Java Developer

Altezzasys - Chicago, IL

Full-time - Mid Level

Chicago, IL

About the position

This position is for an experienced Senior Full Stack Java Developer responsible for designing, developing, documenting, debugging, and testing secure software applications. The role requires expertise in both back-end and front-end development, with a focus on modern web UI platforms and cloud environments, particularly AWS.

Responsibilities

• Design, develop, document, test, and debug new and existing software systems and applications.
• Collaborate with UX professionals to evaluate, modernize, consolidate, and improve existing UIs, ensuring they meet user needs and company expectations.
• Develop applications using AWS services such as S3, SNS/SQS Event Driven Messaging, DynamoDB, and IAM.
• Write and execute unit tests using JUnit 5 and Mockito 5 to ensure robustness, including edge cases, usability, and general reliability.
• Use Docker for software packaging, allowing for efficiency and ease of deployment in production environments.
• Utilize GitHub Actions for continuous integration and continuous deployment strategies.
• Protect systems by implementing and practicing secure software development techniques, standards, and best practices.
• Troubleshoot and debug issues that arise.
• Maintain technical documentation.

Requirements

• Proven work experience as a software engineer.
• 5+ years of experience in design, development, documenting, testing, and debugging of new and existing software systems and applications with Java and Spring Boot.
• 5+ years of hands-on experience implementing AWS technologies (ECS, SNS, SQS, DynamoDB, S3, CDK/CloudFormation).
• In-depth knowledge of various web-related technologies (such as Web applications, services, architectures, etc.).
• Experience with AWS Cloud deployment and GitHub Actions workflows.
• Experience with analytic tools such as ELK Stack, Google Analytics, or AppDynamics.
• Experience with unit testing frameworks like Junit or Mockito.
• Hands-on and proficient excellence in backend development of REST and Pub/Sub Messaging applications.
• Experience working with high-performance teams in an agile development environment where continuous integration and continuous delivery (CI/CD) are critical.
• Experience with secure software development life cycle framework.
• Knowledge of security principles and familiar with code scanning tools like SonarQube, Veracode, or Wiz.
• Demonstrate knowledge of software engineering best practices such as version control, software packaging, and software release management.
• Self-motivated with strong communication skills (verbal and written) and the ability to work in a team-oriented environment.
• Strong analytical and problem-solving skills; attention to detail.