Senior Full-Stack Engineer — Enterprise Web Apps (React/Java)

The Vanguard Group; Malvern (Chester County); Hybrid; USD 120,000 - 190,000; Full time

Job summary

Vanguard is seeking a senior software engineer in Malvern, PA area to design, build, test, and operate secure, scalable full-stack applications using React, TypeScript, or JavaScript, and Java. You’ll develop REST APIs, microservices, and integrate enterprise services while applying secure coding practices and automated testing.

The role requires at least 5 years of hands-on experience with modern web apps, cloud deployments in AWS, and strong collaboration across product, architecture,

Qualifications

• Minimum of 5 years of related work experience in enterprise app development.
• Bachelor's degree or equivalent combination of training and experience.
• Hands-on experience building modern web apps using React and TypeScript/JavaScript.
• Back-end development experience using Java or an OO language.
• Experience with REST APIs or microservices, authentication, error handling, testing, monitoring, and resiliency.

Responsibilities

• Design, develop, test, deploy, and support secure, scalable full-stack applications.
• Translate requirements into maintainable designs and production-ready code.
• Develop and integrate APIs, identity services, and enterprise solutions.
• Collaborate with product, architecture, security, engineering, and business partners.
• Provide technical guidance and mentorship while contributing hands-on engineering work.

Skills

React

TypeScript/JS

Java

REST APIs

Microservices

Relational DBs

AWS

Git/CI

Testing

Security

Education

Bachelor's degree or equivalent

Tools

Git

CI/CD pipelines

Testing frameworks

Code-quality tools

Job description

Vanguard is seeking a senior software engineer in Malvern, PA area to design, build, test, and operate secure, scalable full-stack applications using React, TypeScript, or JavaScript, and Java. You’ll develop REST APIs, microservices, and integrate enterprise services while applying secure coding practices and automated testing.

The role requires at least 5 years of hands-on experience with modern web apps, cloud deployments in AWS, and strong collaboration across product, architecture,