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

CTCMexico

Hace 9 días

Descripción del trabajo

Overview

Sr. Software Engineer – Legacy Java System Maintenance (AWS). We’re looking for a Sr. Software Engineer to keep a mission-critical, customer-facing legacy enterprise system (Java + AWS) running strong. You’ll fix bugs, upgrade dependencies, and ensure stability and availability.

Responsibilities

Handle routine maintenance like upgrading Java versions, frameworks, and libraries
Refactor outdated code for stability and security
Monitor and troubleshoot production systems (high availability is key)
Collaborate with support, operations, and product teams to solve problems
Keep technical docs and handoffs clean and clear
Build and maintain automated tests and CI / CD pipelines for safer changes

What You Bring (Required)

8+ years of Java experience, including maintaining legacy codebases

Comfortable with Git and agile / semi-structured workflows

Skilled at analyzing logs, metrics, and live app behavior

Self-motivated, independent, and a solid communicator

Bonus Points (Preferred)

Infrastructure-as-code experience (CloudFormation, Terraform)

CI / CD tool familiarity (Jenkins, GitHub Actions, CodePipeline)

Security best practices (Java + AWS)

Hands-on with modernizing or migrating legacy systems

This isn’t just maintenance — it’s about owning a system that keeps real-world services alive. If you’re the kind of engineer who loves stability, uptime, and tackling old-school challenges with modern tools, this role is calling you.

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Sr Software Engineer • Mexico