Backend Engineer (Python + Golang)

Oxigent Technologies; Madrid; A distancia; EUR 46.000 - 51.000; Jornada completa

Descripción de la vacante

A leading digital technology firm is seeking a Backend Engineer to join their team. This remote position is ideal for someone with 5+ years of backend development experience in Python. You will design and deploy new features, collaborate with cross-functional teams, and ensure the reliability of services. The position offers a competitive salary between €46,000 and €51,000, along with flexible working hours and opportunities for professional growth.

Servicios

Permanent contract

Competitive salary

Flexible working hours

Opportunities for professional growth

Collaborative environment

Formación

• 5+ years of experience in backend development with Python.
• Good level of English (minimum high B2, ideally C1).
• Ability to work autonomously and contribute to technical decisions.

Responsabilidades

• Design, develop and deploy critical new features.
• Collaborate closely with Product Managers and Engineers.
• Ensure scalability, reliability, and performance of the services.

Conocimientos

Backend development with Python

Collaboration in international teams

Code quality maintenance

Autonomous working

Herramientas

Python (FastAPI, SQLAlchemy, Celery)

Golang

Docker

Kubernetes (GKE)

Google Cloud Platform (GCP)

Descripción del empleo

Would you like to work on a global-impact digital product, with a modern tech stack and a sustainable business model?

Join the backend team of one of Europe’s top marketplaces ! At Oxigent Technologies, we’re hiring a Backend Engineer ( Python + Golang bonus ) to help evolve a large-scale digital product used by millions.

You’ll be part of an international team of highly skilled professionals, actively contributing to the evolution and maintenance of the platform — specifically within the Search & Recommendation area. A technical challenge at scale, with millions of users.

What will you do?

• Design, develop and deploy critical new features in a “you build it, you run it” environment.
• Collaborate closely with Product Managers, Designers and Engineers (frontend, backend, mobile).
• Maintain high code quality through best practices, pair programming, and QA sessions.
• Ensure scalability, reliability and performance of the services you own.

What are we looking for?

5+ years of experience in backend development with Python .

Good level of English (minimum high B2, ideally C1), as you’ll work with international teams.

Ability to work autonomously, share knowledge, and actively contribute to technical decisions.

What tech will you work with?

Python (FastAPI, SQLAlchemy, Celery), Golang

Kafka , RabbitMQ , PostgreSQL , Redis , BigQuery

Docker , Kubernetes (GKE) , Google Cloud Platform (GCP)

CI / CD with ArgoCD , CircleCI , GitHub

Monitoring with Datadog

What do we offer?

Permanent contract

Competitive salary between €46,000 and €51,000 gross / year , depending on your experience

Full remote work from anywhere in Spain, with 2 days / month onsite at one of our offices (Barcelona, Bordeaux, or Paris)

Flexible working hours + summer intensive schedule

Multicultural, agile and collaborative environment

Real opportunities for professional growth in a live product with direct business impact

Join the Oxigent team!

A company committed to sustainability and equal opportunity , where talent and technology know no gender.