Senior Python Developer (Freelance)

Quick Facts

• Role: (Senior) Python Developer (Freelance, B2B)

• Work mode: 100% remote (EU-based)

• Engagement: Full-time, long-term (first contract for 3 months for one project; ~11 months for another with possible extension)

• Projects: Fintech Integrations; Risk Decisioning Platform

• Pay: Regular 30–35 €/h; Senior 38–44 €/h (Fintech project). Risk Decisioning platform 30–33 €/h

Description

Freelance Python development role on two remote EU-based projects, supporting fintech integrations and a risk decisioning platform. You will build production-grade services (APIs, rule/decisioning capabilities, integrations) with an international, cross-functional team. Senior developers will drive reliability and end-to-end ownership of solutions.

Responsibilities

• Build risk decisioning capabilities (rule engine, experiments, decision APIs) and risk products such as risk-based pricing

• Implement resilient event-driven Kafka flows handling retries, duplicates, and race conditions

• Develop and maintain integrations with third-party providers (credit bureaus, ID/fraud/AML, trading venues, tax providers, custodians)

• Create tools for risk analysts, including an LLM risk assistant

• Ensure service reliability with monitoring and operational practices (Datadog, on-call, runbooks)

• Work closely with technical teams to shape and deliver solutions end-to-end

Requirements

• Strong senior-level Python skills with a track record of shipping production systems

• Good spoken and written English for an international cross-functional team

• Commercial experience aligned with one of the listed projects

Benefits

• 100% remote and flexible work

• Collaboration with experienced developers and support for developing hard and soft skills

• Dev-friendly processes: Continuous Integration, Continuous Delivery, Code Review, bug bashes

• Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more)