Senior Application Engineer - Hybrid, Large-Scale Systems

About Code Squad Code Squad is a collaborative full-stack engineering team responsible for modernizing and supporting critical Secure Site experiences, including Accounts, Transaction History, Order Status, and related client workflows. The team works closely with Product, UX, Platform, and Cloud partners to deliver high-impact functionality while continuously improving architecture and reliability. Our work is highly visible and allows for ample opportunity to stand out and present to our leadership team. We are Secure Site’s junk drawer team, which has advantages and disadvantages, expect to be kept busy, but with an interesting and diverse set of work! Technology Stack & Experience Modern front-end development using React, TypeScript, and Microfrontends (MFEs) in Stencil Integration with shared UI frameworks such as AppShell and AEM Content Fragments API-driven architectures including REST and GraphQL / Supergraph concepts. Cloud-native deployment environments, primarily AWS. Observability tools including Splunk, Honeycomb, and Grafana CI/CD pipelines and automated testing practices. Modern AWS databases like DynamoDB AI assisted development using CoPilot, Claude, or similar LLM What You’ll Gain Deep experience working on large-scale, client-facing applications. Exposure to modern architecture patterns and platform integrations. Opportunities to lead initiatives and influence technical direction. A collaborative team culture that values learning, mentorship, and continuous improvement. Why Code Squad Code Squad balances serious engineering work with a supportive and inclusive team culture. Engineers are encouraged to experiment, learn, participate in hackathons and demos, and bring their full selves to work while making a real impact for clients. Core Responsibilities Provides senior level system analysis, design, development, and implementation of applications and databases. Integrates third party products. Translates technical specifications into code for complex new or enhancement projects for internal clients. Writes programs, develops code, tests artifacts, and produces reports. Employs software development techniques to ensure tests are implemented in a way that support automation. Elevates code into the development, test, and production environments on schedule. Provides follow up production support. Submits change control requests and documents. Thoroughly understands software development methodology. Thoroughly understands development architecture standards. Trains and mentors staff with less experience. Resolves elevated issues. Participates in design, code, and test inspections throughout the life cycle to identify issues. Explains technical considerations at related meetings, including those with internal clients. Performs systems analysis activities. Thoroughly understands client business functions and technology needs. Has a broad understanding of Vanguard?s technologies, tools, and applications, including those that interface with business area and systems. Interfaces with cross functional team members, and communicates systems issues at the appropriate technical level for each audience. Thoroughly understands and complies with Information Technology and Information Security policies and procedures, and verifies that deliverables meet requirements. Participates in special projects and performs other duties as assigned. Qualifications Minimum of five years related work experience, with at least one year of development experience. Undergraduate degree or equivalent combination of training and experience. 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. #J-18808-Ljbffr