Junior Data Engineer

Job Type: Contract to hire (starting with 3 month term) Location: Hybrid in St.

Louis, MO (4 days onsite, 1 remote) Company: The name of our partner organization will be disclosed during the interview process.

This is not a direct role with LaunchCode; it is a position through LaunchCode, working with one of our partner companies.Disclaimer: We are unable to provide work sponsorship for this role.

We are unable to consider candidates for this role who have a current or future work sponsorship need (this includes those holding extended OPT Visas).

The Junior Data Engineer serves as the critical link between IT infrastructure and day-to-day Client Team data needs.

This role is equally responsible for proactive data stewardship -- building, maintaining, and improving data systems -- and responsive technical support when issues arise.

The position sits within IT but is primarily oriented toward serving the Client Team, supporting vendor-managed data environments, internal SQL databases, and the tooling ecosystem that Client Team depends on.

Essential Responsibilities Data Integrity, Maintenance, and Bulk Operations Maintain the ongoing accuracy and completeness of vendor-specific databases, including regular updates and integrity reviews.

Support data ingestion efforts and ensure ongoing data quality within SQL environments.

Execute bulk data changes in underlying systems on an agreed-upon cadence coordinated with client team leadership, owning the scheduling, communication, and execution of that cadence.

Establish and maintain a QA or staging process prior to any bulk changes going live, including documentation of testing steps and sign-off requirements.

Perform performance tuning and query optimization across shared database resources.

Identify and resolve upstream data issues in coordination with relevant stakeholders, including portfolio data discrepancies and settlement timing inconsistencies.

Vendor and External System Coordination Serve as the primary point of contact for corrections and escalations related to vendor-owned source data.

Conduct periodic integrity reviews of vendor data and proactively build automated or semi-automated checks to catch issues before they impact operations.

Maintain working knowledge of vendor data structures and flag anomalies to internal teams and vendor contacts in a timely manner.

Systems Administration and IT Execution Manage SQL permissions, database creation, installation, and authentication across relevant environments.

Own the technical execution of API layer setup and maintenance, including onboarding new data sources and managing data migrations.

Coordinate with IT for installation and configuration of approved tools and software.

Serve as the escalation point for access and permission issues requiring admin-level resolution.

Project Review, Validation, and Best Practices Review internally developed tools, scripts, and workflows for technical soundness, security, and data integrity prior to deploymen...