Senior Backend Python Engineer

JR Spain; Barcelona; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A tech-driven company in Barcelona is seeking a Senior Python Backend Developer to join their team. In this role, you will collaborate with various teams to design and maintain scalable backend systems. Candidates should have over 6 years of experience in backend development, strong Python skills, and a collaborative spirit. The company offers an indefinite contract, a comprehensive compensation package, and a dynamic work environment.

Servicios

Comprehensive compensation package

On-demand learning budget

Private medical insurance

Diverse community meet-ups

Formación

• 6+ years of experience in Backend roles.
• Experience with Docker for containerization.
• Proven ability to write reliable and maintainable code.

Responsabilidades

• Design, build, and maintain scalable backend systems.
• Collaborate with Machine Learning Engineers, Product Managers, and Frontend Developers.
• Mentor team members on technical projects.

Conocimientos

Strong proficiency in Python

Backend system design

Experience leading technical projects

Strong communication skills in English

Understanding of database systems

Experience with testing frameworks

Knowledge of CI/CD practices

Ability to write reliable code

Familiarity with Docker

Educación

Bachelor's degree in Computer Science or equivalent experience

Herramientas

PostgreSQL

MySQL

GitLab CI

ArgoCD

AWS services

.NET

SonarQube

Descripción del empleo

Social network you want to login/join with:

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Client:

M47 Labs

Location:

Barcelona, Spain

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

688024826054023577632460

Job Views:

1

Posted:

23.07.2025

Expiry Date:

06.09.2025

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Job Description:

About us

About you

We are seeking a Senior Python Backend Developer to join our team and contribute to the development of AI products in the Customer Experience (CX) field.

About your day-to-day

• You will work closely with Machine Learning Engineers, Product Managers, and Frontend Developers to design, build, and maintain scalable backend systems.

What is in it for you?

• Indefinite Contract
• Office located at the heart of Barcelona
• Follow your career ambition with growth opportunities (horizontal and vertical)
• On-demand learning budget and ongoing educational company-wide training of relevant topics of our industry
• Comprehensive compensation package, including private medical insurance, expert tax support, coverage and flexible remuneration through Cobee, including meals and transport
• Be part of our diverse communities and enjoy our meet-ups (Women in Tech, LGTBQ+, Wellbeing, City Lifestyle...)
• Great international, inclusive and dynamic work environment (more than 20 nationalities!)

What you'll need

• 6+ years of experience in Backend roles.
• Strong proficiency in Python and backend system design.
• Experience leading technical projects and mentoring team members.
• Strong communication skills in English.
• Bachelor’s degree in Computer Science or equivalent experience.
• Solid understanding of database systems (e.g., PostgreSQL, MySQL) and experience with testing frameworks (e.g., Pytest).
• Experience with modern CI/CD practices and tools (e.g., GitLab CI, ArgoCD).
• Proven ability to write reliable, maintainable, and well-tested code, with a focus on automation and quality assurance.
• Familiarity with Docker for containerization.

What's nice to have

• Experience with AWS infrastructure and services as developer (S3, RDS)
• Knowledge of frontend frameworks to collaborate with frontends team
• Exposure to SonarQube or other code quality tools.
• Familiarity with languages like .NET and dealing with legacy code is a plus.

For this position, you must be a holder of a valid working permit for Spain (or EU passport) and be available to work full-time onsite.

Note: M47 Labs actively encourages and works on empowering its diverse and inclusive talent. The company is committed to ensuring a non-discriminative workplace, and employment decisions are based on qualifications, merit, and business needs. Discrimination and harassment of any kind are prohibited.