Talend Developer

Job Description

Talend Developer (6 Years experience)Upgrading Talend from 7.x to 8.0.1 involves not just infrastructure changes, but also project-level upgrades that require Talend Developers to adapt, refactor, and validate their ETL jobs. Below is a detailed overview of the skills, roles, and responsibilities of Talend Developers during this upgrade process: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.
1. 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.
1. 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.
1. 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 DevelopersPre-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.

Keyskills :
tacetldatasoapstudioresttalendsqlintegrationmigrationoverview