Investment Systems Application Engineer - IV,- Vanguard Personalized Indexing

This role is expected to operate at a senior engineer level with hands on coding, influencing architecture, mentoring junior engineers, and driving system reliability for mission‑critical investment platforms. Core Responsibilities Backend & Platform Engineering Design and build scalable backend services and APIs supporting portfolio construction, optimization, trading, and analytics workflows Develop high‑performance, production‑grade systems using Java and/or Python with strong focus on reliability and maintainability Architect and implement microservices and event‑driven systems to support high‑volume, latency‑sensitive workloads Ensure application performance, scalability, resiliency, and cost efficiency across distributed systems Integrate internal and third‑party systems, ensuring seamless interoperability and data consistency Technical Leadership & System Design Provide senior‑level system design, architecture guidance, and technical direction across backend and platform components Lead design and code reviews, ensuring alignment with engineering standards and architectural principles Evaluate and recommend technology solutions, design patterns, and implementation approaches Anticipate system and platform risks; proactively design solutions to prevent production issues Mentor engineers and elevate technical execution across the team Investment Systems & Dom [... source excerpt omitted ...] trading lifecycle, and data pipelines Design systems that support front, middle, and back office functions while maintaining strong controls and auditability Translate business requirements into scalable technical solutions aligned with investment processes Ensure systems meet accuracy, consistency, and regulatory expectations for financial applications Cloud & Engineering Practices Build and operate cloud‑native services on AWS using containerized architectures and Kubernetes Drive adoption of CI/CD, automated testing, and infrastructure‑as‑code practices Improve observability, monitoring, and operational readiness across platform components Contribute to architectural evol [... source excerpt omitted ...] ability and quality of investment systems deliverables through rigorous testing and validation Lead and participate in design, code, and test inspections across the SDLC Support production systems, including incident response, root cause analysis, and remediation Ensure compliance with Information Technology and Information Security policies Promote continuous improvement in engineering practices, standards, and system reliability Additional Responsibilities Develop and maintain deep knowledge of Vanguard’s platform ecosystem and integration points Collaborate with cross‑functional teams and stakeholders to deliver high‑impact capabilities Participate in special initiatives