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Senior Mobile Engineer

2 days ago Malvern, PA

What You'll Do

  • Design, develop, and maintain high-performance, scalable mobile application features.
  • Partner with product managers, designers, engineers, and platform teams to deliver intuitive, high-quality mobile experiences.
  • Continuously improve application performance, responsiveness, reliability, and maintainability.
  • Translate stories into design & code. Develop well-engineered code and test artifacts backed by automated tests.
  • Elevate code into the development, test, and production environments on schedule. Provide follow-up production support. Submit change control requests and documents.
  • Provide subject matter expertise in software development methodology and development architecture standards. Mentor staff with less experience.
  • Effectively communicate technical issues in a manner all can understand.
  • Research and employ contemporary software development techniques to ensure quality and improve velocity of the team.
  • Understand and comply with Information Technology and Information Security policies and procedures; verify that deliverables meet requirements.

Required Qualifications

  • Minimum of eight years related work experience, with at least two years of software development experience.
  • Undergraduate degree or equivalent combination of training and experience; graduate degree preferred.
  • Experience designing and developing cross-platform applications with React Native.
  • Experience building cloud-native applications and services using AWS and serverless technologies.
  • Experience integrating native iOS capabilities, Apple frameworks, and third-party SDKs within React Native applications.
  • Advanced knowledge of JavaScript and TypeScript. Experience building maintainable, type-safe codebases.
  • Ability to learn new technologies quickly and demonstrate a hands-on understanding.
  • Strong understanding of design patterns, integration patterns/practice, data modeling principles and best practices
  • A good track record of project delivery for large cross-team projects
  • Strong communication skills and the ability to connect with engineers, managers, PMs, customers
  • Experience with Mobile/Web development frameworks, and micro-service architecture

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Preferred Skills

  • Demonstrated experience with software engineering fundamentals including object-oriented design, data structures, dependency injection, testable code, and algorithms
  • Experience with Expo and modern React Native development practices.
  • CI/CD Pipeline (GitHub Actions / Fastlane)
  • Git (GitHub)
  • Honeycomb
  • Splunk

Special Factors

Sponsorship
Vanguard is not offering visa sponsorship for this position.

About Vanguard

At Vanguard, we don't just have a mission-we're on a mission.

To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best.

How We Work

Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience.

Client-provided location(s): Malvern, PA
Job ID: Vanguard-181186
Employment Type: FULL_TIME
Posted: 2026-09-03T21:56:36

Perks and Benefits

  • Health and Wellness

    • FSA
    • HSA
    • Health Reimbursement Account
    • Fitness Subsidies
    • On-Site Gym
    • HSA With Employer Contribution
    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • Mental Health Benefits
    • Virtual Fitness Classes
    • Pet Insurance
  • Parental Benefits

    • Non-Birth Parent or Paternity Leave
    • Birth Parent or Maternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Company Outings
    • Commuter Benefits Program
    • Casual Dress
    • Happy Hours
    • Snacks
    • Some Meals Provided
    • On-Site Cafeteria
  • Vacation and Time Off

    • Personal/Sick Days
    • Paid Holidays
    • Paid Vacation
    • Volunteer Time Off
    • Leave of Absence
  • Financial and Retirement

    • Relocation Assistance
    • Performance Bonus
    • 401(K) With Company Matching
    • 401(K)
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Tuition Reimbursement
    • Internship Program
    • Lunch and Learns
    • Leadership Training Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Employee Resource Groups (ERG)

Company Videos

Hear directly from employees about what it is like to work at Vanguard.