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Backend Java/Python Developer

Talan Warsaw, Poland
Posted 11 hours ago Permanent Competitive

Backend Java/Python Developer

Talan Warsaw, Poland
Backend Java/Python Developer
Company Description

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.

Job Description

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.

Qualifications

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

Additional Information

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).
Job ID  744000160926254
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