Software Engineer (Python/Forecasting)

Location: Barcelona, Spain

Company

Thunes is a global fintech scale-up building technology for international payments and financial services.

What you will do

• Develop and enhance the treasury automation product.
• Build and improve time series models for cash-flow forecasting.
• Debug production issues involving forecasting, configuration, and data flows.
• Ensure service reliability and uptime.
• Improve engineering standards, code quality, and system simplicity.

Requirements

• 4+ years of professional software development experience with production-deployed systems.
• Strong computer science fundamentals and experience with APIs, web, and backend systems.
• Professional experience with Python and pytest.
• Mathematical and statistical background, including time series forecasting or willingness to develop this expertise.
• Experience with Vue.js, Jest, and creating or optimizing complex SQL queries.

Culture & Benefits

• Work with engineering teams across Europe and a diverse range of projects and technologies.
• Contribute to core business products and internal process automation.
• Use cloud-native infrastructure based on AWS, Kubernetes, and Docker.
• Iterate through small, incremental releases rather than large quarterly releases.