Senior Fullstack Engineer - Python & React | Remote

parser; España; Híbrido; EUR 90.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical insurance

Descripción de la vacante

Parser is seeking a Senior Fullstack Engineer in Spain with flexible remote work and occasional travel to the UK office. You will design, develop, and maintain scalable backend services and rich frontend interfaces, collaborating with product managers and frontend engineers to deliver robust, high‑performing applications.

You will work with microservices, REST/GraphQL, databases, and security best practices, while focusing on SoC and performance.

Formación

• Proficient in Python with backend services and APIs (FastAPI/Flask).
• Experience with microservices, event-driven patterns, and SOA.
• Strong SQL (PostgreSQL/MySQL) and NoSQL (MongoDB) data management.
• Experience with ETLs and data transformation pipelines.
• Solid HTML/CSS/JavaScript with ReactJS frontend experience.
• AWS cloud proficiency including database hosting and serverless options.
• Docker and orchestration tooling (ECS) for scalable deployments.
• API security using JWT/OAuth2/OpenID Connect; Git for version control.
• Performance tuning, caching, and database indexing.
• Experience with CI/CD pipelines (GitHub Actions) and observability.

Responsabilidades

• Design, develop, and maintain scalable backend services and APIs.
• Build and maintain web interfaces using ReactJS and state management (Redux/React Query).
• Collaborate with frontend, product managers, and stakeholders to deliver features.
• Integrate AI/ML models into backend systems and expose endpoints.
• Ensure security, authentication, and authorization across services.
• Optimize queries, schemas, and backend performance for reliability.
• Write unit and integration tests; participate in code reviews.
• Monitor systems with Datadog/CloudWatch and resolve production issues.
• Maintain technical documentation and design discussions for scalability.

Conocimientos

Python

FastAPI/Flask

Microservices

API design

ReactJS

Docker

AWS

PostgreSQL/MySQL

MongoDB

Git & CI/CD

Educación

Bachelor degree in Computer Science or related field

Herramientas

Docker

AWS

ReactJS

PostgreSQL

MongoDB

GitHub Actions

Descripción del empleo

Parser is seeking a Senior Fullstack Engineer in Spain with flexible remote work and occasional travel to the UK office. You will design, develop, and maintain scalable backend services and rich frontend interfaces, collaborating with product managers and frontend engineers to deliver robust, high‑performing applications.

You will work with microservices, REST/GraphQL, databases, and security best practices, while focusing on SoC and performance.