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Senior Software Engineer (FinCore)

Madrid💼 Full-time🗓 2026-05-16 → 2026-07-31

Core

Develop and optimize a multi-currency accounting and foreign exchange platform for global businesses.

Role type

Senior Software Engineer (FinTech)

Builds

FX platform services, multi-currency accounting systems, and exchange infrastructure.

Domain

FinTech, Banking, Foreign Exchange

Deliverable

production ML models | product features | infrastructure

Required skills

Python, Object-Oriented Programming (OOP), Financial Systems, Regulated Environment Experience, API Design, Service Management, External System Integration, Legacy Code Refactoring, Unit Testing, Integration Testing, CI/CD Pipelines, Infrastructure as Code (Terraform)

Preferred skills

Open Source contributions, Mentoring, Product Discovery

Technologies

Python, Jenkins, Terraform

Responsibilities

Develop and deliver new FX platform services; Design new services using RFC process; Mentor less experienced team members; Lead product initiatives from discovery to delivery; Maintain and improve legacy code to reduce technical debt.

Seniority

Senior, hands-on IC with mentorship

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