Java Full-Stack Developer

Compunnel, Inc.; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Compunnel, Inc. is seeking a skilled Java Full-Stack Developer with strong React experience to join our development team in New York.

The role focuses on designing, developing, testing, and maintaining scalable web applications using Java-based backends and modern frontend frameworks. You will collaborate with product managers, designers, QA engineers, and fellow developers to deliver high-quality, secure software solutions while adhering to best practices and coding standards.

Qualifications

• Proven experience building enterprise web applications in Java and React.
• Strong knowledge of Spring Boot and RESTful API design.
• Experience with relational and non-relational databases.
• Familiarity with CI/CD pipelines and cloud deployments.

Responsibilities

• Design, develop, and maintain web applications.
• Build RESTful APIs and backend services.
• Develop responsive UI with React.js.
• Write clean, documented code and perform testing.
• Ensure performance, scalability, security, and deployment support.

Skills

Team collaboration

Analytical thinking

Excellent communication

Fast learner

Tools

Java

Spring Boot

React.js

TypeScript

Redux

React Hooks

Next.js

Docker

Kubernetes

AWS

Azure

Google Cloud

Kafka

RabbitMQ

CI/CD tools

Job description

Job Summary

We are seeking a skilled Java Full-Stack Developer with strong experience in React to join our development team. The ideal candidate will be responsible for designing, developing, testing, and maintaining scalable web applications using Java-based backend technologies and modern frontend frameworks. The candidate will collaborate with product managers, designers, QA engineers, and other developers to deliver high-quality, secure, and user-friendly software solutions.

Key Responsibilities

• Design, develop, and maintain web applications using Java and Spring Boot.
• Build responsive, reusable, and high-performance user interfaces using React.js.
• Develop and integrate RESTful APIs and backend services.
• Write clean, maintainable, and well-documented code.
• Work with relational and non-relational databases such as PostgreSQL, MySQL, Oracle, or MongoDB.
• Participate in the complete software development lifecycle, including requirements analysis, design, development, testing, deployment, and support.
• Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
• Develop unit, integration, and functional tests to ensure application quality.
• Troubleshoot, debug, and resolve application issues.
• Participate in code reviews and contribute to engineering best practices.
• Optimize application performance, scalability, and security.
• Support CI/CD pipelines and cloud-based deployments where applicable.
• Stay current with emerging technologies and recommend improvements to existing systems.

Preferred Qualifications

• Experience with TypeScript, Redux, React Hooks, or Next.js.
• Familiarity with microservices architecture.
• Experience with Docker and Kubernetes.
• Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
• Experience with messaging technologies such as Kafka or RabbitMQ.
• Familiarity with Agile/Scrum methodologies.
• Experience with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
• Understanding of application security best practices.