Senior Full-Stack Engineer: Java/Spring Boot & React

Tech Junction Ltd; Charlotte (NC); On-site; USD 120,000 - 180,000; Full time

Job summary

Sage IT in Charlotte, NC is seeking a Senior Full Stack Engineer skilled in Java, Spring Boot, and React to own end-to-end architecture and delivery. You will work on RESTful APIs, microservices, and scalable frontend systems in a collaborative, on-site setting.

You will drive design, coding, testing, and performance optimization, while mentoring junior engineers and aligning with enterprise security standards and best practices. This permanent role offers growth and enterprise exposure.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• Progressive hands-on experience in full-stack development with Java, Spring Boot, and React.
• Strong proficiency in Java, Spring Framework, Spring Boot, and microservices architecture.
• Experience with modern frontend frameworks (React, Redux, JavaScript/TypeScript, HTML5, CSS3).
• Relational databases (PostgreSQL, MySQL, Oracle) and ORM (Hibernate/JPA).
• Experience building responsive web apps, managing state, and securing REST APIs.
• Legal work authorization and ability to work on-site in Charlotte, NC.

Responsibilities

• Design, develop, test, and deploy scalable enterprise full-stack applications with Java, Spring Boot, and React.
• Architect and implement high-performance RESTful APIs and microservices.
• Optimize frontend rendering and backend query performance.
• Conduct code reviews, unit testing, integration testing, and performance profiling.
• Collaborate with product management, UI/UX design, and QA engineering teams.
• Maintain documentation, API specs, and system diagrams.
• Participate in sprint planning and architectural design discussions.
• Provide technical leadership and mentorship to junior engineers across projects.

Skills

Java

Spring Boot

React

REST APIs

Microservices

SQL/ORM

Unit testing

Code reviews

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

Jira

Confluence

ServiceNow

Jenkins

GitLab CI

Docker

Kubernetes

Job description

Sage IT in Charlotte, NC is seeking a Senior Full Stack Engineer skilled in Java, Spring Boot, and React to own end-to-end architecture and delivery. You will work on RESTful APIs, microservices, and scalable frontend systems in a collaborative, on-site setting.

You will drive design, coding, testing, and performance optimization, while mentoring junior engineers and aligning with enterprise security standards and best practices. This permanent role offers growth and enterprise exposure.