mobile deployment coordination through platforms such as Microsoft Intune

Preferred Skills

• Experience building AI-enabled or conversational mobile applications

• Familiarity with enterprise mobile application development

• Experience designing mobile experiences for productivity, assistant, or workflow tools

• Understanding of accessibility standards and inclusive design principles

• Exposure to agentic platforms, intelligent assistants, or modern AI integration patterns

• Experience working in agile product development environments

• Strong sense of product quality, visual polish, and interaction design, Vertex is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person’s race, color, sex, gender identity or expression, age, religion, national origin, ancestry, ethnicity, disability, veteran status, genetic information, sexual orientation, marital status, or any characteristic protected under applicable law. Vertex is an E-Verify Employer in the United States. Vertex will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law. Any applicant requiring an accommodation in connection with the hiring process and/or to perform the essential functions of the position for which the applicant has applied should make a request to the recruiter or hiring manager, or contact Human Resources at ApplicationAssistance@vrtx.com.

Vertex offers a competitive and comprehensive rewards package designed to support employees’ health, well-being, growth, and success. Benefits may include:

• Competitive base salary and performance-based incentives

• Comprehensive medical, dental, and vision coverage

• Retirement savings programs

• Paid time off and company holidays

• Parental and family support benefits

• Learning and development opportunities

• Employee wellness programs

• Collaborative and mission-driven work environment

• Opportunities to work on innovative technologies that support business transformation and scientific progress

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Pay Range: $166,640 - $250,000

Disclosure Statement:

The range provided is based on what we believe is a reasonable estimate for the base salary pay range for this job at the time of posting. This role is eligible for an annual bonus and annual equity awards. Some roles may also be eligible for overtime pay, in accordance with federal and state requirements. Actual base salary pay will be based on a number of factors, including skills, competencies, experience, and other job-related factors permitted by law.

At Vertex, our Total Rewards offerings also include inclusive market-leading benefits to meet our employees wherever they are in their career, financial, family and wellbeing journey while providing flexibility and resources to support their growth and aspirations. From medical, dental and vision benefits to generous paid time off (including a week-long company shutdown in the Summer and the Winter), educational assistance programs including student loan repayment, a generous commuting subsidy, matching charitable donations, 401(k) and so much more.