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).