Java Full Stack Developer

Kainos Innovative Solutions; Dallas (TX); On-site; USD 110,000 - 170,000; Full time

Job summary

Kainos Innovative Solutions is seeking an experienced Java Full Stack Developer to design, develop, test, and maintain scalable enterprise applications. You will work with Java/Spring Boot, REST APIs, and modern front‑end technologies to build robust, enterprise-grade software.

The role emphasizes building microservices, implementing secure coding practices, and collaborating with cross-functional teams in a fast-paced environment.

Qualifications

• Proficient in building scalable enterprise applications.
• Strong experience with Java/Spring Boot.
• Experience with microservices and RESTful APIs.
• Experience with front-end frameworks Angular or React.
• Familiar with databases and SQL.
• Experience with CI/CD and cloud is a plus.

Responsibilities

• Develop and maintain full-stack enterprise applications.
• Build scalable Java/Spring Boot microservices and REST APIs.
• Develop responsive UI components using Angular/React.
• Design and optimize database queries and data models.
• Integrate applications with third‑party systems.
• Write unit, integration, and automated tests.
• Collaborate with architects, developers, QA, DevOps, and business teams.
• Follow secure coding and software development best practices.

Skills

Java

Spring Boot

Microservices

REST APIs

Angular or React

HTML5/CSS3/JavaScript/TypeScript

SQL (Oracle/PostgreSQL/MySQL)

JPA / Hibernate

Kafka

Git

Maven/Gradle

JUnit/Mockito

Docker

Kubernetes

CI/CD (Jenkins/GitHub Actions/AzureDev

Agile/Scrum

Tools

Docker

Kubernetes

Jenkins

Git

GitHub Actions

Azure DevOps

Maven/Gradle

Job description

Job Summary

We are looking for an experienced Java Full Stack Developer to design, develop, test, and maintain scalable enterprise applications. The candidate should have strong hands‑on experience with Java/Spring Boot, REST APIs, microservices, and modern front‑end technologies.

Must-Have Skills

• Java 8/11/17+
• Spring Boot, Spring MVC, Spring Security
• Microservices architecture
• RESTful APIs
• Angular or React
• HTML5, CSS3, JavaScript, TypeScript
• SQL – Oracle / PostgreSQL / MySQL
• JPA / Hibernate
• Kafka or similar messaging technologies
• Git, Maven/Gradle
• JUnit / Mockito
• Docker and Kubernetes
• CI/CD – Jenkins, GitHub Actions, or Azure DevOps
• Agile/Scrum methodology

Responsibilities

• Develop and maintain full-stack enterprise applications.
• Build scalable Java/Spring Boot microservices and REST APIs.
• Develop responsive UI components using Angular/React.
• Design and optimize database queries and data models.
• Integrate applications with third‑party systems and APIs.
• Write unit, integration, and automated tests.
• Troubleshoot production issues and perform root‑cause analysis.
• Participate in code reviews and technical design discussions.
• Collaborate with architects, developers, QA, DevOps, and business teams.
• Follow secure coding and software development best practices.

Preferred Skills

• AWS/Azure cloud experience
• Experience with Kubernetes/OpenShift
• Redis or Elasticsearch
• Event‑driven architecture
• System design experience
• Experience working in large enterprise environments.