Senior Python Backend Engineer – AWS, FastAPI, REST

ERNI; Barcelona; Híbrido; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Certifications reimbursement up to €1,

Private health insurance

Sick leave coverage

Language courses: English, Spanish, [c

Gym discounts

Flexible remuneration

Referral bonuses

20+ vacation days

Descripción de la vacante

ERNI is seeking a software engineer to contribute to an internal pharmaceutical platform in Barcelona. You will design and build backend services with Python and FastAPI, exposing REST APIs and integrating cloud services.

The role involves frontend exposure (Angular/React/TypeScript) and working with AWS, CI/CD pipelines, and modern tooling. You will collaborate with cross-functional teams, participate in architectural decisions, and grow within a hybrid working model requiring ~2 office days

Formación

• 3–7 years of experience in software engineering with a strong focus on cloud-based application development.
• Strong experience with Python, FastAPI and REST APIs, with additional exposure to Java or Node.js.
• Experience with Angular or React and TypeScript, JavaScript and HTML/CSS.
• Solid knowledge of AWS services such as Lambda, API Gateway, S3 and CloudWatch, together with CloudFormation.
• Experience with Git, Jenkins, OpenShift or Kubernetes and CI/CD pipelines, plus knowledge of software architecture principles.

Responsabilidades

• Designing and developing backend services, APIs and cloud-native applications with a strong focus on Python.
• Develop web functionalities, integrate enterprise applications with cloud services and APIs, and support development, test and production environments.
• Participate in troubleshooting, incident resolution, continuous improvement, documentation and knowledge-sharing activities.

Conocimientos

Python

FastAPI

REST APIs

AWS

CI/CD

Angular

React

TypeScript

Java

Node.js

Git

Jenkins

OpenShift

Kubernetes

HTML/CSS

Herramientas

AWS Lambda

API Gateway

S3

CloudWatch

CloudFormation

Jenkins

OpenShift

Kubernetes

Git

Descripción del empleo

ERNI is seeking a software engineer to contribute to an internal pharmaceutical platform in Barcelona. You will design and build backend services with Python and FastAPI, exposing REST APIs and integrating cloud services.

The role involves frontend exposure (Angular/React/TypeScript) and working with AWS, CI/CD pipelines, and modern tooling. You will collaborate with cross-functional teams, participate in architectural decisions, and grow within a hybrid working model requiring ~2 office days