Senior PHP Laravel Developer (Cyber Security)

Job summary

Astec Rublon is seeking a Senior PHP Laravel Cloud Developer to contribute to the innovative Rublon SSO project. You will develop enterprise-level cloud software solutions for user authentication, leveraging your expertise in PHP, Laravel, and cloud architecture. Join a dynamic team in a remote position with opportunities for professional growth.


Qualifications
* At least 5 full years of experience with PHP and Laravel.
* Good knowledge of cloud software architecture.
* Experience in building highly scalable cloud systems.

Responsibilities:
* Development of the Rublon SSO cloud service.
* Enable users to log in to cloud services using an SSO Portal.
* Monitor code quality and perform code reviews.

Skills:

- PHP
- Laravel
- cloud software
- architecture
- secure API design
- secure web applications
- SAML
- OIDC
- Angular
- communication skills
- English proficiency


Tools:
- AWS
- Microsoft Graph API



Job Description:

Join a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. We offer a multi-factor authentication (MFA) platform used by hundreds of customers worldwide to protect employee logins to networks, servers, and applications.



We are looking for a long-term employee or contractor to support ongoing development efforts in the following project:



Project:

Development of a new SSO platform

The Single Sign-On (SSO) service will be a cloud-hosted identity provider (IdP) that enables customers to apply MFA to cloud services like Microsoft 365, Salesforce, and Asana. This greenfield project builds on experience gained from earlier authentication solutions.


How You’ll Work

Location: 100% remote or at offices in various major Polish cities

Team: 8 Developers, 1 Tech Lead, 1 Technical Writer, 1 Product Manager
Language: Polish or English for team communication; English for documentation and commit messages

Employee benefits: Access to private healthcare and a sports membership card



What You’ll Do:

As a Senior PHP Laravel Cloud Developer, you will help develop enterprise-grade cloud software for modern user authentication:



Develop a cloud-hosted SSO service
Allow users to log in to cloud services via an SSO portal
Enable administrators to connect cloud services using protocols like SAML and OpenID Connect (OIDC)
Integrate third-party identity providers such as Active Directory or Microsoft Entra
Work with cloud infrastructure (AWS)
Implement secure enterprise authentication software
Develop locally on company-provided hardware and test on external environments
Analyze requirements, propose solutions, and discuss with the Product Manager
Ensure code quality through code reviews and testing
Design and run development and integration tests




Skills You Have:

Minimum 5 years of commercial experience with PHP and Laravel
Solid understanding of cloud software architecture
Experience building scalable cloud systems (preferably on AWS)
Good understanding of secure API design principles
Knowledge of secure web application development
Familiarity with authentication protocols (SAML, OIDC, LDAP)
Experience in Angular frontend development
Strong communication skills in Polish or English



Nice to Have:


Prior experience working on SSO systems
Understanding of core Identity & Access Management (IAM) concepts
Experience with Microsoft Entra and Active Directory
Familiarity with Microsoft Graph API
AWS certification(s)
Strong UI/UX design skills
Good command of English (B2 or higher)



Why Apply:

You want to help make the internet a safer place
You enjoy collaborating with, teaching, and learning from high-performing peers



Hiring Process


Online meeting with a recruiter
Short technical assignment followed by discussion with a technical lead
Final interview and job offer