Senior Backend Engineer – PHP/Rust Migration

South Geeks

full-time

Posted on: 3/17/2026

Location Type: Remote

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About the role

Develop and maintain backend functionality in a PHP-based payment processing platform.
Contribute to the gradual migration of selected systems from PHP to Rust.
Troubleshoot production issues and perform data investigations when needed.
Participate in weekly production releases and help maintain stable deployment cycles.
Review code and collaborate with engineers to maintain code quality.
Support and evolve system observability through logging, monitoring, and debugging tools.
Work closely with the team to understand and maintain complex payment workflows tied to government systems.

Senior-level experience developing backend systems in PHP, ideally within a LAMP-based architecture.
Strong experience working with MySQL and relational database design.
Experience maintaining and evolving large, long-lived codebases.
Solid understanding of Unix/Linux environments and server-based application development.
Experience debugging production systems and investigating complex data or processing issues.
Familiarity with automated testing practices and maintaining large test suites.
Experience working with message queues, logging systems, or asynchronous processing.
Ability to work independently while collaborating through code reviews and technical discussions.
Strong analytical skills and ability to learn complex technical and business domains.

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

PHPRustMySQLrelational database designUnixLinuxautomated testingmessage queueslogging systemsasynchronous processing

Soft Skills

analytical skillscollaborationindependencecode reviewstechnical discussions