Senior Python Engineer, Integration

Fliff Inc

Senior Python Engineer developing backend services and integrations for Fliff's sports gaming platform. Responsible for KYC, geolocation, payment integrations, and system observability.

Posted 7/20/2026contractRemote • 🇧🇬 BulgariaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing, developing, and maintaining scalable backend services using Python and Django, with a strong focus on API integrations and observability practices. Proven ability to manage production support and implement effective testing strategies.

Highest-signal resume keywords

Python DevelopmentDjango FrameworkAPI IntegrationsObservability ToolsProduction Support

ATS Keywords

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Hard Skills

Backend DevelopmentAPI DesignSystem IntegrationsUnit TestingIntegration TestingAlgorithmsData StructuresConcurrencyArchitecture DesignDeployment Practices

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

KYC IntegrationsPayment IntegrationsMonitoring ToolsLogging ToolsAlerting Tools

Industry Keywords

WebhooksCallbacksIdempotencyFailure HandlingSoftware Development Lifecycle

Tech Stack

Tools & technologies

DjangoPython

About the role

Key responsibilities & impact

Take full ownership of backend features and improvements, from design through implementation, deployment, and production support
Design, develop, and maintain scalable, high-performance backend services using Python and Django
Build and maintain integrations with external systems, including KYC, geolocation, and payment partners, and other third-party services
Work closely with product and engineering teams to scope and deliver new integrations
Implement observability across integration flows, including monitoring, logging, and alerting
Write unit and integration tests to ensure system reliability, prevent regressions, and improve overall test coverage and testing practices
Support production issues and participate in on-call rotations

Requirements

What you’ll need

At least 5+ years of development experience, with Python as the primary language and strong experience in API and system integrations
Proven experience integrating third-party APIs, with deep understanding of webhooks, callbacks, idempotency, and failure handling. **Payments and KYC integrations are strong plus**
Experience with observability tools to monitor and troubleshoot production integrations
Strong fundamentals in algorithms, data structures and concurrency
Experience in architecture design of highly loaded and scalable solutions
Strong understanding of the full software development lifecycle, from requirements analysis to deployment and production monitoring
Willingness to participate in on-call rotations

Benefits

Comp & perks

Equal Employment Opportunity Statement
Welcoming and Friendly culture
Lively and Creative work environment
Stimulating and Rewarding challenges