Senior Software Engineer Jobs

Fever

Location:
Spain, Madrid

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We're looking for a Software Engineer to join our Data Department, someone with strong backend engineering skills and a passion for building the services and infrastructure that power data workflows and bring machine learning models into production. You will work at the intersection of software engineering, machine learning and business automation, helping turn insights and models into reliable, scalable systems used across Fever.

Job Responsibility:

Build and maintain backend services and data pipelines that enable ML models and automations to run reliably at scale
Design robust systems to automate business processes and make them available through APIs or event-based architectures
Translate complex business and analytical needs into technical solutions that create leverage across CRM, Marketing, Product, and Data Science teams
Own your services end-to-end, from architecture to deployment and monitoring, applying strong engineering discipline
Collaborate closely with Data Science, Machine Learning and Data Engineering to ensure smooth integration of data sources and model infrastructure

Requirements:

Strong backend engineering foundations and a passion for writing high-quality Python code
Solid understanding of OOP, software architecture patterns (clean architecture, hexagonal), and design principles
Experience working with relational databases and SQL (PostgreSQL, Snowflake, or similar)
Familiarity with containerization and deployment workflows (Docker, Kubernetes)
Comfortable communicating in English in a cross-functional technical environment
Pragmatic mindset — you balance technical quality with business impact and speed of delivery

Nice to have:

Familiarity with APIs from major marketing or CRM platforms (Meta, Google, Salesforce Marketing Cloud, etc.)
Frontend knowledge (React, Vue, or any modern framework), even if not your main focus
Experience with AWS services (S3, EC2, RDS...) or similar cloud environments
Exposure to orchestration tools like Airflow or similar schedulers
Experience building data or ML-powered internal services or automation platforms

What we offer:

Responsibility from day one and professional and personal growth
Opportunity to have a real impact in a high-growth global category leader
A compensation package consisting of base salary and the potential to earn a significant bonus for top performance
Stock options plan
40% discount on all Fever events and experiences
Health insurance and other benefits such as Flexible remuneration with a 100% tax exemption through Cobee
English / Spanish Lessons
Wellhub Membership
Possibility to receive in advance part of your salary by Payflow

Additional Information:

Job Posted:
October 14, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Software Engineer