Senior Backend Engineering

We´ll be happy to see your application, even if there are skills you don't quite master!

At South Geeks, we connect top LATAM engineering talent with innovative companies building impactful products worldwide. We focus on long-term partnerships, strong technical environments, and creating spaces where professionals can grow, contribute, and thrive.

Our client is a financial technology company that provides secure payment and prepaid card solutions for public sector organizations. Their platform helps government agencies replace cash and paper checks with digital payment systems, enabling efficient and transparent distribution of funds.

Senior Backend Engineer (PHP)

to help maintain and evolve a mission-critical payments platform operating at the intersection of government systems and prepaid card processing.

This role focuses heavily on backend development within a mature PHP-based platform that processes complex financial workflows. You will work with a long-lived codebase, contribute to weekly production releases, troubleshoot issues across distributed systems, and gradually help migrate portions of the system toward a Rust-based architecture.

The environment requires engineers who enjoy understanding complex domains, improving legacy systems, and building reliable infrastructure for systems that must operate with high observability and recoverability.

Senior-level experience developing backend systems in PHP, ideally within a LAMP-based architecture.

Strong experience working with MySQL and relational database design.

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.

Develop and maintain backend functionality in a PHP-based payment processing platform.

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.

Experience working with financial systems, payments, or fintech platforms.

Some JavaScript experience for occasional frontend tasks.

Experience using AI-assisted coding tools.

We promote both personal and professional development, with individualized support for your needs and goals. Long-term projects

100% remote work

Work-from-home & training reimbursement

English lessons

Technical training