Application Engineer - II

FAST is looking for a Application Engineer II for a specialized development team working on an AI application project. This role provides a chance to collaborate with a dedicated team of data and machine learning engineers that we work with. It is a great opportunity for someone with a passion for AI and a desire to shape the future of our technological capabilities.

An overview of current team responsibilities:

• Frontend UI & middleware
• Backend API that implements SME-driven methodology & core logic for calculating a portfolio's risk profile based on structured portfolio data
• Prompt chaining within the backend API and invoking an LLM via Amazon Bedrock
• Storage and retrieval of insights using DynamoDB
• Storage and retrieval of prompt/request/response logs using S3
• Evaluation pipelines to monitor and measure LLM output on multiple dimensions
• Observability tooling for maintaining resiliency, availability, and traceability

A developer should have the following qualifications:

• Experience designing and implementing secure, production-grade RESTful APIs. Frameworks such as FastAPI or similar.
• Ability to build backend services using AWS ECS and/or serverless Lambdas, with appropriate IAM controls.
• Proficiency in translating SME-defined business logic into clean, modular, and maintainable application code.
• Full stack dev capabilities - including implementing frontend UIs (React/Angular), middleware, and managing state across the UI and backend.
• Familiarity with CI/CD pipelines for full stack deployment, including automated testing.
• Ability to design and integrate with DynamoDB for persistent data storage, including understanding Dynamo's access patterns.
• Comfortable implementing the full testing pyramid - unit tests, integration tests with mocked data, and end-to-end tests.
• Knowledge of observability practices for web services, including structured logging, metrics, traces, and alerting to support availability and reliability.
• Comfortable with auth flows, including integrating with Okta.

The current roadmap is built around leveraging hosting foundation models through Amazon Bedrock.

Our team's technical responsibilities include:

• building APIs
• responsive UIs
• integrating across services
• handling latency
• state management
• authentication flows
• data persistence.

Core Responsibilities

1. Provides intermediate level system analysis, design, development, and implementation of applications and databases. Integrates third party products.

2. Translates technical specifications into code for moderately 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.

3. Elevates code into the development, test, and production environments on schedule. Provides follow up production support. Submits change control requests and documents.

4. Follows software development methodology. Follows development architecture standards.

5. Participates in design, code, and test inspections throughout the life cycle to identify issues. Participates in systems analysis activities.

6. Understands client business functions and technology needs. Understands Vanguard's tools, technologies, and applications/databases, including those that interface with business area and systems.

7. Learns and complies with Information Technology and Information Security policies and procedures.

8. Participates in special projects and performs other duties as assigned.

Qualifications

• Minimum of three 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.

Client-provided location(s): Malvern, PA

Job ID: Vanguard-172108

Employment Type: FULL_TIME

Posted: 2025-12-12T21:01:23