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Optum Internships Jobs in California (NOW HIRING)

Risa Labs

AI Engineer

Palo Alto, CA

Funding RISA Labs is a Series A startup backed by Optum Ventures, Cencora Ventures, Oncology ... Experience with projects/internships involving backend systems, scalable applications, or research ...

Risa Labs

AI Engineer

Palo Alto, CA · On-site

Funding RISA Labs is a Series A startup backed by Optum Ventures, Cencora Ventures, Oncology ... Experience with projects/internships involving backend systems, scalable applications, or research ...

UMR

Staff Pharmacist Per Diem

Gardena, CA · On-site

$44 - $79/hr

Staff Pharmacist Explore opportunities with CPS, part of the Optum family of businesses. We're ... Supervises and supports pharmacy technicians and interns, ensuring efficient and compliant workflow

UMR

Staff Pharmacist | , California

Gardena, CA · On-site

$44 - $79/hr

Staff Pharmacist Explore opportunities with CPS, part of the Optum family of businesses. We're ... Supervises and supports pharmacy technicians and interns, ensuring efficient and compliant workflow

divvyDOSE

Staff Pharmacist | , California

Gardena, CA · On-site

$44 - $79/hr

Staff Pharmacist Explore opportunities with CPS, part of the Optum family of businesses. We're ... Supervises and supports pharmacy technicians and interns, ensuring efficient and compliant workflow

UnitedHealth Group

Staff Pharmacist Per Diem

Gardena, CA · On-site

$44 - $79/hr

Explore opportunities with CPS, part of the Optum family of businesses. We're dedicated to crafting ... Supervises and supports pharmacy technicians and interns, ensuring efficient and compliant workflow

UnitedHealth Group

Staff Pharmacist Per Diem

Gardena, CA · On-site

$44 - $79/hr

Explore opportunities with CPS, part of the Optum family of businesses. We're dedicated to crafting ... Supervises and supports pharmacy technicians and interns, ensuring efficient and compliant workflow

UnitedHealth Group

Staff Pharmacist

Gardena, CA · On-site

$44 - $79/hr

Explore opportunities with CPS, part of the Optum family of businesses. We're dedicated to crafting ... Supervises and supports pharmacy technicians and interns, ensuring efficient and compliant workflow

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Optum Internships information

What is an Optum internship?

An Optum Internship is a temporary role designed for students and recent graduates to gain hands-on experience in healthcare technology, data analytics, and business operations. Interns work on real-world projects, collaborate with industry professionals, and develop skills relevant to their field of study. These internships provide valuable exposure to Optum’s innovative work in healthcare solutions while offering mentorship and networking opportunities.

What can I expect from the work environment and mentorship during an Optum internship?

As an Optum Intern, you'll join a collaborative, inclusive work environment where interns are supported by experienced professionals and often paired with mentors. Interns typically participate in team meetings, project work, and networking opportunities designed to provide hands-on learning and real-world problem-solving experience. The culture emphasizes growth and development, encouraging interns to ask questions, take initiative, and contribute their ideas. Through regular feedback and structured guidance, Optum fosters a supportive setting to help you develop essential skills and prepare for future roles.

What are the key skills and qualifications needed to thrive in an Optum internship?

To thrive in an Optum Internship, candidates typically need a solid academic foundation in healthcare, business, analytics, or related fields, often supported by current enrollment in a bachelor's or master's program. Familiarity with Microsoft Office Suite, data analysis tools, and sometimes healthcare software systems is beneficial. Strong communication, teamwork, adaptability, and a proactive attitude help interns excel in this dynamic environment. These skills are vital for effectively contributing to projects, learning from mentors, and maximizing the internship experience within Optum's collaborative and fast-paced setting.

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Infographic showing various Optum Internships job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

AI Engineer

Risa Labs

Palo Alto, CA

Full-time

Re-posted yesterday

Job description

About RISA Labs

At RISA, we are building the future of mission critical workflows by leveraging the latest in AI. Our purpose is to solve humanity's hardest hurdles, starting with the incredibly high stakes challenges within oncology. We are not just selling software, we are delivering resilient, autonomous infrastructure that powers foundational institutions and ultimately helps accelerate human progress.

Founders

RISA was founded by Kshitij Jaggi and Kumar Shivang, IIT Kanpur alumni with a proven track record from their previous healthcare startup, Urban Health. Their vision is to streamline oncology care through cutting edge technology.

Funding

RISA Labs is a Series A startup backed by Optum Ventures, Cencora Ventures, Oncology Ventures, General Catalyst, Binny Bansal, z21 Ventures, John Simons and select angels.

The Opportunity

You'll be part of the core engineering team building scalable, high-impact systems that power our healthcare AI solutions. We're looking for bright, curious minds in engineering with strong foundations in Python, data structures, algorithms, and system design. This role is ideal for fresh graduates who are eager to solve challenging problems, work on distributed systems and backend technologies, and learn hands-on in a fast-moving startup environment. If you enjoy turning ideas into real, impactful products and thrive in a culture of collaboration and innovation, this is the place to start your journey.

What You'll do

  • Design, Develop, and Deploy scalable software systems with strong emphasis on Python-based applications and backend engineering
  • Collaborate cross-functionally with product managers, researchers, and engineers to translate complex problems into elegant, efficient solutions
  • Contribute to System Design discussions and assist in building reliable,
    high-performance architectures
  • Write clean, testable, and maintainable code following best practices in coding standards, version control, and CI/CD
  • Debug, optimize, and improve system performance, ensuring solutions meet both technical and business requirements
  • Learn and grow continuously through mentorship, technical reviews, and exposure to cutting-edge problems in healthcare and AI systems

What You'll Bring

  • 2 to 5 years of work experience
  • Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field
  • Strong foundation in Machine Learning, Deep Learning, and NLP, with hands-on experience in developing or deploying LLM-based systems
  • Practical exposure to model fine-tuning, prompt engineering, and optimization for performance and scalability
  • Proficiency in Python and common ML frameworks (e.g., PyTorch, TensorFlow)
  • Knowledge of system design fundamentals (distributed systems, APIs, databases, cloud concepts)
  • Strong problem-solving and analytical skills with ability to break down complex problems into structured solutions
  • Experience with projects/internships involving backend systems, scalable applications, or research-oriented software development is a plus
  • Eagerness to learn, collaborate, and innovate in a fast-paced startup environment

Apply