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Senior Full Stack Engineer (Python/JS)

Hybrid in Barcelona·Added yesterday (last checked 9 Nov)

EPAM

86 open roles

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Our summary

Work mode: Hybrid, Barcelona
English: Required
Experience: Senior level
Benefits: Private health insurance

Visa options

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Skills

Requirements

What we're looking for

Expertise in software engineering fundamentals and building production-grade systems
Proficiency in Python backend development, including APIs, services, data/ML platforms and automation
Experience with API development (REST, FastAPI, GraphQL and/or gRPC) and architecture skills across cloud-native, serverless, microservices and event-driven systems
Cloud experience (preferably GCP and/or AWS), including ECS, Lambda, SNS, SQS and managed data services
Solid DevOps background: CI/CD, Docker, Kubernetes, Terraform/IaC and automated deployments
Security-aware engineering: IAM least privilege, secrets management, OIDC, Entra ID and permissions management
Experience with AI-assisted programming tools and modern engineering workflows
Ability to lead technical design, mentor engineers and communicate effectively with technical and business stakeholders
Frontend/web app development experience, especially for internal tools, dashboards and proof of concepts
Database experience across relational and NoSQL systems (PostgreSQL, Redis, BigQuery, DynamoDB)

Nice to have

Experience with LangChain, LangGraph, LlamaIndex and prompt engineering
Platform engineering or developer experience background
MLOps experience: model deployment, inferencing, monitoring and production operations

Pay & benefits

What you'll get

Private health insurance
EPAM Employees Stock Purchase Plan
100% paid sick leave
Referral Program
Professional certification
Language courses

The role

The difference between software that works and software that lasts is the depth of its foundations. The Senior Full Stack Engineer (Python/JS) role in Barcelona is about building dependable systems that support growth and decision-making. This is a place for engineers who see the value in robust architecture and trusted data. You decide how technical choices shape the reliability and future of the platform. The person in this role sets the standard for what dependable software means.

What you'll do

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
Apply security-aware engineering, including IAM least privilege, secrets management, OIDC, Entra ID and permissions management
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

Hiring process

3 steps3 interviews

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Conversation with Talent Acquisition
With a Talent Acquisition Specialist
An introductory conversation with a Talent Acquisition Specialist.
Technical interview
Video call
An online technical interview.
Interview with the hiring manager
With a hiring manager
A general interview with the hiring manager.
Offer

The block is a template on EPAM location pages; the Spain page itself does not show it.

About EPAM

EPAM Systems is a global leader in digital platform engineering and software development services, headquartered in Newtown, Pennsylvania, USA. The company partners with a wide range of industries, including finance, healthcare, retail, and technology, to deliver innovative solutions in cloud, data, artificial intelligence, and enterprise platforms. With over 60,000 employees worldwide, EPAM is recognized as one of the largest IT services companies in the world, consistently ranked among the top providers in the industry.

In Spain, EPAM has established a significant presence with offices in Madrid and Barcelona, serving as key hubs for its European operations. The company is known for its collaborative and innovative work culture, offering opportunities for international professionals to work on cutting-edge projects with global teams. EPAM's Spain offices are particularly active in areas like SAP, cloud engineering, data engineering, and capital markets, making it an attractive destination for skilled IT professionals looking to relocate to Spain.

Industry: IT Services
Founded: 1993
Employees: 50,000–100,000
Headquarters: Newtown, USA
In Spain: Madrid, Barcelona

Good to know if you are moving

EPAM has offices in Madrid and Barcelona, offering opportunities for international professionals to work in Spain.
The company provides relocation support for international hires, including visa assistance and onboarding programs.
EPAM is known for its strong focus on professional development, with access to extensive training and certification programs.
The Spain offices work on global projects, giving employees exposure to diverse industries and technologies.
EPAM offers a flexible work environment, including remote and hybrid work options, which can ease the relocation process.

All open roles at EPAM