Senior Fullstack Engineer - Madrid/Barcelona(Remote) – International Client
Twtspain
Full-time
Customer Service
Location
gasteiz, kingdom of spain, Spain
Posted
June 19, 2026
Job Description
Senior Fullstack Engineer in Madrid/Barcelona (remote) for an International client
Si desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.
Job role:
Senior Fullstack Software Engineer
Job description:
A Senior Fullstack Software Engineer with high experience in DevOps, Kubernetes & Python.
Location:
Madrid/Barcelona (Remote)
Languages required:
English (C1)
MANDATORY
Minimum experience:
5 to 7 years
Rate:
260-285€/day
Responsibilities
We are seeking a Senior Fullstack Software Engineer with strong expertise in Python and solid experience in JavaScript (preferably ReactJS). The ideal candidate will take a lead role in backend architecture and development with a strong emphasis on performance, reliability, and scalability, supporting thousands of concurrent users and high-frequency external integrations.
The role includes contributing to frontend develop...
Si desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.
Job role:
Senior Fullstack Software Engineer
Job description:
A Senior Fullstack Software Engineer with high experience in DevOps, Kubernetes & Python.
Location:
Madrid/Barcelona (Remote)
Languages required:
English (C1)
MANDATORY
Minimum experience:
5 to 7 years
Rate:
260-285€/day
Responsibilities
We are seeking a Senior Fullstack Software Engineer with strong expertise in Python and solid experience in JavaScript (preferably ReactJS). The ideal candidate will take a lead role in backend architecture and development with a strong emphasis on performance, reliability, and scalability, supporting thousands of concurrent users and high-frequency external integrations.
The role includes contributing to frontend develop...