Senior Full-Stack Engineer — Agent Tools & Cloud

Jobs in JS; Town of Oyster Bay (NY); On-site; USD 100,000 - 165,000; Full time

Job summary

Optimum in the United States is seeking a skilled Full Stack Developer to build high-impact, agent-facing applications. You’ll craft solutions for business-critical platforms and collaborate with product, UX and engineering teams to deliver performance and reliability.

You’ll work with JavaScript/TypeScript, Java/Spring Boot, cloud-based architecture, and responsive UI techniques. Strong collaboration, analytical thinking, and an AI-aware mindset are valued in this role.

Qualifications

• Bachelor’s degree or equivalent work experience.
• 3+ years of software development experience.
• Strong React/Angular/Svelte/Vue frontend and Java/Spring Boot backend skills.
• Experience with cloud-based architecture and CI/CD pipelines.

Responsibilities

• Design, develop, and maintain modern, responsive applications.
• Collaborate with UX designers, product managers, and other developers.
• Write high-quality, scalable code and add tests.
• Build features for Agent facing tools and improve user journeys.
• Ensure UI solutions meet business requirements and reliability.

Skills

JavaScript/TypeScript

REST APIs

Cloud architecture

CI/CD (GitLab)

JIRA/Confluence

Cross-browser compatibility

AI Tools mindset

Education

Bachelor’s degree or equivalent work experience

Tools

React

Spring Boot

SQL

GCP

Cloud Run

GitLab

Grafana

Splunk

Jira

Confluence

Job description

Optimum in the United States is seeking a skilled Full Stack Developer to build high-impact, agent-facing applications. You’ll craft solutions for business-critical platforms and collaborate with product, UX and engineering teams to deliver performance and reliability.

You’ll work with JavaScript/TypeScript, Java/Spring Boot, cloud-based architecture, and responsive UI techniques. Strong collaboration, analytical thinking, and an AI-aware mindset are valued in this role.