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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Developer - **Company:** Vanguard - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Adobe InDesign, Agile Methodology, Amazon Web Services, Amazon S3, Confluence, JIRA, Cyber Security, Databases, Continuous Integration, Software Debugging, Amazon DynamoDB, Github, Design of User Interfaces, Identity and Access Management, Systems Analysis, Python (Programming Language), Node.Js, Performance Tuning, Amazon Simple Notification Service (SNS), Software Engineering, Systems Integration, TypeScript, Test-Driven Development (TDD), Spring-boot, Cloudformation, AngularJS, Information Technology, AWS Fargate, Apache Kafka, Functional Programming, Amazon Simple Queue Service (SQS), Splunk, Api Management - **Published:** August 26, 2026 - **Apply:** http://www.vanguardjobs.com/job/23759463/senior-full-stack-developer-philadelphia-pa/?utm_medium=%22mcloud%2Djobads%22&utm_campaign=Technology&utm_content=Senior%20Full%20Stack%20Developer&utm_term=181658 ## About the Role * Minimum of five years related work experience, with at least one year of development experience. * Undergraduate degree or equivalent combination of training and experience. * Knowledge of Agile, Confluence, JIRA; aptitude for continuous process improvement for process flows/workflows. * Excellent communication and collaboration skills to work with cross-functional teams. * Expertise in UI Development, server-side development, system integration, and API management; optimization, debugging, and performance tuning. * Must-have skills: Angular, Node JS, Typescript, Java, Spring Boot, Python, Github, CI/CD, TDD/BDD, AWS, CloudFormation, ECS, Fargate, S3, Lambda, IAM, SNS, SQS, Kafka * Nice-to have skills: * Github Workflow, DynamoDB, Splunk, Honeycomb, Stencil, AWS Bedrock, Arize, Claude * Experience mentoring engineers, whether formal or informal, is welcomed though not required. This may include onboarding new hires, leading knowledge-sharing sessions, or acting as a technical resource for the team. ## Description Provides advanced level system analysis, design, development, and implementation of applications and databases, under general direction. Core Responsibilities 1. Provides senior level system analysis, design, development, and implementation of applications and databases. Integrates third party products. 2. 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. 3. Elevates code into the development, test, and production environments on schedule. Provides follow up production support. Submits change control requests and documents. 4. Thoroughly understands software development methodology. Thoroughly understands development architecture standards. Trains and mentors staff with less experience. Resolves elevated issues. 5. 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. 6. 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. 7. Interfaces with cross functional team members, and communicates systems issues at the appropriate technical level for each audience. 8. Thoroughly understands and complies with Information Technology and Information Security policies and procedures, and verifies that deliverables meet requirements. 9. 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