Senior Java Software Engineer

Atos; Phoenix (AZ); On-site; USD 120,000 - 150,000; Full time

Job summary

Atos is seeking a Java Developer with strong React.js experience to design, develop, and maintain high-performance enterprise applications. You will build scalable Java backends with Spring Boot, deliver RESTful APIs, and create dynamic front-ends with React.js.

The role involves integrating AI-powered tools and ensuring security, scalability, and quality throughout the software lifecycle. You will collaborate with architects, business analysts, and product teams in an Agile environment,

Qualifications

• Proven backend development experience with Java (8/11/17+).
• Strong frontend experience with React.js and modern UI frameworks.
• Experience building RESTful APIs and microservices.
• Familiarity with API security (OAuth2, JWT).
• Exposure to AI-assisted development tools and AI-powered workflows.

Responsibilities

• Design, develop, test, and deploy scalable enterprise applications using Java, Spring Boot, and React.js.
• Develop robust REST APIs, microservices, and integrations.
• Collaborate with architects, analysts, and product teams to deliver solutions.
• Build responsive UI with React.js and modern front-end tech.
• Integrate AI services and automation into apps; utilize AI tools for productivity.

Skills

Java

Spring Boot

React.js

REST APIs

Microservices

OO Principles

Agile/Scrum

Education

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

Tools

GitHub Copilot

Microsoft Copilot

Azure DevOps

Jenkins

GitHub Actions

Docker

Kubernetes

Job description

Atos is a global leader in digital transformation, providing end-to-end technology solutions in cloud, cybersecurity, data, artificial intelligence, digital workplace, and enterprise applications. With a strong global presence and a commitment to innovation, Atos empowers organizations to accelerate their digital transformation journey through cutting-edge technologies and sustainable business practices. Our teams work with leading enterprises worldwide, delivering impactful solutions that drive business value and operational excellence.

Experience: 4–10 Years

Location: Phoenix, AZ (Onsite)

Employment Type: Full-Time

Role Overview

At Atos, we are looking for a skilled and innovative Java Developer with strong expertise in React.js, API Development & Integration, and exposure to AI-powered development tools and solutions. The ideal candidate will be responsible for designing, developing, and maintaining high-performance enterprise applications while leveraging modern AI technologies to enhance development efficiency and business outcomes.

The candidate should possess strong backend development expertise using Java technologies, hands-on experience building modern front-end applications with React, and the ability to integrate enterprise systems through secure and scalable APIs.

Key Responsibilities

• Design, develop, test, and deploy scalable enterprise applications using Java, Spring Boot, and React.js.
• Develop robust RESTful APIs, Microservices, and system integrations.
• Collaborate with solution architects, business analysts, and product teams to deliver innovative solutions.
• Build responsive and user-friendly interfaces using React.js and modern front-end frameworks.
• Integrate AI services and intelligent automation features into enterprise applications.
• Utilize AI-assisted development tools such as GitHub Copilot, Microsoft Copilot, and Generative AI platforms to improve productivity and code quality.
• Ensure application security, scalability, performance, and maintainability.
• Participate in Agile ceremonies, technical reviews, and continuous improvement initiatives.
• Develop and maintain CI/CD pipelines and DevOps best practices.
• Troubleshoot and resolve application issues across development and production environments.

Required Technical Skills

• Strong experience in Java 8/11/17+
• Expertise in Spring Boot, Spring MVC, Spring Security
• Microservices architecture and distributed systems
• Strong understanding of object-oriented programming principles

Frontend Development

• Strong experience with React.js
• HTML5, CSS3, Bootstrap, Material UI

API & Integration

• Strong hands-on experience developing and consuming REST APIs
• API Security (OAuth2, JWT, OpenID Connect)
• Experience with API gateways and integration frameworks
• Knowledge of JSON, XML, and third-party integrations

Database & Cloud

• SQL Server, Oracle, PostgreSQL, or MongoDB
• Docker and Kubernetes knowledge preferred
• Experience using Microsoft Copilot, GitHub Copilot, ChatGPT, or similar AI-assisted development platforms.
• Understanding of Generative AI, Prompt Engineering, and AI-based automation.
• Exposure to integrating AI services such as Azure OpenAI, Azure AI Services, or other AI APIs.
• Interest in leveraging AI tools to accelerate software development, testing, and documentation activities.

Preferred Qualifications

• Experience working within Agile/Scrum environments.
• Knowledge of DevOps practices and tools such as Azure DevOps, Jenkins, GitHub Actions.
• Experience with Kafka, RabbitMQ, or event-driven architectures.
• Strong analytical, communication, and stakeholder management skills.

Education

Bachelor’s or Master’s Degree in Computer Science, Information Technology, Engineering, or a related discipline.