Data Engineer

About us

M47 Labs is an AI Engineering company focused on providing businesses with the latest and most advanced Artificial Intelligence solutions. Our deep expertise in AI Language Technologies, including NLP and LLMs, empowers businesses with custom-built cutting-edge solutions. We are dedicated to creating AI-driven applications that can understand, interpret, and respond to human language. Join us in making the future more intelligent.

About you

We are seeking a 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.

You will play a key role in ensuring the performance, reliability and seamless integration of backend services with machine learning models and user-facing applications.

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:

1. 6+ years of experience in Backend roles.
2. Strong proficiency in Python and backend system design.
3. Experience with AWS infrastructure and services as a developer (S3, RDS)
4. Solid understanding of database systems (e.g., PostgreSQL, MySQL) and experience with testing frameworks (e.g., Pytest).
5. Experience with modern CI / CD practices and tools (e.g., GitLab CI, ArgoCD).
6. Proven ability to write reliable, maintainable, and well-tested code, with a focus on automation and quality assurance.
7. Familiarity with Docker for containerization.
8. Proficiency with FastAPI.
9. Strong communication skills in English.
10. Bachelor’s degree in Computer Science or equivalent experience.

What's nice to have:

1. Knowledge of frontend frameworks to collaborate with frontend team.
2. Exposure to SonarQube or other code quality tools.

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.

M47 Labs not only encourages but is actively working on empowering its diverse and inclusive talent. M47 Labs is committed to ensuring a non-discriminative workplace, work life and selection process and such decisions will not be influenced by race, color, religion, gender identity or expression, sexual orientation, disability, social and conjugal status, age or other applicable characteristics. M47 Labs prohibits discrimination and harassment of any kind and all employment is decided on the basis of qualifications, merit, and business needs.