Mid-Level Backend Developer – AI Labs

Insud Pharma; Madrid; On-site; EUR 42,000 - 65,000; Full time

Benefits offered by this job

Training y aprendizaje de idiomas

Plataforma de bienestar con sesiones

Planes de desarrollo y movilidad

Tiempo flexible

Job summary

Insud Pharma busca un Desarrollador Backend de nivel medio para AI Labs en Madrid. Formarás parte de un equipo de ingenieros, científicos de datos y DevOps, desarrollando servicios backend confiables que alimentan productos IA en clínica, I+D y fabricación.

Trabajarás con APIs REST, contenedores Docker, AWS/Azure y pipelines CI/CD, manteniendo código legible y siguiendo principios SOLID, con revisión de pares y aprendizaje continuo.

Qualifications

• Requiere experiencia práctica desarrollando backends en Python en producción.
• Experiencia con Git y herramientas del ecosistema (GitHub/GitLab).
• Experiencia con FastAPI, Flask u otros frameworks.
• Conocimiento de REST APIs y patrones de diseño de backend.
• Experiencia con bases de datos SQL y/o NoSQL.
• Conocimiento de Docker y entornos en contenedores.
• Conocimiento de AWS y/o Azure.
• Conocimientos de CI/CD (GitHub Actions, Azure DevOps).
• Conocimientos de autenticación (OAuth2, JWT).
• Comprensión de código mantenible, principios SOLID y separación de responsabilidades.
• Capacidad de entregar tareas definidas de forma independiente.

Responsibilities

• Diseñar, desarrollar y mantener REST APIs.
• Contribuir al diseño de backend con guía de ingenieros senior.
• Desarrollar servicios con foco en rendimiento y concurrencia.
• Colaborar con equipos frontend para contratos API claros.
• Integrar servicios back-end con bases de datos SQL y/o NoSQL.
• Escribir tests, revisar código y aplicar estándares del equipo.
• Participar en pipelines CI/CD y procesos de despliegue.
• Apoyar el despliegue de servicios en AWS y/o Azure.
• Añadir y mantener logs, métricas y alertas con herramientas de monitoreo.
• Investigar y resolver bugs y problemas de rendimiento.

Skills

Python backend

REST APIs

SOLID principles

Bilingual Spanish/English

Independent delivery

Code reviews

Tools

Docker

Git (GitHub/GitLab)

FastAPI/Flask

SQL/NoSQL

AWS/Azure

CI/CD (GitHub Actions, Azure DevOps)

OAuth2/JWT

Job description

Position: Mid-Level Backend Developer – AI Labs

Want to know more?

INSUD PHARMA operates across the entire pharmaceutical value chain, providing specialized knowledge and experience in scientific research, development, manufacturing, sales, and marketing of a wide range of active pharmaceutical ingredients (API), finished dosage forms (FDF), and branded pharmaceutical products, adding value to human and animal health.

The activities of INSUD PHARMA are organized into three synergistic business areas: Industrial (Chemo), Branded (Exeltis), and Biotech (Bionanopharma), with over 10,000 professionals in more than 50 countries, 20 state-of-the-art facilities, 15 specialized R&D centers, 12 commercial offices, and more than 35 pharmaceutical subsidiaries, serving 1,150 customers in 96 countries worldwide. INSUD PHARMA believes in innovation and sustainable development.

Ready to be a #Challenger?

What are we looking for?

We are AI Labs team, the applied AI department at Insud Pharma. We are a team of 30 professionals (AI Engineers, Data Scientists, Backend Engineers, DevOps Engineers, and Product Managers) working across the full breadth of the company, building products and systems that directly inform and shape decision-making.

We are looking for a Mid-Level Backend Developer with solid technical foundations and hands-on experience building backend applications. You will develop and maintain reliable services that power real-world AI-driven products across Clinical, R&D, manufacturing, and other domains, working closely with Data Scientists, Product Managers, and DevOps Engineers.

You will take ownership of well-defined backend features, from implementation and testing through deployment and maintenance, with support from senior engineers on architecture and complex technical decisions.

We are seeking someone curious about engineering challenges, committed to writing maintainable code, and comfortable delivering independently within an agreed scope. You will contribute to technical discussions, ask for support when needed, and develop your skills through collaboration and feedback.

How the team works:

AI Labs operates with a startup mindset within Insud Pharma. The department is young, and the culture reflects that: flat, collaborative, and fast-moving. You will work alongside Data Scientists, AI Engineers, DevOps Engineers, and Product Managers who are equally committed to delivering high-quality work.

We hold regular demo days where teams present their work, as well as whiteboard sessions where we tackle problems together. The cross-disciplinary dynamic is genuinely strong. The office is located in central Madrid (Chamberí, near Eloy Gonzalo), well connected and situated in a vibrant part of the city.

The challenge!

• Design, develop, and maintain REST APIs (FastAPI, Flask, or similar).
• Contribute to backend design and implement solutions using established architectural patterns, with guidance from senior engineers.
• Build services with attention to performance and concurrency, seeking support for more complex scalability challenges.
• Collaborate with frontend teams to define clear, consistent, and versioned API contracts.
• Integrate backend services with SQL and/or NoSQL databases.
• Write unit and integration tests, participate in code reviews, and apply team coding standards.
• Participate in CI/CD pipelines and deployment processes.
• Support the deployment and maintenance of backend services in AWS and/or Azure, working with DevOps and senior engineers.
• Add and maintain application logs, metrics, and alerts using existing monitoring tools.
• Investigate and resolve bugs and routine performance issues, and elevate complex reliability or security concerns.
• Follow technical standards and contribute reusable components and practical improvements to the codebase.
• Share knowledge with teammates and learn through pairing, code reviews, and feedback.
• Collaborate closely with Product, Engineering, and DevOps teams.
• Participate in technical design discussions and propose improvements, with senior engineers guiding architectural decisions.
• Maintain the reliability and quality of the features you deliver, including documentation and follow-up fixes.

What do you need?

• Fluency in Spanish and English.
• Practical experience developing and maintaining Python backend applications in production
• Experience with version control (e.g. Git) and the tooling around (e.g. GitHub, GitLab)
• Experience with FastAPI, Flask, or similar frameworks.
• Experience implementing REST APIs and an understanding of common backend design patterns; ability to contribute to design discussions.
• Experience with SQL and/or NoSQL databases.
• Experience with Docker and containerized environments.
• Familiarity with cloud platforms such as AWS and/or Azure and an understanding of application deployment workflows.
• Familiarity with CI/CD tools (e.g., GitHub Actions, Azure DevOps).
• Knowledge of authentication systems (OAuth2, JWT).
• Understanding of maintainable code, SOLID principles, and separation of concerns, with the ability to apply them in day-to-day development.
• Ability to deliver well-defined tasks independently, communicate progress and blockers, and incorporate feedback from teammates.

Flexible start time from Monday to Friday

Training and language learning platform

Wellness platform with unlimited free psychologist sessions

Development plans, internal mobility policy.

Do you think this offer is not for you?

Follow us on social media like LinkedIn/Instagram and stay tuned for any offers we may release; the opportunity to be a new Insuder is waiting!

COMMITMENT TO EQUAL OPPORTUNITIES

The InsudPharma group is aware that business management must align with the needs and demands of society, and therefore assumes the commitment to equal opportunities and treatment between men and women, as stated in the current regulations on the matter - Organic Law 3/2007, and we do not discriminate against any person on the grounds of ethnicity, religion, age, sex, nationality, marital status, affective or sexual orientation, gender identity or expression, disability, or any other personal or social circumstance.