Contract Jobs in Irvine, California, United States

The AI Technology Transformation team seeks a Senior Manual QA Engineer to ensure the quality and reliability of innovative AI solutions. You will develop and execute manual tests, identify defects, and collaborate with cross-functional teams to support successful deployments.

The Comforted Kitty is hiring a part-time, independent contractor cat sitter in the Orange County, CA area, based in Irvine, CA. You will provide in-home cat sitting visits while clients are away, following each client's detailed care instructions. Day-to-day duties include feeding cats and refreshing water, cleaning litter boxes, giving playtime and companionship, sending visit updates and photos through the app, bringing in mail or packages, adjusting lights, blinds, or trash/recycling, and ad

USM Business Systems (USM2) delivers enterprise‑grade software solutions for government and commercial clients. The .Net Developer designs, develops and maintains ASP.NET/C# applications, integrating front‑end JavaScript frameworks and back‑end services.

Construction Management team overseeing a large multifamily residential project. The Assistant Superintendent coordinates back‑end and finish trades, monitors schedules, drives punch‑list completion, and supports final turnover.

Join the TGS project team to enhance a platform supporting billions of inventory items and thousands of vendors. This role involves full-stack development using Java, Python, or Kotlin with React, leveraging AWS services like Lambda and DynamoDB.

As a Senior UI Artist, you will help define and elevate the visual language of MARVEL SNAP across the game's interface and player experience. You’ll own UI art from early exploration through final implementation, translating gameplay and UX requirements into polished, intuitive, and expressive visual experiences.

Seasonal Ambassadors at Lush are experts in product and brand knowledge, as well as providing exceptional customer consultations and product demonstrations. Seasonal Ambassadors cultivate strong team relationships and contribute to overall shop excellence in both sales and operations.

Showami is a national service connecting licensed real estate agents with buyer showing opportunities. As a Real Estate Showing Agent you conduct home showings, coordinate schedules via MLS, and host open houses, earning $28‑$100 per hour based on activity.

This temporary Contract Recruiter role provides onsite recruiting support in Irvine, CA during a leave of absence coverage period. The recruiter will manage full-cycle recruiting and coordination for approximately 15–20 open requisitions, partnering with hiring managers and the HR team to deliver an exceptional candidate experience.

The Assembler will perform duties associated with electro-mechanical and clean room device assembly and packaging. The critical attributes and skills required for this position include manual hand assembly skills, attention to detail, initiative, working well within a team, and ability to produce consistently high-quality results.

Operations team at Viant Technology supports the execution, monitoring, and optimization of digital advertising campaigns on Viant's AI-powered omnichannel platform. The Coordinator handles campaign setup, trafficking, QA, launch, pacing, performance monitoring, issue troubleshooting, and reporting while collaborating with Sales, Account Management, Programmatic Strategy, and Technical Operations.

Community and Library Services at the City of Irvine creates engaging contract classes for the public. The instructor designs curriculum, teaches 1‑3 day weekly sessions or summer camps, and tailors content to diverse age groups.

Gentle Dental seeks a Traveling Periodontist to provide specialty care across its Southern California network. The role involves diagnosing and treating periodontal disease, performing surgical and non-surgical procedures, and collaborating with general dentists at multiple locations.

Doorstead is seeking a Field Associate in the Irvine area to conduct rental property showings and occasional property evaluations. The role involves traveling to properties, ensuring accessibility, documenting conditions and deficiencies using Doorstead's mobile tooling, taking detailed photos, and reporting prospect and property feedback.

DOCS Health seeks a Physician Assistant to serve as an independent contractor providing health readiness services to U.S. military reserve units. The PA will conduct physical health assessments, review medical records, interview service members, identify urgent concerns, and document findings for readiness classification.

Temp Associate Technician, THV Sewing is an entry-level manufacturing role within the THV Production and Technical Training team in Irvine, CA, working in a corporate office and controlled cleanroom environment. The position focuses on detailed sewing and tissue preparation processes for assembling transcatheter heart valve devices, using tools such as needles, scissors, forceps, specialized tooling, and microscopes in rotational assembly steps.

The Senior Talent Acquisition Partner serves as a strategic advisor and trusted talent consultant to hiring leaders across Trace3’s Go-to-Market (GTM) organization. This role is responsible for developing and executing talent acquisition strategies that enable the company to attract, engage, and hire top-performing sales and revenue professionals.

Ever is building a modern automotive retail experience focused on making car ownership simpler, more transparent, and more enjoyable. The Facility Launch & EHS Manager will lead the launch of Ever's Sales centers and build Environmental Health & Safety programs that keep Sales and Recon facilities safe and compliant.

Forma is a lean, entrepreneurial CDMO in Irvine, California, focused on drug product development and manufacturing for pharmaceutical and biotechnology clients. As a Scientist, Analytical Development, you will support analytical method development and validation for drug product work, collaborating across functions to solve technical and operational challenges.

Farmers Insurance Agency Development team seeks a Protege Insurance Sales Representative to generate new business and build client relationships. The role involves developing insurance quotes, delivering sales presentations, and closing deals while receiving mentorship from a seasoned agent.