React Js Frontend Developer

NATHAN SCHWARTZ

Senior Full Stack Engineer

Crowley, TX • +1-310-***-**** • ******************@******.** • linkedin.com/in/nathanschwartz333 PROFESSIONAL EXPERIENCE

SCALEAI Crowley, TX

Senior Frontend Developer 2023.6 – Present

● Built and maintained a scalable SaaS application using React.js and Angular.js, ensuring consistent and reliable performance for high-traffic use cases.

● Improved frontend performance by reducing page load time by 25% and time-to-interactive by 40%, enhancing the user experience for 8,000+ active users.

● Optimized data handling, caching strategies and implemented lazy loading, leading to a 50% reduction in server load and improved application scalability during peak traffic.

● Utilized Tailwind CSS to rapidly build and maintain a consistent, responsive UI, reducing styling-related development time by 20%.

● Implemented Redux and NgRx for efficient global state management, improving data consistency and reducing re-renders across the application, enhancing overall performance.

● Leveraged Agile Scrum and TDD (Test Driven Development) methodology by breaking down the project into several sprints.

● Improved UI performance by identifying bottlenecks, leveraging Context API and React Hooks.

● Integrated responsive design principles and turned static web pages into dynamic ones, reducing device- specific bugs by 35%.

● Collaborated closely with product and engineering teams to streamline deployment processes and ensure smooth, zero-downtime updates.

OLIVE Crowley, TX

Fullstack Engineer 2021.6 – 2023.6

● Developed and maintained full-stack applications using React.js and Node.js, delivering scalable solutions for healthcare automation and data management.

● Designed and optimized RESTful APIs and microservices in Express.js and GraphQL, enabling seamless integration between frontend and backend components.

● Implemented database solutions with MongoDB, improving data retrieval efficiency and reducing query response times by 13%.

● Used React-Refs, Controlled and Uncontrolled components for different use cases.

● API integration using Redux-Saga and Redux-Thunk.

● Worked with Passport and JSON web tokens for authentication and authorization security configurations using Node.js.

● Led the deployment and monitoring of applications using AWS Lambda, SNS/SQS, S3, RDS/DynamoDB/Neptune, Cloud Watch, AWS CLI and Docker, enhancing system reliability and reducing downtime by 25%.

PHOTON Crowley, TX

Fullstack Engineer 2017.8 – 2021.2

● Developed and delivered multiple web applications using React.js, Angular, and Vue.js for frontend, while integrating with backend solutions in Node.js, Django, and Flask tailored to specific project requirements.

● Designed RESTful and GraphQL APIs using Express.js, SpringBoot and Apollo Server, ensuring optimal data flow and efficient client-server communication.

● Built and maintained robust CI/CD pipelines with Jenkins, Github Actions, and Docker, automating testing, containerization, and deployments, reducing release cycle time by 45%.

● Deployed applications on cloud platforms like AWS (EC2, S3, Lambda) and Google Cloud Platform (GCP), optimizing infrastructure for cost-efficiency, scalability, and high availability.

● Enhanced application performance by refactoring code, optimizing database queries in PostgreSQL and MongoDB, and implementing caching strategies using Redis, resulting in 25% improvement in load times.

● Collaborated with cross-functional teams to implement best practices in code quality, version control using Git, and agile development methodologies, ensuring consistent and reliable project delivery across all stages.

● Maintained proper documentation and ensured clean, manageable code. AMAZON Houston, TX

Frontend Developer 2016.5 – 2017.5

● Integrated real-time data visualizations using D3.js, allowing advertisers to monitor key metrics such as impressions and click-through rates, resulting in a 25% improvement in reporting accuracy.

● Developed and optimized UI components for the Advertiser Dashboard, improving page load times by 30% through code splitting, lazy loading, and asset optimization.

● Led A/B testing initiatives that reduced bounce rates by 20%, enhancing the overall user experience and driving higher ad spend retention among top-tier clients.

● Collaborated with UX designers and backend teams to implement features like campaign performance charts and budget adjustment tools, contributing to a 15% increase in user engagement.

● Utilized AWS services to enhance the performance and reliability of the frontend application, implementing AWS S3 for optimized asset delivery and AWS CloudFront, which resulted in a 40% reduction in content delivery time.

● Developed and maintained internal tools for tracking user interactions and collecting feedback, contributing to data-driven decisions that improved the product's usability and functionality. EDUCATION

University of Houston, TX 2010.9 – 2014.5

Bachelor of Science in Computer Science

SKILLS

• Programming Languages:

Javascript, Typescript, C/C++, Python, Java, HTML, CSS, SQL, C#, .NET

• Frontend Development:

React, Vue, Angular, Next, TailwindCSS, MaterialUI

• Backend Development:

Node.js, Express.js, SpringBoot, Django, FastAPI

• Database:

MySQL, PostgreSQL, MongoDB, Redis, Aurora, DynamoDB

• DevOps & Deployment:

Jenkins, Docker, GitHub Actions, AWS(EC2, S3, Lambda, ECS, EKS, API Gateway), GCP, Azure

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