Sr. Software Engineer – Legacy Java System Maintenance (AWS)

Senior Software Engineer

Location Madhapur, Hyd (Onsite)

Duration: Long Term

Salary: DOE

Job Title: Sr. Software Engineer – Legacy Java System Maintenance (AWS)

Overview

• We are seeking a highly skilled Sr. Software Engineer (Contractor) to maintain and support a
• legacy enterprise system written in Java and deployed in AWS. This critical system supports
• customer-facing services and requires a hands-on engineer who can manage defect resolution,
• perform regular maintenance tasks (such as library and dependency upgrades), and ensure
• ongoing operational stability and availability.
• This role is ideal for an experienced engineer with a strong foundation in Java, cloud
• infrastructure, and operational systems support.

Key Responsibilities

* Investigate and resolve customer-reported defects in a timely and efficient manner.

* Perform routine system maintenance, including:

o Upgrading Java versions, frameworks, and third-party libraries.

o Refactoring outdated components for stability and security.

* Monitor, troubleshoot, and ensure high availability and reliability of the system in

production.

* Collaborate with internal teams (support, operations, product) to understand issues and

propose solutions.

* Contribute to technical documentation and handoffs.

* Implement and maintain automated tests and CI/CD pipelines where possible to

support safe changes.

Required Qualifications

* 10+ years of hands-on experience with Java, including support and maintenance of legacy

codebases.

* Strong familiarity with AWS services, especially EC2, RDS, S3, CloudWatch, and IAM.

* Experience debugging production issues in distributed systems.

* Proficient in version control (Git) and working within agile or semi-structured

workflows.

* Comfortable analyzing logs, metrics, and application behavior in live environments.

* Strong communication skills and self-motivation to operate independently in a contractor

role.

Preferred Qualifications

* Experience with infrastructure-as-code (e.g., CloudFormation, Terraform).

* Familiarity with CI/CD tools like Jenkins, GitHub Actions, or CodePipeline.

* Understanding of security best practices for Java and AWS environments.

* Prior experience modernizing or migrating legacy systems

Job Types: Full-time, Contractual / Temporary
Contract length: 18 months

Pay: ₹556,460.22 - ₹1,902,103.66 per year

Experience:

• Legacy: 5 years (Required)
• Java: 10 years (Required)
• AWS: 7 years (Required)
• CI/CD: 7 years (Required)
• Git: 6 years (Required)

Work Location: In person

Expected Start Date: 01/08/2025