Senior Full-Stack & AI Engineer with 10+ Years Experience

ASHLEY JENNINGS

Senior Full Stack Engineer AI Engineer

********@*******.*** https://www.linkedin.com/in/ashley-jennings-4aa5b43ba/ Mesquite, TX Summary

Software Engineer with 10+ years of experience building high-performance web applications in distributed and cloud native environments using JavaScript, TypeScript, Python, and Go. Experienced in developing end-to-end full-stack systems, including responsive front-end interfaces, scalable backend services, and data- driven applications.

Strong collaborator in translating product requirements into clean, maintainable, and production-grade solutions, with a focus on performance, reliability, and usability

Skills

JavaScript, TypeScript, Python, Go React, Next.js, Vue.js, HTML5, CSS3 Node.js, Express, NestJS, FastAPI, Django PostgreSQL, MySQL, MongoDB REST, GraphQL, webhooks AWS, GCP, Docker, Kubernetes, CI/CD Git, Jest, Cypress, debugging, performance optimization Experience

CyrusOne

Senior Software Engineer AI Engineer 05/2022 - Present Designed and built full-stack web applications using React (Next.js) and Node.js (NestJS), delivering scalable features across multiple product domains.

Developed responsive, cross-browser frontend interfaces using HTML, CSS (Flexbox/Grid), and modern JavaScript patterns, ensuring accessibility and performance.

Architected backend services handling API orchestration, business logic, and data processing workflows, supporting real-time and asynchronous operations.

Designed and implemented RESTful and GraphQL APIs, enabling efficient communication between frontend, backend, and third-party systems.

Built and optimized database schemas (PostgreSQL, MongoDB), including indexing strategies and query tuning for performance. Implemented authentication and authorization systems, including role-based access and secure session handling. Integrated third-party services via APIs and webhooks, supporting external data exchange and system interoperability. Developed event-driven workflows using queues and background workers, ensuring reliable processing of asynchronous tasks. Improved performance by implementing caching strategies, lazy loading, and optimized state management, reducing latency and load times.

Participated in full SDLC lifecycle, including requirement gathering, system design, implementation, testing, and deployment. Built and maintained CI/CD pipelines, enabling automated testing, deployment, and rollback strategies. Collaborated with product managers and designers to deliver user-focused, production-ready features. Conducted code reviews and mentored engineers, improving code quality and engineering standards. American Unit, Inc

Software Engineer 03/2016 - 05/2022

Developed full-stack applications using React, TypeScript, and Node.js, delivering scalable and maintainable systems. Built reusable frontend components, improving UI consistency and development efficiency across projects. Designed backend services and APIs for data processing, validation, and integration with external systems. Implemented data models and database schemas, ensuring efficient storage and retrieval of large datasets. Integrated third-party APIs and services using REST and webhook-based communication patterns. Developed asynchronous processing systems using queues (Kafka, SQS) for handling background tasks and high-volume data. Implemented robust error handling, logging, and monitoring, improving system reliability and observability. Optimized application performance through code splitting, caching, and efficient state updates. Participated in unit and integration testing, ensuring application stability and code quality. Collaborated with cross-functional teams in agile environments, delivering features in fast paced development cycles.

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Experience

Cisco

Full Stack Engineer 06/2014 - 03/2016

Led development of full-stack applications using React, Angular, and Node.js, supporting enterprise-scale platforms. Designed and implemented modular frontend architectures, enabling reusable components and scalable UI systems. Built backend services and APIs for data ingestion, processing, and analytics workflows. Developed dashboards and visualization tools using modern frontend technologies, improving data accessibility and insights. Worked with large datasets, optimizing backend logic and queries for performance and scalability. Integrated applications with cloud services (GCP), supporting distributed system architectures. Implemented CI/CD pipelines and containerization using Docker, improving deployment efficiency and reliability. Conducted code reviews, mentored engineers, and enforced best practices in software development. Participated in system design discussions, contributing to architecture decisions and long-term scalability. Education

University of Florida

Bachelor of Computer Science 2009 - 2013

Certification

Triple byte Certification React, Algorithm and Data Structure, General Coding Logic Hackerrank Certification React, Python

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