Senior Python Engineer: Integrations & Payments

Fliff Inc.; Warszawa; Híbrido; PLN 180.000 - 240.000; Jornada completa

Descripción de la vacante

Fliff Inc. in Warsaw is seeking a Senior Python Engineer to join the Integration team, owning backend features and driving critical external integrations such as KYC, geolocation, and payment partners.

You will design scalable backend services with Python and Django, implement observability, and collaborate with product and engineering to deliver reliable, high-performance solutions across diverse services.

Formación

• Minimum 5+ years of development experience with Python as the primary language.
• Proven experience integrating third-party APIs and building scalable backend services.
• Strong knowledge of webhooks, callbacks, idempotency, and failure handling.
• Experience designing architectures for highly loaded, scalable systems.
• Familiarity with the full software development lifecycle and observability.

Responsabilidades

• Take ownership of backend features from design through deployment and support.
• Develop and maintain scalable backend services using Python and Django.
• Build integrations with KYC, geolocation, and payment providers.
• Collaborate with product and engineering teams to scope new integrations.
• Implement observability with monitoring, logging, and alerting across flows.
• Write unit and integration tests to improve reliability and coverage.

Conocimientos

Python

API integrations

Webhooks

Observability

Concurrency

Architecture design

Herramientas

Datadog

CloudWatch

Grafana

Descripción del empleo

Fliff Inc. in Warsaw is seeking a Senior Python Engineer to join the Integration team, owning backend features and driving critical external integrations such as KYC, geolocation, and payment partners.

You will design scalable backend services with Python and Django, implement observability, and collaborate with product and engineering to deliver reliable, high-performance solutions across diverse services.