T

Talan

Agile IT transformation consulting and delivery

Backend Java/Python Developer

Backend EngineeringPosted on Nov 10
Full-timeKraków, PolandNo salary listedHybrid

About the Job

Requirements

  • At least 2 years of software development experience, preferably in data-intensive or analytical environments.
  • Proficiency in Java, Python, and SQL.
  • Experience with REST APIs and microservices.
  • Knowledge of data processing and transformation.
  • Software design and development skills.
  • Testing and debugging skills.
  • Performance optimization skills.
  • Git and version control proficiency.
  • C1-level English proficiency.

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.

Desired Qualifications

  • Experience with Atoti / ActiveViam.
  • Knowledge of Big Data / DataLake.
  • Cloud experience.
  • Experience with Control-M.
  • Experience with Jira / Confluence.

About the Company

Talan

Agile IT transformation consulting and delivery

Talan is a European consulting and IT services group that helps organizations transform and adapt to fast-changing environments. It offers a full range of services from strategic business consultancy to packaged IT solutions, including production support, software development, business analysis, and nearshore delivery. The company works by deploying multidisciplinary teams across its global offices to guide clients through agile transformations, change programs, and IT modernization. Talan differentiates itself through its international footprint, sector focus on Major Service Operators, and a culture built on transparency, respect, teamwork, entrepreneurial spirit, and commitment. With strong organic growth and a large pool of over 3,500 consultants, its goal is to create and share value for clients while coaching and developing its people—empowering customers to transform and compete more effectively.

Company size
1,001-5,000
Company stage
Late Stage VC
Total funding
$110M
Headquarters
Paris, France
Founded
2002

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