Senior Full-Stack Engineer (Python/JS) – Cloud-Native & AI

EPAM Systems Inc; Barcelona; Presencial; EUR 70.000 - 110.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Private health insurance

Employee stock purchase plan

Paid sick leave

Referral program

Professional certifications

Language courses

Descripción de la vacante

EPAM Systems Inc. in Barcelona is seeking a Senior Full Stack Engineer (Python/JS) to build dependable systems that support growth and decision-making. You will design APIs, architect cloud-native microservices, and lead DevOps practices across AWS/GCP environments.

You will mentor engineers, develop frontend and backend components for internal tools and dashboards, and work with relational and NoSQL databases, ensuring observability and secure, scalable deployments.

Formación

• Expertise in software engineering fundamentals and building production-grade systems.
• Proficiency in Python backend development and APIs.
• Experience with cloud-native, serverless, microservices and event-driven systems.
• Solid DevOps background with CI/CD and container orchestration.

Responsabilidades

• Build and maintain production-grade systems from scratch, including backend services, APIs, data/ML platforms and automation.
• Design and develop APIs using REST, FastAPI, GraphQL and/or gRPC.
• Architect cloud-native, serverless, microservices and event-driven systems and ensure cloud integration (GCP and/or AWS).
• Implement DevOps practices, including CI/CD, Docker, Kubernetes, Terraform/IaC and automated deployments.
• Lead technical design and mentor engineers, communicating effectively with technical and business stakeholders.
• Develop frontend/web applications for internal tools, dashboards and proof of concepts.
• Work with relational and NoSQL databases, such as PostgreSQL, Redis, BigQuery and DynamoDB.
• Ensure observability and debugging using CloudWatch, Grafana, Datadog or similar tools.
• Contribute to building AI/ML platforms, agentic AI systems, agents, chatbots, RAG and LLM-based.

Conocimientos

Python backend development

API development

Cloud experience

DevOps

Security-aware engineering

Leadership

Frontend/web apps

Herramientas

Docker

Kubernetes

Terraform/IaC

Descripción del empleo

EPAM Systems Inc. in Barcelona is seeking a Senior Full Stack Engineer (Python/JS) to build dependable systems that support growth and decision-making. You will design APIs, architect cloud-native microservices, and lead DevOps practices across AWS/GCP environments.

You will mentor engineers, develop frontend and backend components for internal tools and dashboards, and work with relational and NoSQL databases, ensuring observability and secure, scalable deployments.