Backend PHP Lead for Scalable Microservices (Remote/Flex)

AgileEngine, LLC.; Warszawa; On-site; PLN 341,000 - 492,000; Full time

Benefits offered by this job

Professional growth

Competitive USD-based compensation

A selection of exciting projects

Flextime

Job summary

AgileEngine is seeking a Backend Software Engineer to build and maintain 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, solid architectural patterns, and collaboration with Product Managers, Architects, QA, and Support teams to deliver reliable solutions across multiple environments.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 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.

Responsibilities

• 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.

Skills

OOP principles

Design patterns

Algorithms and data structures

Backend software engineering

Secure API design

PHP production environments

Education

Bachelor's degree in Computer Science/Software Engineering or related field

Tools

Git

CI/CD pipelines

Docker

Kubernetes

MySQL

PostgreSQL

REST

GraphQL

AWS

GCP

Azure

Job description

AgileEngine is seeking a Backend Software Engineer to build and maintain 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, solid architectural patterns, and collaboration with Product Managers, Architects, QA, and Support teams to deliver reliable solutions across multiple environments.