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ADN Group

Backend Java Developer

On site

Chicago, United states

Senior

Freelance

20-11-2025

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Skills

Communication Teamwork Leadership Java NoSQL CI/CD DevOps Jenkins Azure DevOps Test Selenium Scrum Problem-solving Linux Databases Azure AWS Software Development Postman Agile Kafka

Job Specifications

Position: Backend Java Developer

Location: Chicago, IL 60661

Duration: 12 Months

WOrk Type: Onsite

Experience: 10+ Years

Key Responsibilities:

Design, develop, test, and deploy backend services using Java.

Independently troubleshoot and resolve complex technical issues.

Drive development initiatives aligned with business objectives.

Mentor junior engineers and support technical growth within the team.

Maintain coding standards and best software development practices.

Actively participate in Agile/Scrum ceremonies.

Provide on-call support for off-hours or weekend needs when required.

Education Required:

Bachelor’s degree in Computer Science, Electrical Engineering, or a related field.

Must-Have Skills (Non-Negotiable):

10+ years of hands-on professional software development experience.

Expert-level proficiency in Java for designing and building applications.

Strong experience deploying and maintaining applications at scale.

Proficiency with relational and/or NoSQL databases.

Hands-on experience with CI/CD tools (Jenkins, Azure DevOps, etc.).

Experience deploying software on AWS or Azure and working with cloud environments.

Strong understanding of Agile/Scrum methodologies.

Highly Desired / Preferred Skills:

Experience working with AI tools.

Knowledge of message streaming platforms (Kafka, AWS Kinesis, RabbitMQ).

Experience designing and building RESTful APIs (Swagger, Postman).

Exposure to Test-Driven Development (TDD) and tools like Cucumber, Selenium.

Familiarity with AWS services: API Gateway, Lambda, S3, CloudWatch, Aurora, DynamoDB.

Ability to debug and maintain applications in Linux/Unix environments.

Soft Skills:

Strong problem-solving and communication abilities.

Ability to work independently and manage priorities effectively.

Leadership and mentoring skills.

Passion for technology and strong teamwork mindset.

Ability to work under pressure and meet critical deadlines.

About the Company

ADN Telecom Ltd, the leading ISP, MPLS, IPLC, and IP Telephony service provider in Bangladesh, initiated its glorious journey back in 2003. It is one of the major sister concerns of “ADN Group” along with ADN Technologies Ltd, Tech Valley Networks Ltd (TVNL), InGen Technologies Ltd, and ADN EduServices Ltd. ADN Telecom was launched as a Private Limited Company and designated as the ‘Advanced Data Networks System Ltd.’ till 2012. From 2013, ADN Telecom Ltd. is marching ahead with glory with the current title. Besides offering... Know more