90 Best email personal en Jobs in Gijón (May 2026)

Senior Backend Developer

6 days ago

Gijón

In a few words Siga leyendo para descubrir lo que necesitará para tener éxito en este puesto, incluyendo habilidades, cualificaciones y experiencia. • Position: Senior Backend Developer, • Location: Madrid (Chamberí area)., • +4 years of experience 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 (mAbxience), with over 9,000 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 Senior Backend Developer with strong technical foundations who is eager to design, build, and scale robust backend systems that power real-world AI-driven products. You will work across diverse and complex domains (Clinical, R&D, manufacturing, and beyond), collaborating closely with Data Scientists, Product Managers, and DevOps to bring solutions from concept to production. You will take ownership of backend services end-to-end—defining architectures, designing APIs, ensuring performance and scalability, and delivering reliable systems in production environments. We are seeking someone curious enough to tackle complex engineering challenges (distributed systems, concurrency, scalability, observability), rigorous enough to apply best practices and make sound architectural decisions, and independent enough to deliver high-impact solutions with strong ownership. 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. Beyond the AI Engineering team, you will work alongside Data Scientists, 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)., • Define and evolve scalable and efficient backend architectures., • Build services considering concurrency, performance, and scalability., • Collaborate with frontend teams to define clear, consistent, and versioned API contracts., • Integrate backend services with SQL and/or NoSQL databases., • Ensure code quality through testing (unit and integration), code reviews, and best practices., • Participate in CI/CD pipelines and deployment processes., • Work with cloud environments (AWS and/or Azure) in production systems., • Implement monitoring and observability (logs, metrics, alerts)., • Identify and resolve performance, scalability, and security issues., • Contribute to technical standards and reusable components., • Mentor and support junior developers., • Collaborate closely with Product, Engineering, and DevOps teams., • Participate in architectural decisions and contribute to the evolution of the tech stack., • Ensure reliability, performance, and quality of backend services What do you need? • Fluency in Spanish and English., • Strong experience in Python and backend development in production environments., • Experience with FastAPI, Flask, or similar frameworks., • Proven experience designing APIs and scalable backend architectures., • Experience with SQL and/or NoSQL databases., • Experience with Docker and containerized environments., • Experience working with cloud platforms (AWS and/or Azure) for development and deployment., • Familiarity with CI/CD tools (e.g., GitHub Actions, Azure DevOps)., • Knowledge of authentication systems (OAuth2, JWT)., • Solid understanding of best practices (SOLID principles, clean architecture)., • Ability to work autonomously with strong ownership and results orientation Our benefits! Flexible start time from Monday to Friday Permanent contract. Life and accident insurance. Ticket restaurant Training and language learning platform Wellness platform with unlimited free psychologist sessions Cabify transportation service for employee use Development plans, internal mobility policy. Many more! What will the Selection process be like? Stay tuned to your phone and email! The first thing we will likely do is contact you through one of the two channels. Prepare well! We will continue with an in-person/virtual interview depending on availability and what we agree upon; there may be one or two interviews in the process, and depending on the type of process, there may also be some kind of test. Wait for the result! We care that you feel guided throughout each selection process and know what to expect from us, so we will always try to inform you of the status of the process. 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! xcskxlj #InsudPharma #Challenger #Insuder #InsudTalent 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.

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