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Apptoza Inc.

Ab Initio ETL Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Dec 6, 2026
Experience: Ab Initio Developer having 10+ years of hands-on experience
Posting language: English
Posted: Nov 6, 2026

Original job description

Role: Ab Initio ETL Developer

Location: Downtown, Toronto – Hybrid

Contract Role

Job Description:

The Ab Initio Developer will act as the Subject Matter Expert (SME) for the existing Ab Initio ETL ecosystem and play a critical role in the migration of ETL processing logic to SAP HANA Stored Procedures. The individual will be responsible for analyzing and understanding the current Ab Initio implementation| documenting business and transformation rules| guiding HANA developers during the conversion process| and validating that the HANA solution produces results equivalent to the existing Ab Initio implementation.

Required Skills:

Sr. Ab Initio Developer having 10+ years of hands-on experience

Analyze and understand existing Ab Initio graphs, workflows, transforms, plans, and ETL processes.

Execute existing Ab Initio workflows to generate baseline outputs for comparison.

Review and document business rules, transformation logic, data mappings, and processing flows implemented within Ab Initio.

Understand end-to-end data lineage, including upstream and downstream dependencies.

Provide technical guidance and clarifications related to Ab Initio design, architecture, and implementation.

Collaborate with HANA developers to translate Ab Initio ETL logic into SAP HANA Stored Procedures and database objects.

Support troubleshooting of job execution issues, data issues, and migration-related defects.

Assist in interpreting complex transformation logic and business rules embedded in Ab Initio code.

Identify potential conversion challenges, performance considerations, and functional dependencies.

Analyze Unix shell scripts, wrapper scripts, parameter files, and workflow orchestration components associated with Ab Initio processing.

Top 3 Nice to Have Skills:

Review HANA implementation to ensure alignment with the original Ab Initio processing logic.

Review scheduling dependencies and execution sequences to ensure complete migration coverage.

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More about this job

Responsibilities

Analyze and document the existing Ab Initio ETL ecosystem, including its workflows, transformation logic, business rules, and data dependencies. Guide HANA developers in migrating that logic to SAP HANA Stored Procedures and validate that the new implementation produces equivalent results.

Requirements

Requires 10+ years of hands-on experience as a senior Ab Initio developer, including the ability to analyze and execute existing ETL workflows and document their logic and lineage. Candidates should also be able to advise HANA developers, troubleshoot migration issues, and assess scripts, dependencies, and conversion challenges.

Skills

Ab Initio
ETL Development
SAP HANA
Stored Procedures
Data Transformation
Data Mapping
Data Lineage
Workflow Orchestration
Unix Shell Scripting
ETL Migration
Baseline Testing
Troubleshooting
Performance Analysis
Business Rules Documentation

Visa sponsorship

Not detected in the job text

Keywords

Ab Initio
ETL
SAP HANA
Stored Procedures
Graphs
Workflows
Transforms
Plans
Business Rules
Transformation Logic
Data Mappings
Data Lineage
Upstream Dependencies
Downstream Dependencies
Unix Shell Scripts
Wrapper Scripts
Parameter Files
Workflow Orchestration
ETL Migration
Baseline Outputs
Data Validation
Troubleshooting
Performance Considerations
Scheduling Dependencies
Execution Sequences

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