Talend Developer

Talend Developer   (6 Years experience)

Talend from 7.x to 8.0.1

Key Skills for Talend Developers (Upgrade 7.3 8.x)

1. Talend Studio Expertise

• Proficiency in

  Talend Studio for Data Integration/Big Data/ESB

  (based on edition).
• Familiarity with

  job designs

  , components, contexts, routines, and metadata repositories.
• Knowledge of

  repository-based project management

  and shared resources.

2. Component Compatibility and Migration

• Understanding of changes to components and

  deprecated features

  in 8.x.
• Ability to replace deprecated components with newer alternatives.
• Experience in

  upgrading custom routines

  , tJava code blocks, and external JARs.

• Experience with

  Git

  ,

  SVN

  , or

  TAC integrated version control

  .
• Knowledge of the

  Talend CommandLine (CI Builder)

  for automated builds in 8.x.

5. Testing and Validation

• Expertise in

  unit testing

  ,

  job-level validation

  .
• Skill in comparing

  job outputs and logs

  across 7.x and 8.x.
• Debugging and resolving issues caused by API, database driver, or job engine changes.

6. Database and API Knowledge

• SQL scripting for data validation and comparison.
• Understanding of any

  REST/SOAP API

  calls used in jobs.
• Familiarity with

  data quality

  ,

  data cleansing

  , and

  transformation logic

  .

Roles and Responsibilities of Talend Developers

Pre-Upgrade Assessment

• Review existing jobs for usage of deprecated or risky components.
• Tag jobs that need refactoring or heavy testing.
• Export and back up project sources from Talend Studio 7.x.

Project Upgrade Execution

• Open and migrate projects using Talend Studio 8.x.
• Resolve upgrade errors and component mapping warnings.
• Replace or reconfigure any unsupported or changed features.

Post-Upgrade Job Testing

• Performancetesting to ensure job outputs remain accurate.
• Compare run times and log outputs for performance or logic issues.
• Validate dependencies (e.g., database connectors, external services).

Documentation and Collaboration

• Document all changes made to migrated jobs.
• Work with admins to troubleshoot TAC scheduling or job execution issues.
• Communicate with QA and data teams for test case validation.

• Implement reusable jobs and promote modular design using best practices.
• Recommend improvements in job design and monitoring post-upgrade.