Senior Backend Engineer - SSO, Subscriptions & Billing

Text S.A; Wrocław; Hybrid; PLN 200,000 - 260,000; Full time

Benefits offered by this job

Multisport card

Private health care

Home office equipment budget

Unlimited paid days off

Job summary

Text S.A. is seeking a Senior Backend Engineer to own SSO and account services. You will design technical solutions, align teams, and ship critical backend work, sitting at the center of cross-functional initiatives with product managers and engineers.

You’ll lead technical decisions on the SSO/OAuth stack, contribute to text-billing integrations, and drive end-to-end projects with a pragmatic, ownership-driven mindset.

Qualifications

• Deep understanding of OAuth 2.0 at the protocol level.
• Strong Go experience in production.
• Solid MySQL experience.

Responsibilities

• Own the SSO service and OAuth implementation.
• Work on text-billing: subscriptions, usage-based pricing, payment provider integrations.
• Coordinate cross-team projects and milestones.
• Maintain production systems and defend against incidents.
• Drive end-to-end backend projects from design to delivery.

Skills

Go

OAuth

Cross-team communication

Auth protocols

Tools

GCP

Kubernetes

MySQL

Job description

Text S.A. is seeking a Senior Backend Engineer to own SSO and account services. You will design technical solutions, align teams, and ship critical backend work, sitting at the center of cross-functional initiatives with product managers and engineers.

You’ll lead technical decisions on the SSO/OAuth stack, contribute to text-billing integrations, and drive end-to-end projects with a pragmatic, ownership-driven mindset.