Senior Software Engineer — High-Impact, Remote-First

QuintoAndar; Rosario; Remote; ARS 91,385,000 - 137,078,000; Full time

Job summary

AgileEngine is seeking a Backend Software Engineer to build and maintain PHP-based systems powering distributed services. You will apply OOP and system design to keep APIs secure, scalable, and performant, with a hands-on approach focused on clean code and solid engineering fundamentals.

The role involves developing backend systems, APIs, and integrations, contributing to microservices, and implementing secure authentication mechanisms.

Qualifications

• Must have a Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent professional experience.

Responsibilities

• Develop and maintain backend systems, APIs, and integrations powering company products and distributed services.
• Contribute to distributed systems and microservices to support scalability and reliability.
• Apply OOP principles and solid architectural patterns for extensibility and maintainability.
• Implement and maintain secure authentication and authorization (OAuth2, JWT, RBAC).
• Optimize performance through data structures, caching, and profiling across environments.
• Debug, profile, and tune performance in multiple environments and services.
• Collaborate with Product Managers, Architects, QA, and Support to gather requirements and deliver scope.
• Participate in QA/QE testing strategies to ensure coverage of new and existing functionality.
• Follow code quality, security, and scalability standards across the lifecycle.
• Support peer code reviews and knowledge sharing.
• Maintain API specifications and implementation notes.
• Engage in engineering reviews, sprints, and cross-team demos to align on progress.
• Ensure compliance with open-source usage and third-party dependencies.

Skills

OOP

Design patterns

Algorithms

Data structures

Secure API design

Relational databases

Git

CI/CD

Containers

Communication

Ownership

Weekend migration support

Education

Bachelor's degree in Computer Science or related field

Tools

PHP

Laravel

Symfony

MySQL

PostgreSQL

Git

CI/CD

Docker

Kubernetes

AWS

Job description

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

ABOUT THE ROLE

We are looking for a Backend Software Engineer to build and maintain the PHP-based systems powering our distributed services. You will apply strong OOP and system design skills to keep APIs secure, scalable, and performant. This hands‑on role suits someone who values clean code and sound engineering fundamentals.

WHAT YOU WILL DO

• Develop and maintain backend systems, APIs, and integrations supporting company products and distributed services.
• Contribute to distributed systems and microservices that support scalability, reliability, and separation of concerns.
• Apply OOP principles and solid architectural patterns to ensure extensibility and maintainability.
• Implement and maintain secure authentication and authorization mechanisms (e.g., OAuth2, JWT, RBAC).
• Utilize data structures, algorithms, and caching strategies to optimize system performance and responsiveness.
• Conduct debugging, profiling, and performance tuning across multiple environments and services.
• Collaborate with Product Managers, Architects, QA, and Support Teams to gather requirements, define scope, and ensure successful delivery.
• Participate in testing strategies with QA/QE teams to ensure coverage of both new and existing functionality.
• Adhere to code quality, security, and scalability standards across the development lifecycle.
• Participate in peer code reviews, contributing to knowledge sharing and consistent practices.
• Maintain technical documentation, including API specifications and relevant implementation notes.
• Participate in engineering reviews, sprint ceremonies, and cross-team demos to align on progress and priorities.
• Ensure compliance with company policies regarding open-source usage and third‑party dependencies.

MUST HAVES

• Bachelor's degree in Computer Science, Software Engineering, or a related field , or equivalent professional experience.
• 2 years of backend software engineering experience , primarily in PHP production environments .
• Solid understanding of OOP, design patterns, algorithms, and data structures .
• Experience building and maintaining backend systems and service integrations.
• Proficiency in secure API design and familiarity with authentication/authorization concepts.
• Experience with relational databases (MySQL, PostgreSQL ) and backend architecture fundamentals.
• Familiarity with Git, CI/CD pipelines, and containerized environments .
• Ability to debug, optimize, and deliver reliable solutions.
• Good communication, collaboration, and documentation skills.
• Strong sense of ownership and accountability.
• Overlap with Western European Time .
• Able to assist in a situation of emergency during a weekend migration (we do not expect this to be frequent).

NICE TO HAVES

• Experience with modern PHP frameworks such as Laravel or Symfony.
• Familiarity with RESTful and GraphQL API design and frontend integration best practices.
• Experience with DevOps, container orchestration (Docker, Kubernetes), and cloud infrastructure (AWS, GCP, Azure).
• Knowledge of distributed caching, queuing, and messaging systems (e.g., Redis, RabbitMQ, Kafka).
• Exposure to observability and monitoring tools (e.g., Prometheus, ELK Stack, Datadog, OpenTelemetry).
• Understanding of asynchronous processing, event‑driven systems, and service‑to‑service communication patterns.

PERKS AND BENEFITS