Senior Full Stack Developer - Next.js/Java

Insight Global; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Insight Global is seeking a Senior Full Stack Developer to build modern customer-facing web applications, with emphasis on scalable frontend using Next.js and robust backend in Java. You will shape digital experiences across devices and integrate APIs.

The role splits roughly 60/40 between frontend and backend work, collaborates with product and design teams, and participates in Agile ceremonies while upholding coding standards and deployment practices.

Qualifications

• 5+ years of full stack development experience.
• Strong proficiency with Next.js and Java.
• Experience integrating RESTful APIs with frontend applications.
• Strong understanding of responsive design principles and modern web architecture.
• Familiarity with CI/CD pipelines, source control systems, and automated deployment practices.
• Strong debugging, troubleshooting, and problem-solving skills.

Responsibilities

• Allocate about 60% of time to frontend development and 40% to backend development.
• Build reusable UI components and scalable architecture.
• Collaborate with product owners, UX/UI designers, developers, and stakeholders to translate requirements into solutions.
• Integrate frontend applications with APIs and backend services.
• Support packaging, build management, deployment processes, and CI/CD pipelines.
• Optimize performance, accessibility, and responsiveness across desktop, tablet, and mobile devices.
• Troubleshoot production issues, debug defects, and implement enhancements.
• Participate in Agile ceremonies (sprint planning, standups, retrospectives, reviews).
• Contribute to coding standards, best practices, documentation, and architectural decisions.
• Evaluate and implement modern web development technologies to improve scalability and maintainability.
• Partner with cross-functional teams to support broader digital initiatives.

Skills

Full stack development

Next.js

Java

REST APIs

Responsive design

CI/CD

Debugging

Tools

Git

CI/CD

Job description

• 5+ years of experience in full stack software development.
• Strong proficiency with Next.js and Java
• Experience integrating RESTful APIs and backend services with frontend applications.
• Strong understanding of responsive design principles and modern web application architecture.
• Familiarity with CI/CD pipelines, source control systems, and automated deployment practices.
• Strong debugging, troubleshooting, and problem-solving skills.

Preferred

• Experience building and supporting large-scale, customer-facing web applications.
• Knowledge of web accessibility standards and performance optimization techniques.
• Experience with cloud-based environments and modern deployment practices.
• Exposure to eCommerce, digital customer experience, or marketing technology platforms.
• Experience contributing to technical architecture and frontend best practices.

Overview

We are seeking a Senior Full Stack Developer to support the development, enhancement, and maintenance of modern customer-facing web applications. This role will focus on building scalable, high-performance digital experiences that improve customer engagement and support a growing suite of web-based platforms.

The ideal candidate will have strong experience across both frontend and backend development, with a primary emphasis on Next.js and modern frontend technologies while also contributing to backend services built in Java.

Key Responsibilities

• Spend approximately 60% of time on frontend development and 40% on backend development.
• Build reusable UI components and scalable application architecture to support future growth and maintainability.
• Collaborate with product owners, UX/UI designers, developers, and business stakeholders to translate requirements into intuitive digital solutions.
• Integrate frontend applications with APIs and backend services to deliver seamless user experiences.
• Support application packaging, build management, deployment processes, and CI/CD pipelines.
• Optimize application performance, accessibility, and responsiveness across desktop, tablet, and mobile platforms.
• Troubleshoot production issues, debug defects, and implement enhancements to improve application stability and usability.
• Participate in Agile ceremonies including sprint planning, backlog refinement, daily standups, retrospectives, and code reviews.
• Contribute to coding standards, development best practices, technical documentation, and architectural decisions.
• Evaluate and implement modern web development technologies and practices to improve scalability, maintainability, and performance.
• Partner with cross-functional technology teams to support broader digital initiatives and platform integrations.