Senior Frontend UI Engineer - React, Performance & APIs

MACHINE LEARNING TECHNOLOGIES LLC; Bentonville (AR); On-site; USD 110,000 - 170,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC in Bentonville, AR seeks a Frontend UI Developer to build scalable web interfaces with ReactJS. You will work with backend teams, optimize performance, and implement RESTful APIs for robust communication. Strong JS/HTML/CSS, Node.js, Webpack, Docker, and cloud deployment experience are required for this role.

We expect 7+ years in full-stack development, proven leadership, and the ability to mentor junior engineers in a fast-moving IT environment.

Qualifications

• Proficiency in HTML, CSS, and JavaScript for frontend development.
• Expertise in frontend technologies including ReactJS and Webpack.
• Deep understanding of site speed optimization techniques and best practices.
• Experience with CSS frameworks such as Bootstrap or Foundation.
• Proficiency in managing browser storage and optimizing browser memory usage.
• Strong hold on Node.js for server-side JavaScript and associated backend development.
• Experience in designing and developing RESTful APIs for robust and secure communication between frontend and backend systems.
• Proficiency with databases, including both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB) solutions.
• Knowledge of asynchronous programming and event-driven architecture in Node.js.
• Familiarity with performance optimization techniques for backend systems to ensure high responsiveness and low latency.
• Understanding of security best practices for protecting against vulnerabilities and ensuring data integrity and privacy.
• Experience with containerization tools such as Docker and orchestration platforms like Kubernetes.
• Proficiency with version control systems (e.g., Git) and CI/CD pipelines.
• Experience with cloud-native technologies (GCP/Azure) and DevOps practices.

Responsibilities

• Develop and maintain frontend features using ReactJS and modern JS tooling.
• Collaborate with backend teams to design robust APIs and data flows.
• Optimize frontend performance to ensure fast load times and smooth UX.
• Implement responsive UI with Bootstrap/Foundation and accessibility in mind.
• Contribute to backend integration with Node.js and RESTful services.
• Manage and query SQL/NoSQL databases as needed for frontend data needs.
• Participate in CI/CD pipelines and containerized deployments with Docker/Kubernetes.
• Mentor junior developers and contribute to internal knowledge sharing.

Skills

HTML/CSS/JS

ReactJS

Webpack

Node.js

RESTful APIs

SQL/NoSQL databases

Docker/Kubernetes

Git/CI-CD

Performance optimization

Tools

PostgreSQL

MySQL

MongoDB

GCP/Azure

Job description

MACHINE LEARNING TECHNOLOGIES LLC in Bentonville, AR seeks a Frontend UI Developer to build scalable web interfaces with ReactJS. You will work with backend teams, optimize performance, and implement RESTful APIs for robust communication. Strong JS/HTML/CSS, Node.js, Webpack, Docker, and cloud deployment experience are required for this role.

We expect 7+ years in full-stack development, proven leadership, and the ability to mentor junior engineers in a fast-moving IT environment.