Full Stack Java developer

Cinergy Technology Inc.; Dallas (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

Cinergy Technology Inc. is seeking a skilled Full Stack Java Developer with strong React.js frontend expertise to join our Dallas, TX development team.

You will design, develop, and maintain scalable web applications across backend and frontend using Java Spring Boot and React.js. Collaborate with product managers, designers, and developers to translate requirements into technical solutions, write clean, tested code, and build reusable UI components.

Qualifications

• 5+ years of hands-on experience as a Full Stack Developer.
• Strong proficiency in Java, Spring Boot, and React.js.
• Solid understanding of REST APIs, JSON, and web services.
• Proficiency with Git and Agile methodologies.

Responsibilities

• Design, develop, and maintain full-stack web applications using Java (Spring Boot) on the backend and React.js on the frontend.
• Collaborate with product managers, designers, and other developers to understand requirements and translate them into technical solutions.
• Write clean, efficient, and well-documented code following best practices.
• Build reusable components and front-end libraries using React.js.
• Integrate RESTful APIs and backend services.
• Participate in code reviews, testing, and debugging.
• Ensure the performance, quality, and responsiveness of applications.
• Contribute to the continuous improvement of development processes and team collaboration.

Skills

Full Stack Developer

Java

Spring Boot

React.js

REST APIs

JSON

Agile methodologies

Education

Bachelor's degree (or equivalent)

Tools

Git

CI/CD tools

Docker

Kubernetes

JUnit

Jest

React Testing Library

PostgreSQL

MySQL

Oracle

AWS

Azure

GCP

Job description

We are looking for a skilled and experienced Full Stack Java Developer with strong front-end expertise in React.js to join our development team. The ideal candidate will be responsible for designing, developing, and maintaining scalable web applications using modern technologies across both backend and frontend.

You will collaborate with cross-functional teams to deliver high-quality software solutions in a fast-paced, agile environment.

Key Responsibilities:

Design, develop, and maintain full-stack web applications using Java (Spring Boot) on the backend and React.js on the frontend.

Collaborate with product managers, designers, and other developers to understand requirements and translate them into technical solutions.

Write clean, efficient, and well-documented code following best practices.

Build reusable components and front-end libraries using React.js.

Integrate RESTful APIs and backend services.

Participate in code reviews, testing, and debugging.

Ensure the performance, quality, and responsiveness of applications.

Contribute to the continuous improvement of development processes and team collaboration.

Required Qualifications:

5+ years of hands-on experience as a Full Stack Developer.

Strong proficiency in Java, Spring Boot, and React.js.

Solid understanding of REST APIs, JSON, and web services integration.

Proficiency with version control tools (e.g., Git).

Familiarity with CI/CD tools and Agile methodologies.

Good problem-solving and communication skills.

Preferred Qualifications:

Experience with relational databases like PostgreSQL, MySQL, or Oracle.

Exposure to cloud platforms such as AWS, Azure, or GCP.

Experience with containerization tools like Docker and orchestration with Kubernetes.

Familiarity with unit and integration testing frameworks (e.g., JUnit, Jest, React Testing Library).