Senior Backend Engineer – Subscription & Account
New
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TextSoftware Development
Wrocław, Zwycięska 47, Warszawa, -, Kraków, -, Poznań, -, Szczecin, -, Gdańsk, -, Białystok, -, Olsztyn, -, Rzeszów, -, Łódź, -, WrocławContractSenior
Salary28,000 - 35,000 PLN per month
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Job Details
- Required Skills
- GCPKubernetesMySQLOAuthGo
Requirements
- Deep understanding of OAuth 2.0 at the protocol level (flows, token types, authorization models).
- Strong professional experience in Go or solid backend fundamentals with deep OAuth knowledge.
- Solid MySQL experience.
- Familiarity with GCP and Kubernetes.
- Proven track record of owning backend projects end-to-end (design, coordination, delivery).
- Pragmatic approach to balancing high-quality code with timely shipping.
- Comfortable presenting technical solutions to non-technical stakeholders.
- Proficiency with AI coding tools such as Cursor or Claude Code.
- Must be able to register or hold a registered B2B business in selected EU countries.
Responsibilities
- Own the SSO service and OAuth implementation, leading technical decisions and communicating trade-offs.
- Develop and maintain billing infrastructure, including subscriptions, usage-based pricing, and payment provider integrations.
- Drive projects end-to-end, from business requirements and solution design to coordination and delivery.
- Maintain production services, identifying potential issues and proposing fixes before they become blockers.
- Contribute to cross-company initiatives, including client migrations to TextApp and ACAM role management.
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