Senior Fullstack Engineer in Madrid/Barcelona (remote) for an International client
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 idóneo 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 development with modern technologies, making key technical decisions, driving architectural improvements, ensuring high code quality through comprehensive testing (including Playwright for end-to-end and integration tests), and collaborating with engineering and product stakeholders. This position requires hands-on experience with our technology stack and a proactive, improvement-oriented mindset.
Knowledge and Skills
- Lead backend architecture and development to ensure high performance, scalability, and reliability.
- Develop and maintain backend services using Python and FastAPI.
- Contribute to frontend development using ReactJS, Typescript, Vite, and Tailwind.
- Drive technical decision-making and promote best practices across the engineering team.
- Collaborate closely with engineers, product managers, and stakeholders to deliver robust and user-friendly solutions.
- Participate in architectural reviews and contribute to continuous improvement initiatives.
- Work with databases and storage technologies such as Redis, and manage migrations with Alembic.
- Coordinate with the infrastructure team regarding deployments and operations in environments using Azure DevOps, Docker, Kubernetes, and AWS.
Technical Skills
- Python (5+ years)
- FastAPI
- JavaScript / Typescript
- ReactJS (3+ years preferred)
- Typescript
- Tailwind
- Vite
- Redis
- Alembic (migrations)
- Azure DevOps
- MongoDB
- PostgreSQL
- Docker
- Kubernetes
- AWS
- (Infrastructure knowledge is a plus but not mandatory)
Languages
- English (C1)
Rate
- 260-285€/day
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