Senior Ab initio Developer

Role description

Senior Ab initio Developer

Lead I - Software Engineering

Who We Are:

Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.

UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us, you'll create a boundless impact that transforms your career-and the lives of people across the world.

Visit us at

You Are:

UST is seeking a Senior Ab initio Developer with deep expertise in the Ab Initio suite to oversee and drive a critical Ab Initio upgrade project for one of the leading healthcare providers in the U.S.

The opportunity:

• Platform Upgrade Support

• Contribute to the technical execution of the Ab Initio platform upgrade (GDE, Co>

Op, EME, Control Center, MDH, etc.).

• Perform impact analysis on existing graphs, plans, and infrastructure components.

• Assist in identifying deprecated or incompatible components and refactor code accordingly.

• Support upgrade sequencing, validation, and rollback planning under architectural guidance.

• Development & Enhancement

• Perform hands-on development, enhancement, and refactoring of Ab Initio graphs and components.

• Optimize existing ETL workflows for performance, scalability, and maintainability.

• Troubleshoot and resolve upgrade-related defects and integration issues.

• Develop automation scripts (UNIX/Linux shell scripting) to support deployment and environment setup.

• Testing & Validation

• Execute and support regression, integration, and performance testing during and post-upgrade.

• Validate metadata integrity and lineage consistency, particularly during EME migrations.

• Assist in production validation and post-deployment stabilization activities.

• Technical Collaboration

• Work closely with data architects, infrastructure teams, QA, and business stakeholders to ensure successful delivery.

• Participate in design discussions and provide technical input for high- and low-level design documents.

• Support CI/CD and release management processes for data pipelines.

• Documentation & Knowledge Sharing

• Maintain detailed technical documentation for upgrade steps, configurations, and development standards.

• Provide guidance to junior developers and contribute to knowledge-sharing sessions.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What you need:

• Technical Skills

• Core Ab Initio Experience (Must-Have)

• 8+ years of hands-on experience with Ab Initio, including:

• Graphical Development Environment (GDE)

• Co>

Operating System

• Enterprise Meta>

Environment (EME)

• Control Center

• Ab Initio Metadata Hub (MDH)

• Continuous Flows / Web Services

• Query>

It

• Business Rules Environment (BRE)

• Upgrade & Migration Experience

• Hands-on experience supporting Ab Initio version upgrades.

• Experience with environment compatibility assessments and phased deployment support.

• Refactoring graphs due to deprecated components or version conflicts.

• Supporting EME migrations and validating metadata integrity.

• Resolving GDE and Co>

Op version compatibility issues.

• Data Integration & Warehousing

• Strong experience with DB2 and Postgre

SQL.

• Solid understanding of ETL design patterns, data quality validation, and performance tuning.

• Experience developing and maintaining high-volume, enterprise-grade data pipelines.

• Scripting & Scheduling

• Strong UNIX/Linux shell scripting skills.

• Experience with Control-M or other enterprise schedulers.

• SDLC & Dev Ops

• Strong understanding of SDLC processes in a data engineering environment.

• Familiarity with CI/CD pipelines and deployment automation.

• Experience with version control systems and release management practices.

• Ability to contribute to detailed technical…