Backend Java/Python Developer

Talan – Positive Innovation Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions. Talan at a Glance Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year. Our Core Areas of Expertise - Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI. - Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency. - Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies. We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications. RESPONSIBILITIES: - Design, develop and maintain backend and data-processing components. - Develop applications and processes using Java, Python and SQL. - Implement business and calculation logic according to functional requirements. - Develop and integrate REST APIs and microservices. - Develop data loading, processing and transformation capabilities. - Develop and maintain analytical components in Atoti / ActiveViam when required. - Implement measures, calculations and analytical capabilities within Atoti. - Analyze and optimize performance, memory usage and scalability. - Perform data validation and reconciliation across different components and systems. - Troubleshoot technical, data and performance issues. - Implement unit and integration tests. - Support testing, certification, deployment and production releases. - Maintain technical documentation and development best practices. Experience: +2 years of experience in software development, preferably in data-intensive or analytical environments. MANDATORY SKILLS: - Java - Python - SQL - REST APIs / Microservices - Data processing & transformation - Software design and development - Testing & debugging - Performance optimization - Git / version control - C1 English Level DESIRABLE: - Atoti / ActiveViam - Big Data / DataLake - Cloud - Control-M - Jira / Confluence What do we offer you? - Long term Employment contract - Training and career development - Possibility to be part of a multicultural team and work on international projects If you are passionate about data, development & tech, we want to meet you! Talan Spain’s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).