Find & Apply For Software Developer / Engineer Jobs in Westminster, California

Job Summary We are seeking a senior, highly technical Palantir Foundry Software & Data Engineer to provide ongoing operational support, architecture governance, and application development for our mission-critical Grid Resiliency portfolio. In this role, you will build, optimize, and maintain applications and data pipelines within Palantir Foundry. You will manage modular code development, govern data ontologies, monitor resource consumption, and ensure end-to-end business functionality for complex, regulated operational workflows under tight support timelines.

Key Responsibilities Software & Pipeline Development:

Write high-quality, modular code within Foundry's Code Repositories and Function repositories. Build and maintain robust data pipelines, ETL processes, and reusable transformation logic using Python and TypeScript.

Ontology & Architecture Governance:

Oversee ontology design, access control, and change processes. Provide architectural guidance for pipeline and DAG execution while aligning with enterprise standards and regulatory guidelines.

Application Maintenance & Operations:

Deliver agile application maintenance services-including major enhancements, routine break/fix support, patch releases, and root cause analysis for live production issues.

Resource & Cost Optimization:

Leverage Foundry's Resource Management applications to analyze compute consumption, execution costs, and storage utilization, providing actionable optimization strategies.

Cross-Functional Collaboration:

Partner with infrastructure service providers, third-party vendors, and internal stakeholders to maintain seamless application access, data flow integrity, and compliance across enterprise support models.

Key Requirements Education & Experience:

Bachelor's degree in a technical or scientific discipline (or equivalent experience) accompanied by 7 to 10 years of professional software engineering and data platform experience.

Technical Expertise:

Strong full-stack fundamentals with deep experience in data engineering and application design. Proficiency in Python (including PySpark or Polars) and TypeScript. Solid understanding of data pipeline architecture, data lineage, and impact analysis.

Palantir Ecosystem Proficiency:

Hands-on experience with Palantir Foundry components (Code Repositories, Pipeline Builder, Data Connection, Workshop, and Quiver).

Operational Resilience:

Comfortable making high-stakes decisions under time pressure, navigating ambiguous live production environments, and participating in on-call rotations for off-hours support. Nice-to-Haves Advanced experience with Ontology design and object-based data modeling. Proven background in utility, energy, or similarly regulated industrial environments. Experience translating complex business logic into scalable data pipeline implementations. Equal Opportunity Employer / Disabled / Protected Veterans The Know Your Rights poster is available here: _EEOC_KnowYourRights6.12.pdf The pay transparency policy is available here: _%20English_formattedESQA508c.pdf For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required. We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team. AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program. _Participation_Poster_ES.pdf We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additional Skills (none specified)

AllSTEM Representative Contact Info Account Executive:

Nichols Branch Phone:

Location:

Ontario, CA