Lead Frontend/UI Developer

Sunnyvale, CA (Hybrid)
Engineering /
Full Time /
Hybrid
Sonatus is a well-funded, fast-paced, and fast-growing company whose technologies and software help automakers build dynamic software-defined vehicles. With two generations of solutions already on the road with a top global OEM, our vehicle and cloud software solutions are at the forefront of the digital transformation of vehicles. The Sonatus team is a talented and diverse collection of technology and automotive specialists hailing from many of the most prominent companies in their respective industries.

At Sonatus, we envision a future in which software-defined vehicles play a pivotal role. Within our dynamic environment, you have the unique opportunity to evolve and learn from industry leaders at the forefront of innovation. If you aspire to contribute to the positive impact of advancing software-defined vehicles, we invite you to be part of our journey.
The Lead Front End Engineer will lead the design, and implementation of a diverse set of applications that power the Sonatus Vehicle Platform. You will work closely with some of the best world-class software engineers towards Sonatus' distinctive value for our OEM partners, helping them benefit in a way that enables automakers to continually improve their vehicles' features and performance at any point in their lifecycle.
The perfect candidate is expected to be very hands-on but also able to lead strong UI teams.

Location-wise, candidates should already reside within the SF/Bay Area, CA region as we promote a hybrid work model with 2-3 days in office requirements (for synergy, collaboration, engagement, and camaraderie with peers and management).

Duties and Responsibilities

    • Lead the entire product lifecycle, from ideation through building, testing, deploying, monitoring, and supporting mission-critical systems.
    • Apply expertise in various programming languages, frameworks, and technologies to deliver high-quality and scalable software applications.
    • Collaborate with stakeholders to lead the design, development, and maintenance of intricate and efficient user interfaces for web applications
    • Manage project priorities, deadlines, and deliverables, showcasing technical leadership
    • Architect efficient and reusable front-end systems, actively contributing to the development of complex web applications.
    • Utilize effective verbal and written communication skills to convey complex information to diverse audiences.
    • Stay current with the latest web application techniques and programming practices.Define test cases and develop a test harness to ensure comprehensive requirement coverage.
    • Provide mentorship, enforce coding standards, conduct code reviews, and advocate for automated testing.

Qualifications and Experience

    • Master's degree in Computer Science or a related technical field or equivalent practical experience.
    • Minimum 8 years of professional experience building responsive, user-friendly web applications
    • Minimum 4 years of management experience, leading teams of at least 8-10 members
    • Demonstrated technical leadership experience, such as working as a UI architect, tech lead, or UI manager on high-impact projects.
    • Deep knowledge of web frontend frameworks such as React, and Typescript.
    • Excellent written communication skills. Your ideas, feedback, key decisions, and technical designs will be shared with other senior engineers, partners, and the company's leadership.
    • Curious, open-minded, and driven to solve complex problems.
    • Ability to self-start and work in unstructured environments, bringing projects from inception to completion.
    • Strong programming and computer science fundamentals.
    • Demonstrated ability to develop data-intensive, responsive user-facing applications.
    • Proven track record of establishing reusable code, libraries, and patterns.
    • Strong understanding of the technical feasibility of UI/UX designs.
    • Attention to detail and a keen appreciation for design and beautiful UI
    • Experience in designing scalable and resilient front-end systems.
    • Excellent debugging and troubleshooting skills, especially in a cloud environment.
    • Strong knowledge of performance optimization techniques and ensuring high-performance web applications.
    • Experience with GraphQL
Consider being part of the Sonatus team and receive the following:

Benefit Offerings includes:
- Competitive compensation and equity program
- Health care plan (Medical, Dental & Vision)
- Flexible and Dependent Care Expense program
- Retirement plan (401k)
- Life Insurance (Basic, Voluntary & AD&D)
- Unlimited paid time off per year
- Hybrid office work-arrangement/flexibility

Perk Offerings include:
- Complimentary lunches, snacks and beverages during on-site working days
- Wellness benefit allowances (towards gym membership and fitness programs)
- Internet reimbursement
- Computer Accessory Allowance

Employee Engagement Offerings:
- Departmental team building and outings
- Employee Referral Program
- Culture/Employee Satisfaction Surveys - Feedback matters!
- Peer Award Program (monthly)
- Innovative Award Program (annual)


Sonatus is a fast-paced and innovative company and are seeking team members who are passionate about making a difference. If you are ready to take your career to the next level, we highly encourage you to apply.

To all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities.