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

EPAM Systems Inc; España; Presencial; EUR 90.000 - 120.000; Jornada completa

Descripción de la vacante

EPAM Systems Inc in Barcelona is seeking a Senior Full Stack Engineer (Python/JS) to build dependable systems at scale. You will drive architecture, design APIs, and mentor engineers while collaborating on data/ML platforms and cloud integrations.

The role emphasizes production-grade delivery, security-conscious engineering, and hands-on work across backend, frontend, and DevOps with modern tooling and platforms.

Formación

• Strong foundation in software engineering with production-grade systems.
• Proficiency in Python backend development, APIs and automation.
• Experience with REST, GraphQL and/or gRPC API design and architecture.
• Cloud experience (GCP/AWS) including managed services and serverless patterns.
• Solid DevOps background: CI/CD, Docker, Kubernetes and IaC.
• Security-aware engineering: IAM, secrets management and OIDC.
• Experience with AI-assisted tools and modern engineering workflows.
• Able to lead technical design and mentor engineers.
• Frontend development for internal tools and dashboards is a plus.
• Experience with relational and NoSQL databases.

Responsabilidades

• Build and maintain production-grade systems from scratch.
• Design and develop APIs using REST, FastAPI, GraphQL and/or gRPC.
• Architect cloud-native, serverless, microservices and event-driven systems.
• Implement DevOps practices, including CI/CD, Terraform/IaC and automated deployments.
• Apply security-aware engineering with IAM and secrets management.
• Lead technical design and mentor engineers, communicating with stakeholders.
• Develop internal tools and dashboards for data visualization.
• Work with PostgreSQL, Redis, BigQuery, DynamoDB and similar databases.
• Ensure observability with CloudWatch, Grafana, Datadog or equivalent.

Conocimientos

Python backend

API design

Cloud (GCP/AWS)

Docker / Kubernetes

CI/CD

Security best practices

Frontend development

Relational & NoSQL DBs

LangChain / LangGraph (nice to have)

Mentoring / leadership

Descripción del empleo

EPAM Systems Inc in Barcelona is seeking a Senior Full Stack Engineer (Python/JS) to build dependable systems at scale. You will drive architecture, design APIs, and mentor engineers while collaborating on data/ML platforms and cloud integrations.

The role emphasizes production-grade delivery, security-conscious engineering, and hands-on work across backend, frontend, and DevOps with modern tooling and platforms.