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Req # 101147

Software Development Intern (Full-Stack)

San Francisco, CA US

Employee: Intern
Travel: None
About Castlight

At Castlight, our mission is to empower people to make the best choices for their health and to help companies make the most of their health benefits. We offer a health benefits platform that engages employees to make better healthcare decisions and can guide them to the right program, care, and provider. The platform also enables benefit leaders to communicate and measure their programs while driving employee engagement with targeted, relevant communications. 

To date, Castlight has partnered with more than 240 large enterprise customers, spanning millions of lives, to improve healthcare outcomes, lower costs, and increase benefits satisfaction.

Castlight Health is seeking a Software Engineering Intern to join our Web Applications team based in San Francisco, CA.

Castlight wants to help users navigate the world of healthcare and sickcare. That is to say, we want to motivate healthy habits - and reward people - in $$ for living healthfully. And we want to help users when they are sick - finding the right medical provider, service or company program that is best for them. For example, I am now earning reward points (that convert to cash) for tracking my daily workout, my sleep, and what I eat. And, on the other side of the equation, if you need an wrist X-ray for that carpal tunnel from either too much coding, or more likely too much texting – and then choose the best doctor for you. Whether that choice is based on quality, price, distance or all three – Castlight has you covered. Quick tip – go to an imaging center, not a hospital – our research shows you will save money and they all use the same equipment. Sure, Castlight provides much more like personalized recommendations, understandable summaries of your company’s benefit programs, a history of all your claims, and current HSA/HRA balances – and how much to go before your care is free for the rest of the year.

Our summer interns are an integral part of our team. You will work on real projects on our production system as part of our standard scrum teams. Thus, the specific work will vary by scrum team, but all interns will have the opportunity to write and test software in a web application framework, while partnering with a group of experienced software engineers who help and challenge them as they work on projects that matter to our customers. Collaborating with other developers and designers, the Web Applications team delivers innovative, engaging products that empower users to make the best choices for their health.

  • Pursuing a Bachelor's in Computer Science or a related field
  • Proficiency in Java and Angular
  • Experience with Ruby on Rails
  • Experience with CSS/HTML and/or MySQL (yup, we are full stack people here)
  • Computer Science fundamentals in any of the following: object-oriented design, data structure, algorithm design, problem solving, and complexity analysis
  • Demonstrated ability to work well as a member of a software team
  • Passion for learning

We are Castlight and we are…


* Changing healthcare is a team sport

* Teamwork requires respect

* Direct feedback is a gift that improves us

* Diversity makes us stronger

* We take care of ourselves and each other=


* We put our mission first

* We are here to transform healthcare

* We tackle complex problems with curiosity, passion, and ambition

* We bring our best every day

* We learn and grow together


* Done well is better than perfect

* We move fast to accelerate execution and learning

* We are empowered to take action

* We own the outcome

* We win together

EEOC Statement
Castlight Health provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, Castlight Health will provide reasonable accommodations for qualified individuals with disabilities.
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