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Application Developer Intern (Summer 2025)

AT Illumio
Illumio

Application Developer Intern (Summer 2025)

Sunnyvale, CA

No Agency Submissions Accepted.

Location: Hybrid, Sunnyvale, California (3 days in office)

This is a 12 week internship program beginning on May 27th 2025 or June 23rd 2025. This internship is based in Sunnyvale, California, and will require a hybrid work schedule. Please note that we are unable to provide relocation assistance at this time.

Onwards Together!

Illumio, the pioneer and market leader of Zero Trust segmentation, prevents breaches from becoming cyber disasters. Illumio protects critical applications and valuable digital assets with proven segmentation technology purpose-built for the Zero Trust security model. Illumio ransomware mitigation and segmentation solutions see risk, isolate attacks, and secure data across cloud-native apps, hybrid and multi-clouds, data centers, and endpoints, enabling the world’s leading organizations to strengthen their cyber resiliency and reduce risk.  

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Illuminate the future with Illumio and join a team that’s passionate about developing cutting-edge security solutions that protect the world's most critical assets. 

About the Team:

Our Support and Services team plays a crucial role in Illumio's success, from seamless deployments to fostering trusted partnerships with our clients. Joining our team means tackling meaningful challenges, protecting over one million workloads globally, and containing cyberattacks and ransomware before they escalate into disasters.  

What sets us apart from other security firms is our focused approach. Unlike those managing dozens or hundreds of products, we provide personalized support and expertise through a precise, proven product portfolio. Our approach cultivates a customer base known for its incredible loyalty and desire for genuine partnership. We're committed to ensuring our clients' most sensitive infrastructures are set up for success every step of the way. 

 As an application developer intern, you will contribute to the development and maintenance of critical applications that support our customers and internal teams. You will have the opportunity to work closely with experienced developers and gain valuable hands-on experience in a fast-paced, dynamic environment. 

Key Responsibilities:  

  • Collaborate with senior developers to design, develop, and test new application features to enhance operational efficiency. 

  • Assist in the maintenance and optimization of existing internal tools and applications. 

  • Troubleshoot and resolve application issues. 

  • Document technical processes and create user guides for developed applications. 

  • Write clean, efficient, and well-documented code. 

  • Contribute to the development of best practices and coding standards. 

  • Learn and apply new technologies and tools as needed. 

Experience:

  • Currently enrolled in a full-time bachelors Computer Science, Software Engineering, or a related field degree-seeking program with an expected graduation date in Winter 2025/Spring 2026. 

  • Strong understanding of programming languages such as Ruby, Python, or JavaScript. 

  • Familiarity with web development frameworks and tools (e.g., Ruby on Rails, Django, Node.js). 

  • Knowledge of database systems (e.g., MySQL, PostgreSQL). 

  • Excellent problem-solving, analytical skills, and attention to detail. 

  • Ability to work independently and as part of a team. 

  • Strong communication and interpersonal skills. 

  • A passion for learning and continuous improvement. 

Compensation:

$ 30 USD

The pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include responsibilities of the job, education, location, experience, knowledge, skills, abilities, and internal equity, alignment with market data, or applicable laws. 

At Illumio we offer a wide range of benefits to our eligible team members. Our benefit programs vary by location and can include Medical, Dental, Vision Coverage – Health and Dependent Savings Accounts – Life and Disability Programs – Paid Parental Leave – Voluntary Benefit Programs – Company Sponsored Wellness Program – Wellness Reimbursement Program - Retirement Savings – Equity Opportunities – Paid time off and Paid Holidays – Employee Incentive Program. #LI-GS1 #LI-HYBRID

Our Commitment: 

Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions drives our success and makes us stronger together. We are dedicated to creating and maintaining a diverse culture and emphasizing inclusion and belonging.

Client-provided location(s): Sunnyvale, CA, USA
Job ID: 7781602002
Employment Type: Intern

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Health Reimbursement Account
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • HSA
    • Fitness Subsidies
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Work-From-Home Stipend
  • Office Life and Perks

    • Commuter Benefits Program
    • Casual Dress
    • Pet-friendly Office
    • Happy Hours
    • Snacks
    • Some Meals Provided
    • On-Site Cafeteria
  • Vacation and Time Off

    • Leave of Absence
    • Paid Holidays
    • Paid Vacation
    • Personal/Sick Days
  • Financial and Retirement

    • Company Equity
    • 401(K)
  • Professional Development

    • Promote From Within
    • Work Visa Sponsorship
    • Leadership Training Program
    • Lunch and Learns
    • Internship Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Founder led

Company Videos

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