Software Engineer, Identity and Access Management

  • Full-time

Company Description

We believe everyone should be able to participate and thrive in the economy. So we’re building tools that make commerce easier and more accessible to all. We started with a little white credit card reader but haven’t stopped there. Our new reader helps our sellers accept chip cards and NFC payments, and our Cash app lets people pay each other back instantly. We’re empowering the independent electrician to send invoices, setting up the favorite food truck with a delivery option, helping the ice cream shop pay its employees, and giving the burgeoning coffee chain capital for a second, third, and fourth location. Let’s shorten the distance between having an idea and making a living from it. And make it easier for customers to shop and pay at their favorite businesses. We’re here to help sellers of all sizes start, run, and grow their business—and helping them grow their business is good business for everyone.

Job Description

At Square, security is paramount. The Identity and Access Management (IAM) team writes software that mediates access to internal services. As a team, we value correctness, safety, and efficiency. We're looking for a software engineer who shares our values.

As a Software Engineer on IAM, you will be responsible for designing, building, and owning the services and infrastructure that control access to internal services at Square. These include both traditional authorization for humans, as well as authorization for internal service-to-service communications. In addition to application-level authorization, IAM develops the software which manages the hosts’ firewall (iptables).

IAM helps Square implement security best practices. Both secure coding and operational security are critically important for the position. We believe in the principle of least privilege, you should too.

You will:

  • Work cross-functionally with many teams to ensure a secure production environment.

  • Build great user experiences for internal web applications.

  • Participate in an on-call rotation for IAM services.

Qualifications

You have:

  • Interest in working full-stack. We write backend and front-end code, and integrate with many systems run by other teams.

  • Experience coding for security-sensitive applications.

  • Strong Linux systems skills and knowledge of Linux security.

  • Experience with Ruby on Rails.

Even better:

  • Passion for open-source technologies and a strong track record in open source community.

Technologies we use:

  • Linux

  • Ruby on Rails

  • RSpec

  • MySQL

  • Javascript

  • Bootstrap

Additional Information

At Square, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

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