Urgent! Senior Full-Stack (React+Python) Developer Job Opening In Madrid – Now Hiring Parser
Fullstack Engineer
We are looking for a highly skilled Fullstack Engineer to design, develop, and maintain scalable, secure, and efficient server-side applications.
The ideal candidate should have experience in microservices architecture, API development, database management, and frontend ensuring high availability and performance of backend and frontend services.
In this role, you will collaborate closely with frontend engineers, product managers, and other stakeholders to build robust backend solutions that power our applications.
performance optimization is crucial for success in this position.
Integrate models into backend systems and create API endpoints for model interaction (e.G., Microservices utilising REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration.
Optimize database queries and schemas to improve performance, scalability, and reliability.
Develop and maintain web interfaces using ReactJS
Implement and maintain state management using tools such as Redux or React Query
Collaborate with frontend developers to ensure efficient API integration and a seamless user experience.
Write unit and integration tests to maintain code reliability and ensure high- quality releases.
Continuously monitor and optimize backend performance using observability tools such as Datadog, Cloud Watch or similar.
Bachelor degree in Computer Science, Software Engineering, or any related field is required, or equivalent practical experience.
Minimum 8 years of experience in backend development, with a strong focus on building scalable, high-performance systems.
Python expertise, with hands-on experience building backend services and APIs using FastAPI, Flask or similar.
Experience in designing and developing end-to-end (E2E) tests to ensure smooth integration between backend and frontend components.
In-depth knowledge of SQL databases (e.G., PostgreSQL, MySQL) and NoSQL databases (e.G., MongoDB) for data management and optimization.
Experience with ETLs and data transformation
Solid expertise in HTML, CSS, JavaScript, and ReactJS.
Extensive experience with cloud platforms such as AWS including services for database hosting, API management, and serverless computing.
Proficiency with Docker for containerization and orchestration tooling such as ECS (Amazon Container Services), enabling scalable application deployment.
Hands-on experience with API security protocols, including JWT, OAuth2, and OpenID Connect, Active Directory (now Microsoft Entra ID) to secure sensitive data and control access.
Proficiency with Git for version control, GitHub Actions and CI/CD pipelines to automate and streamline development workflows.
Proficiency with performance tuning and scalability techniques, such as load balancing, caching, and database indexing.
A proactive, self-motivated approach to addressing issues and driving improvements in backend systems.
Familiarity with message brokers such as Kafka, or AWS SQS for handling asynchronous communication.
Experience with Infrastructure as Code (IaC) tools like Terraform or CloudFormation for managing cloud infrastructure.
Knowledge of observability and monitoring tools, such as Cloud Watch or Datadog, to track and troubleshoot system performance.
Familiarity with serverless architectures (e.G., AWS Lambda) and event- driven programming paradigms.
Exposure to Agile/Scrum methodologies and tools like Jira for managing tasks and sprint planning.
Certifications in cloud technologies, such as AWS Certified Developer.
Manage, host, and serve AI/ML models (MLOps), by ensuring their scalability, reliability, and performance in production environments.
The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built.
Medical insurance.
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Great news! Parser is currently hiring and seeking a Senior Full Stack (React+Python) Developer to join their team. Feel free to download the job details.
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